initial release

.gitignore

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+/.metadata/

README.md

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+# 자바와 JUnit을 활용한 실용주의 단위 테스트(길벗, 2019)
+
+- 이 책의 모든 예제 코드는 자바 8을 기준으로 합니다.
+- 일부 예제 코드는 일부러 오류가 발생하도록 작성된 것도 있습니다.

iloveyouboss_01/.classpath

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+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>

iloveyouboss_01/.project

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+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>iloveyouboss_1</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>

iloveyouboss_01/.settings/org.eclipse.jdt.core.prefs

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+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.debug.lineNumber=generate
+org.eclipse.jdt.core.compiler.debug.localVariable=generate
+org.eclipse.jdt.core.compiler.debug.sourceFile=generate
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
+org.eclipse.jdt.core.compiler.source=1.8

iloveyouboss_01/src/iloveyouboss/ScoreCollection.java

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+/***
+ * Excerpted from "Pragmatic Unit Testing in Java with JUnit",
+ * published by The Pragmatic Bookshelf.
+ * Copyrights apply to this code. It may not be used to create training material, 
+ * courses, books, articles, and the like. Contact us if you are in doubt.
+ * We make no guarantees that this code is fit for any purpose. 
+ * Visit http://www.pragmaticprogrammer.com/titles/utj2 for more book information.
+***/
+package iloveyouboss;
+
+import java.util.*;
+
+public class ScoreCollection {
+   private List<Scoreable> scores = new ArrayList<>();
+
+   public void add(Scoreable scoreable) {
+      scores.add(scoreable);
+   }
+
+   public int arithmeticMean() {
+      int total = scores.stream().mapToInt(Scoreable::getScore).sum();
+      return total / scores.size();
+   }
+}

iloveyouboss_01/src/iloveyouboss/Scoreable.java

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+/***
+ * Excerpted from "Pragmatic Unit Testing in Java with JUnit",
+ * published by The Pragmatic Bookshelf.
+ * Copyrights apply to this code. It may not be used to create training material, 
+ * courses, books, articles, and the like. Contact us if you are in doubt.
+ * We make no guarantees that this code is fit for any purpose. 
+ * Visit http://www.pragmaticprogrammer.com/titles/utj2 for more book information.
+***/
+package iloveyouboss;
+
+@FunctionalInterface
+public interface Scoreable {
+   int getScore();
+}

iloveyouboss_02/.classpath

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+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="src" path="test"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.junit.JUNIT_CONTAINER/4"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>

iloveyouboss_02/.project

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+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>iloveyouboss_2</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>

iloveyouboss_02/.settings/org.eclipse.jdt.core.prefs

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+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.debug.lineNumber=generate
+org.eclipse.jdt.core.compiler.debug.localVariable=generate
+org.eclipse.jdt.core.compiler.debug.sourceFile=generate
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
+org.eclipse.jdt.core.compiler.source=1.8

iloveyouboss_02/src/iloveyouboss/ScoreCollection.java

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+/***
+ * Excerpted from "Pragmatic Unit Testing in Java with JUnit",
+ * published by The Pragmatic Bookshelf.
+ * Copyrights apply to this code. It may not be used to create training material, 
+ * courses, books, articles, and the like. Contact us if you are in doubt.
+ * We make no guarantees that this code is fit for any purpose. 
+ * Visit http://www.pragmaticprogrammer.com/titles/utj2 for more book information.
+***/
+package iloveyouboss;
+
+import java.util.*;
+
+public class ScoreCollection {
+   private List<Scoreable> scores = new ArrayList<>();
+
+   public void add(Scoreable scoreable) {
+      scores.add(scoreable);
+   }
+
+   public int arithmeticMean() {
+      int total = scores.stream().mapToInt(Scoreable::getScore).sum();
+      return total / scores.size();
+   }
+}

iloveyouboss_02/src/iloveyouboss/Scoreable.java

@@ -0,0 +1,14 @@
+/***
+ * Excerpted from "Pragmatic Unit Testing in Java with JUnit",
+ * published by The Pragmatic Bookshelf.
+ * Copyrights apply to this code. It may not be used to create training material, 
+ * courses, books, articles, and the like. Contact us if you are in doubt.
+ * We make no guarantees that this code is fit for any purpose. 
+ * Visit http://www.pragmaticprogrammer.com/titles/utj2 for more book information.
+***/
+package iloveyouboss;
+
+@FunctionalInterface
+public interface Scoreable {
+   int getScore();
+}

iloveyouboss_02/test/iloveyouboss/ScoreCollectionTest.java

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+/***
+ * Excerpted from "Pragmatic Unit Testing in Java with JUnit",
+ * published by The Pragmatic Bookshelf.
+ * Copyrights apply to this code. It may not be used to create training material, 
+ * courses, books, articles, and the like. Contact us if you are in doubt.
+ * We make no guarantees that this code is fit for any purpose. 
+ * Visit http://www.pragmaticprogrammer.com/titles/utj2 for more book information.
+***/
+package iloveyouboss;
+
+import static org.junit.Assert.*;  //(1)
+import org.junit.*;                //(2)
+
+public class ScoreCollectionTest { //(3)
+
+   @Test                           //(4)
+   public void test() {            //(5)
+      fail("Not yet implemented"); //(6)
+   }
+
+}

iloveyouboss_03/.classpath

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="src" path="test"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.junit.JUNIT_CONTAINER/4"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>

iloveyouboss_03/.project

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>iloveyouboss_3</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>

iloveyouboss_03/.settings/org.eclipse.jdt.core.prefs

@@ -0,0 +1,11 @@
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.debug.lineNumber=generate
+org.eclipse.jdt.core.compiler.debug.localVariable=generate
+org.eclipse.jdt.core.compiler.debug.sourceFile=generate
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
+org.eclipse.jdt.core.compiler.source=1.8

iloveyouboss_03/src/iloveyouboss/ScoreCollection.java

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+/***
+ * Excerpted from "Pragmatic Unit Testing in Java with JUnit",
+ * published by The Pragmatic Bookshelf.
+ * Copyrights apply to this code. It may not be used to create training material, 
+ * courses, books, articles, and the like. Contact us if you are in doubt.
+ * We make no guarantees that this code is fit for any purpose. 
+ * Visit http://www.pragmaticprogrammer.com/titles/utj2 for more book information.
+***/
+package iloveyouboss;
+
+import java.util.*;
+
+public class ScoreCollection {
+   private List<Scoreable> scores = new ArrayList<>();
+
+   public void add(Scoreable scoreable) {
+      scores.add(scoreable);
+   }
+
+   public int arithmeticMean() {
+      int total = scores.stream().mapToInt(Scoreable::getScore).sum();
+      return total / scores.size();
+   }
+}

iloveyouboss_03/src/iloveyouboss/Scoreable.java

@@ -0,0 +1,14 @@
+/***
+ * Excerpted from "Pragmatic Unit Testing in Java with JUnit",
+ * published by The Pragmatic Bookshelf.
+ * Copyrights apply to this code. It may not be used to create training material, 
+ * courses, books, articles, and the like. Contact us if you are in doubt.
+ * We make no guarantees that this code is fit for any purpose. 
+ * Visit http://www.pragmaticprogrammer.com/titles/utj2 for more book information.
+***/
+package iloveyouboss;
+
+@FunctionalInterface
+public interface Scoreable {
+   int getScore();
+}

iloveyouboss_03/test/iloveyouboss/ScoreCollectionTest.java

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+/***
+ * Excerpted from "Pragmatic Unit Testing in Java with JUnit",
+ * published by The Pragmatic Bookshelf.
+ * Copyrights apply to this code. It may not be used to create training material, 
+ * courses, books, articles, and the like. Contact us if you are in doubt.
+ * We make no guarantees that this code is fit for any purpose. 
+ * Visit http://www.pragmaticprogrammer.com/titles/utj2 for more book information.
+***/
+package iloveyouboss;
+
+import static org.junit.Assert.*;
+import org.junit.*;
+
+public class ScoreCollectionTest {
+   @Test
+   public void test() {
+   }
+}

iloveyouboss_04/.classpath

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="src" path="test"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.junit.JUNIT_CONTAINER/4"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>

iloveyouboss_04/.project

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>iloveyouboss_4</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>

iloveyouboss_04/.settings/org.eclipse.jdt.core.prefs

@@ -0,0 +1,11 @@
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.debug.lineNumber=generate
+org.eclipse.jdt.core.compiler.debug.localVariable=generate
+org.eclipse.jdt.core.compiler.debug.sourceFile=generate
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
+org.eclipse.jdt.core.compiler.source=1.8

iloveyouboss_04/src/iloveyouboss/ScoreCollection.java

@@ -0,0 +1,24 @@
+/***
+ * Excerpted from "Pragmatic Unit Testing in Java with JUnit",
+ * published by The Pragmatic Bookshelf.
+ * Copyrights apply to this code. It may not be used to create training material, 
+ * courses, books, articles, and the like. Contact us if you are in doubt.
+ * We make no guarantees that this code is fit for any purpose. 
+ * Visit http://www.pragmaticprogrammer.com/titles/utj2 for more book information.
+***/
+package iloveyouboss;
+
+import java.util.*;
+
+public class ScoreCollection {
+   private List<Scoreable> scores = new ArrayList<>();
+
+   public void add(Scoreable scoreable) {
+      scores.add(scoreable);
+   }
+
+   public int arithmeticMean() {
+      int total = scores.stream().mapToInt(Scoreable::getScore).sum();
+      return total / scores.size();
+   }
+}

iloveyouboss_04/src/iloveyouboss/Scoreable.java

@@ -0,0 +1,14 @@
+/***
+ * Excerpted from "Pragmatic Unit Testing in Java with JUnit",
+ * published by The Pragmatic Bookshelf.
+ * Copyrights apply to this code. It may not be used to create training material, 
+ * courses, books, articles, and the like. Contact us if you are in doubt.
+ * We make no guarantees that this code is fit for any purpose. 
+ * Visit http://www.pragmaticprogrammer.com/titles/utj2 for more book information.
+***/
+package iloveyouboss;
+
+@FunctionalInterface
+public interface Scoreable {
+   int getScore();
+}

iloveyouboss_04/test/iloveyouboss/ScoreCollectionTest.java

@@ -0,0 +1,29 @@
+/***
+ * Excerpted from "Pragmatic Unit Testing in Java with JUnit",
+ * published by The Pragmatic Bookshelf.
+ * Copyrights apply to this code. It may not be used to create training material, 
+ * courses, books, articles, and the like. Contact us if you are in doubt.
+ * We make no guarantees that this code is fit for any purpose. 
+ * Visit http://www.pragmaticprogrammer.com/titles/utj2 for more book information.
+***/
+package iloveyouboss;
+
+import static org.junit.Assert.*;
+import static org.hamcrest.CoreMatchers.*; 
+import org.junit.*;
+
+public class ScoreCollectionTest {
+   @Test
+   public void answersArithmeticMeanOfTwoNumbers() {
+      // Arrange
+      ScoreCollection collection = new ScoreCollection();
+      collection.add(() -> 5);
+      collection.add(() -> 7);
+
+      // Act
+      int actualResult = collection.arithmeticMean();
+
+      // Assert
+      assertThat(actualResult, equalTo(6));
+   }
+}