EasyMock example source code file (UsageCallCountTest.java)

This example EasyMock source code file (UsageCallCountTest.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, expected, expected, mockcontrol, test, test, usagecallcounttest, voidmethodinterface, voidmethodinterface

The EasyMock UsageCallCountTest.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 org.easymock.MockControl;
import org.junit.Before;
import org.junit.Test;

public class UsageCallCountTest {

    private MockControl<VoidMethodInterface> control;

    private VoidMethodInterface mock;

    private interface VoidMethodInterface {
        void method();
    }

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

    @Test
    public void mockWithNoExpectedCallsPassesWithNoCalls() {
        control.replay();
        control.verify();
    }

    @Test
    public void mockWithNoExpectedCallsFailsAtFirstCall() {
        control.replay();
        assertMethodCallFails();
    }

    @Test
    public void mockWithOneExpectedCallFailsAtVerify() {
        callMethodOnce();
        control.replay();
        assertVerifyFails();
    }

    @Test
    public void mockWithOneExpectedCallPassesWithOneCall() {
        callMethodOnce();
        control.replay();
        callMethodOnce();
        control.verify();
    }

    @Test
    public void mockWithOneExpectedCallFailsAtSecondCall() {
        callMethodOnce();
        control.replay();
        callMethodOnce();
        assertMethodCallFails();
    }

    @Test
    public void tooFewCalls() {
        callMethodThreeTimes();
        control.replay();
        callMethodTwice();
        assertVerifyFails();
    }

    @Test
    public void correctNumberOfCalls() {
        callMethodThreeTimes();
        control.replay();
        callMethodThreeTimes();
        control.verify();
    }

    @Test
    public void tooManyCalls() {
        callMethodThreeTimes();
        control.replay();
        callMethodThreeTimes();
        assertMethodCallFails();
    }

    private void callMethodOnce() {
        mock.method();
    }

    private void callMethodTwice() {
        mock.method();
        mock.method();
    }

    private void callMethodThreeTimes() {
        mock.method();
        mock.method();
        mock.method();
    }

    private void assertVerifyFails() {
        try {
            control.verify();
            fail("Expected AssertionError");
        } catch (AssertionError expected) {
        }
    }

    private void assertMethodCallFails() {
        try {
            mock.method();
            fail("Expected AssertionError");
        } catch (AssertionError expected) {
        }
    }

    @Test
    public void noUpperLimitWithoutCallCountSet() {
        mock.method();
        control.setVoidCallable(MockControl.ONE_OR_MORE);
        control.replay();
        assertVerifyFails();
        mock.method();
        control.verify();
        mock.method();
        control.verify();
        mock.method();
        control.verify();
    }
}