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How to use SuppressConstructorDemo method of samples.suppressconstructor.SuppressConstructorDemo class

Best Powermock code snippet using samples.suppressconstructor.SuppressConstructorDemo.SuppressConstructorDemo

Source:SuppressConstructorDemoTest.java

...20import org.powermock.api.support.membermodification.MemberMatcher;21import org.powermock.api.support.membermodification.MemberModifier;22import org.powermock.core.classloader.annotations.PrepareForTest;23import org.powermock.modules.junit4.PowerMockRunner;24import samples.suppressconstructor.SuppressConstructorDemo;25import samples.suppressconstructor.SuppressConstructorSubclassDemo;26/**27 * This test demonstrates how to tell PowerMock to avoid executing constructor28 * code for a certain class. This is crucial in certain tests where the29 * constructor or a subclass's constructor performs operations that are of no30 * concern to the unit test of the actual class or if the constructor performs31 * operations, such as getting services from a runtime environment that has not32 * been initialized. In normal situations you're forced to create an integration33 * or function test for the class instead (and thus the runtime environment is34 * available). This is not particularly good when it comes to testing method35 * logic. PowerMock solves these problems by letting you specify the36 * {@link PowerMock#suppressConstructor(Class...)} method37 */38@RunWith(PowerMockRunner.class)39@PrepareForTest(SuppressConstructorDemo.class)40public class SuppressConstructorDemoTest {41    /**42     * This test makes sure that the real constructor has never been called.43     */44    @Test45    public void testSuppressConstructor() throws Exception {46        MemberModifier.suppress(MemberMatcher.constructor(SuppressConstructorDemo.class));47        final SuppressConstructorDemo tested = new SuppressConstructorDemo("a message");48        Assert.assertNull("Message should have been null since we're skipping the execution of the constructor code.", tested.getMessage());49    }50    /**51     * This test makes sure that the real parent constructor has never been52     * called.53     */54    @Test55    public void testSuppressParentConstructor() throws Exception {56        MemberModifier.suppress(MemberMatcher.constructor(SuppressConstructorSubclassDemo.class));57        final SuppressConstructorDemo tested = new SuppressConstructorDemo("a message");58        Assert.assertNull("Message should have been null since we're skipping the execution of the constructor code.", tested.getMessage());59    }60    /**61     * This test makes sure that it's possible to also mock methods from the62     * class under test at the same time as skipping constructor execution.63     */64    @Test65    public void testPartialMockingAndSuppressParentConstructor() throws Exception {66        MemberModifier.suppress(MemberMatcher.constructor(SuppressConstructorSubclassDemo.class));67        final SuppressConstructorDemo tested = createPartialMock(SuppressConstructorDemo.class, "returnAMessage");68        final String expected = "Hello world!";69        expectPrivate(tested, "returnAMessage").andReturn(expected);70        replay(tested);71        final String actual = tested.getMyOwnMessage();72        verify(tested);73        Assert.assertEquals(expected, actual);74        Assert.assertNull("Message should have been null since we're skipping the execution of the constructor code.", tested.getMessage());75    }76}...

SuppressConstructorDemo

Using AI Code Generation

1public class SuppressConstructorDemo {2    public SuppressConstructorDemo(int a) {3    }4    public void method(int a) {5    }6}7public class SuppressConstructorDemo {8    public SuppressConstructorDemo(int a) {9    }10    public void method(int a) {11    }12}13public class SuppressConstructorDemo {14    public SuppressConstructorDemo(int a) {15    }16    public void method(int a) {17    }18}19public class SuppressConstructorDemo {20    public SuppressConstructorDemo(int a) {21    }22    public void method(int a) {23    }24}25public class SuppressConstructorDemo {26    public SuppressConstructorDemo(int a) {27    }28    public void method(int a) {29    }30}31public class SuppressConstructorDemo {32    public SuppressConstructorDemo(int a) {33    }34    public void method(int a) {35    }36}37public class SuppressConstructorDemo {38    public SuppressConstructorDemo(int a) {39    }

SuppressConstructorDemo

Using AI Code Generation

1[INFO] --- maven-compiler-plugin:3.8.1:compile (default-compile) @ suppressconstructor ---2[INFO] --- maven-resources-plugin:3.1.0:resources (default-resources) @ suppressconstructor ---3[INFO] --- maven-compiler-plugin:3.8.1:compile (default-compile) @ suppressconstructor ---4[INFO] --- maven-resources-plugin:3.1.0:resources (default-resources) @ suppressconstructor ---5[INFO] --- maven-compiler-plugin:3.8.1:compile (default-compile) @ suppressconstructor ---6[INFO] --- maven-resources-plugin:3.1.0:resources (default-resources) @ suppressconstructor ---7[INFO] --- maven-compiler-plugin:3.8.1:compile (default-compile) @ suppressconstructor ---8[INFO] --- maven-resources-plugin:3.1.0:resources (default-resources) @ suppressconstructor ---

SuppressConstructorDemo

Using AI Code Generation

1    public void testSuppressConstructor() throws Exception {2        SuppressConstructorDemo suppressConstructorDemo = new SuppressConstructorDemo();3    }4    @DataProvider(name = "testSuppressConstructorDataProvider")5    public static Object[][] testSuppressConstructorDataProvider() throws Exception {6                {7                        {new File(MyDir, "SuppressConstructorDemo.docx")},8                };9    }10}

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