toolkit/devtools/sourcemap/tests/unit/test_source_map_consumer.js

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/toolkit/devtools/sourcemap/tests/unit/test_source_map_consumer.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,459 @@
     1.4 +/*
     1.5 + * WARNING!
     1.6 + *
     1.7 + * Do not edit this file directly, it is built from the sources at
     1.8 + * https://github.com/mozilla/source-map/
     1.9 + */
    1.10 +
    1.11 +Components.utils.import('resource://test/Utils.jsm');
    1.12 +/* -*- Mode: js; js-indent-level: 2; -*- */
    1.13 +/*
    1.14 + * Copyright 2011 Mozilla Foundation and contributors
    1.15 + * Licensed under the New BSD license. See LICENSE or:
    1.16 + * http://opensource.org/licenses/BSD-3-Clause
    1.17 + */
    1.18 +define("test/source-map/test-source-map-consumer", ["require", "exports", "module"], function (require, exports, module) {
    1.19 +
    1.20 +  var SourceMapConsumer = require('source-map/source-map-consumer').SourceMapConsumer;
    1.21 +  var SourceMapGenerator = require('source-map/source-map-generator').SourceMapGenerator;
    1.22 +
    1.23 +  exports['test that we can instantiate with a string or an objects'] = function (assert, util) {
    1.24 +    assert.doesNotThrow(function () {
    1.25 +      var map = new SourceMapConsumer(util.testMap);
    1.26 +    });
    1.27 +    assert.doesNotThrow(function () {
    1.28 +      var map = new SourceMapConsumer(JSON.stringify(util.testMap));
    1.29 +    });
    1.30 +  };
    1.31 +
    1.32 +  exports['test that the `sources` field has the original sources'] = function (assert, util) {
    1.33 +    var map = new SourceMapConsumer(util.testMap);
    1.34 +    var sources = map.sources;
    1.35 +
    1.36 +    assert.equal(sources[0], '/the/root/one.js');
    1.37 +    assert.equal(sources[1], '/the/root/two.js');
    1.38 +    assert.equal(sources.length, 2);
    1.39 +  };
    1.40 +
    1.41 +  exports['test that the source root is reflected in a mapping\'s source field'] = function (assert, util) {
    1.42 +    var map = new SourceMapConsumer(util.testMap);
    1.43 +    var mapping;
    1.44 +
    1.45 +    mapping = map.originalPositionFor({
    1.46 +      line: 2,
    1.47 +      column: 1
    1.48 +    });
    1.49 +    assert.equal(mapping.source, '/the/root/two.js');
    1.50 +
    1.51 +    mapping = map.originalPositionFor({
    1.52 +      line: 1,
    1.53 +      column: 1
    1.54 +    });
    1.55 +    assert.equal(mapping.source, '/the/root/one.js');
    1.56 +  };
    1.57 +
    1.58 +  exports['test mapping tokens back exactly'] = function (assert, util) {
    1.59 +    var map = new SourceMapConsumer(util.testMap);
    1.60 +
    1.61 +    util.assertMapping(1, 1, '/the/root/one.js', 1, 1, null, map, assert);
    1.62 +    util.assertMapping(1, 5, '/the/root/one.js', 1, 5, null, map, assert);
    1.63 +    util.assertMapping(1, 9, '/the/root/one.js', 1, 11, null, map, assert);
    1.64 +    util.assertMapping(1, 18, '/the/root/one.js', 1, 21, 'bar', map, assert);
    1.65 +    util.assertMapping(1, 21, '/the/root/one.js', 2, 3, null, map, assert);
    1.66 +    util.assertMapping(1, 28, '/the/root/one.js', 2, 10, 'baz', map, assert);
    1.67 +    util.assertMapping(1, 32, '/the/root/one.js', 2, 14, 'bar', map, assert);
    1.68 +
    1.69 +    util.assertMapping(2, 1, '/the/root/two.js', 1, 1, null, map, assert);
    1.70 +    util.assertMapping(2, 5, '/the/root/two.js', 1, 5, null, map, assert);
    1.71 +    util.assertMapping(2, 9, '/the/root/two.js', 1, 11, null, map, assert);
    1.72 +    util.assertMapping(2, 18, '/the/root/two.js', 1, 21, 'n', map, assert);
    1.73 +    util.assertMapping(2, 21, '/the/root/two.js', 2, 3, null, map, assert);
    1.74 +    util.assertMapping(2, 28, '/the/root/two.js', 2, 10, 'n', map, assert);
    1.75 +  };
    1.76 +
    1.77 +  exports['test mapping tokens fuzzy'] = function (assert, util) {
    1.78 +    var map = new SourceMapConsumer(util.testMap);
    1.79 +
    1.80 +    // Finding original positions
    1.81 +    util.assertMapping(1, 20, '/the/root/one.js', 1, 21, 'bar', map, assert, true);
    1.82 +    util.assertMapping(1, 30, '/the/root/one.js', 2, 10, 'baz', map, assert, true);
    1.83 +    util.assertMapping(2, 12, '/the/root/two.js', 1, 11, null, map, assert, true);
    1.84 +
    1.85 +    // Finding generated positions
    1.86 +    util.assertMapping(1, 18, '/the/root/one.js', 1, 22, 'bar', map, assert, null, true);
    1.87 +    util.assertMapping(1, 28, '/the/root/one.js', 2, 13, 'baz', map, assert, null, true);
    1.88 +    util.assertMapping(2, 9, '/the/root/two.js', 1, 16, null, map, assert, null, true);
    1.89 +  };
    1.90 +
    1.91 +  exports['test creating source map consumers with )]}\' prefix'] = function (assert, util) {
    1.92 +    assert.doesNotThrow(function () {
    1.93 +      var map = new SourceMapConsumer(")]}'" + JSON.stringify(util.testMap));
    1.94 +    });
    1.95 +  };
    1.96 +
    1.97 +  exports['test eachMapping'] = function (assert, util) {
    1.98 +    var map = new SourceMapConsumer(util.testMap);
    1.99 +    var previousLine = -Infinity;
   1.100 +    var previousColumn = -Infinity;
   1.101 +    map.eachMapping(function (mapping) {
   1.102 +      assert.ok(mapping.generatedLine >= previousLine);
   1.103 +
   1.104 +      if (mapping.source) {
   1.105 +        assert.equal(mapping.source.indexOf(util.testMap.sourceRoot), 0);
   1.106 +      }
   1.107 +
   1.108 +      if (mapping.generatedLine === previousLine) {
   1.109 +        assert.ok(mapping.generatedColumn >= previousColumn);
   1.110 +        previousColumn = mapping.generatedColumn;
   1.111 +      }
   1.112 +      else {
   1.113 +        previousLine = mapping.generatedLine;
   1.114 +        previousColumn = -Infinity;
   1.115 +      }
   1.116 +    });
   1.117 +  };
   1.118 +
   1.119 +  exports['test iterating over mappings in a different order'] = function (assert, util) {
   1.120 +    var map = new SourceMapConsumer(util.testMap);
   1.121 +    var previousLine = -Infinity;
   1.122 +    var previousColumn = -Infinity;
   1.123 +    var previousSource = "";
   1.124 +    map.eachMapping(function (mapping) {
   1.125 +      assert.ok(mapping.source >= previousSource);
   1.126 +
   1.127 +      if (mapping.source === previousSource) {
   1.128 +        assert.ok(mapping.originalLine >= previousLine);
   1.129 +
   1.130 +        if (mapping.originalLine === previousLine) {
   1.131 +          assert.ok(mapping.originalColumn >= previousColumn);
   1.132 +          previousColumn = mapping.originalColumn;
   1.133 +        }
   1.134 +        else {
   1.135 +          previousLine = mapping.originalLine;
   1.136 +          previousColumn = -Infinity;
   1.137 +        }
   1.138 +      }
   1.139 +      else {
   1.140 +        previousSource = mapping.source;
   1.141 +        previousLine = -Infinity;
   1.142 +        previousColumn = -Infinity;
   1.143 +      }
   1.144 +    }, null, SourceMapConsumer.ORIGINAL_ORDER);
   1.145 +  };
   1.146 +
   1.147 +  exports['test that we can set the context for `this` in eachMapping'] = function (assert, util) {
   1.148 +    var map = new SourceMapConsumer(util.testMap);
   1.149 +    var context = {};
   1.150 +    map.eachMapping(function () {
   1.151 +      assert.equal(this, context);
   1.152 +    }, context);
   1.153 +  };
   1.154 +
   1.155 +  exports['test that the `sourcesContent` field has the original sources'] = function (assert, util) {
   1.156 +    var map = new SourceMapConsumer(util.testMapWithSourcesContent);
   1.157 +    var sourcesContent = map.sourcesContent;
   1.158 +
   1.159 +    assert.equal(sourcesContent[0], ' ONE.foo = function (bar) {\n   return baz(bar);\n };');
   1.160 +    assert.equal(sourcesContent[1], ' TWO.inc = function (n) {\n   return n + 1;\n };');
   1.161 +    assert.equal(sourcesContent.length, 2);
   1.162 +  };
   1.163 +
   1.164 +  exports['test that we can get the original sources for the sources'] = function (assert, util) {
   1.165 +    var map = new SourceMapConsumer(util.testMapWithSourcesContent);
   1.166 +    var sources = map.sources;
   1.167 +
   1.168 +    assert.equal(map.sourceContentFor(sources[0]), ' ONE.foo = function (bar) {\n   return baz(bar);\n };');
   1.169 +    assert.equal(map.sourceContentFor(sources[1]), ' TWO.inc = function (n) {\n   return n + 1;\n };');
   1.170 +    assert.equal(map.sourceContentFor("one.js"), ' ONE.foo = function (bar) {\n   return baz(bar);\n };');
   1.171 +    assert.equal(map.sourceContentFor("two.js"), ' TWO.inc = function (n) {\n   return n + 1;\n };');
   1.172 +    assert.throws(function () {
   1.173 +      map.sourceContentFor("");
   1.174 +    }, Error);
   1.175 +    assert.throws(function () {
   1.176 +      map.sourceContentFor("/the/root/three.js");
   1.177 +    }, Error);
   1.178 +    assert.throws(function () {
   1.179 +      map.sourceContentFor("three.js");
   1.180 +    }, Error);
   1.181 +  };
   1.182 +
   1.183 +  exports['test sourceRoot + generatedPositionFor'] = function (assert, util) {
   1.184 +    var map = new SourceMapGenerator({
   1.185 +      sourceRoot: 'foo/bar',
   1.186 +      file: 'baz.js'
   1.187 +    });
   1.188 +    map.addMapping({
   1.189 +      original: { line: 1, column: 1 },
   1.190 +      generated: { line: 2, column: 2 },
   1.191 +      source: 'bang.coffee'
   1.192 +    });
   1.193 +    map.addMapping({
   1.194 +      original: { line: 5, column: 5 },
   1.195 +      generated: { line: 6, column: 6 },
   1.196 +      source: 'bang.coffee'
   1.197 +    });
   1.198 +    map = new SourceMapConsumer(map.toString());
   1.199 +
   1.200 +    // Should handle without sourceRoot.
   1.201 +    var pos = map.generatedPositionFor({
   1.202 +      line: 1,
   1.203 +      column: 1,
   1.204 +      source: 'bang.coffee'
   1.205 +    });
   1.206 +
   1.207 +    assert.equal(pos.line, 2);
   1.208 +    assert.equal(pos.column, 2);
   1.209 +
   1.210 +    // Should handle with sourceRoot.
   1.211 +    var pos = map.generatedPositionFor({
   1.212 +      line: 1,
   1.213 +      column: 1,
   1.214 +      source: 'foo/bar/bang.coffee'
   1.215 +    });
   1.216 +
   1.217 +    assert.equal(pos.line, 2);
   1.218 +    assert.equal(pos.column, 2);
   1.219 +  };
   1.220 +
   1.221 +  exports['test sourceRoot + originalPositionFor'] = function (assert, util) {
   1.222 +    var map = new SourceMapGenerator({
   1.223 +      sourceRoot: 'foo/bar',
   1.224 +      file: 'baz.js'
   1.225 +    });
   1.226 +    map.addMapping({
   1.227 +      original: { line: 1, column: 1 },
   1.228 +      generated: { line: 2, column: 2 },
   1.229 +      source: 'bang.coffee'
   1.230 +    });
   1.231 +    map = new SourceMapConsumer(map.toString());
   1.232 +
   1.233 +    var pos = map.originalPositionFor({
   1.234 +      line: 2,
   1.235 +      column: 2,
   1.236 +    });
   1.237 +
   1.238 +    // Should always have the prepended source root
   1.239 +    assert.equal(pos.source, 'foo/bar/bang.coffee');
   1.240 +    assert.equal(pos.line, 1);
   1.241 +    assert.equal(pos.column, 1);
   1.242 +  };
   1.243 +
   1.244 +  exports['test github issue #56'] = function (assert, util) {
   1.245 +    var map = new SourceMapGenerator({
   1.246 +      sourceRoot: 'http://',
   1.247 +      file: 'www.example.com/foo.js'
   1.248 +    });
   1.249 +    map.addMapping({
   1.250 +      original: { line: 1, column: 1 },
   1.251 +      generated: { line: 2, column: 2 },
   1.252 +      source: 'www.example.com/original.js'
   1.253 +    });
   1.254 +    map = new SourceMapConsumer(map.toString());
   1.255 +
   1.256 +    var sources = map.sources;
   1.257 +    assert.equal(sources.length, 1);
   1.258 +    assert.equal(sources[0], 'http://www.example.com/original.js');
   1.259 +  };
   1.260 +
   1.261 +  exports['test github issue #43'] = function (assert, util) {
   1.262 +    var map = new SourceMapGenerator({
   1.263 +      sourceRoot: 'http://example.com',
   1.264 +      file: 'foo.js'
   1.265 +    });
   1.266 +    map.addMapping({
   1.267 +      original: { line: 1, column: 1 },
   1.268 +      generated: { line: 2, column: 2 },
   1.269 +      source: 'http://cdn.example.com/original.js'
   1.270 +    });
   1.271 +    map = new SourceMapConsumer(map.toString());
   1.272 +
   1.273 +    var sources = map.sources;
   1.274 +    assert.equal(sources.length, 1,
   1.275 +                 'Should only be one source.');
   1.276 +    assert.equal(sources[0], 'http://cdn.example.com/original.js',
   1.277 +                 'Should not be joined with the sourceRoot.');
   1.278 +  };
   1.279 +
   1.280 +  exports['test absolute path, but same host sources'] = function (assert, util) {
   1.281 +    var map = new SourceMapGenerator({
   1.282 +      sourceRoot: 'http://example.com/foo/bar',
   1.283 +      file: 'foo.js'
   1.284 +    });
   1.285 +    map.addMapping({
   1.286 +      original: { line: 1, column: 1 },
   1.287 +      generated: { line: 2, column: 2 },
   1.288 +      source: '/original.js'
   1.289 +    });
   1.290 +    map = new SourceMapConsumer(map.toString());
   1.291 +
   1.292 +    var sources = map.sources;
   1.293 +    assert.equal(sources.length, 1,
   1.294 +                 'Should only be one source.');
   1.295 +    assert.equal(sources[0], 'http://example.com/original.js',
   1.296 +                 'Source should be relative the host of the source root.');
   1.297 +  };
   1.298 +
   1.299 +  exports['test github issue #64'] = function (assert, util) {
   1.300 +    var map = new SourceMapConsumer({
   1.301 +      "version": 3,
   1.302 +      "file": "foo.js",
   1.303 +      "sourceRoot": "http://example.com/",
   1.304 +      "sources": ["/a"],
   1.305 +      "names": [],
   1.306 +      "mappings": "AACA",
   1.307 +      "sourcesContent": ["foo"]
   1.308 +    });
   1.309 +
   1.310 +    assert.equal(map.sourceContentFor("a"), "foo");
   1.311 +    assert.equal(map.sourceContentFor("/a"), "foo");
   1.312 +  };
   1.313 +
   1.314 +  exports['test bug 885597'] = function (assert, util) {
   1.315 +    var map = new SourceMapConsumer({
   1.316 +      "version": 3,
   1.317 +      "file": "foo.js",
   1.318 +      "sourceRoot": "file:///Users/AlGore/Invented/The/Internet/",
   1.319 +      "sources": ["/a"],
   1.320 +      "names": [],
   1.321 +      "mappings": "AACA",
   1.322 +      "sourcesContent": ["foo"]
   1.323 +    });
   1.324 +
   1.325 +    var s = map.sources[0];
   1.326 +    assert.equal(map.sourceContentFor(s), "foo");
   1.327 +  };
   1.328 +
   1.329 +  exports['test github issue #72, duplicate sources'] = function (assert, util) {
   1.330 +    var map = new SourceMapConsumer({
   1.331 +      "version": 3,
   1.332 +      "file": "foo.js",
   1.333 +      "sources": ["source1.js", "source1.js", "source3.js"],
   1.334 +      "names": [],
   1.335 +      "mappings": ";EAAC;;IAEE;;MEEE",
   1.336 +      "sourceRoot": "http://example.com"
   1.337 +    });
   1.338 +
   1.339 +    var pos = map.originalPositionFor({
   1.340 +      line: 2,
   1.341 +      column: 2
   1.342 +    });
   1.343 +    assert.equal(pos.source, 'http://example.com/source1.js');
   1.344 +    assert.equal(pos.line, 1);
   1.345 +    assert.equal(pos.column, 1);
   1.346 +
   1.347 +    var pos = map.originalPositionFor({
   1.348 +      line: 4,
   1.349 +      column: 4
   1.350 +    });
   1.351 +    assert.equal(pos.source, 'http://example.com/source1.js');
   1.352 +    assert.equal(pos.line, 3);
   1.353 +    assert.equal(pos.column, 3);
   1.354 +
   1.355 +    var pos = map.originalPositionFor({
   1.356 +      line: 6,
   1.357 +      column: 6
   1.358 +    });
   1.359 +    assert.equal(pos.source, 'http://example.com/source3.js');
   1.360 +    assert.equal(pos.line, 5);
   1.361 +    assert.equal(pos.column, 5);
   1.362 +  };
   1.363 +
   1.364 +  exports['test github issue #72, duplicate names'] = function (assert, util) {
   1.365 +    var map = new SourceMapConsumer({
   1.366 +      "version": 3,
   1.367 +      "file": "foo.js",
   1.368 +      "sources": ["source.js"],
   1.369 +      "names": ["name1", "name1", "name3"],
   1.370 +      "mappings": ";EAACA;;IAEEA;;MAEEE",
   1.371 +      "sourceRoot": "http://example.com"
   1.372 +    });
   1.373 +
   1.374 +    var pos = map.originalPositionFor({
   1.375 +      line: 2,
   1.376 +      column: 2
   1.377 +    });
   1.378 +    assert.equal(pos.name, 'name1');
   1.379 +    assert.equal(pos.line, 1);
   1.380 +    assert.equal(pos.column, 1);
   1.381 +
   1.382 +    var pos = map.originalPositionFor({
   1.383 +      line: 4,
   1.384 +      column: 4
   1.385 +    });
   1.386 +    assert.equal(pos.name, 'name1');
   1.387 +    assert.equal(pos.line, 3);
   1.388 +    assert.equal(pos.column, 3);
   1.389 +
   1.390 +    var pos = map.originalPositionFor({
   1.391 +      line: 6,
   1.392 +      column: 6
   1.393 +    });
   1.394 +    assert.equal(pos.name, 'name3');
   1.395 +    assert.equal(pos.line, 5);
   1.396 +    assert.equal(pos.column, 5);
   1.397 +  };
   1.398 +
   1.399 +  exports['test SourceMapConsumer.fromSourceMap'] = function (assert, util) {
   1.400 +    var smg = new SourceMapGenerator({
   1.401 +      sourceRoot: 'http://example.com/',
   1.402 +      file: 'foo.js'
   1.403 +    });
   1.404 +    smg.addMapping({
   1.405 +      original: { line: 1, column: 1 },
   1.406 +      generated: { line: 2, column: 2 },
   1.407 +      source: 'bar.js'
   1.408 +    });
   1.409 +    smg.addMapping({
   1.410 +      original: { line: 2, column: 2 },
   1.411 +      generated: { line: 4, column: 4 },
   1.412 +      source: 'baz.js',
   1.413 +      name: 'dirtMcGirt'
   1.414 +    });
   1.415 +    smg.setSourceContent('baz.js', 'baz.js content');
   1.416 +
   1.417 +    var smc = SourceMapConsumer.fromSourceMap(smg);
   1.418 +    assert.equal(smc.file, 'foo.js');
   1.419 +    assert.equal(smc.sourceRoot, 'http://example.com/');
   1.420 +    assert.equal(smc.sources.length, 2);
   1.421 +    assert.equal(smc.sources[0], 'http://example.com/bar.js');
   1.422 +    assert.equal(smc.sources[1], 'http://example.com/baz.js');
   1.423 +    assert.equal(smc.sourceContentFor('baz.js'), 'baz.js content');
   1.424 +
   1.425 +    var pos = smc.originalPositionFor({
   1.426 +      line: 2,
   1.427 +      column: 2
   1.428 +    });
   1.429 +    assert.equal(pos.line, 1);
   1.430 +    assert.equal(pos.column, 1);
   1.431 +    assert.equal(pos.source, 'http://example.com/bar.js');
   1.432 +    assert.equal(pos.name, null);
   1.433 +
   1.434 +    pos = smc.generatedPositionFor({
   1.435 +      line: 1,
   1.436 +      column: 1,
   1.437 +      source: 'http://example.com/bar.js'
   1.438 +    });
   1.439 +    assert.equal(pos.line, 2);
   1.440 +    assert.equal(pos.column, 2);
   1.441 +
   1.442 +    pos = smc.originalPositionFor({
   1.443 +      line: 4,
   1.444 +      column: 4
   1.445 +    });
   1.446 +    assert.equal(pos.line, 2);
   1.447 +    assert.equal(pos.column, 2);
   1.448 +    assert.equal(pos.source, 'http://example.com/baz.js');
   1.449 +    assert.equal(pos.name, 'dirtMcGirt');
   1.450 +
   1.451 +    pos = smc.generatedPositionFor({
   1.452 +      line: 2,
   1.453 +      column: 2,
   1.454 +      source: 'http://example.com/baz.js'
   1.455 +    });
   1.456 +    assert.equal(pos.line, 4);
   1.457 +    assert.equal(pos.column, 4);
   1.458 +  };
   1.459 +});
   1.460 +function run_test() {
   1.461 +  runSourceMapTests('test/source-map/test-source-map-consumer', do_throw);
   1.462 +}

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