EasyMock example source code file (InvocationTest.java)

This example EasyMock source code file (InvocationTest.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

class, equalsmatcher, invocation, invocation, method, nosuchmethodexception, object, object, reflection, securityexception, string, test, test, tostring, tostring

The EasyMock InvocationTest.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.lang.reflect.Method;

import org.easymock.internal.EqualsMatcher;
import org.easymock.internal.Invocation;
import org.junit.Before;
import org.junit.Test;

public class InvocationTest {

    private Invocation call;

    private Invocation equalCall;

    private Invocation nonEqualCall;

    @Before
    public void setup() throws SecurityException, NoSuchMethodException {
        Object[] arguments1 = new Object[] { "" };
        Object[] arguments2 = new Object[] { "" };
        Object[] arguments3 = new Object[] { "X" };
        Method m = Object.class.getMethod("equals",
                new Class[] { Object.class });
        Object mock = new Object();
        call = new Invocation(mock, m, arguments1);
        equalCall = new Invocation(mock, m, arguments2);
        nonEqualCall = new Invocation(mock, m, arguments3);
    }

    @Test
    public void testEquals() {
        assertFalse(call.equals(null));
        assertFalse(call.equals(""));
        assertTrue(call.equals(equalCall));
        assertFalse(call.equals(nonEqualCall));
    }

    @Test
    public void testHashCode() {
        try {
            call.hashCode();
            fail();
        } catch (UnsupportedOperationException expected) {
            assertEquals("hashCode() is not implemented", expected.getMessage());
        }
    }

    @Test
    public void testShouldDisplayMocksToStringIfValidJavaIdentifier()
            throws SecurityException, NoSuchMethodException {
        class ToString {
            private final String name;

            public ToString(String name) {
                this.name = name;
            }

            @Override
            public String toString() {
                return name;
            }

            public void aMethod() {
            }
        }

        Method method = ToString.class.getMethod("aMethod", new Class[0]);
        Invocation invocation = new Invocation(new ToString("validJavaIdentifier"),
                method, null);

        assertEquals(invocation.toString(new EqualsMatcher()),
                "validJavaIdentifier.aMethod()");

        invocation = new Invocation(new ToString("no-valid-java-identifier"),
                method, null);

        assertEquals(invocation.toString(new EqualsMatcher()), "aMethod()");

    }
}