EasyMock example source code file (UsageStrictMockTest.java)

This example EasyMock source code file (UsageStrictMockTest.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, expectation, imethods, test, test, unexpected, unexpected, usagestrictmocktest

The EasyMock UsageStrictMockTest.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.tests2;

import static org.easymock.EasyMock.*;
import static org.junit.Assert.*;

import org.easymock.internal.ReplayState;
import org.easymock.tests.IMethods;
import org.easymock.tests.Util;
import org.junit.Before;
import org.junit.Test;

public class UsageStrictMockTest {
    private IMethods mock;

    @Before
    public void setup() {
        mock = createStrictMock(IMethods.class);
        mock.simpleMethodWithArgument("1");
        mock.simpleMethodWithArgument("2");
        replay(mock);
    }

    @Test
    public void orderedCallsSucces() {
        mock.simpleMethodWithArgument("1");
        mock.simpleMethodWithArgument("2");
        verify(mock);
    }

    @Test
    public void unorderedCallsFailure() {
        boolean failed = false;
        try {
            mock.simpleMethodWithArgument("2");
        } catch (AssertionError expected) {
            failed = true;
        }
        if (!failed) {
            fail("unordered calls accepted");
        }
    }

    @Test
    public void tooManyCallsFailure() {
        mock.simpleMethodWithArgument("1");
        mock.simpleMethodWithArgument("2");

        boolean failed = false;
        try {
            mock.simpleMethodWithArgument("2");
        } catch (AssertionError expected) {
            failed = true;
        }
        if (!failed) {
            fail("too many calls accepted");
        }
    }

    @Test
    public void tooFewCallsFailure() {
        mock.simpleMethodWithArgument("1");
        boolean failed = false;
        try {
            verify(mock);
        } catch (AssertionError expected) {
            failed = true;
            assertTrue("stack trace must be filled in", Util.getStackTrace(
                    expected).indexOf(ReplayState.class.getName()) == -1);
        }
        if (!failed) {
            fail("too few calls accepted");
        }
    }

    @Test
    public void differentMethods() {

        reset(mock);

        mock.booleanReturningMethod(0);
        expectLastCall().andReturn(true);
        mock.simpleMethod();
        mock.booleanReturningMethod(1);
        expectLastCall().andReturn(false).times(2, 3);
        mock.simpleMethod();
        expectLastCall().atLeastOnce();

        replay(mock);
        assertEquals(true, mock.booleanReturningMethod(0));
        mock.simpleMethod();

        boolean failed = false;
        try {
            verify(mock);
        } catch (AssertionError expected) {
            failed = true;
            assertEquals(
                    "\n  Expectation failure on verify:"
                            + "\n    simpleMethod(): expected: 1, actual: 1"
                            + "\n    booleanReturningMethod(1): expected: between 2 and 3, actual: 0"
                            + "\n    simpleMethod(): expected: at least 1, actual: 0",
                    expected.getMessage());
        }
        if (!failed) {
            fail("too few calls accepted");
        }

        assertEquals(false, mock.booleanReturningMethod(1));

        failed = false;
        try {
            mock.simpleMethod();
        } catch (AssertionError expected) {
            failed = true;
            assertEquals(
                    "\n  Unexpected method call simpleMethod():"
                            + "\n    booleanReturningMethod(1): expected: between 2 and 3, actual: 1",
                    expected.getMessage());
        }
        if (!failed) {
            fail("wrong call accepted");
        }
    }

    @Test
    public void range() {

        reset(mock);

        mock.booleanReturningMethod(0);
        expectLastCall().andReturn(true);
        mock.simpleMethod();
        mock.booleanReturningMethod(1);
        expectLastCall().andReturn(false).times(2, 3);
        mock.simpleMethod();
        expectLastCall().atLeastOnce();
        expect(mock.booleanReturningMethod(1)).andReturn(false);

        replay(mock);

        mock.booleanReturningMethod(0);
        mock.simpleMethod();

        mock.booleanReturningMethod(1);
        mock.booleanReturningMethod(1);
        mock.booleanReturningMethod(1);

        boolean failed = false;

        try {
            mock.booleanReturningMethod(1);
        } catch (AssertionError expected) {
            failed = true;
            assertEquals(
                    "\n  Unexpected method call booleanReturningMethod(1):"
                            + "\n    booleanReturningMethod(1): expected: between 2 and 3, actual: 3 (+1)"
                            + "\n    simpleMethod(): expected: at least 1, actual: 0",
                    expected.getMessage());
        }
        if (!failed) {
            fail("too many calls accepted");
        }
    }

    @Test
    public void stubBehavior() {
        reset(mock);

        mock.booleanReturningMethod(1);
        expectLastCall().andReturn(true).andReturn(false).andReturn(true);
        mock.booleanReturningMethod(anyInt());
        expectLastCall().andStubReturn(true);

        replay(mock);

        assertEquals(true, mock.booleanReturningMethod(2));
        assertEquals(true, mock.booleanReturningMethod(3));
        assertEquals(true, mock.booleanReturningMethod(1));
        assertEquals(false, mock.booleanReturningMethod(1));
        assertEquals(true, mock.booleanReturningMethod(3));

        boolean failed = false;
        try {
            verify(mock);
        } catch (AssertionError expected) {
            failed = true;
            assertEquals(
                    "\n  Expectation failure on verify:"
                            + "\n    booleanReturningMethod(1): expected: 3, actual: 2",
                    expected.getMessage());
        }
        if (!failed) {
            fail("too few calls accepted");
        }
    }
}