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mLine 138:
Line 138: + + + + + + + + + + + + + + + + + + + + + − // Set up − DemoUtils demoUtils = new DemoUtils(); − int expected = 6; − − + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
→Test example
package com.luv2code.junitdemo;
package com.luv2code.junitdemo;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.Test;
// import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.DisplayNameGeneration;
import org.junit.jupiter.api.DisplayNameGenerator;
import static org.junit.jupiter.api.Assertions.*;
import static org.junit.jupiter.api.Assertions.*;
// https://leeturner.me/posts/building-a-camel-case-junit5-displaynamegenerator/
// @DisplayNameGeneration(DisplayNameGenerator.Simple.class)
// @DisplayNameGeneration(DisplayNameGenerator.ReplaceUnderscores.class)
@DisplayNameGeneration(DisplayNameGenerator.IndicativeSentences.class)
class DemoUtilsTest {
class DemoUtilsTest {
DemoUtils demoUtils;
@BeforeAll
static void setUpClass() {
System.out.println("Cleanup before all tests")
}
@BeforeEach
void setUp{
demoUtils = new DemoUtils();
int expected = 6;
}
@Test
@Test
// @DisplayName("Null and Not Null")
void testEqualsAndNotEquals() {
void testEqualsAndNotEquals() {
// Execute
// Execute
int actual = demoUtils.add(2, 4);
int actual = demoUtils.add(2, 4);
// Assert
// Assert
assertEquals(expected, actual, "2 + 4 must be 6")
assertEquals(expected, actual, "2 + 4 must be 6");
}
@Test
void testNullAndNotNull(){
String str1 = null;
String str2 = "luv2code";
assertNull(demoUtils.checkNull(str1), "Object should be null");
assertNull(demoUtils.checkNull(str2), "Object should not be null");
}
@AfterEach
void tearDownAfterEach(){
System.out.println("Cleanup After each test");
}
@AfterAll
static void cleanUpClass(){
System.out.println("Cleanup After all tests");
}
}
</syntaxhighlight>
==== Custom displayName generator for camelCase with numbers ====
<syntaxhighlight lang="java">
static class ReplaceCamelCaseEmojis extends ReplaceCamelCase {
public ReplaceCamelCaseEmojis() {
}
public String generateDisplayNameForClass(Class<?> testClass) {
return this.replaceWithEmojis(super.generateDisplayNameForClass(testClass));
}
public String generateDisplayNameForNestedClass(Class<?> nestedClass) {
return this.replaceWithEmojis(super.generateDisplayNameForNestedClass(nestedClass));
}
public String generateDisplayNameForMethod(Class<?> testClass, Method testMethod) {
return this.replaceWithEmojis(super.generateDisplayNameForMethod(testClass, testMethod));
}
private String replaceWithEmojis(String name) {
name = name.replaceAll("Camel|camel", "\uD83D\uDC2B");
name = name.replaceAll("Case|case", "\uD83D\uDCBC");
name = name.replaceAll("Display|display", "\uD83D\uDCBB");
name = name.replaceAll("Divisible|divisible", "\u2797");
name = name.replaceAll("Year|year", "\uD83D\uDCC5");
name = name.replaceAll("100", "\uD83D\uDCAF");
return name;
}
}
}
}