/*
 * Copyright (C) 2015 The Android Open Source Project
 *
 * Licensed 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 com.android.compatibility.common.generator;

import java.io.IOException;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.List;

import junit.framework.TestCase;

/** Unit tests for {@link ManifestGenerator}. */
public class ManifestGeneratorTest extends TestCase {

    private static final String PACKAGE = "test.package";
    private static final String INSTRUMENT = "test.package.TestInstrument";
    private static final String MIN_SDK = "8";
    private static final String TARGET_SDK = "17";
    private static final String MANIFEST =
            "<?xml version='1.0' encoding='UTF-8' standalone='yes' ?>\r\n"
                    + "<manifest xmlns:android=\"http://schemas.android.com/apk/res/android\" "
                    + "package=\"test.package\">\r\n"
                    + "  <uses-sdk android:minSdkVersion=\"8\" android:targetSdkVersion=\"17\" "
                    + "/>\r\n"
                    + "%s"
                    + "  <application>\r\n"
                    + "%s"
                    + "%s"
                    + "%s"
                    + "  </application>\r\n"
                    + "  <instrumentation android:name=\"test.package.TestInstrument\" "
                    + "android:targetPackage=\"test.package\" />\r\n"
                    + "</manifest>";
    private static final String PERMISSION = "  <uses-permission android:name=\"%s\" />\r\n";
    private static final String PERMISSION_A = "android.permission.PermissionA";
    private static final String PERMISSION_B = "android.permission.PermissionB";
    private static final String ACTIVITY = "    <activity android:name=\"%s\" />\r\n";
    private static final String ACTIVITY_A = "test.package.ActivityA";
    private static final String ACTIVITY_B = "test.package.ActivityB";
    private static final String USES_LIBRARY = "    <uses-library android:name=\"%s\" />\r\n";
    private static final String USES_OPTIONAL_LIBRARY =
            "    <uses-library android:name=\"%s\" android:required=\"false\" />\r\n";
    private static final String LIBRARY = "test.runner.library";
    private static final String OPTIONAL_LIBRARY = "android.test.base";

    public void testManifest() throws Exception {
        List<String> permissions = new ArrayList<>();
        permissions.add(PERMISSION_A);
        permissions.add(PERMISSION_B);
        List<String> activities = new ArrayList<>();
        activities.add(ACTIVITY_A);
        activities.add(ACTIVITY_B);
        List<String> libraries = new ArrayList<>();
        libraries.add(LIBRARY);
        List<String> optionalLibs = new ArrayList<>();
        optionalLibs.add(OPTIONAL_LIBRARY);
        OutputStream output = new OutputStream() {
            private StringBuilder string = new StringBuilder();
            @Override
            public void write(int b) throws IOException {
                this.string.append((char) b);
            }

            @Override
            public String toString(){
                return this.string.toString();
            }
        };
        ManifestGenerator.generate(
                output,
                PACKAGE,
                INSTRUMENT,
                MIN_SDK,
                TARGET_SDK,
                permissions,
                activities,
                libraries,
                optionalLibs);
        String permissionXml = String.format(PERMISSION, PERMISSION_A)
                + String.format(PERMISSION, PERMISSION_B);
        String activityXml = String.format(ACTIVITY, ACTIVITY_A)
                + String.format(ACTIVITY, ACTIVITY_B);
        String libraryXml = String.format(USES_LIBRARY, LIBRARY);
        String optionalLibraryXml = String.format(USES_OPTIONAL_LIBRARY, OPTIONAL_LIBRARY);
        String expected =
                String.format(MANIFEST, permissionXml, libraryXml, optionalLibraryXml, activityXml);
        assertEquals("Wrong manifest output", expected, output.toString());
    }

}