@Test
public void shouldUnderstandTwoTestsInARow() {
metric.calculate(
toInputStream(
"import a.b.Dep1;"
+ "class BlaTest {"
+ "@Test "
+ "public void aSimpleTest1() {"
+ "Dep1 x = new Dep1();"
+ "Bla obj = new Bla(x, 1, 3.5, \"bla\");"
+ "obj.method1();"
+ "assertEquals(obj.isAbc());"
+ "}"
+ "@Test "
+ "public void aSimpleTest2() {"
+ "Dep2 x = new Dep2();"
+ "Bla obj = new Bla(x, 1, 3.5, \"bla\");"
+ "obj.method1();"
+ "assertEquals(obj.isAbc());"
+ "}"
+ "}"));
assertTrue(metric.getTests().get("aSimpleTest1").isIntegration());
assertFalse(metric.getTests().get("aSimpleTest2").isIntegration());
}
@Test
public void someRealExampleFromJUnit() {
metric.calculate(
toInputStream(
"package org.junit.tests.junit3compatibility;"
+ ""
+ "import static org.junit.Assert.assertNull;"
+ ""
+ "import org.junit.Test;"
+ "import org.junit.internal.builders.SuiteMethodBuilder;"
+ ""
+ "public class ClassRequestTest {"
+ " public static class PrivateSuiteMethod {"
+ " static junit.framework.Test suite() {"
+ " return null;"
+ " }"
+ " }"
+ ""
+ " @Test"
+ " public void noSuiteMethodIfMethodPrivate() throws Throwable {"
+ " assertNull(new SuiteMethodBuilder()"
+ " .runnerForClass(PrivateSuiteMethod.class));"
+ " }"
+ "}"));
assertTrue(metric.getTests().get("noSuiteMethodIfMethodPrivate").isIntegration());
}
@Test
public void shouldTellThatIsUnitTestIfMethodFromSamePackageIsInvokedCompletlelyInline() {
metric.calculate(
toInputStream(
"class BlaTest {"
+ "@Test "
+ "public void aSimpleTest() {"
+ "assertEquals(new Dep1().doMagic());"
+ "}"
+ "}"));
assertFalse(metric.getTests().get("aSimpleTest").isIntegration());
}
@Test
public void
shouldTellThatIsAUnitTestIfConstructorReceivesConcreteAndPrimitiveStuffFromSamePackage() {
metric.calculate(
toInputStream(
"class BlaTest {"
+ "@Test "
+ "public void aSimpleTest() {"
+ "Dep1 x = new Dep1();"
+ "Bla obj = new Bla(x, 1, 3.5, \"bla\");"
+ "obj.method1();"
+ "assertEquals(obj.isAbc());"
+ "}"
+ "}"));
assertFalse(metric.getTests().get("aSimpleTest").isIntegration());
}
@Test
public void shouldTellThatIsAUnitTestIfConcreteMethodFromSamePackageIsInvoked() {
metric.calculate(
toInputStream(
"class BlaTest {"
+ "@Test "
+ "public void aSimpleTest() {"
+ "Dep1 newX = new Dep1();"
+ "Bla obj = new Bla();"
+ "newX.doMagic();"
+ "obj.doOtherMagic();"
+ "assertEquals(obj.isAbc());"
+ "}"
+ "}"));
assertFalse(metric.getTests().get("aSimpleTest").isIntegration());
}
@Test
public void shouldTellThatIsAnIntegrationTestIfConcreteMethodIsInvokedWithoutInstance() {
metric.calculate(
toInputStream(
"import a.b.Dep1;"
+ "class BlaTest {"
+ "@Test "
+ "public void aSimpleTest() {"
+ "Bla obj = new Bla();"
+ "int result = new Dep1().doMagic();"
+ "new Dep1().doMagic2();"
+ "assertEquals(obj.isAbc());"
+ "}"
+ "}"));
assertTrue(metric.getTests().get("aSimpleTest").isIntegration());
}
@Test
public void shouldTellThatIsAnUnitTestIfMethodReceivesConcreteStuffFromSamePackage() {
metric.calculate(
toInputStream(
"class BlaTest {"
+ "@Test "
+ "public void aSimpleTest() {"
+ "Dep1 x = new Dep1();"
+ "Dep2 y = new Dep2();"
+ "Bla obj = new Bla(x);"
+ "obj.method1(y);"
+ "assertEquals(obj.isAbc());"
+ "}"
+ "}"));
assertFalse(metric.getTests().get("aSimpleTest").isIntegration());
}
@Test
public void shouldTellThatIsAnIntegrationTestIfConstructorReceivesConcreteStuffWithCtor() {
metric.calculate(
toInputStream(
"import a.b.Dep1;"
+ "import a.b.Dep2;"
+ "class BlaTest {"
+ "@Test "
+ "public void aSimpleTest() {"
+ "Dep1 x = new Dep1(new TT());"
+ "Dep2 y = new Dep2(new KK());"
+ "Bla obj = new Bla(x, y);"
+ "obj.method1();"
+ "assertEquals(obj.isAbc());"
+ "}"
+ "}"));
assertTrue(metric.getTests().get("aSimpleTest").isIntegration());
}
@Test
public void pequeninho() {
metric.calculate(
toInputStream(
"import a.b.Dep1;"
+ "import a.b.Dep2;"
+ "class BlaTest {"
+ "@Test "
+ "public void aSimpleTest() {"
+ "Dep1 x = new Dep1();"
+ "Dep2 y = new Dep2();"
+ "Bla obj = new Bla(x, y);"
+ "obj.method1();"
+ "assertEquals(obj.isAbc());"
+ "}"
+ "}"));
assertTrue(metric.getTests().get("aSimpleTest").isIntegration());
}
@Test
public void ttt() {
String c =
"package org.junit.runner.notification;"
+ ""
+ "import static org.junit.Assert.assertEquals;"
+ "import static org.junit.Assert.assertFalse;"
+ "import static org.junit.Assert.assertNotEquals;"
+ "import static org.junit.Assert.assertThat;"
+ "import static org.junit.Assert.assertTrue;"
+ ""
+ "import java.lang.reflect.Method;"
+ "import java.util.Arrays;"
+ "import java.util.HashSet;"
+ "import java.util.List;"
+ "import java.util.Set;"
+ ""
+ "import org.junit.Test;"
+ ""
+ "/**"
+ " * Tests for {@link SynchronizedRunListener}."
+ " * "
+ " * @author kcooney (Kevin Cooney)"
+ " */"
+ "public class SynchronizedRunListenerTest {"
+ ""
+ " private static class MethodSignature {"
+ " private final Method fMethod;"
+ " private final String fName;"
+ " private final List<Class<?>> fParameterTypes;"
+ ""
+ " public MethodSignature(Method method) {"
+ " fMethod = method;"
+ " fName = method.getName();"
+ " fParameterTypes = Arrays.asList(method.getParameterTypes());"
+ " }"
+ " "
+ " @Override"
+ " public String toString() {"
+ " return fMethod.toString();"
+ " }"
+ ""
+ " @Override"
+ " public int hashCode() {"
+ " return fName.hashCode();"
+ " }"
+ ""
+ " @Override"
+ " public boolean equals(Object obj) {"
+ " if (this == obj) {"
+ " return true;"
+ " }"
+ " if (!(obj instanceof MethodSignature)) {"
+ " return false;"
+ " }"
+ " MethodSignature that = (MethodSignature) obj;"
+ " return fName.equals(that.fName) && fParameterTypes.equals(that.fParameterTypes);"
+ " }"
+ " }"
+ ""
+ " private Set<MethodSignature> getAllDeclaredMethods(Class<?> type) {"
+ " Set<MethodSignature> methods = new HashSet<MethodSignature>();"
+ " for (Method method : type.getDeclaredMethods()) {"
+ " methods.add(new MethodSignature(method));"
+ " }"
+ " return methods;"
+ " }"
+ " "
+ " @Test"
+ " public void overridesAllMethodsInRunListener() {"
+ " Set<MethodSignature> runListenerMethods = getAllDeclaredMethods(RunListener.class);"
+ " Set<MethodSignature> synchronizedRunListenerMethods = getAllDeclaredMethods("
+ " SynchronizedRunListener.class);"
+ ""
+ " assertTrue(synchronizedRunListenerMethods.containsAll(runListenerMethods));"
+ " }"
+ ""
+ " private static class NamedListener extends RunListener {"
+ " private final String fName;"
+ ""
+ " public NamedListener(String name) {"
+ " fName = name;"
+ " }"
+ ""
+ " @Override"
+ " public String toString() {"
+ " return \"NamedListener\";"
+ " }"
+ " "
+ " @Override"
+ " public int hashCode() {"
+ " return fName.hashCode();"
+ " }"
+ ""
+ " @Override"
+ " public boolean equals(Object obj) {"
+ " if (this == obj) {"
+ " return true;"
+ " }"
+ " if (!(obj instanceof NamedListener)) {"
+ " return false;"
+ " }"
+ " NamedListener that = (NamedListener) obj;"
+ " return this.fName.equals(that.fName);"
+ " }"
+ " }"
+ ""
+ " @Test"
+ " public void namedListenerCorrectlyImplementsEqualsAndHashCode() {"
+ " NamedListener listener1 = new NamedListener(\"blue\");"
+ " NamedListener listener2 = new NamedListener(\"blue\");"
+ " NamedListener listener3 = new NamedListener(\"red\");"
+ " "
+ " assertTrue(listener1.equals(listener1));"
+ " assertTrue(listener2.equals(listener2));"
+ " assertTrue(listener3.equals(listener3));"
+ " "
+ " assertFalse(listener1.equals(null));"
+ " assertFalse(listener1.equals(new Object()));"
+ ""
+ " assertTrue(listener1.equals(listener2));"
+ " assertTrue(listener2.equals(listener1));"
+ " assertFalse(listener1.equals(listener3));"
+ " assertFalse(listener3.equals(listener1));"
+ ""
+ " assertEquals(listener1.hashCode(), listener2.hashCode());"
+ " assertNotEquals(listener1.hashCode(), listener3.hashCode());"
+ " }"
+ ""
+ " @Test"
+ " public void toStringDelegates() {"
+ " NamedListener listener = new NamedListener(\"blue\");"
+ " "
+ " assertEquals(\"NamedListener\", listener.toString());"
+ " assertEquals(\"NamedListener (with synchronization wrapper)\", wrap(listener).toString());"
+ " }"
+ ""
+ " @Test"
+ " public void equalsDelegates() {"
+ " NamedListener listener1 = new NamedListener(\"blue\");"
+ " NamedListener listener2 = new NamedListener(\"blue\");"
+ " NamedListener listener3 = new NamedListener(\"red\");"
+ " "
+ " assertEquals(wrap(listener1), wrap(listener1));"
+ " assertEquals(wrap(listener1), wrap(listener2));"
+ " assertNotEquals(wrap(listener1), wrap(listener3));"
+ " assertNotEquals(wrap(listener1), listener1);"
+ " assertNotEquals(listener1, wrap(listener1));"
+ " }"
+ ""
+ " @Test"
+ " public void hashCodeDelegates() {"
+ " NamedListener listener = new NamedListener(\"blue\");"
+ " assertEquals(listener.hashCode(), wrap(listener).hashCode());"
+ " }"
+ ""
+ " private SynchronizedRunListener wrap(RunListener listener) {"
+ " return new SynchronizedRunListener(listener, this);"
+ " }"
+ "}";
metric.calculate(toInputStream(c));
}
@Test
public void dd() {
String c =
"package org.junit.tests.internal.runners.statements;\n"
+ "\n"
+ "import static java.lang.Long.MAX_VALUE;\n"
+ "import static java.lang.Math.atan;\n"
+ "import static java.lang.System.currentTimeMillis;\n"
+ "import static java.lang.Thread.sleep;\n"
+ "import static org.hamcrest.core.Is.is;\n"
+ "import static org.junit.Assert.assertFalse;\n"
+ "import static org.junit.Assert.assertTrue;\n"
+ "import static org.junit.Assert.fail;\n"
+ "\n"
+ "import org.junit.Rule;\n"
+ "import org.junit.Test;\n"
+ "import org.junit.internal.runners.statements.FailOnTimeout;\n"
+ "import org.junit.rules.ExpectedException;\n"
+ "import org.junit.runners.model.Statement;\n"
+ "\n"
+ "/**\n"
+ " * @author Asaf Ary, Stefan Birkner\n"
+ " */\n"
+ "public class FailOnTimeoutTest {\n"
+ " private static final int TIMEOUT = 100;\n"
+ "\n"
+ " @Rule\n"
+ " public final ExpectedException thrown = ExpectedException.none();\n"
+ "\n"
+ " private final TestStatement statement = new TestStatement();\n"
+ "\n"
+ " private final FailOnTimeout failOnTimeout = new FailOnTimeout(statement,\n"
+ " TIMEOUT);\n"
+ "\n"
+ " @Test\n"
+ " public void throwExceptionWithNiceMessageOnTimeout() throws Throwable {\n"
+ " thrown.expectMessage(\"test timed out after 100 milliseconds\");\n"
+ " evaluateWithWaitDuration(TIMEOUT + 50);\n"
+ " }\n"
+ "\n"
+ " @Test\n"
+ " public void sendUpExceptionThrownByStatement() throws Throwable {\n"
+ " RuntimeException exception = new RuntimeException();\n"
+ " thrown.expect(is(exception));\n"
+ " evaluateWithException(exception);\n"
+ " }\n"
+ "\n"
+ " @Test\n"
+ " public void throwExceptionIfTheSecondCallToEvaluateNeedsTooMuchTime()\n"
+ " throws Throwable {\n"
+ " thrown.expect(Exception.class);\n"
+ " evaluateWithWaitDuration(0);\n"
+ " evaluateWithWaitDuration(TIMEOUT + 50);\n"
+ " }\n"
+ "\n"
+ " @Test\n"
+ " public void throwTimeoutExceptionOnSecondCallAlthoughFirstCallThrowsException()\n"
+ " throws Throwable {\n"
+ " thrown.expectMessage(\"test timed out after 100 milliseconds\");\n"
+ " try {\n"
+ " evaluateWithException(new RuntimeException());\n"
+ " } catch (Throwable expected) {\n"
+ " }\n"
+ " evaluateWithWaitDuration(TIMEOUT + 50);\n"
+ " }\n"
+ "\n"
+ " private void evaluateWithException(Exception exception) throws Throwable {\n"
+ " statement.nextException = exception;\n"
+ " statement.waitDuration = 0;\n"
+ " failOnTimeout.evaluate();\n"
+ " }\n"
+ "\n"
+ " private void evaluateWithWaitDuration(int waitDuration) throws Throwable {\n"
+ " statement.nextException = null;\n"
+ " statement.waitDuration = waitDuration;\n"
+ " failOnTimeout.evaluate();\n"
+ " }\n"
+ "\n"
+ " private static final class TestStatement extends Statement {\n"
+ " int waitDuration;\n"
+ "\n"
+ " Exception nextException;\n"
+ "\n"
+ " @Override\n"
+ " public void evaluate() throws Throwable {\n"
+ " sleep(waitDuration);\n"
+ " if (nextException != null) {\n"
+ " throw nextException;\n"
+ " }\n"
+ " }\n"
+ " }\n"
+ "\n"
+ " @Test\n"
+ " public void stopEndlessStatement() throws Throwable {\n"
+ " InfiniteLoopStatement infiniteLoop = new InfiniteLoopStatement();\n"
+ " FailOnTimeout infiniteLoopTimeout = new FailOnTimeout(infiniteLoop,\n"
+ " TIMEOUT);\n"
+ " try {\n"
+ " infiniteLoopTimeout.evaluate();\n"
+ " } catch (Exception timeoutException) {\n"
+ " sleep(20); // time to interrupt the thread\n"
+ " int firstCount = InfiniteLoopStatement.COUNT;\n"
+ " sleep(20); // time to increment the count\n"
+ " assertTrue(\"Thread has not been stopped.\",\n"
+ " firstCount == InfiniteLoopStatement.COUNT);\n"
+ " }\n"
+ " }\n"
+ "\n"
+ " private static final class InfiniteLoopStatement extends Statement {\n"
+ " private static int COUNT = 0;\n"
+ "\n"
+ " @Override\n"
+ " public void evaluate() throws Throwable {\n"
+ " while (true) {\n"
+ " sleep(10); // sleep in order to enable interrupting thread\n"
+ " ++COUNT;\n"
+ " }\n"
+ " }\n"
+ " }\n"
+ "\n"
+ " @Test\n"
+ " public void stackTraceContainsRealCauseOfTimeout() throws Throwable {\n"
+ " StuckStatement stuck = new StuckStatement();\n"
+ " FailOnTimeout stuckTimeout = new FailOnTimeout(stuck, TIMEOUT);\n"
+ " try {\n"
+ " stuckTimeout.evaluate();\n"
+ " // We must not get here, we expect a timeout exception\n"
+ " fail(\"Expected timeout exception\");\n"
+ " } catch (Exception timeoutException) {\n"
+ " StackTraceElement[] stackTrace = timeoutException.getStackTrace();\n"
+ " boolean stackTraceContainsTheRealCauseOfTheTimeout = false;\n"
+ " boolean stackTraceContainsOtherThanTheRealCauseOfTheTimeout = false;\n"
+ " for (StackTraceElement element : stackTrace) {\n"
+ " String methodName = element.getMethodName();\n"
+ " if (\"theRealCauseOfTheTimeout\".equals(methodName)) {\n"
+ " stackTraceContainsTheRealCauseOfTheTimeout = true;\n"
+ " }\n"
+ " if (\"notTheRealCauseOfTheTimeout\".equals(methodName)) {\n"
+ " stackTraceContainsOtherThanTheRealCauseOfTheTimeout = true;\n"
+ " }\n"
+ " }\n"
+ " assertTrue(\n"
+ " \"Stack trace does not contain the real cause of the timeout\",\n"
+ " stackTraceContainsTheRealCauseOfTheTimeout);\n"
+ " assertFalse(\n"
+ " \"Stack trace contains other than the real cause of the timeout, which can be very misleading\",\n"
+ " stackTraceContainsOtherThanTheRealCauseOfTheTimeout);\n"
+ " }\n"
+ " }\n"
+ "\n"
+ " private static final class StuckStatement extends Statement {\n"
+ "\n"
+ " @Override\n"
+ " public void evaluate() throws Throwable {\n"
+ " try {\n"
+ " // Must show up in stack trace\n"
+ " theRealCauseOfTheTimeout();\n"
+ " } catch (InterruptedException e) {\n"
+ " } finally {\n"
+ " // Must _not_ show up in stack trace\n"
+ " notTheRealCauseOfTheTimeout();\n"
+ " }\n"
+ " }\n"
+ "\n"
+ " private void theRealCauseOfTheTimeout() throws InterruptedException {\n"
+ " sleep(MAX_VALUE);\n"
+ " }\n"
+ "\n"
+ " private void notTheRealCauseOfTheTimeout() {\n"
+ " for (long now = currentTimeMillis(), eta = now + 1000L; now < eta; now = currentTimeMillis()) {\n"
+ " // Doesn't matter, just pretend to be busy\n"
+ " atan(now);\n"
+ " }\n"
+ " }\n"
+ " }\n"
+ "}";
metric.calculate(toInputStream(c));
}
@Test
public void shouldUnderstandAttributesInInnerClassesWithNoTests() {
String c =
"package org.junit.tests.running.classes;\n"
+ "\n"
+ "import static org.junit.Assert.assertEquals;\n"
+ "import static org.junit.Assert.assertThat;\n"
+ "import static org.junit.Assert.fail;\n"
+ "import static org.junit.experimental.results.PrintableResult.testResult;\n"
+ "import static org.junit.experimental.results.ResultMatchers.hasSingleFailureContaining;\n"
+ "import static org.junit.runner.Description.createSuiteDescription;\n"
+ "import static org.junit.runner.Description.createTestDescription;\n"
+ "\n"
+ "import java.util.Collections;\n"
+ "import java.util.HashMap;\n"
+ "import java.util.List;\n"
+ "import java.util.Map;\n"
+ "\n"
+ "import org.junit.Test;\n"
+ "import org.junit.runner.Description;\n"
+ "import org.junit.runner.JUnitCore;\n"
+ "import org.junit.runner.Request;\n"
+ "import org.junit.runner.Result;\n"
+ "import org.junit.runner.RunWith;\n"
+ "import org.junit.runner.Runner;\n"
+ "import org.junit.runner.manipulation.Filter;\n"
+ "import org.junit.runner.manipulation.NoTestsRemainException;\n"
+ "import org.junit.runners.Suite;\n"
+ "import org.junit.runners.Suite.SuiteClasses;\n"
+ "import org.junit.runners.model.InitializationError;\n"
+ "import org.junit.runners.model.RunnerBuilder;\n"
+ "\n"
+ "public class ParentRunnerFilteringTest {\n"
+ " private static Filter notThisMethodName(final String methodName) {\n"
+ " return new Filter() {\n"
+ " @Override\n"
+ " public boolean shouldRun(Description description) {\n"
+ " return description.getMethodName() == null\n"
+ " || !description.getMethodName().equals(methodName);\n"
+ " }\n"
+ "\n"
+ " @Override\n"
+ " public String describe() {\n"
+ " return \"don't run method name: \" + methodName;\n"
+ " }\n"
+ " };\n"
+ " }\n"
+ "\n"
+ " private static class CountingFilter extends Filter {\n"
+ " private final Map<Description, Integer> countMap = new HashMap<Description, Integer>();\n"
+ "\n"
+ " @Override\n"
+ " public boolean shouldRun(Description description) {\n"
+ " Integer count = countMap.get(description);\n"
+ " if (count == null) {\n"
+ " countMap.put(description, 1);\n"
+ " } else {\n"
+ " countMap.put(description, count + 1);\n"
+ " }\n"
+ " return true;\n"
+ " }\n"
+ "\n"
+ " @Override\n"
+ " public String describe() {\n"
+ " return \"filter counter\";\n"
+ " }\n"
+ "\n"
+ " public int getCount(final Description desc) {\n"
+ " if (!countMap.containsKey(desc)) {\n"
+ " throw new IllegalArgumentException(\"Looking for \" + desc\n"
+ " + \", but only contains: \" + countMap.keySet());\n"
+ " }\n"
+ " return countMap.get(desc);\n"
+ " }\n"
+ " }\n"
+ "\n"
+ " public static class ExampleTest {\n"
+ " @Test\n"
+ " public void test1() throws Exception {\n"
+ " // passes\n"
+ " }\n"
+ " }\n"
+ "\n"
+ " @RunWith(Suite.class)\n"
+ " @SuiteClasses({ExampleTest.class})\n"
+ " public static class ExampleSuite {\n"
+ " }\n"
+ "\n"
+ " @Test\n"
+ " public void testSuiteFiltering() throws Exception {\n"
+ " Runner runner = Request.aClass(ExampleSuite.class).getRunner();\n"
+ " Filter filter = notThisMethodName(\"test1\");\n"
+ " try {\n"
+ " filter.apply(runner);\n"
+ " } catch (NoTestsRemainException e) {\n"
+ " return;\n"
+ " }\n"
+ " fail(\"Expected 'NoTestsRemainException' due to complete filtering\");\n"
+ " }\n"
+ "\n"
+ " public static class SuiteWithUnmodifyableChildList extends Suite {\n"
+ "\n"
+ " public SuiteWithUnmodifyableChildList(\n"
+ " Class<?> klass, RunnerBuilder builder)\n"
+ " throws InitializationError {\n"
+ " super(klass, builder);\n"
+ " }\n"
+ "\n"
+ " @Override\n"
+ " protected List<Runner> getChildren() {\n"
+ " return Collections.unmodifiableList(super.getChildren());\n"
+ " }\n"
+ " }\n"
+ "\n"
+ " @RunWith(SuiteWithUnmodifyableChildList.class)\n"
+ " @SuiteClasses({ExampleTest.class})\n"
+ " public static class ExampleSuiteWithUnmodifyableChildList {\n"
+ " }\n"
+ "\n"
+ " @Test\n"
+ " public void testSuiteFilteringWithUnmodifyableChildList() throws Exception {\n"
+ " Runner runner = Request.aClass(ExampleSuiteWithUnmodifyableChildList.class)\n"
+ " .getRunner();\n"
+ " Filter filter = notThisMethodName(\"test1\");\n"
+ " try {\n"
+ " filter.apply(runner);\n"
+ " } catch (NoTestsRemainException e) {\n"
+ " return;\n"
+ " }\n"
+ " fail(\"Expected 'NoTestsRemainException' due to complete filtering\");\n"
+ " }\n"
+ "\n"
+ " @Test\n"
+ " public void testRunSuiteFiltering() throws Exception {\n"
+ " Request request = Request.aClass(ExampleSuite.class);\n"
+ " Request requestFiltered = request.filterWith(notThisMethodName(\"test1\"));\n"
+ " assertThat(testResult(requestFiltered),\n"
+ " hasSingleFailureContaining(\"don't run method name: test1\"));\n"
+ " }\n"
+ "\n"
+ " @Test\n"
+ " public void testCountClassFiltering() throws Exception {\n"
+ " JUnitCore junitCore = new JUnitCore();\n"
+ " Request request = Request.aClass(ExampleTest.class);\n"
+ " CountingFilter countingFilter = new CountingFilter();\n"
+ " Request requestFiltered = request.filterWith(countingFilter);\n"
+ " Result result = junitCore.run(requestFiltered);\n"
+ " assertEquals(1, result.getRunCount());\n"
+ " assertEquals(0, result.getFailureCount());\n"
+ "\n"
+ " Description desc = createTestDescription(ExampleTest.class, \"test1\");\n"
+ " assertEquals(1, countingFilter.getCount(desc));\n"
+ " }\n"
+ "\n"
+ " @Test\n"
+ " public void testCountSuiteFiltering() throws Exception {\n"
+ " Class<ExampleSuite> suiteClazz = ExampleSuite.class;\n"
+ " Class<ExampleTest> clazz = ExampleTest.class;\n"
+ "\n"
+ " JUnitCore junitCore = new JUnitCore();\n"
+ " Request request = Request.aClass(suiteClazz);\n"
+ " CountingFilter countingFilter = new CountingFilter();\n"
+ " Request requestFiltered = request.filterWith(countingFilter);\n"
+ " Result result = junitCore.run(requestFiltered);\n"
+ " assertEquals(1, result.getRunCount());\n"
+ " assertEquals(0, result.getFailureCount());\n"
+ "\n"
+ " Description suiteDesc = createSuiteDescription(clazz);\n"
+ " assertEquals(1, countingFilter.getCount(suiteDesc));\n"
+ "\n"
+ " Description desc = createTestDescription(ExampleTest.class, \"test1\");\n"
+ " assertEquals(1, countingFilter.getCount(desc));\n"
+ " }\n"
+ "}";
metric.calculate(toInputStream(c));
}
@Test
public void shouldIgnoreAMethodThatIsNotATest() {
// JUnit: TimeoutTest.java
String c =
"package org.junit.tests.running.methods;\r\n"
+ "\r\n"
+ "import static org.hamcrest.CoreMatchers.containsString;\r\n"
+ "import static org.hamcrest.CoreMatchers.is;\r\n"
+ "import static org.junit.Assert.assertEquals;\r\n"
+ "import static org.junit.Assert.assertThat;\r\n"
+ "import static org.junit.Assert.assertTrue;\r\n"
+ "import static org.junit.Assert.fail;\r\n"
+ "\r\n"
+ "import java.io.PrintWriter;\r\n"
+ "import java.io.StringWriter;\r\n"
+ "import java.io.Writer;\r\n"
+ "\r\n"
+ "import junit.framework.JUnit4TestAdapter;\r\n"
+ "import junit.framework.TestResult;\r\n"
+ "import org.junit.After;\r\n"
+ "import org.junit.Ignore;\r\n"
+ "import org.junit.Test;\r\n"
+ "import org.junit.runner.JUnitCore;\r\n"
+ "import org.junit.runner.Result;\r\n"
+ "\r\n"
+ "public class TimeoutTest {\r\n"
+ "\r\n"
+ " static public class FailureWithTimeoutTest {\r\n"
+ " @Test(timeout = 1000)\r\n"
+ " public void failure() {\r\n"
+ " fail();\r\n"
+ " }\r\n"
+ " }\r\n"
+ "\r\n"
+ " @Test\r\n"
+ " public void failureWithTimeout() throws Exception {\r\n"
+ " JUnitCore core = new JUnitCore();\r\n"
+ " Result result = core.run(FailureWithTimeoutTest.class);\r\n"
+ " assertEquals(1, result.getRunCount());\r\n"
+ " assertEquals(1, result.getFailureCount());\r\n"
+ " assertEquals(AssertionError.class, result.getFailures().get(0).getException().getClass());\r\n"
+ " }\r\n"
+ "\r\n"
+ " static public class FailureWithTimeoutRunTimeExceptionTest {\r\n"
+ " @Test(timeout = 1000)\r\n"
+ " public void failure() {\r\n"
+ " throw new NullPointerException();\r\n"
+ " }\r\n"
+ " }\r\n"
+ "\r\n"
+ " @Test\r\n"
+ " public void failureWithTimeoutRunTimeException() throws Exception {\r\n"
+ " JUnitCore core = new JUnitCore();\r\n"
+ " Result result = core.run(FailureWithTimeoutRunTimeExceptionTest.class);\r\n"
+ " assertEquals(1, result.getRunCount());\r\n"
+ " assertEquals(1, result.getFailureCount());\r\n"
+ " assertEquals(NullPointerException.class, result.getFailures().get(0).getException().getClass());\r\n"
+ " }\r\n"
+ "\r\n"
+ " static public class SuccessWithTimeoutTest {\r\n"
+ " @Test(timeout = 1000)\r\n"
+ " public void success() {\r\n"
+ " }\r\n"
+ " }\r\n"
+ "\r\n"
+ " @Test\r\n"
+ " public void successWithTimeout() throws Exception {\r\n"
+ " JUnitCore core = new JUnitCore();\r\n"
+ " Result result = core.run(SuccessWithTimeoutTest.class);\r\n"
+ " assertEquals(1, result.getRunCount());\r\n"
+ " assertEquals(0, result.getFailureCount());\r\n"
+ " }\r\n"
+ "\r\n"
+ " static public class TimeoutFailureTest {\r\n"
+ " @Test(timeout = 100)\r\n"
+ " public void success() throws InterruptedException {\r\n"
+ " Thread.sleep(40000);\r\n"
+ " }\r\n"
+ " }\r\n"
+ "\r\n"
+ " @Ignore(\"was breaking gump\")\r\n"
+ " @Test\r\n"
+ " public void timeoutFailure() throws Exception {\r\n"
+ " JUnitCore core = new JUnitCore();\r\n"
+ " Result result = core.run(TimeoutFailureTest.class);\r\n"
+ " assertEquals(1, result.getRunCount());\r\n"
+ " assertEquals(1, result.getFailureCount());\r\n"
+ " assertEquals(InterruptedException.class, result.getFailures().get(0).getException().getClass());\r\n"
+ " }\r\n"
+ "\r\n"
+ " static public class InfiniteLoopTest {\r\n"
+ " @Test(timeout = 100)\r\n"
+ " public void failure() {\r\n"
+ " infiniteLoop();\r\n"
+ " }\r\n"
+ "\r\n"
+ " private void infiniteLoop() {\r\n"
+ " for (; ; ) {\r\n"
+ " try {\r\n"
+ " Thread.sleep(10);\r\n"
+ " } catch (InterruptedException e) {\r\n"
+ " }\r\n"
+ " }\r\n"
+ " }\r\n"
+ " }\r\n"
+ "\r\n"
+ " @Test\r\n"
+ " public void infiniteLoop() throws Exception {\r\n"
+ " JUnitCore core = new JUnitCore();\r\n"
+ " Result result = core.run(InfiniteLoopTest.class);\r\n"
+ " assertEquals(1, result.getRunCount());\r\n"
+ " assertEquals(1, result.getFailureCount());\r\n"
+ " Throwable exception = result.getFailures().get(0).getException();\r\n"
+ " assertTrue(exception.getMessage().contains(\"test timed out after 100 milliseconds\"));\r\n"
+ " }\r\n"
+ "\r\n"
+ " static public class ImpatientLoopTest {\r\n"
+ " @Test(timeout = 1)\r\n"
+ " public void failure() {\r\n"
+ " infiniteLoop();\r\n"
+ " }\r\n"
+ "\r\n"
+ " private void infiniteLoop() {\r\n"
+ " for (; ; ) ;\r\n"
+ " }\r\n"
+ " }\r\n"
+ "\r\n"
+ " @Ignore(\"This breaks sporadically with time differences just slightly more than 200ms\")\r\n"
+ " @Test\r\n"
+ " public void infiniteLoopRunsForApproximatelyLengthOfTimeout() throws Exception {\r\n"
+ " // \"prime the pump\": running these beforehand makes the runtimes more predictable\r\n"
+ " // (because of class loading?)\r\n"
+ " JUnitCore.runClasses(InfiniteLoopTest.class, ImpatientLoopTest.class);\r\n"
+ " long longTime = runAndTime(InfiniteLoopTest.class);\r\n"
+ " long shortTime = runAndTime(ImpatientLoopTest.class);\r\n"
+ " long difference = longTime - shortTime;\r\n"
+ " assertTrue(String.format(\"Difference was %sms\", difference), difference < 200);\r\n"
+ " }\r\n"
+ "\r\n"
+ " private long runAndTime(Class<?> clazz) {\r\n"
+ " JUnitCore core = new JUnitCore();\r\n"
+ " long startTime = System.currentTimeMillis();\r\n"
+ " core.run(clazz);\r\n"
+ " long totalTime = System.currentTimeMillis() - startTime;\r\n"
+ " return totalTime;\r\n"
+ " }\r\n"
+ "\r\n"
+ " @Test\r\n"
+ " public void stalledThreadAppearsInStackTrace() throws Exception {\r\n"
+ " JUnitCore core = new JUnitCore();\r\n"
+ " Result result = core.run(InfiniteLoopTest.class);\r\n"
+ " assertEquals(1, result.getRunCount());\r\n"
+ " assertEquals(1, result.getFailureCount());\r\n"
+ " Throwable exception = result.getFailures().get(0).getException();\r\n"
+ " Writer buffer = new StringWriter();\r\n"
+ " PrintWriter writer = new PrintWriter(buffer);\r\n"
+ " exception.printStackTrace(writer);\r\n"
+ " assertThat(buffer.toString(), containsString(\"infiniteLoop\")); // Make sure we have the stalled frame on the stack somewhere\r\n"
+ " }\r\n"
+ "\r\n"
+ " @Test\r\n"
+ " public void compatibility() {\r\n"
+ " TestResult result = new TestResult();\r\n"
+ " new JUnit4TestAdapter(InfiniteLoopTest.class).run(result);\r\n"
+ " assertEquals(1, result.errorCount());\r\n"
+ " }\r\n"
+ "\r\n"
+ " public static class WillTimeOut {\r\n"
+ " static boolean afterWasCalled = false;\r\n"
+ "\r\n"
+ " @Test(timeout = 1)\r\n"
+ " public void test() {\r\n"
+ " for (; ; ) {\r\n"
+ " try {\r\n"
+ " Thread.sleep(10000);\r\n"
+ " } catch (InterruptedException e) {\r\n"
+ " // ok, tests are over\r\n"
+ " }\r\n"
+ " }\r\n"
+ " }\r\n"
+ "\r\n"
+ " @After\r\n"
+ " public void after() {\r\n"
+ " afterWasCalled = true;\r\n"
+ " }\r\n"
+ " }\r\n"
+ "\r\n"
+ " @Test\r\n"
+ " public void makeSureAfterIsCalledAfterATimeout() {\r\n"
+ " JUnitCore.runClasses(WillTimeOut.class);\r\n"
+ " assertThat(WillTimeOut.afterWasCalled, is(true));\r\n"
+ " }\r\n"
+ "}";
metric.calculate(toInputStream(c));
}