JUnit5 & Mockito

Akshat0210
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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
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// {...}
class AssertionsInJUnitFiveTest {
@Test
public void test() throws FileNotFoundException {
try {
success(true);
} catch (AssertionError ae) {
// {...}
}
}
// {...}
}
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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
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// {...}
class HamcrestMatchersTest {
}
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Mockito in JUnit 5

  • Write Mockito Based test case for Messenger class
Mockito in JUnit5
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// {...}
class MessengerTest {
}
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