EasyMock example source code file (UsageVerifyTest.java)

This example EasyMock source code file (UsageVerifyTest.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - EasyMock tags/keywords

assertionerror, assertionerror, before, expectation, imethods, io, ioexception, ioexception, mockcontrol, test, test, test2, test2, unexpected, usageverifytest

The EasyMock UsageVerifyTest.java source code

/*
 * Copyright (c) 2001-2007 OFFIS, Tammo Freese.
 * This program is made available under the terms of the MIT License.
 */
package org.easymock.tests;

import static org.junit.Assert.*;

import java.io.IOException;

import org.easymock.MockControl;
import org.easymock.internal.ReplayState;
import org.junit.Before;
import org.junit.Test;

public class UsageVerifyTest {
    private MockControl<IMethods> control;

    private IMethods mock;

    @Before
    public void setup() {
        control = MockControl.createControl(IMethods.class);
        mock = control.getMock();
    }

    @Test
    public void twoReturns() {
        mock.throwsNothing(true);
        control.setReturnValue("Test");
        control.setReturnValue("Test2");

        control.replay();

        assertEquals("Test", mock.throwsNothing(true));

        boolean failed = true;

        try {
            control.verify();
            failed = false;
        } catch (AssertionError expected) {
            assertEquals("\n  Expectation failure on verify:"
                    + "\n    throwsNothing(true): expected: 2, actual: 1",
                    expected.getMessage());
            assertTrue("stack trace must be filled in", Util.getStackTrace(
                    expected).indexOf(ReplayState.class.getName()) == -1);
        }

        if (!failed)
            fail("AssertionError expected");

        assertEquals("Test2", mock.throwsNothing(true));

        control.verify();

        try {
            mock.throwsNothing(true);
            fail("AssertionError expected");
        } catch (AssertionError expected) {
            assertEquals("\n  Unexpected method call throwsNothing(true):"
                    + "\n    throwsNothing(true): expected: 2, actual: 2 (+1)",
                    expected.getMessage());
        }
    }

    @Test
    public void atLeastTwoReturns() {
        mock.throwsNothing(true);
        control.setReturnValue("Test");
        control.setReturnValue("Test2", MockControl.ONE_OR_MORE);

        control.replay();

        assertEquals("Test", mock.throwsNothing(true));

        try {
            control.verify();
            fail("AssertionError expected");
        } catch (AssertionError expected) {

            assertEquals(
                    "\n  Expectation failure on verify:"
                            + "\n    throwsNothing(true): expected: at least 2, actual: 1",
                    expected.getMessage());
        }

        assertEquals("Test2", mock.throwsNothing(true));
        assertEquals("Test2", mock.throwsNothing(true));

        control.verify();
    }

    @Test
    public void twoThrows() throws IOException {
        mock.throwsIOException(0);
        control.setThrowable(new IOException());
        control.setThrowable(new IOException());
        mock.throwsIOException(1);
        control.setThrowable(new IOException());

        control.replay();

        try {
            mock.throwsIOException(0);
            fail("IOException expected");
        } catch (IOException expected) {
        }

        try {
            control.verify();
            fail("AssertionError expected");
        } catch (AssertionError expected) {
            assertEquals("\n  Expectation failure on verify:"
                    + "\n    throwsIOException(0): expected: 2, actual: 1"
                    + "\n    throwsIOException(1): expected: 1, actual: 0",
                    expected.getMessage());
        }

        try {
            mock.throwsIOException(0);
            fail("IOException expected");
        } catch (IOException expected) {
        }

        try {
            control.verify();
            fail("AssertionError expected");
        } catch (AssertionError expected) {
            assertEquals("\n  Expectation failure on verify:"
                    + "\n    throwsIOException(1): expected: 1, actual: 0",
                    expected.getMessage());
        }

        try {
            mock.throwsIOException(1);
            fail("IOException expected");
        } catch (IOException expected) {
        }

        control.verify();

        try {
            mock.throwsIOException(0);
            fail("AssertionError expected");
        } catch (AssertionError expected) {
            assertEquals(
                    "\n  Unexpected method call throwsIOException(0):"
                            + "\n    throwsIOException(0): expected: 2, actual: 2 (+1)",
                    expected.getMessage());
        }
    }
}