Welcome!
This playground lets you get started quickly with a simple working example using Maven and JUnit5.
Hands-on Exercise
- Write an assertion to compare two String are equal.
- Write an assertion to check null.
- Write an assertion to check equality of two byte array.
Assertions in JUnit5
// { autofold
package com.tu.code.junit5;
import java.io.FileNotFoundException;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertArrayEquals;
import org.junit.jupiter.api.Test;
//}
HamCrest API Matchers
- Write a HamCrest Matcher to check Map has key “John”
- Write a HamCrest Matcher to check Map has entry “John , J”
Using HamCrest in JUnit5
// { autofold
package com.tu.code.junit5;
import java.util.HashMap;
import java.util.Map;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;
import static org.hamcrest.Matchers.hasKey;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.hasEntry;
Mockito in JUnit 5
- Write Mockito Based test case for Messenger class
Mockito in JUnit5
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