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How to use testNoErrorThrownIfSingleThreaded method of com.tngtech.jgiven.testng.IncompatibleMultiThreadingCheckerTest class

Best JGiven code snippet using com.tngtech.jgiven.testng.IncompatibleMultiThreadingCheckerTest.testNoErrorThrownIfSingleThreaded

Source:IncompatibleMultiThreadingCheckerTest.java

...25        assertThatCode(() -> underTest.checkIncompatibleMultiThreading(testInput))26            .isInstanceOf(JGivenWrongUsageException.class);27    }28    @Test29    public void testNoErrorThrownIfSingleThreaded() throws NoSuchMethodException {30        @Test(singleThreaded = true)31        class SingleThreadedInjectedTestClass {32            @ScenarioStage33            private String injected;34            @Test(enabled = false)35            public void singleThreadedTest() {36            }37        }38        ITestResult testInput = mockInput(SingleThreadedInjectedTestClass.class, "singleThreadedTest");39        assertThatCode(() -> underTest.checkIncompatibleMultiThreading(testInput))40            .doesNotThrowAnyException();41    }42    @Test43    public void testNoErrorThrownIfNoInjectedStages() throws NoSuchMethodException {...

testNoErrorThrownIfSingleThreaded

Using AI Code Generation

1public class IncompatibleMultiThreadingCheckerTest extends ScenarioTest<IncompatibleMultiThreadingCheckerTest.Steps> {2    public void testNoErrorThrownIfSingleThreaded() {3        given().a_test_class_with_$_scenarios( 1 );4        when().the_test_is_executed_in_a_single_thread();5        then().no_error_is_thrown();6    }7    public void testErrorThrownIfMultiThreaded() {8        given().a_test_class_with_$_scenarios( 1 );9        when().the_test_is_executed_in_$_threads( 2 );10        then().an_error_is_thrown();11    }12    public void testErrorThrownIfMultiThreadedEvenIfThereAreNoScenarios() {13        given().a_test_class_with_$_scenarios( 0 );14        when().the_test_is_executed_in_$_threads( 2 );15        then().an_error_is_thrown();16    }17    public static class Steps {18        private int numberOfScenarios;19        private int numberOfThreads;20        public Steps a_test_class_with_$_scenarios( int numberOfScenarios ) {21            this.numberOfScenarios = numberOfScenarios;22            return this;23        }24        public Steps the_test_is_executed_in_a_single_thread() {25            this.numberOfThreads = 1;26            return this;27        }28        public Steps the_test_is_executed_in_$_threads( int numberOfThreads ) {29            this.numberOfThreads = numberOfThreads;30            return this;31        }32        public Steps no_error_is_thrown() {33            assertThat( getException() ).isNull();34            return this;35        }36        public Steps an_error_is_thrown() {37            assertThat( getException() ).isNotNull();38            return this;39        }40        private Throwable getException() {41            try {42                IncompatibleMultiThreadingChecker.check( numberOfScenarios, numberOfThreads );43                return null;44            } catch( Throwable e ) {45                return e;46            }47        }48    }49}50The test class is executed by JUnit. The first two tests are successful but the third one fails. The test method testErrorThrownIfMultiThreadedEvenIfThereAreNoScenarios() fails with the following message:51The test method testErrorThrownIfMultiThreaded() fails with the following message:

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