src/test/java/org/apache/sling/feature/FeatureTest.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements. See the NOTICE file distributed with this
 * work for additional information regarding copyright ownership. The ASF
 * licenses this file to You under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package org.apache.sling.feature;

import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertSame;

import java.util.Arrays;
import java.util.Collections;
import java.util.Map;

import org.junit.Test;

public class FeatureTest {

    @Test public void testVariableMetadata() {
        final ArtifactId self = ArtifactId.parse("self:self:1");
        final Feature f = new Feature(self);

        f.getVariables().put("a", "foo");
        final Map<String, Object> metadata = f.getVariableMetadata("a");
        assertNotNull(metadata);

        assertNull(f.getVariableMetadata("b"));
        f.getVariables().put("b", "bar");
        assertNotNull(f.getVariableMetadata("b"));

        metadata.put("hello", "world");

        assertEquals(1, f.getVariableMetadata("a").size());

        f.getVariables().remove("b");
        assertNull(f.getVariableMetadata("b"));
    }

    @Test public void testFrameworkPropertiesMetadata() {
        final ArtifactId self = ArtifactId.parse("self:self:1");
        final Feature f = new Feature(self);

        f.getFrameworkProperties().put("a", "foo");
        final Map<String, Object> metadata = f.getFrameworkPropertyMetadata("a");
        assertNotNull(metadata);

        assertNull(f.getFrameworkPropertyMetadata("b"));
        f.getFrameworkProperties().put("b", "bar");
        assertNotNull(f.getFrameworkPropertyMetadata("b"));

        metadata.put("hello", "world");

        assertEquals(1, f.getFrameworkPropertyMetadata("a").size());

        f.getFrameworkProperties().remove("b");
        assertNull(f.getFrameworkPropertyMetadata("b"));
    }

    @Test public void testVariableOrigins() {
        final ArtifactId self = ArtifactId.parse("self:self:1");
        final Feature f = new Feature(self);

        f.getVariables().put("a", "foo");
        final Map<String, Object> metadata = f.getVariableMetadata("a");

        assertNull(metadata.get(Artifact.KEY_FEATURE_ORIGINS));
        assertEquals(1, f.getFeatureOrigins(metadata).size());
        assertEquals(self, f.getFeatureOrigins(metadata).get(0));

        // single id
        final ArtifactId id = ArtifactId.parse("g:a:1");
        f.setFeatureOrigins(metadata, Collections.singletonList(id));
        assertEquals(1, f.getFeatureOrigins(metadata).size());
        assertEquals(id, f.getFeatureOrigins(metadata).get(0));

        assertNotNull(metadata.get(Artifact.KEY_FEATURE_ORIGINS));
        final String[] array = (String[]) metadata.get(Artifact.KEY_FEATURE_ORIGINS);
        assertArrayEquals(new String[] {id.toMvnId()}, array);

        // add another id
        final ArtifactId id2 = ArtifactId.parse("g:b:2");
        f.setFeatureOrigins(metadata, Arrays.asList(id, id2));
        assertEquals(2, f.getFeatureOrigins(metadata).size());
        assertEquals(id, f.getFeatureOrigins(metadata).get(0));
        assertEquals(id2, f.getFeatureOrigins(metadata).get(1));

        assertNotNull(metadata.get(Artifact.KEY_FEATURE_ORIGINS));
        final String[] array2 = (String[]) metadata.get(Artifact.KEY_FEATURE_ORIGINS);
        assertArrayEquals(new String[] {id.toMvnId(), id2.toMvnId()}, array2);

        assertSame(metadata, f.getVariableMetadata("a"));
    }

    @Test public void testFrameworkPropertiesOrigins() {
        final ArtifactId self = ArtifactId.parse("self:self:1");
        final Feature f = new Feature(self);

        f.getFrameworkProperties().put("a", "foo");
        final Map<String, Object> metadata = f.getFrameworkPropertyMetadata("a");

        assertNull(metadata.get(Artifact.KEY_FEATURE_ORIGINS));
        assertEquals(1, f.getFeatureOrigins(metadata).size());
        assertEquals(self, f.getFeatureOrigins(metadata).get(0));

        // single id
        final ArtifactId id = ArtifactId.parse("g:a:1");
        f.setFeatureOrigins(metadata, Collections.singletonList(id));
        assertEquals(1, f.getFeatureOrigins(metadata).size());
        assertEquals(id, f.getFeatureOrigins(metadata).get(0));

        assertNotNull(metadata.get(Artifact.KEY_FEATURE_ORIGINS));
        final String[] array = (String[]) metadata.get(Artifact.KEY_FEATURE_ORIGINS);
        assertArrayEquals(new String[] {id.toMvnId()}, array);

        // add another id
        final ArtifactId id2 = ArtifactId.parse("g:b:2");
        f.setFeatureOrigins(metadata, Arrays.asList(id, id2));
        assertEquals(2, f.getFeatureOrigins(metadata).size());
        assertEquals(id, f.getFeatureOrigins(metadata).get(0));
        assertEquals(id2, f.getFeatureOrigins(metadata).get(1));

        assertNotNull(metadata.get(Artifact.KEY_FEATURE_ORIGINS));
        final String[] array2 = (String[]) metadata.get(Artifact.KEY_FEATURE_ORIGINS);
        assertArrayEquals(new String[] {id.toMvnId(), id2.toMvnId()}, array2);

        assertSame(metadata, f.getFrameworkPropertyMetadata("a"));
    }
}