java junit test
import org.junit.Assert;
import org.junit.Test;
public class Test {
public static int square(int n) {
return n * n;
}
@Test
public void squareTest() {
Assert.assertEquals(25, square(5));
Assert.assertEquals(16, square(4));
Assert.assertEquals(9, square(3));
Assert.assertEquals(4, square(2));
Assert.assertEquals(1, square(1));
}
}how to write a junit test case in java
import static org.junit.jupiter.api.Assertions.assertEquals;
import org.junit.jupiter.api.Test;
public class MyTests {
@Test
public void multiplicationOfZeroIntegersShouldReturnZero() {
MyClass tester = new MyClass(); // MyClass is tested
// assert statements
assertEquals(0, tester.multiply(10, 0), "10 x 0 must be 0");
assertEquals(0, tester.multiply(0, 10), "0 x 10 must be 0");
assertEquals(0, tester.multiply(0, 0), "0 x 0 must be 0");
}
}@test annotation in junit
# Used in JAVA
public class Example {
@Test
public void method() {
org.junit.Assert.assertTrue( new ArrayList().isEmpty() );
}
}difference between junit and testng
-Annotations;
JUnit --> @Test, @BeforeClass, @AfterClass, @Before, @After, @Ignore
TestNG --> @Test, @BeforeTest, @BeforeClass, @BeforeSuite, @BeforeMethod,
@AfterTest, @AfterClass, @AfterSuite, @AfterMethod
-Both are testing framework to help us running automation scripts.
-TestNG provide HTML report.
-TestNG has @DataProvider annotation same as Cucumber Scenario Outline for DDT
-Both We can do parallel testing, but in different way. In TestNG we use XML
runner. In JUnit we use Maven Surefire Plugins.
-TestNG support group test but JUNit doesn't support.
-TestNG and JUnit both of them have parameterized testing but TestNG
parameterizedd test configuration is very easy to configure. There are two ways
to achieve it in TestNG;
@Parameters and TestNG xml file
@DataProviderCopyright © 2021 Codeinu
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