Add method to test m3u8s directly against expected JSON output

There are a ton of tests in m3u8_test.js currently and it's getting a bit difficult to manage. Instead of hand-writing checks for each property of the parsed output, automatically convert manifests to javscript strings during the build process and then compare the parse of that string against a JSON file with the same name.

 'use strict';
 
+var basename = require('path').basename;
+
 module.exports = function(grunt) {
 
   // Project configuration.
@@ -12,7 +14,7 @@ module.exports = function(grunt) {
       ' Licensed <%= _.pluck(pkg.licenses, "type").join(", ") %> */\n',
     // Task configuration.
     clean: {
-      files: ['build', 'dist']
+      files: ['build', 'dist', 'tmp']
     },
     concat: {
       options: {
@@ -93,11 +95,56 @@ module.exports = function(grunt) {
   grunt.loadNpmTasks('grunt-contrib-jshint');
   grunt.loadNpmTasks('grunt-contrib-watch');
 
+  grunt.registerTask('manifests-to-js', 'Wrap the test fixtures and output' +
+                     ' so they can be loaded in a browser',
+                     function() {
+    var
+      jsManifests = 'window.manifests = {\n',
+      jsExpected = 'window.expected = {\n';
+    grunt.file.recurse('test/manifest/',
+                       function(abspath, root, sub, filename) {
+      if ((/\.m3u8$/).test(abspath)) {
+
+        // translate this manifest
+        jsManifests += '  \'' + basename(filename, '.m3u8') + '\': ' +
+          grunt.file.read(abspath)
+            .split('\n')
+
+            // quote and concatenate
+            .map(function(line) {
+              return '    \'' + line + '\\n\' +\n';
+            }).join('')
+
+            // strip leading spaces and the trailing '+'
+            .slice(4, -3);
+        jsManifests += ',\n';
+      }
+
+      if ((/\.json$/).test(abspath)) {
+
+        // append the JSON
+        jsExpected += '  "' + basename(filename, '.json') + '": ' +
+          grunt.file.read(abspath) + ',\n';
+      }
+    });
+
+    // clean up and close the objects
+    jsManifests = jsManifests.slice(0, -2);
+    jsManifests += '\n};\n';
+    jsExpected = jsExpected.slice(0, -2);
+    jsExpected += '\n};\n';
+
+    // write out the manifests
+    grunt.file.write('tmp/manifests.js', jsManifests);
+    grunt.file.write('tmp/expected.js', jsExpected);
+  });
+
   // Default task.
   grunt.registerTask('default',
-                     ['jshint',
+                     ['clean',
+                      'jshint',
+                      'manifests-to-js',
                       'qunit',
-                      'clean',
                       'concat',
                       'uglify']);
 

@@ -1126,4 +1126,19 @@
                 'the byterange offset was defaulted');
   });
 
+  module('m3u8s');
+
+  test('parses the example manifests as expected', function() {
+    var key;
+    for (key in window.manifests) {
+      if (window.expected[key]) {
+        parser = new Parser();
+        parser.push(window.manifests[key]);
+        deepEqual(parser.manifest,
+                  window.expected[key],
+                  key + '.m3u8 was parsed correctly');
+      }
+    }
+  });
+
 })(window, window.console);

+{
+  "allowCache": true,
+  "targetDuration": 10,
+  "mediaSequence": 0,
+  "playlistType": "VOD",
+  "segments": [{
+    "duration": 10,
+    "byterange": {
+      "length": 522828,
+      "offset": 0
+    },
+    "uri": "hls_450k_video.ts"
+    }, {
+      "duration": 10,	
+      "byterange": {
+        "length": 587500,
+        "offset": 522828
+      },
+      "uri": "hls_450k_video.ts"
+    }, {
+      "duration": 10,
+      "byterange": {
+        "length": 713084,
+        "offset": 1110328
+      },
+      "uri": "hls_450k_video.ts"
+    }, {
+      "duration": 10,
+      "byterange": {
+        "length": 476580,
+        "offset": 1823412
+      },
+      "uri": "hls_450k_video.ts"
+    }, {
+      "duration": 10,
+      "byterange": {
+        "length": 535612,
+        "offset": 2299992
+      },
+      "uri": "hls_450k_video.ts"
+    }, {
+      "duration": 10,
+      "byterange": {
+        "length": 207176,
+        "offset": 2835604
+      },
+      "uri": "hls_450k_video.ts"
+    }, {
+      "duration": 10,
+      "byterange": {
+        "length": 455900,
+        "offset": 3042780
+      },
+      "uri": "hls_450k_video.ts"
+    }, {
+      "duration": 10,
+      "byterange": {
+        "length": 657248,
+        "offset": 3498680
+      },
+      "uri": "hls_450k_video.ts"
+    }, {
+      "duration": 10,
+      "byterange": {
+        "length": 571708,
+        "offset": 4155928
+      },
+      "uri": "hls_450k_video.ts"
+    }, {
+      "duration": 10,
+      "byterange": {
+        "length": 485040,
+        "offset": 4727636
+      },
+      "uri": "hls_450k_video.ts"
+    }, {
+      "duration": 10,
+      "byterange": {
+        "length": 709136,
+        "offset": 5212676
+      },
+      "uri": "hls_450k_video.ts"
+    }, {
+      "duration": 10,
+      "byterange": {
+        "length": 730004,
+        "offset": 5921812
+      },
+      "uri": "hls_450k_video.ts"
+    }, {
+      "duration": 10,
+      "byterange": {
+        "length": 456276,
+        "offset": 6651816
+      },
+      "uri": "hls_450k_video.ts"
+    }, {
+      "duration": 10,
+      "byterange": {
+        "length": 468684,
+        "offset": 7108092
+      },
+      "uri": "hls_450k_video.ts"
+    }, {
+      "duration": 10,
+      "byterange": {
+        "length": 444996,
+        "offset": 7576776
+      },
+      "uri": "hls_450k_video.ts"
+    }, {
+      "duration": 10,
+      "byterange": {
+        "length": 331444,
+        "offset": 8021772
+      },
+      "uri": "hls_450k_video.ts"
+    }, {
+      "duration": 1.4167,
+      "byterange": {
+        "length": 44556,
+        "offset": 8353216
+      },
+      "uri": "hls_450k_video.ts"
+    }]
+}

@@ -34,11 +34,13 @@
   <script src="manifest/playlist_allow_cache_template.js"></script>
   <script src="manifest/playlist_byte_range_template.js"></script>
 
+  <script src="../tmp/manifests.js"></script>
+  <script src="../tmp/expected.js"></script>
+
   <!-- M3U8 -->
   <!-- SEGMENT -->
   <script src="tsSegment-bc.js"></script>
   <script src="../src/segment-controller.js"></script>
-
   <script src="../src/bin-utils.js"></script>
 
   <!-- Test cases -->