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() {
    var Dash;
    var fakeNetEngine;
    var parser;
    var playerInterface;
  
    beforeAll(function() {
      Dash = shaka.test.Dash;
    });
  
    beforeEach(function() {
      fakeNetEngine = new shaka.test.FakeNetworkingEngine();
      parser = shaka.test.Dash.makeDashParser();
  
      playerInterface = {
        networkingEngine: fakeNetEngine,
        filterPeriod: 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', function(done) {
        var source = Dash.makeSimpleManifestText([
          '<SegmentTemplate startNumber="1" media="s$Number$.mp4"',
          '  duration="10" />'
        ], 60 /* duration */);
        var references = [
          Dash.makeReference('s1.mp4', 0, 0, 10),
          Dash.makeReference('s2.mp4', 1, 10, 20),
          Dash.makeReference('s3.mp4', 2, 20, 30),
          Dash.makeReference('s4.mp4', 3, 30, 40),
          Dash.makeReference('s5.mp4', 4, 40, 50),
          Dash.makeReference('s6.mp4', 5, 50, 60)
        ];
        Dash.testSegmentIndex(done, source, references);
      });
  
      it('with @startNumber > 1', function(done) {
        var source = Dash.makeSimpleManifestText([
          '<SegmentTemplate startNumber="10" media="s$Number$.mp4"',
          '   duration="10" />'
        ], 30 /* duration */);
        var references = [
          Dash.makeReference('s10.mp4', 0, 0, 10),
          Dash.makeReference('s11.mp4', 1, 10, 20),
          Dash.makeReference('s12.mp4', 2, 20, 30)
        ];
        Dash.testSegmentIndex(done, source, references);
      });
    });
  
    describe('index', function() {
      it('basic support', function(done) {
        var 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': ''
        });
        parser.start('dummy://foo', playerInterface)
            .then(function(manifest) {
              expect(manifest).toEqual(
                  Dash.makeManifestFromInit('init-500.mp4', 0, null));
              return Dash.callCreateSegmentIndex(manifest);
            })
            .then(function() {
              expect(fakeNetEngine.request.calls.count()).toBe(2);
              fakeNetEngine.expectRangeRequest(
                  'http://example.com/index-500.mp4', 0, null);
            })
            .catch(fail)
            .then(done);
      });
  
      it('defaults to index with multiple segment sources', function(done) {
        var 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': ''
        });
        parser.start('dummy://foo', playerInterface)
            .then(function(manifest) {
              expect(manifest).toEqual(
                  Dash.makeManifestFromInit('init-500.mp4', 0, null));
              return Dash.callCreateSegmentIndex(manifest);
            })
            .then(function() {
              expect(fakeNetEngine.request.calls.count()).toBe(2);
              fakeNetEngine.expectRangeRequest(
                  'http://example.com/index-500.mp4', 0, null);
            })
            .catch(fail)
            .then(done);
      });
  
      it('requests init data for WebM', function(done) {
        var 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': ''
        });
        parser.start('dummy://foo', playerInterface)
            .then(function(manifest) {
              expect(manifest).toEqual(
                  Dash.makeManifestFromInit('init-500.webm', 0, null));
              return Dash.callCreateSegmentIndex(manifest);
            })
            .then(function() {
              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);
            })
            .catch(fail)
            .then(done);
      });
  
      it('inherits from Period', function(done) {
        var 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': ''
        });
        parser.start('dummy://foo', playerInterface)
            .then(function(manifest) {
              expect(manifest).toEqual(
                  Dash.makeManifestFromInit('init-500.mp4', 0, null));
              return Dash.callCreateSegmentIndex(manifest);
            })
            .then(function() {
              expect(fakeNetEngine.request.calls.count()).toBe(2);
              fakeNetEngine.expectRangeRequest(
                  'http://example.com/index-500.mp4', 0, null);
            })
            .catch(fail)
            .then(done);
      });
  
      it('inherits from AdaptationSet', function(done) {
        var 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': ''
        });
        parser.start('dummy://foo', playerInterface)
            .then(function(manifest) {
              expect(manifest).toEqual(
                  Dash.makeManifestFromInit('init-500.mp4', 0, null));
              return Dash.callCreateSegmentIndex(manifest);
            })
            .then(function() {
              expect(fakeNetEngine.request.calls.count()).toBe(2);
              fakeNetEngine.expectRangeRequest(
                  'http://example.com/index-500.mp4', 0, null);
            })
            .catch(fail)
            .then(done);
      });
    });
  
    describe('media template', function() {
      it('defaults to timeline when also has duration', function(done) {
        var 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 */);
        var references = [
          Dash.makeReference('0-0-500.mp4', 0, 0, 15),
          Dash.makeReference('1-15-500.mp4', 1, 15, 30),
          Dash.makeReference('2-30-500.mp4', 2, 30, 45)
        ];
        Dash.testSegmentIndex(done, source, references);
      });
  
      it('with @startnumber = 0', function(done) {
        var source = Dash.makeSimpleManifestText([
          '<SegmentTemplate startNumber="0" duration="10"',
          '    media="$Number$-$Time$-$Bandwidth$.mp4" />'
        ], 30 /* duration */);
        var references = [
          Dash.makeReference('0-0-500.mp4', 0, 0, 10),
          Dash.makeReference('1-10-500.mp4', 1, 10, 20),
          Dash.makeReference('2-20-500.mp4', 2, 20, 30)
        ];
        Dash.testSegmentIndex(done, source, references);
      });
  
      it('with @startNumber = 1', function(done) {
        var source = Dash.makeSimpleManifestText([
          '<SegmentTemplate startNumber="1" duration="10"',
          '    media="$Number$-$Time$-$Bandwidth$.mp4" />'
        ], 30 /* duration */);
        var references = [
          Dash.makeReference('1-0-500.mp4', 0, 0, 10),
          Dash.makeReference('2-10-500.mp4', 1, 10, 20),
          Dash.makeReference('3-20-500.mp4', 2, 20, 30)
        ];
        Dash.testSegmentIndex(done, source, references);
      });
  
      it('with @startNumber > 1', function(done) {
        var source = Dash.makeSimpleManifestText([
          '<SegmentTemplate startNumber="10" duration="10"',
          '    media="$Number$-$Time$-$Bandwidth$.mp4" />'
        ], 30 /* duration */);
        var references = [
          Dash.makeReference('10-0-500.mp4', 0, 0, 10),
          Dash.makeReference('11-10-500.mp4', 1, 10, 20),
          Dash.makeReference('12-20-500.mp4', 2, 20, 30)
        ];
        Dash.testSegmentIndex(done, source, references);
      });
  
      it('with @timescale > 1', function(done) {
        var source = Dash.makeSimpleManifestText([
          '<SegmentTemplate startNumber="1" timescale="9000" duration="9000"',
          '    media="$Number$-$Time$-$Bandwidth$.mp4" />'
        ], 3 /* duration */);
        var references = [
          Dash.makeReference('1-0-500.mp4', 0, 0, 1),
          Dash.makeReference('2-9000-500.mp4', 1, 1, 2),
          Dash.makeReference('3-18000-500.mp4', 2, 2, 3)
        ];
        Dash.testSegmentIndex(done, source, references);
      });
  
      it('across representations', function(done) {
        var 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});
        parser.start('dummy://foo', playerInterface)
            .then(function(actual) {
              expect(actual).toBeTruthy();
  
              var 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(
                  Dash.makeReference('1-0-100.mp4', 0, 0, 10));
              expect(variants[0].video.findSegmentPosition(12)).toBe(1);
              expect(variants[0].video.getSegmentReference(1)).toEqual(
                  Dash.makeReference('2-10-100.mp4', 1, 10, 20));
              expect(variants[1].video.findSegmentPosition(0)).toBe(0);
              expect(variants[1].video.getSegmentReference(0)).toEqual(
                  Dash.makeReference('1-0-200.mp4', 0, 0, 10));
              expect(variants[1].video.findSegmentPosition(12)).toBe(1);
              expect(variants[1].video.getSegmentReference(1)).toEqual(
                  Dash.makeReference('2-10-200.mp4', 1, 10, 20));
              expect(variants[2].video.findSegmentPosition(0)).toBe(0);
              expect(variants[2].video.getSegmentReference(0)).toEqual(
                  Dash.makeReference('1-0-300.mp4', 0, 0, 10));
              expect(variants[2].video.findSegmentPosition(12)).toBe(1);
              expect(variants[2].video.getSegmentReference(1)).toEqual(
                  Dash.makeReference('2-10-300.mp4', 1, 10, 20));
            }).catch(fail).then(done);
      });
    });
  
    describe('rejects streams with', function() {
      it('bad container type', function(done) {
        var 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');
        var error = new shaka.util.Error(
            shaka.util.Error.Severity.CRITICAL,
            shaka.util.Error.Category.MANIFEST,
            shaka.util.Error.Code.DASH_UNSUPPORTED_CONTAINER);
        Dash.testFails(done, source, error);
      });
  
      it('no init data with webm', function(done) {
        var 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');
        var error = new shaka.util.Error(
            shaka.util.Error.Severity.CRITICAL,
            shaka.util.Error.Category.MANIFEST,
            shaka.util.Error.Code.DASH_WEBM_MISSING_INIT);
        Dash.testFails(done, source, error);
      });
  
      it('not enough segment info', function(done) {
        var source = Dash.makeSimpleManifestText([
          '<SegmentTemplate startNumber="1" />'
        ]);
        var error = new shaka.util.Error(
            shaka.util.Error.Severity.CRITICAL,
            shaka.util.Error.Category.MANIFEST,
            shaka.util.Error.Code.DASH_NO_SEGMENT_INFO);
        Dash.testFails(done, source, error);
      });
  
      it('no media template', function(done) {
        var source = Dash.makeSimpleManifestText([
          '<SegmentTemplate startNumber="1">',
          '  <SegmentTimeline>',
          '    <S d="10" />',
          '  </SegmentTimeline>',
          '</SegmentTemplate>'
        ]);
        var error = new shaka.util.Error(
            shaka.util.Error.Severity.CRITICAL,
            shaka.util.Error.Category.MANIFEST,
            shaka.util.Error.Code.DASH_NO_SEGMENT_INFO);
        Dash.testFails(done, source, error);
      });
    });
  });
  
  