How to use testStarted method of junit.textui.TestRunner class

Best junit code snippet using junit.textui.TestRunner.testStarted

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...77 return new StandardTestSuiteLoader();78 }79 public void testFailed(int status, Test test, Throwable t) {80 }81 public void testStarted(String testName) {82 }83 public void testEnded(String testName) {84 }85 /​**86 * Creates the TestResult to be used for the test run.87 */​88 protected TestResult createTestResult() {89 return new TestResult();90 }91 public TestResult doRun(Test test) {92 return doRun(test, false);93 }94 public TestResult doRun(Test suite, boolean wait) {95 TestResult result = createTestResult();...

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...8 public static void run(java.lang.Class<? extends junit.framework.TestCase>);9 public static junit.framework.TestResult run(junit.framework.Test);10 public static void runAndWait(junit.framework.Test);11 public void testFailed(int, junit.framework.Test, java.lang.Throwable);12 public void testStarted(java.lang.String);13 public void testEnded(java.lang.String);14 protected junit.framework.TestResult createTestResult();15 public junit.framework.TestResult doRun(junit.framework.Test);16 public junit.framework.TestResult doRun(junit.framework.Test, boolean);17 protected void pause(boolean);18 public static void main(java.lang.String[]);19 public junit.framework.TestResult start(java.lang.String[]) throws java.lang.Exception;20 protected junit.framework.TestResult runSingleMethod(java.lang.String, java.lang.String, boolean) throws java.lang.Exception;21 protected void runFailed(java.lang.String);22 public void setPrinter(junit.textui.ResultPrinter);23}...

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1import junit.framework.Test;2import junit.framework.TestResult;3import junit.textui.TestRunner;4public class TestRunnerTest extends TestRunner {5 public void testStarted(String testName) {6 System.out.println("Test started: " + testName);7 }8 public static Test suite() {9 return new TestSuite(TestRunnerTest.class);10 }11 public static void main(String[] args) {12 TestRunner runner = new TestRunnerTest();13 runner.doRun(suite());14 }15}16package com.journaldev.junit;17import static org.junit.Assert.assertEquals;18import org.junit.Test;19public class TestRunnerTest {20 public void testSum() {21 System.out.println("Test sum");22 int a = 1, b = 2;23 assertEquals(3, a + b);24 }25 public void testDiff() {26 System.out.println("Test diff");27 int a = 2, b = 1;28 assertEquals(1, a - b);29 }30}31import junit.framework.Test;32import junit.framework.TestResult;33import junit.textui.TestRunner;34public class TestRunnerTest extends TestRunner {35 public void testEnded(String testName) {36 System.out.println("Test ended: " + testName);37 }38 public static Test suite() {39 return new TestSuite(TestRunnerTest.class);40 }41 public static void main(String[] args) {42 TestRunner runner = new TestRunnerTest();43 runner.doRun(suite());44 }45}

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testStarted

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1import junit.textui.TestRunner;2import junit.framework.Test;3import junit.framework.TestCase;4import junit.framework.TestSuite;5import junit.framework.TestResult;6import junit.framework.TestListener;7public class TestRunnerTest extends TestCase {8 private TestResult testResult;9 private TestListener listener;10 private Test test;11 protected void setUp() {12 testResult = new TestResult();13 test = new TestSuite(CountingTestCase.class);14 listener = new TestListener() {15 public void addError(Test test, Throwable t) {16 }17 public void addFailure(Test test, AssertionFailedError t) {18 }19 public void endTest(Test test) {20 }21 public void startTest(Test test) {22 }23 };24 testResult.addListener(listener);25 }26 public void testRun() {27 TestRunner.run(testResult, test);28 assertEquals(1, testResult.runCount());29 }30 public void testStart() {31 TestRunner.run(testResult, test);32 assertEquals(1, testResult.runCount());33 }34 public void testTestStarted() {35 TestRunner.run(testResult, test);36 assertEquals(1, testResult.runCount());37 }38}39import junit.framework.TestCase;40public class CountingTestCase extends TestCase {41 public void testOne() {42 }43}

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testStarted

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1import junit.framework.Test;2import junit.framework.TestCase;3import junit.framework.TestResult;4import junit.framework.TestSuite;5import junit.textui.TestRunner;6public class TestRunner1 extends TestRunner {7public static void main(String[] args) {8TestRunner1 runner = new TestRunner1();9TestResult result = runner.doRun(new TestSuite(TestJunit1.class));10System.exit(result.errorCount() + result.failureCount());11}12public TestResult doRun(Test suite) {13TestResult result = createTestResult();14long startTime = System.currentTimeMillis();15result.addListener(this);16suite.run(result);17long endTime = System.currentTimeMillis();18long runTime = endTime - startTime;19System.out.println("Time taken to execute all test cases: " + runTime + " ms");20return result;21}22public void testStarted(String testName) {23long startTime = System.currentTimeMillis();24System.out.println("Start time of test case: " + startTime);25}26public void testEnded(String testName) {27long endTime = System.currentTimeMillis();28System.out.println("End time of test case: " + endTime);29}30public void testFailed(int status, Test test, Throwable t) {31System.out.println("Test failed: " + test);32}33}

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1import junit.framework.*;2import java.lang.reflect.*;3public class TestRunner extends junit.textui.TestRunner {4 public static void main(String[] args) {5 TestRunner runner = new TestRunner();6 TestResult result = runner.start(args);7 System.exit(result.errorCount() + result.failureCount());8 }9 public TestResult start(String[] args) {10 TestResult result = createTestResult();11 String testCase = getTestClassName(args);12 Test suite = getTest(testCase);13 result.addListener(this);14 long startTime = System.currentTimeMillis();15 suite.run(result);16 long endTime = System.currentTimeMillis();17 long runTime = endTime-startTime;18 return result;19 }20 public void testStarted(String testName) {21 System.out.println("Running: " + testName);22 }23 public void addError(Test test, Throwable t) {24 System.out.println("Error: " + t.getMessage());25 }26 public void addFailure(Test test, AssertionFailedError t) {27 System.out.println("Failed: " + t.getMessage());28 }29}30import junit.framework.*;31import java.lang.reflect.*;32public class TestRunner extends junit.textui.TestRunner {33 public static void main(String[] args) {34 TestRunner runner = new TestRunner();35 TestResult result = runner.start(args);36 System.exit(result.errorCount() + result.failureCount());37 }38 public TestResult start(String[] args) {39 TestResult result = createTestResult();40 String testCase = getTestClassName(args);41 Test suite = getTest(testCase);42 result.addListener(this);43 long startTime = System.currentTimeMillis();44 suite.run(result);45 long endTime = System.currentTimeMillis();46 long runTime = endTime-startTime;47 return result;48 }49 public void testStarted(String testName) {50 System.out.println("Running: " + testName);51 }52 public void addError(Test test, Throwable t) {53 System.out.println("Error: " + t.getMessage());54 }55 public void addFailure(Test test, AssertionFailedError t) {56 System.out.println("Failed: " + t.getMessage());57 }58}59import junit.framework.*;60import

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Had the same message. I had to remove the Run/Debug configuration.

In my case, I ran the unit test as a local test before. After that I moved my test to the androidTest package and tried to run it again. Android Studio remembered the last run configuration so it tried to run it again as a local unit test which produced the same error.

After removing the config and running the test again it generated a new configuration and worked.

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https://stackoverflow.com/questions/39282282/class-not-found-empty-test-suite-in-intellij

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