BloomTests.Publish.ExportEpubTests.Missing_Audio_CreatedFromWav C# (CSharp) Method

        public void Missing_Audio_CreatedFromWav()
        {
            // Similar input as the basic Missing_Audio_Ignored, (also verifies that IDs are really adjusted), but this time we don't create one of the expected audio files.
            var book = SetupBook("<p><span id='e993d14a-0ec3-4316-840b-ac9143d59a2c'>This is some text.</span><span id='i0d8e9910-dfa3-4376-9373-a869e109b763'>Another sentence</span></p>",
                "xyz", "1my$Image", "my%20image");
            MakeImageFiles(book, "my image");
            MakeFakeAudio(book.FolderPath.CombineForPath("audio", "e993d14a-0ec3-4316-840b-ac9143d59a2c.mp3"));
            // But don't make a fake audio file for the second span
            MakeEpub("output", "Missing_Audio_CreatedFromWav", book);
            CheckBasicsInManifest("my_image");
            CheckBasicsInPage("my_image");
            CheckNavPage();
            CheckFontStylesheet();

            // xpath search for slash in attribute value fails (something to do with interpreting it as a namespace reference?)
            var assertManifest = AssertThatXmlIn.String(_manifestContent.Replace("application/smil", "application^slash^smil"));
            assertManifest.HasAtLeastOneMatchForXpath("package/manifest/item[@id='f1' and @href='1.xhtml' and @media-overlay='f1_overlay']");
            assertManifest.HasAtLeastOneMatchForXpath("package/manifest/item[@id='f1_overlay' and @href='1_overlay.smil' and @media-type='application^slash^smil+xml']");

            var smilData = StripXmlHeader(GetZipContent(_epub, "content/1_overlay.smil"));
            var mgr = new XmlNamespaceManager(new NameTable());
            mgr.AddNamespace("smil", "http://www.w3.org/ns/SMIL");
            mgr.AddNamespace("epub", "http://www.idpf.org/2007/ops");
            var assertSmil = AssertThatXmlIn.String(smilData);
            assertSmil.HasAtLeastOneMatchForXpath("smil:smil/smil:body/smil:seq[@epub:textref='1.xhtml' and @epub:type='bodymatter chapter']", mgr);
            assertSmil.HasAtLeastOneMatchForXpath("smil:smil/smil:body/smil:seq/smil:par[@id='s1']/smil:text[@src='1.xhtml#e993d14a-0ec3-4316-840b-ac9143d59a2c']", mgr);
            assertSmil.HasNoMatchForXpath("smil:smil/smil:body/smil:seq/smil:par[@id='s2']/smil:text[@src='1.xhtml#i0d8e9910-dfa3-4376-9373-a869e109b763']", mgr);
            assertSmil.HasAtLeastOneMatchForXpath("smil:smil/smil:body/smil:seq/smil:par[@id='s1']/smil:audio[@src='audio_2fe993d14a-0ec3-4316-840b-ac9143d59a2c.mp3']", mgr);
            assertSmil.HasNoMatchForXpath("smil:smil/smil:body/smil:seq/smil:par[@id='s2']/smil:audio[@src='audio_2fi0d8e9910-dfa3-4376-9373-a869e109b763.mp3']", mgr);

            GetZipEntry(_epub, "content/audio_2fe993d14a-0ec3-4316-840b-ac9143d59a2c.mp3");
        }