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Merge pull request #317 from fluxw42/master

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Added some more JUnit tests
This commit is contained in:
Ilkka Seppälä
2015-12-15 18:48:31 +02:00
parent 1b74e0ff67 25cacdbbc9
commit 33fe90d177
45 changed files with 1964 additions and 2 deletions
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5
event-aggregator/pom.xml
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@@ -13,5 +13,10 @@
<artifactId>junit</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.mockito</groupId>
<artifactId>mockito-core</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
</project>

133
event-aggregator/src/test/java/com/iluwatar/event/aggregator/EventEmitterTest.java Normal file
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@@ -0,0 +1,133 @@
package com.iluwatar.event.aggregator;
import org.junit.Test;
import java.util.Objects;
import java.util.function.Function;
import java.util.function.Supplier;
import static org.mockito.Matchers.eq;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.verifyNoMoreInteractions;
import static org.mockito.Mockito.verifyZeroInteractions;
/**
* Date: 12/12/15 - 10:58 PM
*
* @author Jeroen Meulemeester
*/
public abstract class EventEmitterTest<E extends EventEmitter> {
/**
* Factory used to create a new instance of the test object with a default observer
*/
private final Function<EventObserver, E> factoryWithDefaultObserver;
/**
* Factory used to create a new instance of the test object without passing a default observer
*/
private final Supplier<E> factoryWithoutDefaultObserver;
/**
* The day of the week an event is expected
*/
private final Weekday specialDay;
/**
* The expected event, emitted on the special day
*/
private final Event event;
/**
* Create a new event emitter test, using the given test object factories, special day and event
*/
EventEmitterTest(final Weekday specialDay, final Event event,
final Function<EventObserver, E> factoryWithDefaultObserver,
final Supplier<E> factoryWithoutDefaultObserver) {
this.specialDay = specialDay;
this.event = event;
this.factoryWithDefaultObserver = Objects.requireNonNull(factoryWithDefaultObserver);
this.factoryWithoutDefaultObserver = Objects.requireNonNull(factoryWithoutDefaultObserver);
}
/**
* Go over every day of the month, and check if the event is emitted on the given day. This test
* is executed twice, once without a default emitter and once with
*/
@Test
public void testAllDays() {
testAllDaysWithoutDefaultObserver(specialDay, event);
testAllDaysWithDefaultObserver(specialDay, event);
}
/**
* Go over every day of the month, and check if the event is emitted on the given day. Use an
* event emitter without a default observer
*
* @param specialDay The special day on which an event is emitted
* @param event The expected event emitted by the test object
*/
private void testAllDaysWithoutDefaultObserver(final Weekday specialDay, final Event event) {
final EventObserver observer1 = mock(EventObserver.class);
final EventObserver observer2 = mock(EventObserver.class);
final E emitter = this.factoryWithoutDefaultObserver.get();
emitter.registerObserver(observer1);
emitter.registerObserver(observer2);
testAllDays(specialDay, event, emitter, observer1, observer2);
}
/**
* Go over every day of the month, and check if the event is emitted on the given day.
*
* @param specialDay The special day on which an event is emitted
* @param event The expected event emitted by the test object
*/
private void testAllDaysWithDefaultObserver(final Weekday specialDay, final Event event) {
final EventObserver defaultObserver = mock(EventObserver.class);
final EventObserver observer1 = mock(EventObserver.class);
final EventObserver observer2 = mock(EventObserver.class);
final E emitter = this.factoryWithDefaultObserver.apply(defaultObserver);
emitter.registerObserver(observer1);
emitter.registerObserver(observer2);
testAllDays(specialDay, event, emitter, defaultObserver, observer1, observer2);
}
/**
* Pass each week of the day, day by day to the event emitter and verify of the given observers
* received the correct event on the special day.
*
* @param specialDay The special day on which an event is emitted
* @param event The expected event emitted by the test object
* @param emitter The event emitter
* @param observers The registered observer mocks
*/
private void testAllDays(final Weekday specialDay, final Event event, final E emitter,
final EventObserver... observers) {
for (final Weekday weekday : Weekday.values()) {
// Pass each week of the day, day by day to the event emitter
emitter.timePasses(weekday);
if (weekday == specialDay) {
// On a special day, every observer should have received the event
for (final EventObserver observer : observers) {
verify(observer, times(1)).onEvent(eq(event));
}
} else {
// On any other normal day, the observers should have received nothing at all
verifyZeroInteractions(observers);
}
}
// The observers should not have received any additional events after the week
verifyNoMoreInteractions(observers);
}
}

27
event-aggregator/src/test/java/com/iluwatar/event/aggregator/EventTest.java Normal file
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@@ -0,0 +1,27 @@
package com.iluwatar.event.aggregator;
import org.junit.Test;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
/**
* Date: 12/12/15 - 2:52 PM
*
* @author Jeroen Meulemeester
*/
public class EventTest {
/**
* Verify if every event has a non-null, non-empty description
*/
@Test
public void testToString() {
for (final Event event : Event.values()) {
final String toString = event.toString();
assertNotNull(toString);
assertFalse(toString.trim().isEmpty());
}
}
}

67
event-aggregator/src/test/java/com/iluwatar/event/aggregator/KingJoffreyTest.java Normal file
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@@ -0,0 +1,67 @@
package com.iluwatar.event.aggregator;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import java.io.PrintStream;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.verifyNoMoreInteractions;
import static org.mockito.Mockito.verifyZeroInteractions;
/**
* Date: 12/12/15 - 3:04 PM
*
* @author Jeroen Meulemeester
*/
public class KingJoffreyTest {
/**
* The mocked standard out {@link PrintStream}, required since {@link KingJoffrey} does nothing
* except for writing to std-out using {@link System#out}
*/
private final PrintStream stdOutMock = mock(PrintStream.class);
/**
* Keep the original std-out so it can be restored after the test
*/
private final PrintStream stdOutOrig = System.out;
/**
* Inject the mocked std-out {@link PrintStream} into the {@link System} class before each test
*/
@Before
public void setUp() {
System.setOut(this.stdOutMock);
}
/**
* Removed the mocked std-out {@link PrintStream} again from the {@link System} class
*/
@After
public void tearDown() {
System.setOut(this.stdOutOrig);
}
/**
* Test if {@link KingJoffrey} tells us what event he received
*/
@Test
public void testOnEvent() {
final KingJoffrey kingJoffrey = new KingJoffrey();
for (final Event event : Event.values()) {
verifyZeroInteractions(this.stdOutMock);
kingJoffrey.onEvent(event);
final String expectedMessage = "Received event from the King's Hand: " + event.toString();
verify(this.stdOutMock, times(1)).println(expectedMessage);
verifyNoMoreInteractions(this.stdOutMock);
}
}
}

48
event-aggregator/src/test/java/com/iluwatar/event/aggregator/KingsHandTest.java Normal file
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@@ -0,0 +1,48 @@
package com.iluwatar.event.aggregator;
import org.junit.Test;
import static org.mockito.Matchers.eq;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.verifyNoMoreInteractions;
import static org.mockito.Mockito.verifyZeroInteractions;
/**
* Date: 12/12/15 - 10:57 AM
*
* @author Jeroen Meulemeester
*/
public class KingsHandTest extends EventEmitterTest<KingsHand> {
/**
* Create a new test instance, using the correct object factory
*/
public KingsHandTest() {
super(null, null, KingsHand::new, KingsHand::new);
}
/**
* The {@link KingsHand} is both an {@EventEmitter} as an {@link EventObserver} so verify if every
* event received is passed up to it's superior, in most cases {@link KingJoffrey} but now just a
* mocked observer.
*/
@Test
public void testPassThrough() throws Exception {
final EventObserver observer = mock(EventObserver.class);
final KingsHand kingsHand = new KingsHand(observer);
// The kings hand should not pass any events before he received one
verifyZeroInteractions(observer);
// Verify if each event is passed on to the observer, nothing less, nothing more.
for (final Event event : Event.values()) {
kingsHand.onEvent(event);
verify(observer, times(1)).onEvent(eq(event));
verifyNoMoreInteractions(observer);
}
}
}

17
event-aggregator/src/test/java/com/iluwatar/event/aggregator/LordBaelishTest.java Normal file
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@@ -0,0 +1,17 @@
package com.iluwatar.event.aggregator;
/**
* Date: 12/12/15 - 10:57 AM
*
* @author Jeroen Meulemeester
*/
public class LordBaelishTest extends EventEmitterTest<LordBaelish> {
/**
* Create a new test instance, using the correct object factory
*/
public LordBaelishTest() {
super(Weekday.FRIDAY, Event.STARK_SIGHTED, LordBaelish::new, LordBaelish::new);
}
}

17
event-aggregator/src/test/java/com/iluwatar/event/aggregator/LordVarysTest.java Normal file
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@@ -0,0 +1,17 @@
package com.iluwatar.event.aggregator;
/**
* Date: 12/12/15 - 10:57 AM
*
* @author Jeroen Meulemeester
*/
public class LordVarysTest extends EventEmitterTest<LordVarys> {
/**
* Create a new test instance, using the correct object factory
*/
public LordVarysTest() {
super(Weekday.SATURDAY, Event.TRAITOR_DETECTED, LordVarys::new, LordVarys::new);
}
}

17
event-aggregator/src/test/java/com/iluwatar/event/aggregator/ScoutTest.java Normal file
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@@ -0,0 +1,17 @@
package com.iluwatar.event.aggregator;
/**
* Date: 12/12/15 - 10:57 AM
*
* @author Jeroen Meulemeester
*/
public class ScoutTest extends EventEmitterTest<Scout> {
/**
* Create a new test instance, using the correct object factory
*/
public ScoutTest() {
super(Weekday.TUESDAY, Event.WARSHIPS_APPROACHING, Scout::new, Scout::new);
}
}

24
event-aggregator/src/test/java/com/iluwatar/event/aggregator/WeekdayTest.java Normal file
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@@ -0,0 +1,24 @@
package com.iluwatar.event.aggregator;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
/**
* Date: 12/12/15 - 2:12 PM
*
* @author Jeroen Meulemeester
*/
public class WeekdayTest {
@Test
public void testToString() throws Exception {
for (final Weekday weekday : Weekday.values()) {
final String toString = weekday.toString();
assertNotNull(toString);
assertEquals(weekday.name(), toString.toUpperCase());
}
}
}

75
execute-around/src/test/java/com/iluwatar/execute/around/SimpleFileWriterTest.java Normal file
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@@ -0,0 +1,75 @@
package com.iluwatar.execute.around;
import org.junit.Assert;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TemporaryFolder;
import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
/**
* Date: 12/12/15 - 3:21 PM
*
* @author Jeroen Meulemeester
*/
public class SimpleFileWriterTest {
/**
* Create a temporary folder, used to generate files in during this test
*/
@Rule
public final TemporaryFolder testFolder = new TemporaryFolder();
/**
* Verify if the given writer is not 'null'
*/
@Test
public void testWriterNotNull() throws Exception {
final File temporaryFile = this.testFolder.newFile();
new SimpleFileWriter(temporaryFile.getPath(), Assert::assertNotNull);
}
/**
* Test if the {@link SimpleFileWriter} creates a file if it doesn't exist
*/
@Test
public void testNonExistentFile() throws Exception {
final File nonExistingFile = new File(this.testFolder.getRoot(), "non-existing-file");
assertFalse(nonExistingFile.exists());
new SimpleFileWriter(nonExistingFile.getPath(), Assert::assertNotNull);
assertTrue(nonExistingFile.exists());
}
/**
* Test if the data written to the file writer actually gets in the file
*/
@Test
public void testActualWrite() throws Exception {
final String testMessage = "Test message";
final File temporaryFile = this.testFolder.newFile();
assertTrue(temporaryFile.exists());
new SimpleFileWriter(temporaryFile.getPath(), writer -> writer.write(testMessage));
assertTrue(Files.lines(temporaryFile.toPath()).allMatch(testMessage::equals));
}
/**
* Verify if an {@link IOException} during the write ripples through
*/
@Test(expected = IOException.class)
public void testIOException() throws Exception {
final File temporaryFile = this.testFolder.newFile();
new SimpleFileWriter(temporaryFile.getPath(), writer -> {
throw new IOException("");
});
}
}

5
fluentinterface/pom.xml
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@@ -16,5 +16,10 @@
<artifactId>junit</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.mockito</groupId>
<artifactId>mockito-core</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
</project>

2
fluentinterface/src/main/java/com/iluwatar/fluentinterface/fluentiterable/lazy/LazyFluentIterable.java
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@@ -215,7 +215,7 @@ public class LazyFluentIterable<TYPE> implements FluentIterable<TYPE> {
return new DecoratingIterator<TYPE>(iterable.iterator()) {
@Override
public TYPE computeNext() {
return fromIterator.next();
return fromIterator.hasNext() ? fromIterator.next() : null;
}
};
}

180
fluentinterface/src/test/java/com/iluwatar/fluentinterface/fluentiterable/FluentIterableTest.java Normal file
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@@ -0,0 +1,180 @@
package com.iluwatar.fluentinterface.fluentiterable;
import org.junit.Test;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Optional;
import java.util.Spliterator;
import java.util.function.Consumer;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.verifyNoMoreInteractions;
/**
* Date: 12/12/15 - 7:00 PM
*
* @author Jeroen Meulemeester
*/
public abstract class FluentIterableTest {
/**
* Create a new {@link FluentIterable<Integer>} from the given integers
*
* @param integers The integers
* @return The new iterable, use for testing
*/
protected abstract FluentIterable<Integer> createFluentIterable(final Iterable<Integer> integers);
@Test
public void testFirst() throws Exception {
final List<Integer> integers = Arrays.asList(1, 2, 3, 10, 9, 8);
final Optional<Integer> first = createFluentIterable(integers).first();
assertNotNull(first);
assertTrue(first.isPresent());
assertEquals(integers.get(0), first.get());
}
@Test
public void testFirstEmptyCollection() throws Exception {
final List<Integer> integers = Collections.<Integer>emptyList();
final Optional<Integer> first = createFluentIterable(integers).first();
assertNotNull(first);
assertFalse(first.isPresent());
}
@Test
public void testFirstCount() throws Exception {
final List<Integer> integers = Arrays.asList(1, 2, 3, 10, 9, 8);
final List<Integer> first4 = createFluentIterable(integers)
.first(4)
.asList();
assertNotNull(first4);
assertEquals(4, first4.size());
assertEquals(integers.get(0), first4.get(0));
assertEquals(integers.get(1), first4.get(1));
assertEquals(integers.get(2), first4.get(2));
assertEquals(integers.get(3), first4.get(3));
}
@Test
public void testFirstCountLessItems() throws Exception {
final List<Integer> integers = Arrays.asList(1, 2, 3);
final List<Integer> first4 = createFluentIterable(integers)
.first(4)
.asList();
assertNotNull(first4);
assertEquals(3, first4.size());
assertEquals(integers.get(0), first4.get(0));
assertEquals(integers.get(1), first4.get(1));
assertEquals(integers.get(2), first4.get(2));
}
@Test
public void testLast() throws Exception {
final List<Integer> integers = Arrays.asList(1, 2, 3, 10, 9, 8);
final Optional<Integer> last = createFluentIterable(integers).last();
assertNotNull(last);
assertTrue(last.isPresent());
assertEquals(integers.get(integers.size() - 1), last.get());
}
@Test
public void testLastEmptyCollection() throws Exception {
final List<Integer> integers = Collections.<Integer>emptyList();
final Optional<Integer> last = createFluentIterable(integers).last();
assertNotNull(last);
assertFalse(last.isPresent());
}
@Test
public void testLastCount() throws Exception {
final List<Integer> integers = Arrays.asList(1, 2, 3, 10, 9, 8);
final List<Integer> last4 = createFluentIterable(integers)
.last(4)
.asList();
assertNotNull(last4);
assertEquals(4, last4.size());
assertEquals(Integer.valueOf(3), last4.get(0));
assertEquals(Integer.valueOf(10), last4.get(1));
assertEquals(Integer.valueOf(9), last4.get(2));
assertEquals(Integer.valueOf(8), last4.get(3));
}
@Test
public void testLastCountLessItems() throws Exception {
final List<Integer> integers = Arrays.asList(1, 2, 3);
final List<Integer> last4 = createFluentIterable(integers)
.last(4)
.asList();
assertNotNull(last4);
assertEquals(3, last4.size());
assertEquals(Integer.valueOf(1), last4.get(0));
assertEquals(Integer.valueOf(2), last4.get(1));
assertEquals(Integer.valueOf(3), last4.get(2));
}
@Test
public void testFilter() throws Exception {
final List<Integer> integers = Arrays.asList(1, 2, 3, 10, 9, 8);
final List<Integer> evenItems = createFluentIterable(integers)
.filter(i -> i % 2 == 0)
.asList();
assertNotNull(evenItems);
assertEquals(3, evenItems.size());
assertEquals(Integer.valueOf(2), evenItems.get(0));
assertEquals(Integer.valueOf(10), evenItems.get(1));
assertEquals(Integer.valueOf(8), evenItems.get(2));
}
@Test
public void testMap() throws Exception {
final List<Integer> integers = Arrays.asList(1, 2, 3);
final List<Long> longs = createFluentIterable(integers)
.map(Integer::longValue)
.asList();
assertNotNull(longs);
assertEquals(integers.size(), longs.size());
assertEquals(Long.valueOf(1), longs.get(0));
assertEquals(Long.valueOf(2), longs.get(1));
assertEquals(Long.valueOf(3), longs.get(2));
}
@Test
public void testForEach() throws Exception {
final List<Integer> integers = Arrays.asList(1, 2, 3);
final Consumer<Integer> consumer = mock(Consumer.class);
createFluentIterable(integers).forEach(consumer);
verify(consumer, times(1)).accept(Integer.valueOf(1));
verify(consumer, times(1)).accept(Integer.valueOf(2));
verify(consumer, times(1)).accept(Integer.valueOf(3));
verifyNoMoreInteractions(consumer);
}
@Test
public void testSpliterator() throws Exception {
final List<Integer> integers = Arrays.asList(1, 2, 3);
final Spliterator<Integer> split = createFluentIterable(integers).spliterator();
assertNotNull(split);
}
}

18
fluentinterface/src/test/java/com/iluwatar/fluentinterface/fluentiterable/lazy/LazyFluentIterableTest.java Normal file
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@@ -0,0 +1,18 @@
package com.iluwatar.fluentinterface.fluentiterable.lazy;
import com.iluwatar.fluentinterface.fluentiterable.FluentIterable;
import com.iluwatar.fluentinterface.fluentiterable.FluentIterableTest;
/**
* Date: 12/12/15 - 7:56 PM
*
* @author Jeroen Meulemeester
*/
public class LazyFluentIterableTest extends FluentIterableTest {
@Override
protected FluentIterable<Integer> createFluentIterable(Iterable<Integer> integers) {
return LazyFluentIterable.from(integers);
}
}

18
fluentinterface/src/test/java/com/iluwatar/fluentinterface/fluentiterable/simple/SimpleFluentIterableTest.java Normal file
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@@ -0,0 +1,18 @@
package com.iluwatar.fluentinterface.fluentiterable.simple;
import com.iluwatar.fluentinterface.fluentiterable.FluentIterable;
import com.iluwatar.fluentinterface.fluentiterable.FluentIterableTest;
/**
* Date: 12/12/15 - 7:56 PM
*
* @author Jeroen Meulemeester
*/
public class SimpleFluentIterableTest extends FluentIterableTest {
@Override
protected FluentIterable<Integer> createFluentIterable(Iterable<Integer> integers) {
return SimpleFluentIterable.fromCopyOf(integers);
}
}

5
flux/pom.xml
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@@ -14,5 +14,10 @@
<artifactId>junit</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.mockito</groupId>
<artifactId>mockito-core</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
</project>

24
flux/src/test/java/com/iluwatar/flux/action/ContentTest.java Normal file
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@@ -0,0 +1,24 @@
package com.iluwatar.flux.action;
import org.junit.Test;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
/**
* Date: 12/12/15 - 10:11 PM
*
* @author Jeroen Meulemeester
*/
public class ContentTest {
@Test
public void testToString() throws Exception {
for (final Content content : Content.values()) {
final String toString = content.toString();
assertNotNull(toString);
assertFalse(toString.trim().isEmpty());
}
}
}

24
flux/src/test/java/com/iluwatar/flux/action/MenuItemTest.java Normal file
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@@ -0,0 +1,24 @@
package com.iluwatar.flux.action;
import org.junit.Test;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
/**
* Date: 12/12/15 - 10:15 PM
*
* @author Jeroen Meulemeester
*/
public class MenuItemTest {
@Test
public void testToString() throws Exception {
for (final MenuItem menuItem : MenuItem.values()) {
final String toString = menuItem.toString();
assertNotNull(toString);
assertFalse(toString.trim().isEmpty());
}
}
}

92
flux/src/test/java/com/iluwatar/flux/dispatcher/DispatcherTest.java Normal file
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@@ -0,0 +1,92 @@
package com.iluwatar.flux.dispatcher;
import com.iluwatar.flux.action.Action;
import com.iluwatar.flux.action.ActionType;
import com.iluwatar.flux.action.Content;
import com.iluwatar.flux.action.ContentAction;
import com.iluwatar.flux.action.MenuAction;
import com.iluwatar.flux.action.MenuItem;
import com.iluwatar.flux.store.Store;
import org.junit.Before;
import org.junit.Test;
import org.mockito.ArgumentCaptor;
import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.util.List;
import java.util.stream.Collectors;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertSame;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.verifyNoMoreInteractions;
/**
* Date: 12/12/15 - 8:22 PM
*
* @author Jeroen Meulemeester
*/
public class DispatcherTest {
/**
* Dispatcher is a singleton with no way to reset it's internal state back to the beginning.
* Replace the instance with a fresh one before each test to make sure test cases have no
* influence on each other.
*/
@Before
public void setUp() throws Exception {
final Constructor<Dispatcher> constructor;
constructor = Dispatcher.class.getDeclaredConstructor();
constructor.setAccessible(true);
final Field field = Dispatcher.class.getDeclaredField("instance");
field.setAccessible(true);
field.set(Dispatcher.getInstance(), constructor.newInstance());
}
@Test
public void testGetInstance() throws Exception {
assertNotNull(Dispatcher.getInstance());
assertSame(Dispatcher.getInstance(), Dispatcher.getInstance());
}
@Test
public void testMenuItemSelected() throws Exception {
final Dispatcher dispatcher = Dispatcher.getInstance();
final Store store = mock(Store.class);
dispatcher.registerStore(store);
dispatcher.menuItemSelected(MenuItem.HOME);
dispatcher.menuItemSelected(MenuItem.COMPANY);
// We expect 4 events, 2 menu selections and 2 content change actions
final ArgumentCaptor<Action> actionCaptor = ArgumentCaptor.forClass(Action.class);
verify(store, times(4)).onAction(actionCaptor.capture());
verifyNoMoreInteractions(store);
final List<Action> actions = actionCaptor.getAllValues();
final List<MenuAction> menuActions = actions.stream()
.filter(a -> a.getType().equals(ActionType.MENU_ITEM_SELECTED))
.map(a -> (MenuAction) a)
.collect(Collectors.toList());
final List<ContentAction> contentActions = actions.stream()
.filter(a -> a.getType().equals(ActionType.CONTENT_CHANGED))
.map(a -> (ContentAction) a)
.collect(Collectors.toList());
assertEquals(2, menuActions.size());
assertEquals(1, menuActions.stream().map(MenuAction::getMenuItem).filter(MenuItem.HOME::equals).count());
assertEquals(1, menuActions.stream().map(MenuAction::getMenuItem).filter(MenuItem.COMPANY::equals).count());
assertEquals(2, contentActions.size());
assertEquals(1, contentActions.stream().map(ContentAction::getContent).filter(Content.PRODUCTS::equals).count());
assertEquals(1, contentActions.stream().map(ContentAction::getContent).filter(Content.COMPANY::equals).count());
}
}

47
flux/src/test/java/com/iluwatar/flux/store/ContentStoreTest.java Normal file
View File

@@ -0,0 +1,47 @@
package com.iluwatar.flux.store;
import com.iluwatar.flux.action.Content;
import com.iluwatar.flux.action.ContentAction;
import com.iluwatar.flux.action.MenuAction;
import com.iluwatar.flux.action.MenuItem;
import com.iluwatar.flux.view.View;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.mockito.Matchers.eq;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.verifyNoMoreInteractions;
import static org.mockito.Mockito.verifyZeroInteractions;
/**
* Date: 12/12/15 - 10:18 PM
*
* @author Jeroen Meulemeester
*/
public class ContentStoreTest {
@Test
public void testOnAction() throws Exception {
final ContentStore contentStore = new ContentStore();
final View view = mock(View.class);
contentStore.registerView(view);
verifyZeroInteractions(view);
// Content should not react on menu action ...
contentStore.onAction(new MenuAction(MenuItem.PRODUCTS));
verifyZeroInteractions(view);
// ... but it should react on a content action
contentStore.onAction(new ContentAction(Content.COMPANY));
verify(view, times(1)).storeChanged(eq(contentStore));
verifyNoMoreInteractions(view);
assertEquals(Content.COMPANY, contentStore.getContent());
}
}

47
flux/src/test/java/com/iluwatar/flux/store/MenuStoreTest.java Normal file
View File

@@ -0,0 +1,47 @@
package com.iluwatar.flux.store;
import com.iluwatar.flux.action.Content;
import com.iluwatar.flux.action.ContentAction;
import com.iluwatar.flux.action.MenuAction;
import com.iluwatar.flux.action.MenuItem;
import com.iluwatar.flux.view.View;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.mockito.Matchers.eq;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.verifyNoMoreInteractions;
import static org.mockito.Mockito.verifyZeroInteractions;
/**
* Date: 12/12/15 - 10:18 PM
*
* @author Jeroen Meulemeester
*/
public class MenuStoreTest {
@Test
public void testOnAction() throws Exception {
final MenuStore menuStore = new MenuStore();
final View view = mock(View.class);
menuStore.registerView(view);
verifyZeroInteractions(view);
// Menu should not react on content action ...
menuStore.onAction(new ContentAction(Content.COMPANY));
verifyZeroInteractions(view);
// ... but it should react on a menu action
menuStore.onAction(new MenuAction(MenuItem.PRODUCTS));
verify(view, times(1)).storeChanged(eq(menuStore));
verifyNoMoreInteractions(view);
assertEquals(MenuItem.PRODUCTS, menuStore.getSelected());
}
}

33
flux/src/test/java/com/iluwatar/flux/view/ContentViewTest.java Normal file
View File

@@ -0,0 +1,33 @@
package com.iluwatar.flux.view;
import com.iluwatar.flux.action.Content;
import com.iluwatar.flux.store.ContentStore;
import org.junit.Test;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.verifyNoMoreInteractions;
import static org.mockito.Mockito.when;
/**
* Date: 12/12/15 - 10:31 PM
*
* @author Jeroen Meulemeester
*/
public class ContentViewTest {
@Test
public void testStoreChanged() throws Exception {
final ContentStore store = mock(ContentStore.class);
when(store.getContent()).thenReturn(Content.PRODUCTS);
final ContentView view = new ContentView();
view.storeChanged(store);
verify(store, times(1)).getContent();
verifyNoMoreInteractions(store);
}
}

50
flux/src/test/java/com/iluwatar/flux/view/MenuViewTest.java Normal file
View File

@@ -0,0 +1,50 @@
package com.iluwatar.flux.view;
import com.iluwatar.flux.action.Action;
import com.iluwatar.flux.action.MenuItem;
import com.iluwatar.flux.dispatcher.Dispatcher;
import com.iluwatar.flux.store.MenuStore;
import com.iluwatar.flux.store.Store;
import org.junit.Test;
import static org.mockito.Matchers.any;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.verifyNoMoreInteractions;
import static org.mockito.Mockito.when;
/**
* Date: 12/12/15 - 10:31 PM
*
* @author Jeroen Meulemeester
*/
public class MenuViewTest {
@Test
public void testStoreChanged() throws Exception {
final MenuStore store = mock(MenuStore.class);
when(store.getSelected()).thenReturn(MenuItem.HOME);
final MenuView view = new MenuView();
view.storeChanged(store);
verify(store, times(1)).getSelected();
verifyNoMoreInteractions(store);
}
@Test
public void testItemClicked() throws Exception {
final Store store = mock(Store.class);
Dispatcher.getInstance().registerStore(store);
final MenuView view = new MenuView();
view.itemClicked(MenuItem.PRODUCTS);
// We should receive a menu click action and a content changed action
verify(store, times(2)).onAction(any(Action.class));
}
}

19
flyweight/src/main/java/com/iluwatar/flyweight/AlchemistShop.java
View File

@@ -1,6 +1,7 @@
package com.iluwatar.flyweight;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
/**
@@ -39,6 +40,24 @@ public class AlchemistShop {
bottomShelf.add(factory.createPotion(PotionType.HOLY_WATER));
}
/**
* Get a read-only list of all the items on the top shelf
*
* @return The top shelf potions
*/
public final List<Potion> getTopShelf() {
return Collections.unmodifiableList(this.topShelf);
}
/**
* Get a read-only list of all the items on the bottom shelf
*
* @return The bottom shelf potions
*/
public final List<Potion> getBottomShelf() {
return Collections.unmodifiableList(this.bottomShelf);
}
public void enumerate() {
System.out.println("Enumerating top shelf potions\n");

40
flyweight/src/test/java/com/iluwatar/flyweight/AlchemistShopTest.java Normal file
View File

@@ -0,0 +1,40 @@
package com.iluwatar.flyweight;
import org.junit.Test;
import java.util.ArrayList;
import java.util.List;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
/**
* Date: 12/12/15 - 10:54 PM
*
* @author Jeroen Meulemeester
*/
public class AlchemistShopTest {
@Test
public void testShop() throws Exception {
final AlchemistShop shop = new AlchemistShop();
final List<Potion> bottomShelf = shop.getBottomShelf();
assertNotNull(bottomShelf);
assertEquals(5, bottomShelf.size());
final List<Potion> topShelf = shop.getTopShelf();
assertNotNull(topShelf);
assertEquals(8, topShelf.size());
final List<Potion> allPotions = new ArrayList<>();
allPotions.addAll(topShelf);
allPotions.addAll(bottomShelf);
// There are 13 potion instances, but only 5 unique instance types
assertEquals(13, allPotions.size());
assertEquals(5, allPotions.stream().map(System::identityHashCode).distinct().count());
}
}

5
front-controller/pom.xml
View File

@@ -15,5 +15,10 @@
<artifactId>junit</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.mockito</groupId>
<artifactId>mockito-core</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
</project>

20
front-controller/src/test/java/com/iluwatar/front/controller/ApplicationExceptionTest.java Normal file
View File

@@ -0,0 +1,20 @@
package com.iluwatar.front.controller;
import org.junit.Test;
import static org.junit.Assert.*;
/**
* Date: 12/13/15 - 1:35 PM
*
* @author Jeroen Meulemeester
*/
public class ApplicationExceptionTest {
@Test
public void testCause() throws Exception {
final Exception cause = new Exception();
assertSame(cause, new ApplicationException(cause).getCause());
}
}

62
front-controller/src/test/java/com/iluwatar/front/controller/CommandTest.java Normal file
View File

@@ -0,0 +1,62 @@
package com.iluwatar.front.controller;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;
import java.util.ArrayList;
import java.util.List;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.verifyNoMoreInteractions;
import static org.mockito.Mockito.verifyZeroInteractions;
/**
* Date: 12/13/15 - 1:39 PM
*
* @author Jeroen Meulemeester
*/
@RunWith(Parameterized.class)
public class CommandTest extends StdOutTest {
@Parameters
public static List<Object[]> data() {
final List<Object[]> parameters = new ArrayList<>();
parameters.add(new Object[]{"Archer", "Displaying archers"});
parameters.add(new Object[]{"Catapult", "Displaying catapults"});
parameters.add(new Object[]{"NonExistentCommand", "Error 500"});
return parameters;
}
/**
* The view that's been tested
*/
private final String request;
/**
* The expected display message
*/
private final String displayMessage;
/**
* Create a new instance of the {@link CommandTest} with the given view and expected message
*
* @param request The request that's been tested
* @param displayMessage The expected display message
*/
public CommandTest(final String request, final String displayMessage) {
this.displayMessage = displayMessage;
this.request = request;
}
@Test
public void testDisplay() {
final FrontController frontController = new FrontController();
verifyZeroInteractions(getStdOutMock());
frontController.handleRequest(request);
verify(getStdOutMock()).println(displayMessage);
verifyNoMoreInteractions(getStdOutMock());
}
}

61
front-controller/src/test/java/com/iluwatar/front/controller/FrontControllerTest.java Normal file
View File

@@ -0,0 +1,61 @@
package com.iluwatar.front.controller;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;
import java.util.ArrayList;
import java.util.List;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.verifyNoMoreInteractions;
import static org.mockito.Mockito.verifyZeroInteractions;
/**
* Date: 12/13/15 - 1:39 PM
*
* @author Jeroen Meulemeester
*/
@RunWith(Parameterized.class)
public class FrontControllerTest extends StdOutTest {
@Parameters
public static List<Object[]> data() {
final List<Object[]> parameters = new ArrayList<>();
parameters.add(new Object[]{new ArcherCommand(), "Displaying archers"});
parameters.add(new Object[]{new CatapultCommand(), "Displaying catapults"});
parameters.add(new Object[]{new UnknownCommand(), "Error 500"});
return parameters;
}
/**
* The view that's been tested
*/
private final Command command;
/**
* The expected display message
*/
private final String displayMessage;
/**
* Create a new instance of the {@link FrontControllerTest} with the given view and expected message
*
* @param command The command that's been tested
* @param displayMessage The expected display message
*/
public FrontControllerTest(final Command command, final String displayMessage) {
this.displayMessage = displayMessage;
this.command = command;
}
@Test
public void testDisplay() {
verifyZeroInteractions(getStdOutMock());
this.command.process();
verify(getStdOutMock()).println(displayMessage);
verifyNoMoreInteractions(getStdOutMock());
}
}

54
front-controller/src/test/java/com/iluwatar/front/controller/StdOutTest.java Normal file
View File

@@ -0,0 +1,54 @@
package com.iluwatar.front.controller;
import org.junit.After;
import org.junit.Before;
import java.io.PrintStream;
import static org.mockito.Mockito.mock;
/**
* Date: 12/10/15 - 8:37 PM
*
* @author Jeroen Meulemeester
*/
public abstract class StdOutTest {
/**
* The mocked standard out {@link PrintStream}, required since the actions of the views don't have
* any influence on any other accessible objects, except for writing to std-out using {@link
* System#out}
*/
private final PrintStream stdOutMock = mock(PrintStream.class);
/**
* Keep the original std-out so it can be restored after the test
*/
private final PrintStream stdOutOrig = System.out;
/**
* Inject the mocked std-out {@link PrintStream} into the {@link System} class before each test
*/
@Before
public void setUp() {
System.setOut(this.stdOutMock);
}
/**
* Removed the mocked std-out {@link PrintStream} again from the {@link System} class
*/
@After
public void tearDown() {
System.setOut(this.stdOutOrig);
}
/**
* Get the mocked stdOut {@link PrintStream}
*
* @return The stdOut print stream mock, renewed before each test
*/
final PrintStream getStdOutMock() {
return this.stdOutMock;
}
}

61
front-controller/src/test/java/com/iluwatar/front/controller/ViewTest.java Normal file
View File

@@ -0,0 +1,61 @@
package com.iluwatar.front.controller;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;
import java.util.ArrayList;
import java.util.List;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.verifyNoMoreInteractions;
import static org.mockito.Mockito.verifyZeroInteractions;
/**
* Date: 12/13/15 - 1:39 PM
*
* @author Jeroen Meulemeester
*/
@RunWith(Parameterized.class)
public class ViewTest extends StdOutTest {
@Parameters
public static List<Object[]> data() {
final List<Object[]> parameters = new ArrayList<>();
parameters.add(new Object[]{new ArcherView(), "Displaying archers"});
parameters.add(new Object[]{new CatapultView(), "Displaying catapults"});
parameters.add(new Object[]{new ErrorView(), "Error 500"});
return parameters;
}
/**
* The view that's been tested
*/
private final View view;
/**
* The expected display message
*/
private final String displayMessage;
/**
* Create a new instance of the {@link ViewTest} with the given view and expected message
*
* @param view The view that's been tested
* @param displayMessage The expected display message
*/
public ViewTest(final View view, final String displayMessage) {
this.displayMessage = displayMessage;
this.view = view;
}
@Test
public void testDisplay() {
verifyZeroInteractions(getStdOutMock());
this.view.display();
verify(getStdOutMock()).println(displayMessage);
verifyNoMoreInteractions(getStdOutMock());
}
}

5
half-sync-half-async/pom.xml
View File

@@ -14,5 +14,10 @@
<artifactId>junit</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.mockito</groupId>
<artifactId>mockito-core</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
</project>

1
half-sync-half-async/src/main/java/com/iluwatar/halfsynchalfasync/AsynchronousService.java
View File

@@ -50,6 +50,7 @@ public class AsynchronousService {
task.onPreCall();
} catch (Exception e) {
task.onError(e);
return;
}
service.submit(new FutureTask<T>(task) {

79
half-sync-half-async/src/test/java/com/iluwatar/halfsynchalfasync/AsynchronousServiceTest.java Normal file
View File

@@ -0,0 +1,79 @@
package com.iluwatar.halfsynchalfasync;
import org.junit.Test;
import org.mockito.InOrder;
import java.io.IOException;
import java.util.concurrent.LinkedBlockingQueue;
import static org.mockito.Matchers.eq;
import static org.mockito.Mockito.doThrow;
import static org.mockito.Mockito.inOrder;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.timeout;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.verifyNoMoreInteractions;
import static org.mockito.Mockito.when;
/**
* Date: 12/12/15 - 11:15 PM
*
* @author Jeroen Meulemeester
*/
public class AsynchronousServiceTest {
@Test
public void testPerfectExecution() throws Exception {
final AsynchronousService service = new AsynchronousService(new LinkedBlockingQueue<>());
final AsyncTask<Object> task = mock(AsyncTask.class);
final Object result = new Object();
when(task.call()).thenReturn(result);
service.execute(task);
verify(task, timeout(2000)).onPostCall(eq(result));
final InOrder inOrder = inOrder(task);
inOrder.verify(task, times(1)).onPreCall();
inOrder.verify(task, times(1)).call();
inOrder.verify(task, times(1)).onPostCall(eq(result));
verifyNoMoreInteractions(task);
}
@Test
public void testCallException() throws Exception {
final AsynchronousService service = new AsynchronousService(new LinkedBlockingQueue<>());
final AsyncTask<Object> task = mock(AsyncTask.class);
final IOException exception = new IOException();
when(task.call()).thenThrow(exception);
service.execute(task);
verify(task, timeout(2000)).onError(eq(exception));
final InOrder inOrder = inOrder(task);
inOrder.verify(task, times(1)).onPreCall();
inOrder.verify(task, times(1)).call();
inOrder.verify(task, times(1)).onError(exception);
verifyNoMoreInteractions(task);
}
@Test
public void testPreCallException() throws Exception {
final AsynchronousService service = new AsynchronousService(new LinkedBlockingQueue<>());
final AsyncTask<Object> task = mock(AsyncTask.class);
final IllegalStateException exception = new IllegalStateException();
doThrow(exception).when(task).onPreCall();
service.execute(task);
verify(task, timeout(2000)).onError(eq(exception));
final InOrder inOrder = inOrder(task);
inOrder.verify(task, times(1)).onPreCall();
inOrder.verify(task, times(1)).onError(exception);
verifyNoMoreInteractions(task);
}
}

5
intercepting-filter/pom.xml
View File

@@ -14,5 +14,10 @@
<artifactId>junit</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.mockito</groupId>
<artifactId>mockito-core</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
</project>

2
intercepting-filter/src/main/java/com/iluwatar/intercepting/filter/NameFilter.java
View File

@@ -14,7 +14,7 @@ public class NameFilter extends AbstractFilter {
String result = super.execute(order);
if (order.getName() == null || order.getName().isEmpty()
|| order.getName().matches(".*[^\\w|\\s]+.*")) {
return result + "Invalid order! ";
return result + "Invalid name! ";
} else {
return result;
}

46
intercepting-filter/src/test/java/com/iluwatar/intercepting/filter/FilterManagerTest.java Normal file
View File

@@ -0,0 +1,46 @@
package com.iluwatar.intercepting.filter;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.mockito.Matchers.any;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.verifyZeroInteractions;
import static org.mockito.Mockito.when;
/**
* Date: 12/13/15 - 3:01 PM
*
* @author Jeroen Meulemeester
*/
public class FilterManagerTest {
@Test
public void testFilterRequest() throws Exception {
final Target target = mock(Target.class);
final FilterManager filterManager = new FilterManager(target);
assertEquals("RUNNING...", filterManager.filterRequest(mock(Order.class)));
verifyZeroInteractions(target);
}
@Test
public void testAddFilter() throws Exception {
final Target target = mock(Target.class);
final FilterManager filterManager = new FilterManager(target);
verifyZeroInteractions(target);
final Filter filter = mock(Filter.class);
when(filter.execute(any(Order.class))).thenReturn("filter");
filterManager.addFilter(filter);
final Order order = mock(Order.class);
assertEquals("filter", filterManager.filterRequest(order));
verify(filter, times(1)).execute(any(Order.class));
verifyZeroInteractions(target, filter, order);
}
}

95
intercepting-filter/src/test/java/com/iluwatar/intercepting/filter/FilterTest.java Normal file
View File

@@ -0,0 +1,95 @@
package com.iluwatar.intercepting.filter;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;
import java.util.ArrayList;
import java.util.List;
import static junit.framework.TestCase.assertSame;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
/**
* Date: 12/13/15 - 2:17 PM
*
* @author Jeroen Meulemeester
*/
@RunWith(Parameterized.class)
public class FilterTest {
private static final Order PERFECT_ORDER = new Order("name", "12345678901", "addr", "dep", "order");
private static final Order WRONG_ORDER = new Order("name", "12345678901", "addr", "dep", "");
private static final Order WRONG_DEPOSIT = new Order("name", "12345678901", "addr", "", "order");
private static final Order WRONG_ADDRESS = new Order("name", "12345678901", "", "dep", "order");
private static final Order WRONG_CONTACT = new Order("name", "", "addr", "dep", "order");
private static final Order WRONG_NAME = new Order("", "12345678901", "addr", "dep", "order");
@Parameters
public static List<Object[]> getTestData() {
final List<Object[]> testData = new ArrayList<>();
testData.add(new Object[]{new NameFilter(), PERFECT_ORDER, ""});
testData.add(new Object[]{new NameFilter(), WRONG_NAME, "Invalid name!"});
testData.add(new Object[]{new NameFilter(), WRONG_CONTACT, ""});
testData.add(new Object[]{new NameFilter(), WRONG_ADDRESS, ""});
testData.add(new Object[]{new NameFilter(), WRONG_DEPOSIT, ""});
testData.add(new Object[]{new NameFilter(), WRONG_ORDER, ""});
testData.add(new Object[]{new ContactFilter(), PERFECT_ORDER, ""});
testData.add(new Object[]{new ContactFilter(), WRONG_NAME, ""});
testData.add(new Object[]{new ContactFilter(), WRONG_CONTACT, "Invalid contact number!"});
testData.add(new Object[]{new ContactFilter(), WRONG_ADDRESS, ""});
testData.add(new Object[]{new ContactFilter(), WRONG_DEPOSIT, ""});
testData.add(new Object[]{new ContactFilter(), WRONG_ORDER, ""});
testData.add(new Object[]{new AddressFilter(), PERFECT_ORDER, ""});
testData.add(new Object[]{new AddressFilter(), WRONG_NAME, ""});
testData.add(new Object[]{new AddressFilter(), WRONG_CONTACT, ""});
testData.add(new Object[]{new AddressFilter(), WRONG_ADDRESS, "Invalid address!"});
testData.add(new Object[]{new AddressFilter(), WRONG_DEPOSIT, ""});
testData.add(new Object[]{new AddressFilter(), WRONG_ORDER, ""});
testData.add(new Object[]{new DepositFilter(), PERFECT_ORDER, ""});
testData.add(new Object[]{new DepositFilter(), WRONG_NAME, ""});
testData.add(new Object[]{new DepositFilter(), WRONG_CONTACT, ""});
testData.add(new Object[]{new DepositFilter(), WRONG_ADDRESS, ""});
testData.add(new Object[]{new DepositFilter(), WRONG_DEPOSIT, "Invalid deposit number!"});
testData.add(new Object[]{new DepositFilter(), WRONG_ORDER, ""});
testData.add(new Object[]{new OrderFilter(), PERFECT_ORDER, ""});
testData.add(new Object[]{new OrderFilter(), WRONG_NAME, ""});
testData.add(new Object[]{new OrderFilter(), WRONG_CONTACT, ""});
testData.add(new Object[]{new OrderFilter(), WRONG_ADDRESS, ""});
testData.add(new Object[]{new OrderFilter(), WRONG_DEPOSIT, ""});
testData.add(new Object[]{new OrderFilter(), WRONG_ORDER, "Invalid order!"});
return testData;
}
private final Filter filter;
private final Order order;
private final String result;
public FilterTest(Filter filter, Order order, String result) {
this.filter = filter;
this.order = order;
this.result = result;
}
@Test
public void testExecute() throws Exception {
final String result = this.filter.execute(this.order);
assertNotNull(result);
assertEquals(this.result, result.trim());
}
@Test
public void testNext() throws Exception {
assertNull(this.filter.getNext());
assertSame(this.filter, this.filter.getLast());
}
}

51
intercepting-filter/src/test/java/com/iluwatar/intercepting/filter/OrderTest.java Normal file
View File

@@ -0,0 +1,51 @@
package com.iluwatar.intercepting.filter;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
/**
* Date: 12/13/15 - 2:57 PM
*
* @author Jeroen Meulemeester
*/
public class OrderTest {
private static final String EXPECTED_VALUE = "test";
@Test
public void testSetName() throws Exception {
final Order order = new Order();
order.setName(EXPECTED_VALUE);
assertEquals(EXPECTED_VALUE, order.getName());
}
@Test
public void testSetContactNumber() throws Exception {
final Order order = new Order();
order.setContactNumber(EXPECTED_VALUE);
assertEquals(EXPECTED_VALUE, order.getContactNumber());
}
@Test
public void testSetAddress() throws Exception {
final Order order = new Order();
order.setAddress(EXPECTED_VALUE);
assertEquals(EXPECTED_VALUE, order.getAddress());
}
@Test
public void testSetDepositNumber() throws Exception {
final Order order = new Order();
order.setDepositNumber(EXPECTED_VALUE);
assertEquals(EXPECTED_VALUE, order.getDepositNumber());
}
@Test
public void testSetOrder() throws Exception {
final Order order = new Order();
order.setOrder(EXPECTED_VALUE);
assertEquals(EXPECTED_VALUE, order.getOrder());
}
}

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interpreter/src/test/java/com/iluwatar/interpreter/ExpressionTest.java Normal file
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package com.iluwatar.interpreter;
import org.junit.Test;
import java.util.ArrayList;
import java.util.List;
import java.util.function.BiFunction;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
/**
* Date: 12/14/15 - 11:48 AM
*
* @author Jeroen Meulemeester
*/
public abstract class ExpressionTest<E extends Expression> {
/**
* Generate inputs ranging from -10 to 10 for both input params and calculate the expected result
*
* @param resultCalc The function used to calculate the expected result
* @return A data set with test entries
*/
static List<Object[]> prepareParameters(final BiFunction<Integer, Integer, Integer> resultCalc) {
final List<Object[]> testData = new ArrayList<>();
for (int i = -10; i < 10; i++) {
for (int j = -10; j < 10; j++) {
testData.add(new Object[]{
new NumberExpression(i),
new NumberExpression(j),
resultCalc.apply(i, j)
});
}
}
return testData;
}
/**
* The input used as first parameter during the test
*/
private final NumberExpression first;
/**
* The input used as second parameter during the test
*/
private final NumberExpression second;
/**
* The expected result of the calculation, taking the first and second parameter in account
*/
private final int result;
/**
* The expected {@link E#toString()} response
*/
private final String expectedToString;
/**
* Factory, used to create a new test object instance with the correct first and second parameter
*/
private final BiFunction<NumberExpression, NumberExpression, E> factory;
/**
* Create a new test instance with the given parameters and expected results
*
* @param first The input used as first parameter during the test
* @param second The input used as second parameter during the test
* @param result The expected result of the tested expression
* @param expectedToString The expected {@link E#toString()} response
* @param factory Factory, used to create a new test object instance
*/
ExpressionTest(final NumberExpression first, final NumberExpression second, final int result,
final String expectedToString, final BiFunction<NumberExpression, NumberExpression, E> factory) {
this.first = first;
this.second = second;
this.result = result;
this.expectedToString = expectedToString;
this.factory = factory;
}
/**
* Get the first parameter
*
* @return The first parameter
*/
final NumberExpression getFirst() {
return this.first;
}
/**
* Verify if the expression calculates the correct result when calling {@link E#interpret()}
*/
@Test
public void testInterpret() {
final E expression = this.factory.apply(this.first, this.second);
assertNotNull(expression);
assertEquals(this.result, expression.interpret());
}
/**
* Verify if the expression has the expected {@link E#toString()} value
*/
@Test
public void testToString() {
final E expression = this.factory.apply(this.first, this.second);
assertNotNull(expression);
assertEquals(expectedToString, expression.toString());
}
}

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interpreter/src/test/java/com/iluwatar/interpreter/MinusExpressionTest.java Normal file
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package com.iluwatar.interpreter;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;
import java.util.List;
/**
* Date: 12/14/15 - 12:08 PM
*
* @author Jeroen Meulemeester
*/
@RunWith(Parameterized.class)
public class MinusExpressionTest extends ExpressionTest<MinusExpression> {
/**
* Create a new set of test entries with the expected result
*
* @return The list of parameters used during this test
*/
@Parameters
public static List<Object[]> data() {
return prepareParameters((f, s) -> f - s);
}
/**
* Create a new test instance using the given test parameters and expected result
*
* @param first The first expression parameter
* @param second The second expression parameter
* @param result The expected result
*/
public MinusExpressionTest(final NumberExpression first, final NumberExpression second, final int result) {
super(first, second, result, "-", MinusExpression::new);
}
}

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interpreter/src/test/java/com/iluwatar/interpreter/MultiplyExpressionTest.java Normal file
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package com.iluwatar.interpreter;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;
import java.util.List;
/**
* Date: 12/14/15 - 12:08 PM
*
* @author Jeroen Meulemeester
*/
@RunWith(Parameterized.class)
public class MultiplyExpressionTest extends ExpressionTest<MultiplyExpression> {
/**
* Create a new set of test entries with the expected result
*
* @return The list of parameters used during this test
*/
@Parameters
public static List<Object[]> data() {
return prepareParameters((f, s) -> f * s);
}
/**
* Create a new test instance using the given test parameters and expected result
*
* @param first The first expression parameter
* @param second The second expression parameter
* @param result The expected result
*/
public MultiplyExpressionTest(final NumberExpression first, final NumberExpression second, final int result) {
super(first, second, result, "*", MultiplyExpression::new);
}
}

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interpreter/src/test/java/com/iluwatar/interpreter/NumberExpressionTest.java Normal file
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package com.iluwatar.interpreter;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;
import java.util.List;
import static org.junit.Assert.assertEquals;
/**
* Date: 12/14/15 - 12:08 PM
*
* @author Jeroen Meulemeester
*/
@RunWith(Parameterized.class)
public class NumberExpressionTest extends ExpressionTest<NumberExpression> {
/**
* Create a new set of test entries with the expected result
*
* @return The list of parameters used during this test
*/
@Parameters
public static List<Object[]> data() {
return prepareParameters((f, s) -> f);
}
/**
* Create a new test instance using the given test parameters and expected result
*
* @param first The first expression parameter
* @param second The second expression parameter
* @param result The expected result
*/
public NumberExpressionTest(final NumberExpression first, final NumberExpression second, final int result) {
super(first, second, result, "number", (f, s) -> f);
}
/**
* Verify if the {@link NumberExpression#NumberExpression(String)} constructor works as expected
*/
@Test
public void testFromString() throws Exception {
final int expectedValue = getFirst().interpret();
final String testStingValue = String.valueOf(expectedValue);
final NumberExpression numberExpression = new NumberExpression(testStingValue);
assertEquals(expectedValue, numberExpression.interpret());
}
}

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interpreter/src/test/java/com/iluwatar/interpreter/PlusExpressionTest.java Normal file
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package com.iluwatar.interpreter;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;
import java.util.List;
/**
* Date: 12/14/15 - 12:08 PM
*
* @author Jeroen Meulemeester
*/
@RunWith(Parameterized.class)
public class PlusExpressionTest extends ExpressionTest<PlusExpression> {
/**
* Create a new set of test entries with the expected result
*
* @return The list of parameters used during this test
*/
@Parameters
public static List<Object[]> data() {
return prepareParameters((f, s) -> f + s);
}
/**
* Create a new test instance using the given test parameters and expected result
*
* @param first The first expression parameter
* @param second The second expression parameter
* @param result The expected result
*/
public PlusExpressionTest(final NumberExpression first, final NumberExpression second, final int result) {
super(first, second, result, "+", PlusExpression::new);
}
}

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iterator/src/test/java/com/iluwatar/iterator/TreasureChestTest.java Normal file
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package com.iluwatar.iterator;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import java.util.ArrayList;
import java.util.List;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.fail;
/**
* Date: 12/14/15 - 2:58 PM
*
* @author Jeroen Meulemeester
*/
@RunWith(Parameterized.class)
public class TreasureChestTest {
/**
* Create a list of all expected items in the chest.
*
* @return The set of all expected items in the chest
*/
@Parameterized.Parameters
public static List<Object[]> data() {
final List<Object[]> parameters = new ArrayList<>();
parameters.add(new Object[]{new Item(ItemType.POTION, "Potion of courage")});
parameters.add(new Object[]{new Item(ItemType.RING, "Ring of shadows")});
parameters.add(new Object[]{new Item(ItemType.POTION, "Potion of wisdom")});
parameters.add(new Object[]{new Item(ItemType.POTION, "Potion of blood")});
parameters.add(new Object[]{new Item(ItemType.WEAPON, "Sword of silver +1")});
parameters.add(new Object[]{new Item(ItemType.POTION, "Potion of rust")});
parameters.add(new Object[]{new Item(ItemType.POTION, "Potion of healing")});
parameters.add(new Object[]{new Item(ItemType.RING, "Ring of armor")});
parameters.add(new Object[]{new Item(ItemType.WEAPON, "Steel halberd")});
parameters.add(new Object[]{new Item(ItemType.WEAPON, "Dagger of poison")});
return parameters;
}
/**
* One of the expected items in the chest
*/
private final Item expectedItem;
/**
* Create a new test instance, test if the given expected item can be retrieved from the chest
*
* @param expectedItem One of the items that should be in the chest
*/
public TreasureChestTest(final Item expectedItem) {
this.expectedItem = expectedItem;
}
/**
* Test if the expected item can be retrieved from the chest using the {@link ItemIterator}
*/
@Test
public void testIterator() {
final TreasureChest chest = new TreasureChest();
final ItemIterator iterator = chest.Iterator(expectedItem.getType());
assertNotNull(iterator);
while (iterator.hasNext()) {
final Item item = iterator.next();
assertNotNull(item);
assertEquals(this.expectedItem.getType(), item.getType());
final String name = item.toString();
assertNotNull(name);
if (this.expectedItem.toString().equals(name)) {
return;
}
}
fail("Expected to find item [" + this.expectedItem + "] using iterator, but we didn't.");
}
/**
* Test if the expected item can be retrieved from the chest using the {@link
* TreasureChest#getItems()} method
*/
@Test
public void testGetItems() throws Exception {
final TreasureChest chest = new TreasureChest();
final List<Item> items = chest.getItems();
assertNotNull(items);
for (final Item item : items) {
assertNotNull(item);
assertNotNull(item.getType());
assertNotNull(item.toString());
final boolean sameType = this.expectedItem.getType() == item.getType();
final boolean sameName = this.expectedItem.toString().equals(item.toString());
if (sameType && sameName) {
return;
}
}
fail("Expected to find item [" + this.expectedItem + "] in the item list, but we didn't.");
}
}