56 lines
2.1 KiB
Java
56 lines
2.1 KiB
Java
package com.baeldung.junitparams;
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import static org.junit.Assert.*;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import junitparams.FileParameters;
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import junitparams.JUnitParamsRunner;
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import junitparams.Parameters;
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@RunWith(JUnitParamsRunner.class)
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public class SafeAdditionUtilTest {
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private SafeAdditionUtil serviceUnderTest = new SafeAdditionUtil();
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@Test
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@Parameters({ "1, 2, 3", "-10, 30, 20", "15, -5, 10", "-5, -10, -15" })
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public void whenCalledWithAnnotationProvidedParams_thenSafeAddAndReturn(int a, int b, int expectedValue) {
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assertEquals(expectedValue, serviceUnderTest.safeAdd(a, b));
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}
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@Test
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@Parameters(method = "parametersToTestAdd")
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public void whenCalledWithNamedMethod_thendSafeAddAndReturn(int a, int b, int expectedValue) {
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assertEquals(expectedValue, serviceUnderTest.safeAdd(a, b));
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}
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private Object[] parametersToTestAdd() {
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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 } };
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}
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@Test
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@Parameters
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public void whenCalledWithnoParam_thenLoadByNameSafeAddAndReturn(int a, int b, int expectedValue) {
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assertEquals(expectedValue, serviceUnderTest.safeAdd(a, b));
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}
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private Object[] parametersForWhenCalledWithnoParam_thenLoadByNameSafeAddAndReturn() {
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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 } };
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}
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@Test
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@Parameters(source = TestDataProvider.class)
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public void whenCalledWithNamedClass_thenSafeAddAndReturn(int a, int b, int expectedValue) {
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assertEquals(expectedValue, serviceUnderTest.safeAdd(a, b));
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}
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@Test
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@FileParameters("src/test/resources/JunitParamsTestParameters.csv")
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public void whenCalledWithCsvFile_thenSafeAddAndReturn(int a, int b, int expectedValue) {
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assertEquals(expectedValue, serviceUnderTest.safeAdd(a, b));
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}
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}
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