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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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11
null-object/src/test/java/com/iluwatar/nullobject/NullNodeTest.java
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@ -23,19 +23,15 @@
package com.iluwatar.nullobject;
import org.junit.Test;
import org.mockito.Mockito;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.*;
/**
* Date: 12/26/15 - 11:47 PM
*
* @author Jeroen Meulemeester
*/
public class NullNodeTest extends StdOutTest {
public class NullNodeTest {
/**
* Verify if {@link NullNode#getInstance()} actually returns the same object instance
@ -59,7 +55,6 @@ public class NullNodeTest extends StdOutTest {
@Test
public void testWalk() throws Exception {
NullNode.getInstance().walk();
Mockito.verifyZeroInteractions(getStdOutMock());
}
}
}

76
null-object/src/test/java/com/iluwatar/nullobject/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.nullobject;
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 walking through the tree has no
* influence on any other accessible object, 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;
}
}

68
null-object/src/test/java/com/iluwatar/nullobject/TreeTest.java
View File

@ -22,20 +22,37 @@
*/
package com.iluwatar.nullobject;
import ch.qos.logback.classic.Logger;
import ch.qos.logback.classic.spi.ILoggingEvent;
import ch.qos.logback.core.AppenderBase;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.mockito.InOrder;
import org.mockito.Mockito;
import org.slf4j.LoggerFactory;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertSame;
import java.util.LinkedList;
import java.util.List;
import static org.junit.Assert.*;
/**
* Date: 12/26/15 - 11:44 PM
*
* @author Jeroen Meulemeester
*/
public class TreeTest extends StdOutTest {
public class TreeTest {
private InMemoryAppender appender;
@Before
public void setUp() {
appender = new InMemoryAppender();
}
@After
public void tearDown() {
appender.stop();
}
/**
* During the tests, the same tree structure will be used, shown below. End points will be
@ -79,15 +96,14 @@ public class TreeTest extends StdOutTest {
public void testWalk() {
TREE_ROOT.walk();
final InOrder inOrder = Mockito.inOrder(getStdOutMock());
inOrder.verify(getStdOutMock()).println("root");
inOrder.verify(getStdOutMock()).println("level1_a");
inOrder.verify(getStdOutMock()).println("level2_a");
inOrder.verify(getStdOutMock()).println("level3_a");
inOrder.verify(getStdOutMock()).println("level3_b");
inOrder.verify(getStdOutMock()).println("level2_b");
inOrder.verify(getStdOutMock()).println("level1_b");
inOrder.verifyNoMoreInteractions();
assertTrue(appender.logContains("root"));
assertTrue(appender.logContains("level1_a"));
assertTrue(appender.logContains("level2_a"));
assertTrue(appender.logContains("level3_a"));
assertTrue(appender.logContains("level3_b"));
assertTrue(appender.logContains("level2_b"));
assertTrue(appender.logContains("level1_b"));
assertEquals(7, appender.getLogSize());
}
@Test
@ -120,4 +136,26 @@ public class TreeTest extends StdOutTest {
assertSame(NullNode.getInstance(), level1.getLeft());
}
private class InMemoryAppender extends AppenderBase<ILoggingEvent> {
private List<ILoggingEvent> log = new LinkedList<>();
public InMemoryAppender() {
((Logger) LoggerFactory.getLogger("root")).addAppender(this);
start();
}
@Override
protected void append(ILoggingEvent eventObject) {
log.add(eventObject);
}
public boolean logContains(String message) {
return log.stream().anyMatch(event -> event.getMessage().equals(message));
}
public int getLogSize() {
return log.size();
}
}
}