Examples of org.junit.runner.Request

org.junit.runner.Request
A Request is an abstract description of tests to be run. Older versions of JUnit did not need such a concept--tests to be run were described either by classes containing tests or a tree of {@link org.junit.Test}s. However, we want to support filtering and sorting, so we need a more abstract specification than the tests themselves and a richer specification than just the classes.
The flow when JUnit runs tests is that a Request specifies some tests to be run -> a {@link org.junit.runner.Runner} is created for each class implied by the Request ->the {@link org.junit.runner.Runner} returns a detailed {@link org.junit.runner.Description}which is a tree structure of the tests to be run. @since 4.0

        assertEquals("slow", failures.get(1).getDescription().getMethodName());
    }


    @Test
    public void preferFast() {
        Request request = Request.aClass(TwoUnEqualTests.class);
        fMax.run(request);
        Description thing = fMax.sortedLeavesForTest(request).get(1);
        assertEquals(Description.createTestDescription(TwoUnEqualTests.class,
                "slow"), thing);
    }

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    public void testCountsStandUpToFiltration() {
        assertFilterLeavesTestUnscathed(AllTests.class);
    }


    private void assertFilterLeavesTestUnscathed(Class<?> testClass) {
        Request oneClass = Request.aClass(testClass);
        Request filtered = oneClass.filterWith(new Filter() {
            @Override
            public boolean shouldRun(Description description) {
                return true;
            }


            @Override
            public String describe() {
                return "Everything";
            }
        });


        int filterCount = filtered.getRunner().testCount();
        int coreCount = oneClass.getRunner().testCount();
        assertEquals("Counts match up in " + testClass, coreCount, filterCount);
    }

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        }
    }


    @Test
    public void maxShouldSkipMalformedJUnit38Classes() {
        Request request = Request.aClass(MalformedJUnit38Test.class);
        fMax.run(request);
    }

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    String fMessage = null;


    @Test
    public void correctErrorFromMalformedTest() {
        Request request = Request.aClass(MalformedJUnit38TestMethod.class);
        JUnitCore core = new JUnitCore();
        Request sorted = fMax.sortRequest(request);
        Runner runner = sorted.getRunner();
        Result result = core.run(runner);
        Failure failure = result.getFailures().get(0);
        assertThat(failure.toString(), containsString("MalformedJUnit38TestMethod"));
        assertThat(failure.toString(), containsString("testNothing"));
        assertThat(failure.toString(), containsString("isn't public"));

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    }




    @Test
    public void correctErrorFromHalfMalformedTest() {
        Request request = Request.aClass(HalfMalformedJUnit38TestMethod.class);
        JUnitCore core = new JUnitCore();
        Request sorted = fMax.sortRequest(request);
        Runner runner = sorted.getRunner();
        Result result = core.run(runner);
        Failure failure = result.getFailures().get(0);
        assertThat(failure.toString(), containsString("MalformedJUnit38TestMethod"));
        assertThat(failure.toString(), containsString("testNothing"));
        assertThat(failure.toString(), containsString("isn't public"));

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    }


    @Test
    public void testCountWithExplicitFilter() throws Throwable {
        CategoryFilter include = CategoryFilter.include(SlowTests.class);
        Request baseRequest = Request.aClass(TestSuiteWithNoCategories.class);
        Result result = new JUnitCore().run(baseRequest.filterWith(include));
        assertTrue(result.wasSuccessful());
        assertEquals(2, result.getRunCount());
    }

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    @SuppressWarnings("unchecked")
    public void testCountWithMultipleExcludeFilter() throws Throwable {
        Set<Class<?>> exclusions= new HashSet<Class<?>>(2);
        Collections.addAll(exclusions, SlowTests.class, FastTests.class);
        CategoryFilter exclude = CategoryFilter.categoryFilter(true, null, true, exclusions);
        Request baseRequest= Request.aClass(OneOfEach.class);
        Result result= new JUnitCore().run(baseRequest.filterWith(exclude));
        assertTrue(result.wasSuccessful());
        assertEquals(1, result.getRunCount());
    }

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    }


    @Test
    public void testCountWithMultipleIncludeFilter() throws Throwable {
        CategoryFilter exclude = CategoryFilter.include(true, SlowTests.class, FastTests.class);
        Request baseRequest= Request.aClass(OneOfEach.class);
        Result result= new JUnitCore().run(baseRequest.filterWith(exclude));
        assertTrue(result.wasSuccessful());
        assertEquals(2, result.getRunCount());
    }

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        fail("Expected 'NoTestsRemainException' due to complete filtering");
    }


    @Test
    public void testRunSuiteFiltering() throws Exception {
        Request request = Request.aClass(ExampleSuite.class);
        Request requestFiltered = request.filterWith(notThisMethodName("test1"));
        assertThat(testResult(requestFiltered),
                hasSingleFailureContaining("don't run method name: test1"));
    }

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    }


    @Test
    public void testCountClassFiltering() throws Exception {
        JUnitCore junitCore = new JUnitCore();
        Request request = Request.aClass(ExampleTest.class);
        CountingFilter countingFilter = new CountingFilter();
        Request requestFiltered = request.filterWith(countingFilter);
        Result result = junitCore.run(requestFiltered);
        assertEquals(1, result.getRunCount());
        assertEquals(0, result.getFailureCount());


        Description desc = createTestDescription(ExampleTest.class, "test1");

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