verifyingtestcasetest.java

不管是测试驱动开发或者是其它的开发模式

/*  Copyright (c) 2000-2004 jMock.org
 */
package test.jmock.core;

import junit.framework.TestCase;
import org.jmock.core.VerifyingTestCase;
import org.jmock.expectation.ExpectationCounter;
import test.jmock.core.testsupport.MockVerifiable;


public class VerifyingTestCaseTest extends TestCase
{
    public static class ExampleTestCase extends VerifyingTestCase
    {
        private MockVerifiable verifiableField = new MockVerifiable();

        public ExampleTestCase() {
            setName("testMethod");
        }

        public void setExpectedVerifyCalls( int n ) {
            verifiableField.verifyCalls.setExpected(n);
        }

        public void verifyExpectations() {
            verifiableField.verifyExpectations();
        }

        public void testMethod() {
            // Success!
        }

    }

    public void testCanBeConstructedWithAName() {
        String name = "NAME";

        VerifyingTestCase testCase = new VerifyingTestCase(name)
        {
        };

        assertEquals("name", name, testCase.getName());
    }

    public void testAutomaticallyVerifiesVerifiableFieldsAfterTheTestRunAndBeforeTearDown()
            throws Throwable {
        ExampleTestCase testCase = new ExampleTestCase();

        testCase.setExpectedVerifyCalls(1);
        testCase.runBare();
        testCase.verifyExpectations();
    }

    public void testVerificationCanBeOverridden()
            throws Throwable {
        final ExpectationCounter overriddenVerifyCalls =
                new ExpectationCounter("overridden verify #calls");

        ExampleTestCase testCase = new ExampleTestCase()
        {
            public void verify() {
                overriddenVerifyCalls.inc();
            }
        };

        overriddenVerifyCalls.setExpected(1);
        testCase.runBare();
        overriddenVerifyCalls.verify();
        testCase.verifyExpectations();
    }

    public void testOverridingRunTestDoesNotAffectVerification() throws Throwable {
        ExampleTestCase testCase = new ExampleTestCase()
        {
            public void runTest() {
            }
        };

        testCase.setExpectedVerifyCalls(1);
        testCase.runBare();
        testCase.verifyExpectations();
    }

    public void testOverridingSetUpAndTearDownDoesNotAffectVerification() throws Throwable {
        ExampleTestCase testCase = new ExampleTestCase()
        {
            public void setUp() {
            }

            public void tearDown() {
            }
        };

        testCase.setExpectedVerifyCalls(1);
        testCase.runBare();
        testCase.verifyExpectations();
    }

    public void testAutomaticallyVerifiesAnyObjectsRegisteredAsRequiringVerificatin() throws Throwable {
        // setup
        ExampleTestCase testCase = new ExampleTestCase();
        MockVerifiable aVerifiable = new MockVerifiable();
        MockVerifiable anotherVerifiable = new MockVerifiable();

        // expect
        aVerifiable.setExpectedVerifyCalls(1);
        anotherVerifiable.setExpectedVerifyCalls(1);

        // execute
        testCase.registerToVerify(aVerifiable);
        testCase.registerToVerify(anotherVerifiable);
        testCase.runBare();

        // verify
        aVerifiable.verifyExpectations();
        anotherVerifiable.verifyExpectations();
    }

    public void testAllowsVerifiableObjectsToBeUnregistered() throws Throwable {
        // setup
        ExampleTestCase testCase = new ExampleTestCase();
        MockVerifiable aVerifiable = new MockVerifiable();

        // expect
        aVerifiable.setExpectedVerifyCalls(0);

        // execute
        testCase.registerToVerify(aVerifiable);
        testCase.unregisterToVerify(aVerifiable);
        testCase.runBare();

        // verify
        aVerifiable.verifyExpectations();
    }
}