testing-modules/junit-4/src/test/java/com/baeldung/junitparams/SafeAdditionUtilUnitTest.java - master - NikolayIvkin/tutorials1

testing-modules/junit-4/src/test/java/com/baeldung/junitparams/SafeAdditionUtilUnitTest.java

54 строки2 KB

Eric Martin

Merge pull request #8125 from eugenp/revert-8119-BAEL-3275-2

01 ноя 2019, 04:43

01 ноя 2019, 04:433225470

package com.baeldung.junitparams;

import junitparams.FileParameters;
import junitparams.JUnitParamsRunner;
import junitparams.Parameters;
import org.junit.Test;
import org.junit.runner.RunWith;

import static org.junit.Assert.assertEquals;

@RunWith(JUnitParamsRunner.class)
public class SafeAdditionUtilUnitTest {

    private SafeAdditionUtil serviceUnderTest = new SafeAdditionUtil();

    @Test
    @Parameters({"1, 2, 3", "-10, 30, 20", "15, -5, 10", "-5, -10, -15"})
    public void whenWithAnnotationProvidedParams_thenSafeAdd(int a, int b, int expectedValue) {
        assertEquals(expectedValue, serviceUnderTest.safeAdd(a, b));
    }

    @Test
    @Parameters(method = "parametersToTestAdd")
    public void whenWithNamedMethod_thendSafeAdd(int a, int b, int expectedValue) {
        assertEquals(expectedValue, serviceUnderTest.safeAdd(a, b));
    }

    private Object[] parametersToTestAdd() {
        return new Object[]{new Object[]{1, 2, 3}, new Object[]{-10, 30, 20}, new Object[]{Integer.MAX_VALUE, 2, Integer.MAX_VALUE}, new Object[]{Integer.MIN_VALUE, -8, Integer.MIN_VALUE}};
    }

    @Test
    @Parameters
    public void whenWithnoParam_thenLoadByNameSafeAdd(int a, int b, int expectedValue) {
        assertEquals(expectedValue, serviceUnderTest.safeAdd(a, b));
    }

    private Object[] parametersForWhenWithnoParam_thenLoadByNameSafeAdd() {
        return new Object[]{new Object[]{1, 2, 3}, new Object[]{-10, 30, 20}, new Object[]{Integer.MAX_VALUE, 2, Integer.MAX_VALUE}, new Object[]{Integer.MIN_VALUE, -8, Integer.MIN_VALUE}};
    }

    @Test
    @Parameters(source = TestDataProvider.class)
    public void whenWithNamedClass_thenSafeAdd(int a, int b, int expectedValue) {
        assertEquals(expectedValue, serviceUnderTest.safeAdd(a, b));
    }

    @Test
    @FileParameters("src/test/resources/JunitParamsTestParameters.csv")
    public void whenWithCsvFile_thenSafeAdd(int a, int b, int expectedValue) {
        assertEquals(expectedValue, serviceUnderTest.safeAdd(a, b));
    }

}