EasyMock example source code file (ArgumentsMatcherTest.java)

This example EasyMock source code file (ArgumentsMatcherTest.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

a, abstractmatcher, abstractmatcher, argumentsmatchertest, illegalstateexception, imethods, integer, integer, object, object, override, string, test, test

The EasyMock ArgumentsMatcherTest.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.AbstractMatcher;
import org.easymock.ArgumentsMatcher;
import org.easymock.MockControl;
import org.junit.Before;
import org.junit.Test;

public class ArgumentsMatcherTest {

    MockControl<IMethods> control;

    IMethods mock;

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

    @Test
    public void expectedArgumentsDelegatedToMatcher() {
        mock.twoArgumentMethod(0, 5);
        control.setMatcher(new AbstractMatcher() {
            @Override
            public boolean matches(Object[] expected, Object[] actual) {
                assertEquals(0, ((Integer) expected[0]).intValue());
                assertEquals(5, ((Integer) expected[1]).intValue());
                assertEquals(1, ((Integer) actual[0]).intValue());
                assertEquals(6, ((Integer) actual[1]).intValue());
                return true;
            }
        });
        mock.simpleMethod();
        control.replay();
        mock.twoArgumentMethod(1, 6);
        mock.simpleMethod();
        control.verify();
    }

    @Test
    public void expectedArgumentsDelegatedToMatcher2() {
        mock.threeArgumentMethod(7, "", "A test");
        control.setMatcher(new AbstractMatcher() {
            @Override
            public boolean matches(Object[] expected, Object[] actual) {
                int expectedInt = ((Integer) expected[0]).intValue();
                int actualInt = ((Integer) actual[0]).intValue();
                return expectedInt < actualInt;
            }
        });
        control.setReturnValue("1");
        mock.threeArgumentMethod(6, "", "A test");
        control.setReturnValue("2");
        mock.threeArgumentMethod(12, "", "A test");
        control.setReturnValue("3");

        control.replay();
        mock.threeArgumentMethod(9, "test", "test");
        mock.threeArgumentMethod(8, "test", "test");
        mock.threeArgumentMethod(13, "test", "test");
        control.verify();
    }

    @Test
    public void errorString() {
        mock.twoArgumentMethod(0, 5);
        control.setMatcher(new ArgumentsMatcher() {
            public boolean matches(Object[] expected, Object[] actual) {
                return false;
            }

            public String toString(Object[] arguments) {
                return "<<" + arguments[0] + ">>";
            }
        });
        control.replay();
        boolean failed = false;
        try {
            mock.twoArgumentMethod(1, 5);
        } catch (AssertionError expected) {
            failed = true;
            assertEquals("\n  Unexpected method call twoArgumentMethod(1, 5):"
                    + "\n    twoArgumentMethod(<<0>>): expected: 1, actual: 0",
                    expected.getMessage());
        }
        if (!failed) {
            fail("exception expected");
        }
    }

    @Test
    public void settingTheSameMatcherIsOk() {
        try {
            mock.twoArgumentMethod(1, 2);
            control.setMatcher(MockControl.ARRAY_MATCHER);
            control.setMatcher(MockControl.ARRAY_MATCHER);
            mock.twoArgumentMethod(1, 2);
            control.setMatcher(MockControl.ARRAY_MATCHER);

        } catch (IllegalStateException unexpected) {
            fail("no exception should be thrown if the same matcher is set twice");
        }
    }

    @Test
    public void abstractMatcher() {
        AbstractMatcher trueMatcher = new AbstractMatcher() {
            protected boolean parameterMatches(Object expected, Object actual) {
                return true;
            }
        };
        Object[] arrayWithNull = new Object[] { null };
        Object[] arrayWithObject = new Object[] { new Object() };
        assertFalse(trueMatcher.matches(arrayWithNull, arrayWithObject));
        assertFalse(trueMatcher.matches(arrayWithObject, arrayWithNull));
    }

    @Test
    public void abstractMatcherToStringHandlesNullArray() {
        AbstractMatcher matcher = new AbstractMatcher() {
        };
        assertEquals("", matcher.toString(null));
    }

}