/*
 * 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.extension.apiregions.analyser;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;

import java.util.Arrays;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;

import org.apache.sling.feature.extension.apiregions.api.ApiExport;
import org.apache.sling.feature.extension.apiregions.api.ApiRegion;
import org.apache.sling.feature.extension.apiregions.api.ApiRegions;
import org.apache.sling.feature.extension.apiregions.api.DeprecationInfo;
import org.junit.Test;

public class CheckDeprecatedApiTest {
    
    @Test public void testIsInAllowedRegion() {
        final CheckDeprecatedApi analyser = new CheckDeprecatedApi();

        final Set<String> allowedRegions = new HashSet<>(Arrays.asList("deprecated", "global"));

        assertTrue(analyser.isInAllowedRegion(new HashSet<>(Arrays.asList("deprecated", "global")), "deprecated", allowedRegions));
        assertFalse(analyser.isInAllowedRegion(new HashSet<>(Arrays.asList("deprecated", "global", "internal")), "deprecated", allowedRegions));
        assertTrue(analyser.isInAllowedRegion(new HashSet<>(Arrays.asList("deprecated")), "deprecated", allowedRegions));
        assertFalse(analyser.isInAllowedRegion(new HashSet<>(Arrays.asList("foo")), "deprecated", allowedRegions));
    }

    @Test public void testGetAllowedRegions() {
        final CheckDeprecatedApi analyser = new CheckDeprecatedApi();

        final ApiRegions regions = new ApiRegions();
        regions.add(new ApiRegion("global"));
        regions.add(new ApiRegion("deprecated"));
        regions.add(new ApiRegion("internal"));
        assertEquals(new HashSet<>(Arrays.asList("global")), analyser.getAllowedRegions(regions.getRegionByName("global")));
        assertEquals(new HashSet<>(Arrays.asList("global", "deprecated")), analyser.getAllowedRegions(regions.getRegionByName("deprecated")));
        assertEquals(new HashSet<>(Arrays.asList("global", "deprecated", "internal")), analyser.getAllowedRegions(regions.getRegionByName("internal")));
    }

    @Test public void testCalculateDeprecatedPackages() {
        final CheckDeprecatedApi analyser = new CheckDeprecatedApi();

        final ApiRegion region = new ApiRegion("global");
        final ApiExport e1 = new ApiExport("e1");
        e1.getDeprecation().setPackageInfo(new DeprecationInfo("deprecated-e1"));
        final ApiExport e2 = new ApiExport("e2");
        final ApiExport e3 = new ApiExport("e3");
        e3.getDeprecation().addMemberInfo("Foo", new DeprecationInfo("deprecated-e3"));

        region.add(e1);
        region.add(e2);
        region.add(e3);
        
        // only e1 should be returned
        final Set<ApiExport> exports = analyser.calculateDeprecatedPackages(region, Collections.emptyMap());
        assertEquals(1, exports.size());
        final ApiExport exp = exports.iterator().next();
        assertEquals(e1.getName(), exp.getName());
        assertEquals(e1.getDeprecation().getPackageInfo().getMessage(), exp.getDeprecation().getPackageInfo().getMessage());
    }
}