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JarjanazyJarjanazy
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add JUnit5 code (thombergs#217)
* add JUnit5 code * modify JUnit5 code
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‎junit/junit5/junit5/pom.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>org.example</groupId>
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<artifactId>junit5</artifactId>
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<version>1.0-SNAPSHOT</version>
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<properties>
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<maven.compiler.source>11</maven.compiler.source>
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<maven.compiler.target>11</maven.compiler.target>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.junit.jupiter</groupId>
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<artifactId>junit-jupiter-api</artifactId>
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<version>5.9.0</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.junit.jupiter</groupId>
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<artifactId>junit-jupiter-params</artifactId>
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<version>5.9.0</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.hamcrest</groupId>
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<artifactId>hamcrest-all</artifactId>
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<version>1.3</version>
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<scope>test</scope>
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</dependency>
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</dependencies>
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</project>

‎junit/junit5/junit5/src/main/java/Cat.java

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public class Cat {
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private String name;
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public Cat(String name) {
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this.name = name;
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}
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public String getName() {
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return name;
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}
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public Cat() {
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}
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}

‎junit/junit5/junit5/src/main/java/GoldFish.java

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public class GoldFish {
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private String name;
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private int age;
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public GoldFish(String name, int age) {
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this.name = name;
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this.age = age;
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}
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public int calculateSpeed() {
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if (age == 0){
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throw new RuntimeException("This will fail :((");
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}
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return 10 / age;
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}
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public String getName() {
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return name;
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}
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public int getAge() {
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return age;
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}
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}

‎junit/junit5/junit5/src/test/java/CatTest.java

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import org.junit.jupiter.api.Test;
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import java.util.List;
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import static java.util.Arrays.asList;
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import static org.hamcrest.MatcherAssert.assertThat;
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import static org.hamcrest.Matchers.*;
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public class CatTest {
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@Test
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public void testMeow() {
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String catName = "Stilla";
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int catAge = 3;
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boolean isNice = false;
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assertThat(catName, equalTo("Stilla"));
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assertThat(catAge, lessThan(5));
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assertThat(isNice, is(false));
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}
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@Test
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public void testCatInstance() {
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Cat cat = new Cat();
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assertThat(cat, instanceOf(Cat.class));
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}
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@Test
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public void testSameCatInstance() {
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Cat cat = new Cat();
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assertThat(cat, sameInstance(cat));
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}
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@Test
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public void testCollectionContaining() {
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List<String> catNames = asList("Phibi", "Monica", "Stilla");
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assertThat(catNames, hasItems("Monica", "Phibi"));
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assertThat(catNames, not(hasItems("Melih")));
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}
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@Test
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public void testCollectionSize() {
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List<String> catNames = asList("Phibi", "Monica");
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assertThat(catNames, hasSize(2));
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}
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@Test
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public void testBean() {
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Cat cat = new Cat("Mimi");
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assertThat(cat, hasProperty("name", equalTo("Mimi")));
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}
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@Test
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public void testStringEquality() {
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String catNameInCaps = "RACHEL";
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assertThat(catNameInCaps, equalToIgnoringCase("rachel"));
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}
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@Test
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public void testStringContains() {
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String catName = "Joey The Cute";
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assertThat(catName, containsString("Cute"));
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}
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}

‎junit/junit5/junit5/src/test/java/DogTest.java

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import org.junit.jupiter.api.*;
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import static org.junit.jupiter.api.Assertions.*;
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public class DogTest {
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@BeforeAll
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public static void init() {
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System.out.println("Doing stuff");
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}
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@BeforeEach
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public void doEach() {
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System.out.println("Hey Doggo");
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}
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@AfterAll
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public static void finish() {
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System.out.println("Finishing stuff");
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}
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@AfterEach
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public void doAfterEach() {
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System.out.println("Bye Doggo");
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}
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@Test
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public void barkFailure() {
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String expectedString = "Meow";
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assertEquals(expectedString, "Woof");
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}
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@Disabled("Dog 1 please don't woof")
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@Test
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public void testBark1() {
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String expectedString = "woof1";
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assertEquals(expectedString, "woof1");
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System.out.println("WOOF => 1");
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}
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@Test
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public void testBark2() {
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String expectedString = "woof2";
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assertEquals(expectedString, "woof2");
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System.out.println("WOOF => 2");
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}
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@Test
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public void testNotBark() {
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String unexpectedString = "";
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assertNotEquals(unexpectedString, "woof");
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System.out.println("Didn't woof!!");
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}
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@Test
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public void nullCheck() {
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Object dog = null;
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assertNull(dog);
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System.out.println("Null dog :(");
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}
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@Test
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public void nonNullCheck() {
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String dog = "Max";
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assertNotNull(dog);
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System.out.println("Hey I am " + dog);
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}
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@Test
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public void trueCheck() {
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int dogAge = 2;
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assertTrue(dogAge < 5);
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System.out.println("I am young :)");
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}
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@Test
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public void falseCheck() {
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int dogAge = 7;
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assertFalse(dogAge < 5);
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System.out.println("I am old :(");
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}
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}

‎junit/junit5/junit5/src/test/java/GoldFishTest.java

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import org.junit.jupiter.api.Test;
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import org.junit.jupiter.params.ParameterizedTest;
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import org.junit.jupiter.params.provider.Arguments;
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import org.junit.jupiter.params.provider.MethodSource;
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import java.util.stream.Stream;
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import static org.hamcrest.MatcherAssert.assertThat;
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import static org.hamcrest.Matchers.equalToIgnoringCase;
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import static org.junit.jupiter.api.Assertions.assertThrows;
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import static org.junit.jupiter.api.Assertions.assertTrue;
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import static org.junit.jupiter.api.Assumptions.assumeTrue;
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public class GoldFishTest {
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@Test
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public void testBooleanAssumption() {
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GoldFish goldFish = new GoldFish("Windows Jelly", 1);
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assumeTrue(System.getProperty("os.name").contains("Windows"));
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assertThat(goldFish.getName(), equalToIgnoringCase("Windows Jelly"));
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}
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@Test
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public void testBooleanAssert() {
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GoldFish goldFish = new GoldFish("Windows Jelly", 1);
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assert(System.getProperty("os.name").contains("Windows"));
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assertThat(goldFish.getName(), equalToIgnoringCase("Windows Jelly"));
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}
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@Test
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public void testException() {
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GoldFish goldFish = new GoldFish("Goldy", 0);
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RuntimeException exception = assertThrows(RuntimeException.class, goldFish::calculateSpeed);
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assertThat(exception.getMessage(), equalToIgnoringCase("This will fail :(("));
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}
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@ParameterizedTest
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@MethodSource("provideFishes")
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public void parameterizedTest(GoldFish goldFish) {
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assertTrue(goldFish.getAge() >= 1);
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}
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private static Stream<Arguments> provideFishes() {
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return Stream.of(
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Arguments.of(new GoldFish("Browny", 1)),
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Arguments.of(new GoldFish("Greeny", 2))
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);
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}
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}

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