How to use startTest method of junit.runner.BaseTestRunner class

Best junit code snippet using junit.runner.BaseTestRunner.startTest

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...113 */​114 public void endTest(Test test) {115 }116 /​**117 * @see junit.framework.TestListener#startTest(Test)118 */​119 public void startTest(Test test) {120 getWriter().print(".");121 if (fColumn++ >= 40) {122 getWriter().println();123 fColumn= 0;124 }125 }126}...

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...33 public synchronized void addFailure(Test test, AssertionFailedError t) {34 externalListener.addFailure(test, t);35 }36 37 public synchronized void startTest(Test test) {38 externalListener.startTest(test);39 }40 public void endTest(Test test) {41 externalListener.endTest(test);42 }43 44 protected void runFailed(String message) {45 externalListener.runFailed(message);46 }47 protected void clearStatus() {48 externalListener.clearStatus();49 }50 /​** Get the freshest loaded class. Uses the CompilerProxy to get it. */​51 public Test getTest(String testClass) {52 return new TestSuite(ERXPatcher.classForName(testClass));...

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...40 }41 super.endTest(test);42 }43 @Override44 public void startTest(Test test) {45 mFailure = false;46 mError = false;47 super.startTest(test);48 }49 50 private String getComboName(Test test) {51 return test.getClass().getName() + ":" + ((TestCase) test).getName();52 }53 54}...

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startTest

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1import junit.runner.BaseTestRunner;2public class TestRunner extends BaseTestRunner {3 public static void main(String[] args) {4 startTest(new TestSuite(ExampleTest.class));5 }6}7import junit.textui.TestRunner;8public class TestRunner {9 public static void main(String[] args) {10 TestRunner.run(ExampleTest.class);11 }12}

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startTest

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1import java.lang.reflect.InvocationTargetException;2import java.lang.reflect.Method;3import java.util.ArrayList;4import java.util.List;5import junit.framework.Test;6import junit.framework.TestCase;7import junit.framework.TestResult;8import junit.framework.TestSuite;9import org.junit.runner.Description;10import org.junit.runner.JUnitCore;11import org.junit.runner.Request;12import org.junit.runner.Result;13import org.junit.runner.notification.Failure;14import org.junit.runner.notification.RunListener;15public class JUnitRunner {16 public static void main(String[] args) throws ClassNotFoundException,17 IllegalArgumentException, InvocationTargetException {18 String testClass = "junit.framework.TestSuite";19 Class<?> clazz = Class.forName(testClass);20 Object obj = clazz.newInstance();21 Method method = null;22 Test test = null;23 if (obj instanceof TestSuite) {24 method = clazz.getMethod("addTestSuite", Class.class);25 method.invoke(obj, JUnitRunner.class);26 test = (Test) obj;27 } else if (obj instanceof TestCase) {28 test = (Test) obj;29 }30 TestResult testResult = new TestResult();31 test.run(testResult);32 System.out.println("Run count: " + testResult.runCount());33 System.out.println("Failure count: " + testResult.failureCount());34 System.out.println("Error count: " + testResult.errorCount());35 System.out.println("Ignore count: " + testResult.errorCount());36 System.out.println("Was successful: " + testResult.wasSuccessful());37 System.out.println("Failures: " + testResult.failures());38 System.out.println("Errors: " + testResult.errors());39 System.out.println("Run time: " + testResult.runTime());40 System.out.println("Stop time: " + testResult.stopTime());41 System.out.println("Start time: " + testResult.startTime());42 System.out.println("Test run: " + testResult.testRun());43 System.out.println("Test: " + testResult.test());44 System.out.println("Test case count: " + testResult.testCaseCount());45 System.out.println("Test count: " + testResult.testCount());46 System.out.println("Run tests: " + testResult.runTests());

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startTest

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1import junit.runner.BaseTestRunner;2import java.lang.reflect.Method;3import java.lang.reflect.InvocationTargetException;4import java.io.IOException;5import java.io.OutputStream;6import java.io.ByteArrayOutputStream;7import java.io.PrintStream;8import java.io.File;9import java.io.FileWriter;10import java.io.BufferedWriter;11import java.io.PrintWriter;12public class RunTest {13 public static void main(String[] args) throws Exception {14 String testClass = args[0];15 String output = args[1];16 Class<?> clazz = Class.forName(testClass);17 Method m = clazz.getMethod("suite");18 Object suite = m.invoke(null);19 String result = runTest(suite);20 writeResult(result, output);21 }22 private static String runTest(Object suite) throws Exception {23 ByteArrayOutputStream baos = new ByteArrayOutputStream();24 PrintStream ps = new PrintStream(baos);25 BaseTestRunner.run(suite, false, true, false, ps);26 ps.close();27 return baos.toString();28 }29 private static void writeResult(String result, String output) throws Exception {30 File file = new File(output);31 file.getParentFile().mkdirs();32 PrintWriter pw = new PrintWriter(new BufferedWriter(new FileWriter(file)));33 pw.print(result);34 pw.close();35 }36}37OK (0 tests)

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startTest

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1import junit.framework.Test;2import junit.framework.TestSuite;3import junit.runner.BaseTestRunner;4import java.io.File;5import java.io.FileOutputStream;6import java.io.OutputStreamWriter;7import java.io.IOException;8import java.io.PrintWriter;9import java.io.Writer;10import java.util.ArrayList;11import java.util.Enumeration;12import java.util.List;13public class RunTests {14 public static void main(String[] args) throws Exception {15 List<String> testClassNames = new ArrayList<String>();16 testClassNames.add("junit.tests.framework.TestAssert");17 testClassNames.add("junit.tests.framework.TestAssertionFailedError");18 testClassNames.add("junit.tests.framework.TestFailure");19 testClassNames.add("junit.tests.framework.TestResult");20 testClassNames.add("junit.tests.framework.TestSuiteTest");21 testClassNames.add("junit.tests.framework.TestTest");22 testClassNames.add("junit.tests.framework.TestTestCase");23 testClassNames.add("junit.tests.framework.AssertionFailedErrorTest");24 testClassNames.add("junit.tests.framework.TestListenerTest");25 testClassNames.add("junit.tests.framework.TestSuiteFailureTest");26 testClassNames.add("junit.tests.framework.TestSuiteWarningTest");27 testClassNames.add("junit.tests.framework.TestAll");28 testClassNames.add("junit.tests.framework.TestSetupTest");29 testClassNames.add("junit.tests.framework.TestSetupTearDownTest");30 testClassNames.add("junit.tests.framework.TestDecoratorTest");31 testClassNames.add("junit.tests.framework.TestCaseTest");32 testClassNames.add("junit.tests.framework.TestResultTest");33 testClassNames.add("junit.tests.framework.AssertionFailedErrorTest");34 testClassNames.add("junit.tests.framework.TestListenerTest");35 testClassNames.add("junit.tests.framework.TestSuiteFailureTest");36 testClassNames.add("junit.tests.framework.TestSuiteWarningTest");37 testClassNames.add("junit.tests.framework.TestAll");38 testClassNames.add("junit.tests.framework.TestSetupTest");39 testClassNames.add("junit.tests.framework.TestSetupTearDownTest");40 testClassNames.add("junit.tests.framework.TestDecoratorTest");41 testClassNames.add("junit.tests.framework.TestCaseTest");42 testClassNames.add("junit.tests.framework.TestResultTest");43 testClassNames.add("junit.tests.framework.AssertionFailedError

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startTest

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1BaseTestRunner.startTest(this, "test1");2BaseTestRunner.endTest(this, "test1");3BaseTestRunner.run(this);4BaseTestRunner.run(this, "test1");5BaseTestRunner.run(this, "test1");6BaseTestRunner.run(this, "test1");7BaseTestRunner.run(this, "test1");8BaseTestRunner.run(this, "test1");9BaseTestRunner.run(this, "test1");10BaseTestRunner.run(this, "test1");11BaseTestRunner.run(this, "test1");12BaseTestRunner.run(this, "test1");13BaseTestRunner.run(this, "test1");

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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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