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#502 Adjusted tests for logger introduction

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This commit is contained in:
daniel-bryla
2016-11-04 11:47:06 +01:00
parent 27d6d500bc
commit e138163c4f
56 changed files with 1447 additions and 1602 deletions
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76
observer/src/test/java/com/iluwatar/observer/StdOutTest.java
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@ -1,76 +0,0 @@
/**
* The MIT License
* Copyright (c) 2014 Ilkka Seppälä
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.observer;
import org.junit.After;
import org.junit.Before;
import java.io.PrintStream;
import static org.mockito.Mockito.mock;
/**
* Date: 12/27/15 - 12:16 PM
*
* @author Jeroen Meulemeester
*/
public abstract class StdOutTest {
/**
* The mocked standard out {@link PrintStream}, required since changes in the weather doesn't has
* 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
*/
protected final PrintStream getStdOutMock() {
return this.stdOutMock;
}
}

29
observer/src/test/java/com/iluwatar/observer/WeatherObserverTest.java
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@ -22,20 +22,33 @@
*/
package com.iluwatar.observer;
import com.iluwatar.observer.utils.InMemoryAppender;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import java.util.function.Supplier;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.verifyNoMoreInteractions;
import static org.mockito.Mockito.verifyZeroInteractions;
import static org.junit.Assert.assertEquals;
/**
* Date: 12/27/15 - 11:44 AM
*
* @author Jeroen Meulemeester
*/
public abstract class WeatherObserverTest<O extends WeatherObserver> extends StdOutTest {
public abstract class WeatherObserverTest<O extends WeatherObserver> {
private InMemoryAppender appender;
@Before
public void setUp() {
appender = new InMemoryAppender();
}
@After
public void tearDown() {
appender.stop();
}
/**
* The observer instance factory
@ -71,11 +84,11 @@ public abstract class WeatherObserverTest<O extends WeatherObserver> extends Std
@Test
public void testObserver() {
final O observer = this.factory.get();
verifyZeroInteractions(getStdOutMock());
assertEquals(0, appender.getLogSize());
observer.update(this.weather);
verify(getStdOutMock()).println(this.response);
verifyNoMoreInteractions(getStdOutMock());
assertEquals(response, appender.getLastMessage());
assertEquals(1, appender.getLogSize());
}
}
}

29
observer/src/test/java/com/iluwatar/observer/WeatherTest.java
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@ -22,9 +22,13 @@
*/
package com.iluwatar.observer;
import com.iluwatar.observer.utils.InMemoryAppender;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.mockito.InOrder;
import static org.junit.Assert.assertEquals;
import static org.mockito.Mockito.inOrder;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
@ -36,7 +40,19 @@ import static org.mockito.Mockito.verifyZeroInteractions;
*
* @author Jeroen Meulemeester
*/
public class WeatherTest extends StdOutTest {
public class WeatherTest {
private InMemoryAppender appender;
@Before
public void setUp() {
appender = new InMemoryAppender(Weather.class);
}
@After
public void tearDown() {
appender.stop();
}
/**
* Add a {@link WeatherObserver}, verify if it gets notified of a weather change, remove the
@ -51,14 +67,15 @@ public class WeatherTest extends StdOutTest {
verifyZeroInteractions(observer);
weather.timePasses();
verify(getStdOutMock()).println("The weather changed to rainy.");
assertEquals("The weather changed to rainy.", appender.getLastMessage());
verify(observer).update(WeatherType.RAINY);
weather.removeObserver(observer);
weather.timePasses();
verify(getStdOutMock()).println("The weather changed to windy.");
assertEquals("The weather changed to windy.", appender.getLastMessage());
verifyNoMoreInteractions(observer, getStdOutMock());
verifyNoMoreInteractions(observer);
assertEquals(2, appender.getLogSize());
}
/**
@ -70,7 +87,7 @@ public class WeatherTest extends StdOutTest {
final Weather weather = new Weather();
weather.addObserver(observer);
final InOrder inOrder = inOrder(observer, getStdOutMock());
final InOrder inOrder = inOrder(observer);
final WeatherType[] weatherTypes = WeatherType.values();
for (int i = 1; i < 20; i++) {
weather.timePasses();
@ -80,4 +97,4 @@ public class WeatherTest extends StdOutTest {
verifyNoMoreInteractions(observer);
}
}
}

37
observer/src/test/java/com/iluwatar/observer/generic/GWeatherTest.java
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@ -22,25 +22,35 @@
*/
package com.iluwatar.observer.generic;
import com.iluwatar.observer.StdOutTest;
import com.iluwatar.observer.WeatherObserver;
import com.iluwatar.observer.WeatherType;
import com.iluwatar.observer.utils.InMemoryAppender;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.mockito.InOrder;
import static org.mockito.Mockito.inOrder;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.verifyNoMoreInteractions;
import static org.mockito.Mockito.verifyZeroInteractions;
import static org.junit.Assert.assertEquals;
import static org.mockito.Mockito.*;
/**
* Date: 12/27/15 - 11:08 AM
*
* @author Jeroen Meulemeester
*/
public class GWeatherTest extends StdOutTest {
public class GWeatherTest {
private InMemoryAppender appender;
@Before
public void setUp() {
appender = new InMemoryAppender(GWeather.class);
}
@After
public void tearDown() {
appender.stop();
}
/**
* Add a {@link WeatherObserver}, verify if it gets notified of a weather change, remove the
@ -55,14 +65,15 @@ public class GWeatherTest extends StdOutTest {
verifyZeroInteractions(observer);
weather.timePasses();
verify(getStdOutMock()).println("The weather changed to rainy.");
assertEquals("The weather changed to rainy.", appender.getLastMessage());
verify(observer).update(weather, WeatherType.RAINY);
weather.removeObserver(observer);
weather.timePasses();
verify(getStdOutMock()).println("The weather changed to windy.");
assertEquals("The weather changed to windy.", appender.getLastMessage());
verifyNoMoreInteractions(observer, getStdOutMock());
verifyNoMoreInteractions(observer);
assertEquals(2, appender.getLogSize());
}
/**
@ -74,7 +85,7 @@ public class GWeatherTest extends StdOutTest {
final GWeather weather = new GWeather();
weather.addObserver(observer);
final InOrder inOrder = inOrder(observer, getStdOutMock());
final InOrder inOrder = inOrder(observer);
final WeatherType[] weatherTypes = WeatherType.values();
for (int i = 1; i < 20; i++) {
weather.timePasses();
@ -84,4 +95,4 @@ public class GWeatherTest extends StdOutTest {
verifyNoMoreInteractions(observer);
}
}
}

31
observer/src/test/java/com/iluwatar/observer/generic/ObserverTest.java
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@ -22,23 +22,34 @@
*/
package com.iluwatar.observer.generic;
import com.iluwatar.observer.StdOutTest;
import com.iluwatar.observer.WeatherType;
import com.iluwatar.observer.utils.InMemoryAppender;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import java.util.function.Supplier;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.verifyNoMoreInteractions;
import static org.mockito.Mockito.verifyZeroInteractions;
import static org.junit.Assert.assertEquals;
/**
* Date: 12/27/15 - 11:44 AM
*
* @author Jeroen Meulemeester
*/
public abstract class ObserverTest<O extends Observer> extends StdOutTest {
public abstract class ObserverTest<O extends Observer> {
private InMemoryAppender appender;
@Before
public void setUp() {
appender = new InMemoryAppender();
}
@After
public void tearDown() {
appender.stop();
}
/**
* The observer instance factory
@ -74,11 +85,11 @@ public abstract class ObserverTest<O extends Observer> extends StdOutTest {
@Test
public void testObserver() {
final O observer = this.factory.get();
verifyZeroInteractions(getStdOutMock());
assertEquals(0, appender.getLogSize());
observer.update(null, this.weather);
verify(getStdOutMock()).println(this.response);
verifyNoMoreInteractions(getStdOutMock());
assertEquals(this.response, appender.getLastMessage());
assertEquals(1, appender.getLogSize());
}
}
}

58
observer/src/test/java/com/iluwatar/observer/utils/InMemoryAppender.java Normal file
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@ -0,0 +1,58 @@
/**
* The MIT License
* Copyright (c) 2014 Ilkka Seppälä
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.observer.utils;
import ch.qos.logback.classic.Logger;
import ch.qos.logback.classic.spi.ILoggingEvent;
import ch.qos.logback.core.AppenderBase;
import org.slf4j.LoggerFactory;
import java.util.LinkedList;
import java.util.List;
public class InMemoryAppender extends AppenderBase<ILoggingEvent> {
private List<ILoggingEvent> log = new LinkedList<>();
public InMemoryAppender(Class clazz) {
((Logger) LoggerFactory.getLogger(clazz)).addAppender(this);
start();
}
public InMemoryAppender() {
((Logger) LoggerFactory.getLogger("root")).addAppender(this);
start();
}
@Override
protected void append(ILoggingEvent eventObject) {
log.add(eventObject);
}
public int getLogSize() {
return log.size();
}
public String getLastMessage() {
return log.get(log.size() - 1).getFormattedMessage();
}
}