text: /**
   * @license
   * Copyright 2016 Google Inc.
   *
   * 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.
   */
  
  describe('DashParser SegmentTemplate', function() {
    const Dash = shaka.test.Dash;
    const ManifestParser = shaka.test.ManifestParser;
    const baseUri = 'http://example.com/';
  
    /** @type {!shaka.test.FakeNetworkingEngine} */
    let fakeNetEngine;
    /** @type {!shaka.dash.DashParser} */
    let parser;
    /** @type {shaka.extern.ManifestParser.PlayerInterface} */
    let playerInterface;
  
    beforeEach(function() {
      fakeNetEngine = new shaka.test.FakeNetworkingEngine();
      parser = shaka.test.Dash.makeDashParser();
  
      playerInterface = {
        networkingEngine: fakeNetEngine,
        filterNewPeriod: function() {},
        filterAllPeriods: function() {},
        onTimelineRegionAdded: fail,  // Should not have any EventStream elements.
        onEvent: fail,
        onError: fail,
      };
    });
  
    shaka.test.Dash.makeTimelineTests(
        'SegmentTemplate', 'media="s$Number$.mp4"', []);
  
    describe('duration', function() {
      it('basic support', async () => {
        let source = Dash.makeSimpleManifestText([
          '<SegmentTemplate startNumber="1" media="s$Number$.mp4"',
          '  duration="10" />',
        ], 60 /* duration */);
        let references = [
          ManifestParser.makeReference('s1.mp4', 0, 0, 10, baseUri),
          ManifestParser.makeReference('s2.mp4', 1, 10, 20, baseUri),
          ManifestParser.makeReference('s3.mp4', 2, 20, 30, baseUri),
          ManifestParser.makeReference('s4.mp4', 3, 30, 40, baseUri),
          ManifestParser.makeReference('s5.mp4', 4, 40, 50, baseUri),
          ManifestParser.makeReference('s6.mp4', 5, 50, 60, baseUri),
        ];
        await Dash.testSegmentIndex(source, references);
      });
  
      it('with @startNumber > 1', async () => {
        let source = Dash.makeSimpleManifestText([
          '<SegmentTemplate startNumber="10" media="s$Number$.mp4"',
          '   duration="10" />',
        ], 30 /* duration */);
        let references = [
          ManifestParser.makeReference('s10.mp4', 0, 0, 10, baseUri),
          ManifestParser.makeReference('s11.mp4', 1, 10, 20, baseUri),
          ManifestParser.makeReference('s12.mp4', 2, 20, 30, baseUri),
        ];
        await Dash.testSegmentIndex(source, references);
      });
  
      it('honors presentationTimeOffset', function(done) {
        let source = Dash.makeSimpleManifestText([
          '<SegmentTemplate media="s$Number$.mp4" duration="10"',
          ' presentationTimeOffset="50" />',
        ], 30 /* duration */);
  
        fakeNetEngine.setResponseMapAsText({'dummy://foo': source});
        parser.start('dummy://foo', playerInterface)
            .then(function(manifest) {
              expect(manifest.periods.length).toBe(1);
              expect(manifest.periods[0].variants.length).toBe(1);
  
              let stream = manifest.periods[0].variants[0].video;
              expect(stream).toBeTruthy();
              expect(stream.presentationTimeOffset).toBe(50);
              expect(stream.getSegmentReference(0)).toEqual(
                  ManifestParser.makeReference('s1.mp4', 0, 0, 10, baseUri));
              expect(stream.getSegmentReference(1)).toEqual(
                  ManifestParser.makeReference('s2.mp4', 1, 10, 20, baseUri));
            })
            .catch(fail).then(done);
      });
  
      it('handles segments larger than the period', async () => {
        let source = Dash.makeSimpleManifestText([
          '<SegmentTemplate media="s$Number$.mp4" duration="60" />',
        ], 30 /* duration */);
        // The first segment is number 1 and position 0.
        // Although the segment is 60 seconds long, it is clipped to the period
        // duration of 30 seconds.
        let references = [
          ManifestParser.makeReference('s1.mp4', 0, 0, 30, baseUri),
        ];
        await Dash.testSegmentIndex(source, references);
      });
    });
  
    describe('index', function() {
      it('basic support', async () => {
        let source = Dash.makeSimpleManifestText([
          '<SegmentTemplate startNumber="1" index="index-$Bandwidth$.mp4"',
          '    initialization="init-$Bandwidth$.mp4" />',
        ]);
  
        fakeNetEngine.setResponseMapAsText({
          'dummy://foo': source,
          'http://example.com/index-500.mp4': '',
        });
        let manifest = await parser.start('dummy://foo', playerInterface);
        expect(manifest).toEqual(
            Dash.makeManifestFromInit('init-500.mp4', 0, null));
        await Dash.callCreateSegmentIndex(manifest);
  
        expect(fakeNetEngine.request.calls.count()).toBe(2);
        fakeNetEngine.expectRangeRequest(
            'http://example.com/index-500.mp4', 0, null);
      });
  
      it('defaults to index with multiple segment sources', async () => {
        let source = Dash.makeSimpleManifestText([
          '<SegmentTemplate startNumber="1" index="index-$Bandwidth$.mp4"',
          '    initialization="init-$Bandwidth$.mp4">',
          '  <SegmentTimeline>',
          '    <S t="0" d="3" r="12" />',
          '  </SegmentTimeline>',
          '</SegmentTemplate>',
        ]);
  
        fakeNetEngine.setResponseMapAsText({
          'dummy://foo': source,
          'http://example.com/index-500.mp4': '',
        });
        let manifest = await parser.start('dummy://foo', playerInterface);
        expect(manifest).toEqual(
            Dash.makeManifestFromInit('init-500.mp4', 0, null));
        await Dash.callCreateSegmentIndex(manifest);
  
        expect(fakeNetEngine.request.calls.count()).toBe(2);
        fakeNetEngine.expectRangeRequest(
            'http://example.com/index-500.mp4', 0, null);
      });
  
      it('requests init data for WebM', async () => {
        let source = [
          '<MPD mediaPresentationDuration="PT75S">',
          '  <Period>',
          '    <BaseURL>http://example.com</BaseURL>',
          '    <AdaptationSet mimeType="video/webm">',
          '      <Representation bandwidth="500">',
          '        <SegmentTemplate startNumber="1"',
          '            index="index-$Bandwidth$.webm"',
          '            initialization="init-$Bandwidth$.webm" />',
          '      </Representation>',
          '    </AdaptationSet>',
          '  </Period>',
          '</MPD>',
        ].join('\n');
  
        fakeNetEngine.setResponseMapAsText({
          'dummy://foo': source,
          'http://example.com/index-500.webm': '',
          'http://example.com/init-500.webm': '',
        });
        let manifest = await parser.start('dummy://foo', playerInterface);
        expect(manifest).toEqual(
            Dash.makeManifestFromInit('init-500.webm', 0, null));
        await Dash.callCreateSegmentIndex(manifest);
  
        expect(fakeNetEngine.request.calls.count()).toBe(3);
        fakeNetEngine.expectRangeRequest(
            'http://example.com/init-500.webm', 0, null);
        fakeNetEngine.expectRangeRequest(
            'http://example.com/index-500.webm', 0, null);
      });
  
      it('inherits from Period', async () => {
        let source = [
          '<MPD mediaPresentationDuration="PT75S">',
          '  <Period>',
          '    <BaseURL>http://example.com</BaseURL>',
          '    <SegmentTemplate startNumber="1" index="index-$Bandwidth$.mp4"',
          '        initialization="init-$Bandwidth$.mp4" />',
          '    <AdaptationSet mimeType="video/mp4">',
          '      <Representation bandwidth="500" />',
          '    </AdaptationSet>',
          '  </Period>',
          '</MPD>',
        ].join('\n');
  
        fakeNetEngine.setResponseMapAsText({
          'dummy://foo': source,
          'http://example.com/index-500.mp4': '',
        });
        let manifest = await parser.start('dummy://foo', playerInterface);
        expect(manifest).toEqual(
            Dash.makeManifestFromInit('init-500.mp4', 0, null));
        await Dash.callCreateSegmentIndex(manifest);
  
        expect(fakeNetEngine.request.calls.count()).toBe(2);
        fakeNetEngine.expectRangeRequest(
            'http://example.com/index-500.mp4', 0, null);
      });
  
      it('inherits from AdaptationSet', async () => {
        let source = [
          '<MPD mediaPresentationDuration="PT75S">',
          '  <Period>',
          '    <AdaptationSet mimeType="video/mp4">',
          '      <BaseURL>http://example.com</BaseURL>',
          '      <SegmentTemplate startNumber="1" index="index-$Bandwidth$.mp4"',
          '          initialization="init-$Bandwidth$.mp4" />',
          '      <Representation bandwidth="500" />',
          '    </AdaptationSet>',
          '  </Period>',
          '</MPD>',
        ].join('\n');
  
        fakeNetEngine.setResponseMapAsText({
          'dummy://foo': source,
          'http://example.com/index-500.mp4': '',
        });
        let manifest = await parser.start('dummy://foo', playerInterface);
        expect(manifest).toEqual(
            Dash.makeManifestFromInit('init-500.mp4', 0, null));
        await Dash.callCreateSegmentIndex(manifest);
  
        expect(fakeNetEngine.request.calls.count()).toBe(2);
        fakeNetEngine.expectRangeRequest(
            'http://example.com/index-500.mp4', 0, null);
      });
    });
  
    describe('media template', function() {
      it('defaults to timeline when also has duration', async () => {
        let source = Dash.makeSimpleManifestText([
          '<SegmentTemplate startNumber="0" duration="10"',
          '    media="$Number$-$Time$-$Bandwidth$.mp4">',
          '  <SegmentTimeline>',
          '    <S t="0" d="15" r="2" />',
          '  </SegmentTimeline>',
          '</SegmentTemplate>',
        ], 45 /* duration */);
        let references = [
          ManifestParser.makeReference('0-0-500.mp4', 0, 0, 15, baseUri),
          ManifestParser.makeReference('1-15-500.mp4', 1, 15, 30, baseUri),
          ManifestParser.makeReference('2-30-500.mp4', 2, 30, 45, baseUri),
        ];
        await Dash.testSegmentIndex(source, references);
      });
  
      it('with @startnumber = 0', async () => {
        let source = Dash.makeSimpleManifestText([
          '<SegmentTemplate startNumber="0" duration="10"',
          '    media="$Number$-$Time$-$Bandwidth$.mp4" />',
        ], 30 /* duration */);
        let references = [
          ManifestParser.makeReference('0-0-500.mp4', 0, 0, 10, baseUri),
          ManifestParser.makeReference('1-10-500.mp4', 1, 10, 20, baseUri),
          ManifestParser.makeReference('2-20-500.mp4', 2, 20, 30, baseUri),
        ];
        await Dash.testSegmentIndex(source, references);
      });
  
      it('with @startNumber = 1', async () => {
        let source = Dash.makeSimpleManifestText([
          '<SegmentTemplate startNumber="1" duration="10"',
          '    media="$Number$-$Time$-$Bandwidth$.mp4" />',
        ], 30 /* duration */);
        let references = [
          ManifestParser.makeReference('1-0-500.mp4', 0, 0, 10, baseUri),
          ManifestParser.makeReference('2-10-500.mp4', 1, 10, 20, baseUri),
          ManifestParser.makeReference('3-20-500.mp4', 2, 20, 30, baseUri),
        ];
        await Dash.testSegmentIndex(source, references);
      });
  
      it('with @startNumber > 1', async () => {
        let source = Dash.makeSimpleManifestText([
          '<SegmentTemplate startNumber="10" duration="10"',
          '    media="$Number$-$Time$-$Bandwidth$.mp4" />',
        ], 30 /* duration */);
        let references = [
          ManifestParser.makeReference('10-0-500.mp4', 0, 0, 10, baseUri),
          ManifestParser.makeReference('11-10-500.mp4', 1, 10, 20, baseUri),
          ManifestParser.makeReference('12-20-500.mp4', 2, 20, 30, baseUri),
        ];
        await Dash.testSegmentIndex(source, references);
      });
  
      it('with @timescale > 1', async () => {
        let source = Dash.makeSimpleManifestText([
          '<SegmentTemplate startNumber="1" timescale="9000" duration="9000"',
          '    media="$Number$-$Time$-$Bandwidth$.mp4" />',
        ], 3 /* duration */);
        let references = [
          ManifestParser.makeReference('1-0-500.mp4', 0, 0, 1, baseUri),
          ManifestParser.makeReference('2-9000-500.mp4', 1, 1, 2, baseUri),
          ManifestParser.makeReference('3-18000-500.mp4', 2, 2, 3, baseUri),
        ];
        await Dash.testSegmentIndex(source, references);
      });
  
      it('across representations', async () => {
        let source = [
          '<MPD>',
          '  <Period duration="PT60S">',
          '    <AdaptationSet mimeType="video/webm">',
          '      <BaseURL>http://example.com</BaseURL>',
          '      <SegmentTemplate startNumber="1" duration="10"',
          '          media="$Number$-$Time$-$Bandwidth$.mp4" />',
          '      <Representation bandwidth="100" />',
          '      <Representation bandwidth="200" />',
          '      <Representation bandwidth="300" />',
          '    </AdaptationSet>',
          '  </Period>',
          '</MPD>',
        ].join('\n');
  
        fakeNetEngine.setResponseMapAsText({'dummy://foo': source});
        let actual = await parser.start('dummy://foo', playerInterface);
        expect(actual).toBeTruthy();
  
        let variants = actual.periods[0].variants;
        expect(variants.length).toBe(3);
  
        expect(variants[0].video.findSegmentPosition(0)).toBe(0);
        expect(variants[0].video.getSegmentReference(0)).toEqual(
            ManifestParser.makeReference('1-0-100.mp4', 0, 0, 10, baseUri));
        expect(variants[0].video.findSegmentPosition(12)).toBe(1);
        expect(variants[0].video.getSegmentReference(1)).toEqual(
            ManifestParser.makeReference('2-10-100.mp4', 1, 10, 20, baseUri));
        expect(variants[1].video.findSegmentPosition(0)).toBe(0);
        expect(variants[1].video.getSegmentReference(0)).toEqual(
            ManifestParser.makeReference('1-0-200.mp4', 0, 0, 10, baseUri));
        expect(variants[1].video.findSegmentPosition(12)).toBe(1);
        expect(variants[1].video.getSegmentReference(1)).toEqual(
            ManifestParser.makeReference('2-10-200.mp4', 1, 10, 20, baseUri));
        expect(variants[2].video.findSegmentPosition(0)).toBe(0);
        expect(variants[2].video.getSegmentReference(0)).toEqual(
            ManifestParser.makeReference('1-0-300.mp4', 0, 0, 10, baseUri));
        expect(variants[2].video.findSegmentPosition(12)).toBe(1);
        expect(variants[2].video.getSegmentReference(1)).toEqual(
            ManifestParser.makeReference('2-10-300.mp4', 1, 10, 20, baseUri));
      });
    });
  
    describe('rejects streams with', function() {
      it('bad container type', async () => {
        let source = [
          '<MPD mediaPresentationDuration="PT75S">',
          '  <Period>',
          '    <BaseURL>http://example.com</BaseURL>',
          '    <AdaptationSet mimeType="video/cats">',
          '      <Representation bandwidth="500">',
          '        <SegmentTemplate startNumber="1"',
          '            index="index-$Bandwidth$.webm"',
          '            initialization="init-$Bandwidth$.webm" />',
          '      </Representation>',
          '    </AdaptationSet>',
          '  </Period>',
          '</MPD>',
        ].join('\n');
        let error = new shaka.util.Error(
            shaka.util.Error.Severity.CRITICAL,
            shaka.util.Error.Category.MANIFEST,
            shaka.util.Error.Code.DASH_UNSUPPORTED_CONTAINER);
        await Dash.testFails(source, error);
      });
  
      it('no init data with webm', async () => {
        let source = [
          '<MPD>',
          '  <Period duration="PT30S">',
          '    <BaseURL>http://example.com</BaseURL>',
          '    <AdaptationSet mimeType="video/webm">',
          '      <Representation bandwidth="500">',
          '        <SegmentTemplate startNumber="1"',
          '            index="index-$Bandwidth$.webm" />',
          '      </Representation>',
          '    </AdaptationSet>',
          '  </Period>',
          '</MPD>',
        ].join('\n');
        let error = new shaka.util.Error(
            shaka.util.Error.Severity.CRITICAL,
            shaka.util.Error.Category.MANIFEST,
            shaka.util.Error.Code.DASH_WEBM_MISSING_INIT);
        await Dash.testFails(source, error);
      });
  
      it('not enough segment info', async () => {
        let source = Dash.makeSimpleManifestText([
          '<SegmentTemplate startNumber="1" />',
        ]);
        let error = new shaka.util.Error(
            shaka.util.Error.Severity.CRITICAL,
            shaka.util.Error.Category.MANIFEST,
            shaka.util.Error.Code.DASH_NO_SEGMENT_INFO);
        await Dash.testFails(source, error);
      });
  
      it('no media template', async () => {
        let source = Dash.makeSimpleManifestText([
          '<SegmentTemplate startNumber="1">',
          '  <SegmentTimeline>',
          '    <S d="10" />',
          '  </SegmentTimeline>',
          '</SegmentTemplate>',
        ]);
        let error = new shaka.util.Error(
            shaka.util.Error.Severity.CRITICAL,
            shaka.util.Error.Category.MANIFEST,
            shaka.util.Error.Code.DASH_NO_SEGMENT_INFO);
        await Dash.testFails(source, error);
      });
    });
  });
  
  