1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/openide.util/test/unit/src/org/openide/util/test/MockLookup.java	Wed Apr 25 02:14:40 2007 +0000
     1.3 @@ -0,0 +1,83 @@
     1.4 +/*
     1.5 + * The contents of this file are subject to the terms of the Common Development
     1.6 + * and Distribution License (the License). You may not use this file except in
     1.7 + * compliance with the License.
     1.8 + *
     1.9 + * You can obtain a copy of the License at http://www.netbeans.org/cddl.html
    1.10 + * or http://www.netbeans.org/cddl.txt.
    1.11 + *
    1.12 + * When distributing Covered Code, include this CDDL Header Notice in each file
    1.13 + * and include the License file at http://www.netbeans.org/cddl.txt.
    1.14 + * If applicable, add the following below the CDDL Header, with the fields
    1.15 + * enclosed by brackets [] replaced by your own identifying information:
    1.16 + * "Portions Copyrighted [year] [name of copyright owner]"
    1.17 + *
    1.18 + * The Original Software is NetBeans. The Initial Developer of the Original
    1.19 + * Software is Sun Microsystems, Inc. Portions Copyright 1997-2007 Sun
    1.20 + * Microsystems, Inc. All Rights Reserved.
    1.21 + */
    1.22 +
    1.23 +package org.openide.util.test;
    1.24 +
    1.25 +import java.lang.reflect.Field;
    1.26 +import static junit.framework.Assert.*;
    1.27 +import org.openide.util.Lookup;
    1.28 +import org.openide.util.lookup.Lookups;
    1.29 +import org.openide.util.lookup.ProxyLookup;
    1.30 +
    1.31 +/**
    1.32 + * Mock implementation of system default lookup suitable for use in unit tests.
    1.33 + * The initial value just contains classpath services.
    1.34 + */
    1.35 +public class MockLookup extends ProxyLookup {
    1.36 +
    1.37 +    private static MockLookup DEFAULT;
    1.38 +    private static boolean making = false;
    1.39 +
    1.40 +    static {
    1.41 +        making = true;
    1.42 +        try {
    1.43 +            System.setProperty("org.openide.util.Lookup", MockLookup.class.getName());
    1.44 +            if (Lookup.getDefault().getClass() != MockLookup.class) {
    1.45 +                // Someone else initialized lookup first. Try to force our way.
    1.46 +                Field defaultLookup = Lookup.class.getDeclaredField("defaultLookup");
    1.47 +                defaultLookup.setAccessible(true);
    1.48 +                defaultLookup.set(null, null);
    1.49 +            }
    1.50 +            assertEquals(MockLookup.class, Lookup.getDefault().getClass());
    1.51 +        } catch (Exception x) {
    1.52 +            throw new ExceptionInInitializerError(x);
    1.53 +        } finally {
    1.54 +            making = false;
    1.55 +        }
    1.56 +    }
    1.57 +
    1.58 +    /** Do not call this directly! */
    1.59 +    public MockLookup() {
    1.60 +        assertTrue(making);
    1.61 +        assertNull(DEFAULT);
    1.62 +        DEFAULT = this;
    1.63 +        setInstances();
    1.64 +    }
    1.65 +
    1.66 +    /**
    1.67 +     * Sets the global default lookup with zero or more delegate lookups.
    1.68 +     * Caution: if you don't include Lookups.metaInfServices, you may have trouble,
    1.69 +     * e.g. {@link #makeScratchDir} will not work.
    1.70 +     * Most of the time you should use {@link #setInstances} instead.
    1.71 +     */
    1.72 +    public static void setLookup(Lookup... lookups) {
    1.73 +        DEFAULT.setLookups(lookups);
    1.74 +    }
    1.75 +
    1.76 +    /**
    1.77 +     * Sets the global default lookup with some fixed instances.
    1.78 +     * Will also include (at a lower priority) a {@link ClassLoader},
    1.79 +     * and services found from <code>META-INF/services/*</code> in the classpath.
    1.80 +     */
    1.81 +    public static void setInstances(Object... instances) {
    1.82 +        ClassLoader l = MockLookup.class.getClassLoader();
    1.83 +        setLookup(Lookups.fixed(instances), Lookups.metaInfServices(l), Lookups.singleton(l));
    1.84 +    }
    1.85 +
    1.86 +}

     2.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     2.2 +++ b/openide.util/test/unit/src/org/openide/util/test/MockLookupTest.java	Wed Apr 25 02:14:40 2007 +0000
     2.3 @@ -0,0 +1,44 @@
     2.4 +/*
     2.5 + * The contents of this file are subject to the terms of the Common Development
     2.6 + * and Distribution License (the License). You may not use this file except in
     2.7 + * compliance with the License.
     2.8 + *
     2.9 + * You can obtain a copy of the License at http://www.netbeans.org/cddl.html
    2.10 + * or http://www.netbeans.org/cddl.txt.
    2.11 + *
    2.12 + * When distributing Covered Code, include this CDDL Header Notice in each file
    2.13 + * and include the License file at http://www.netbeans.org/cddl.txt.
    2.14 + * If applicable, add the following below the CDDL Header, with the fields
    2.15 + * enclosed by brackets [] replaced by your own identifying information:
    2.16 + * "Portions Copyrighted [year] [name of copyright owner]"
    2.17 + *
    2.18 + * The Original Software is NetBeans. The Initial Developer of the Original
    2.19 + * Software is Sun Microsystems, Inc. Portions Copyright 1997-2007 Sun
    2.20 + * Microsystems, Inc. All Rights Reserved.
    2.21 + */
    2.22 +
    2.23 +package org.openide.util.test;
    2.24 +
    2.25 +import junit.framework.TestCase;
    2.26 +import org.openide.util.Lookup;
    2.27 +
    2.28 +public class MockLookupTest extends TestCase {
    2.29 +
    2.30 +    // XXX test:
    2.31 +    // setLookup with one or more lookup args does not use M-I/s
    2.32 +    // still works if another Lookup.getDefault was set before
    2.33 +
    2.34 +    public MockLookupTest(String n) {
    2.35 +        super(n);
    2.36 +    }
    2.37 +
    2.38 +    public void testSetLookup() throws Exception {
    2.39 +        MockLookup.setInstances("hello");
    2.40 +        assertEquals("initial lookup works", "hello", Lookup.getDefault().lookup(String.class));
    2.41 +        MockLookup.setInstances("goodbye");
    2.42 +        assertEquals("modified lookup works", "goodbye", Lookup.getDefault().lookup(String.class));
    2.43 +        MockLookup.setInstances();
    2.44 +        assertEquals("cleared lookup works", null, Lookup.getDefault().lookup(String.class));
    2.45 +    }
    2.46 +
    2.47 +}