git.r.bdr.sh - rbdr/dotfiles/blob

   1 /* -*- Mode: js; js-indent-level: 2; -*- */
   2 /*
   3  * Copyright 2011 Mozilla Foundation and contributors
   4  * Licensed under the New BSD license. See LICENSE or:
   5  * http://opensource.org/licenses/BSD-3-Clause
   6  */
   7 if (typeof define !== 'function') {
   8     var define = require('amdefine')(module, require);
   9 }
  10 define(function (require, exports, module) {
  11
  12   var SourceMapGenerator = require('../../lib/source-map/source-map-generator').SourceMapGenerator;
  13   var SourceMapConsumer = require('../../lib/source-map/source-map-consumer').SourceMapConsumer;
  14   var SourceNode = require('../../lib/source-map/source-node').SourceNode;
  15
  16   function forEachNewline(fn) {
  17     return function (assert, util) {
  18       ['\n', '\r\n'].forEach(fn.bind(null, assert, util));
  19     }
  20   }
  21
  22   exports['test .add()'] = function (assert, util) {
  23     var node = new SourceNode(null, null, null);
  24
  25     // Adding a string works.
  26     node.add('function noop() {}');
  27
  28     // Adding another source node works.
  29     node.add(new SourceNode(null, null, null));
  30
  31     // Adding an array works.
  32     node.add(['function foo() {',
  33               new SourceNode(null, null, null,
  34                              'return 10;'),
  35               '}']);
  36
  37     // Adding other stuff doesn't.
  38     assert.throws(function () {
  39       node.add({});
  40     });
  41     assert.throws(function () {
  42       node.add(function () {});
  43     });
  44   };
  45
  46   exports['test .prepend()'] = function (assert, util) {
  47     var node = new SourceNode(null, null, null);
  48
  49     // Prepending a string works.
  50     node.prepend('function noop() {}');
  51     assert.equal(node.children[0], 'function noop() {}');
  52     assert.equal(node.children.length, 1);
  53
  54     // Prepending another source node works.
  55     node.prepend(new SourceNode(null, null, null));
  56     assert.equal(node.children[0], '');
  57     assert.equal(node.children[1], 'function noop() {}');
  58     assert.equal(node.children.length, 2);
  59
  60     // Prepending an array works.
  61     node.prepend(['function foo() {',
  62               new SourceNode(null, null, null,
  63                              'return 10;'),
  64               '}']);
  65     assert.equal(node.children[0], 'function foo() {');
  66     assert.equal(node.children[1], 'return 10;');
  67     assert.equal(node.children[2], '}');
  68     assert.equal(node.children[3], '');
  69     assert.equal(node.children[4], 'function noop() {}');
  70     assert.equal(node.children.length, 5);
  71
  72     // Prepending other stuff doesn't.
  73     assert.throws(function () {
  74       node.prepend({});
  75     });
  76     assert.throws(function () {
  77       node.prepend(function () {});
  78     });
  79   };
  80
  81   exports['test .toString()'] = function (assert, util) {
  82     assert.equal((new SourceNode(null, null, null,
  83                                  ['function foo() {',
  84                                   new SourceNode(null, null, null, 'return 10;'),
  85                                   '}'])).toString(),
  86                  'function foo() {return 10;}');
  87   };
  88
  89   exports['test .join()'] = function (assert, util) {
  90     assert.equal((new SourceNode(null, null, null,
  91                                  ['a', 'b', 'c', 'd'])).join(', ').toString(),
  92                  'a, b, c, d');
  93   };
  94
  95   exports['test .walk()'] = function (assert, util) {
  96     var node = new SourceNode(null, null, null,
  97                               ['(function () {\n',
  98                                '  ', new SourceNode(1, 0, 'a.js', ['someCall()']), ';\n',
  99                                '  ', new SourceNode(2, 0, 'b.js', ['if (foo) bar()']), ';\n',
 100                                '}());']);
 101     var expected = [
 102       { str: '(function () {\n', source: null,   line: null, column: null },
 103       { str: '  ',               source: null,   line: null, column: null },
 104       { str: 'someCall()',       source: 'a.js', line: 1,    column: 0    },
 105       { str: ';\n',              source: null,   line: null, column: null },
 106       { str: '  ',               source: null,   line: null, column: null },
 107       { str: 'if (foo) bar()',   source: 'b.js', line: 2,    column: 0    },
 108       { str: ';\n',              source: null,   line: null, column: null },
 109       { str: '}());',            source: null,   line: null, column: null },
 110     ];
 111     var i = 0;
 112     node.walk(function (chunk, loc) {
 113       assert.equal(expected[i].str, chunk);
 114       assert.equal(expected[i].source, loc.source);
 115       assert.equal(expected[i].line, loc.line);
 116       assert.equal(expected[i].column, loc.column);
 117       i++;
 118     });
 119   };
 120
 121   exports['test .replaceRight'] = function (assert, util) {
 122     var node;
 123
 124     // Not nested
 125     node = new SourceNode(null, null, null, 'hello world');
 126     node.replaceRight(/world/, 'universe');
 127     assert.equal(node.toString(), 'hello universe');
 128
 129     // Nested
 130     node = new SourceNode(null, null, null,
 131                           [new SourceNode(null, null, null, 'hey sexy mama, '),
 132                            new SourceNode(null, null, null, 'want to kill all humans?')]);
 133     node.replaceRight(/kill all humans/, 'watch Futurama');
 134     assert.equal(node.toString(), 'hey sexy mama, want to watch Futurama?');
 135   };
 136
 137   exports['test .toStringWithSourceMap()'] = forEachNewline(function (assert, util, nl) {
 138     var node = new SourceNode(null, null, null,
 139                               ['(function () {' + nl,
 140                                '  ',
 141                                  new SourceNode(1, 0, 'a.js', 'someCall', 'originalCall'),
 142                                  new SourceNode(1, 8, 'a.js', '()'),
 143                                  ';' + nl,
 144                                '  ', new SourceNode(2, 0, 'b.js', ['if (foo) bar()']), ';' + nl,
 145                                '}());']);
 146     var result = node.toStringWithSourceMap({
 147       file: 'foo.js'
 148     });
 149
 150     assert.equal(result.code, [
 151       '(function () {',
 152       '  someCall();',
 153       '  if (foo) bar();',
 154       '}());'
 155     ].join(nl));
 156
 157     var map = result.map;
 158     var mapWithoutOptions = node.toStringWithSourceMap().map;
 159
 160     assert.ok(map instanceof SourceMapGenerator, 'map instanceof SourceMapGenerator');
 161     assert.ok(mapWithoutOptions instanceof SourceMapGenerator, 'mapWithoutOptions instanceof SourceMapGenerator');
 162     assert.ok(!('file' in mapWithoutOptions));
 163     mapWithoutOptions._file = 'foo.js';
 164     util.assertEqualMaps(assert, map.toJSON(), mapWithoutOptions.toJSON());
 165
 166     map = new SourceMapConsumer(map.toString());
 167
 168     var actual;
 169
 170     actual = map.originalPositionFor({
 171       line: 1,
 172       column: 4
 173     });
 174     assert.equal(actual.source, null);
 175     assert.equal(actual.line, null);
 176     assert.equal(actual.column, null);
 177
 178     actual = map.originalPositionFor({
 179       line: 2,
 180       column: 2
 181     });
 182     assert.equal(actual.source, 'a.js');
 183     assert.equal(actual.line, 1);
 184     assert.equal(actual.column, 0);
 185     assert.equal(actual.name, 'originalCall');
 186
 187     actual = map.originalPositionFor({
 188       line: 3,
 189       column: 2
 190     });
 191     assert.equal(actual.source, 'b.js');
 192     assert.equal(actual.line, 2);
 193     assert.equal(actual.column, 0);
 194
 195     actual = map.originalPositionFor({
 196       line: 3,
 197       column: 16
 198     });
 199     assert.equal(actual.source, null);
 200     assert.equal(actual.line, null);
 201     assert.equal(actual.column, null);
 202
 203     actual = map.originalPositionFor({
 204       line: 4,
 205       column: 2
 206     });
 207     assert.equal(actual.source, null);
 208     assert.equal(actual.line, null);
 209     assert.equal(actual.column, null);
 210   });
 211
 212   exports['test .fromStringWithSourceMap()'] = forEachNewline(function (assert, util, nl) {
 213     var testCode = util.testGeneratedCode.replace(/\n/g, nl);
 214     var node = SourceNode.fromStringWithSourceMap(
 215                               testCode,
 216                               new SourceMapConsumer(util.testMap));
 217
 218     var result = node.toStringWithSourceMap({
 219       file: 'min.js'
 220     });
 221     var map = result.map;
 222     var code = result.code;
 223
 224     assert.equal(code, testCode);
 225     assert.ok(map instanceof SourceMapGenerator, 'map instanceof SourceMapGenerator');
 226     map = map.toJSON();
 227     assert.equal(map.version, util.testMap.version);
 228     assert.equal(map.file, util.testMap.file);
 229     assert.equal(map.mappings, util.testMap.mappings);
 230   });
 231
 232   exports['test .fromStringWithSourceMap() empty map'] = forEachNewline(function (assert, util, nl) {
 233     var node = SourceNode.fromStringWithSourceMap(
 234                               util.testGeneratedCode.replace(/\n/g, nl),
 235                               new SourceMapConsumer(util.emptyMap));
 236     var result = node.toStringWithSourceMap({
 237       file: 'min.js'
 238     });
 239     var map = result.map;
 240     var code = result.code;
 241
 242     assert.equal(code, util.testGeneratedCode.replace(/\n/g, nl));
 243     assert.ok(map instanceof SourceMapGenerator, 'map instanceof SourceMapGenerator');
 244     map = map.toJSON();
 245     assert.equal(map.version, util.emptyMap.version);
 246     assert.equal(map.file, util.emptyMap.file);
 247     assert.equal(map.mappings.length, util.emptyMap.mappings.length);
 248     assert.equal(map.mappings, util.emptyMap.mappings);
 249   });
 250
 251   exports['test .fromStringWithSourceMap() complex version'] = forEachNewline(function (assert, util, nl) {
 252     var input = new SourceNode(null, null, null, [
 253       "(function() {" + nl,
 254         "  var Test = {};" + nl,
 255         "  ", new SourceNode(1, 0, "a.js", "Test.A = { value: 1234 };" + nl),
 256         "  ", new SourceNode(2, 0, "a.js", "Test.A.x = 'xyz';"), nl,
 257         "}());" + nl,
 258         "/* Generated Source */"]);
 259     input = input.toStringWithSourceMap({
 260       file: 'foo.js'
 261     });
 262
 263     var node = SourceNode.fromStringWithSourceMap(
 264                               input.code,
 265                               new SourceMapConsumer(input.map.toString()));
 266
 267     var result = node.toStringWithSourceMap({
 268       file: 'foo.js'
 269     });
 270     var map = result.map;
 271     var code = result.code;
 272
 273     assert.equal(code, input.code);
 274     assert.ok(map instanceof SourceMapGenerator, 'map instanceof SourceMapGenerator');
 275     map = map.toJSON();
 276     var inputMap = input.map.toJSON();
 277     util.assertEqualMaps(assert, map, inputMap);
 278   });
 279
 280   exports['test .fromStringWithSourceMap() third argument'] = function (assert, util) {
 281     // Assume the following directory structure:
 282     //
 283     // http://foo.org/
 284     //   bar.coffee
 285     //   app/
 286     //     coffee/
 287     //       foo.coffee
 288     //       coffeeBundle.js # Made from {foo,bar,baz}.coffee
 289     //       maps/
 290     //         coffeeBundle.js.map
 291     //     js/
 292     //       foo.js
 293     //     public/
 294     //       app.js # Made from {foo,coffeeBundle}.js
 295     //       app.js.map
 296     //
 297     // http://www.example.com/
 298     //   baz.coffee
 299
 300     var coffeeBundle = new SourceNode(1, 0, 'foo.coffee', 'foo(coffee);\n');
 301     coffeeBundle.setSourceContent('foo.coffee', 'foo coffee');
 302     coffeeBundle.add(new SourceNode(2, 0, '/bar.coffee', 'bar(coffee);\n'));
 303     coffeeBundle.add(new SourceNode(3, 0, 'http://www.example.com/baz.coffee', 'baz(coffee);'));
 304     coffeeBundle = coffeeBundle.toStringWithSourceMap({
 305       file: 'foo.js',
 306       sourceRoot: '..'
 307     });
 308
 309     var foo = new SourceNode(1, 0, 'foo.js', 'foo(js);');
 310
 311     var test = function(relativePath, expectedSources) {
 312       var app = new SourceNode();
 313       app.add(SourceNode.fromStringWithSourceMap(
 314                                 coffeeBundle.code,
 315                                 new SourceMapConsumer(coffeeBundle.map.toString()),
 316                                 relativePath));
 317       app.add(foo);
 318       var i = 0;
 319       app.walk(function (chunk, loc) {
 320         assert.equal(loc.source, expectedSources[i]);
 321         i++;
 322       });
 323       app.walkSourceContents(function (sourceFile, sourceContent) {
 324         assert.equal(sourceFile, expectedSources[0]);
 325         assert.equal(sourceContent, 'foo coffee');
 326       })
 327     };
 328
 329     test('../coffee/maps', [
 330       '../coffee/foo.coffee',
 331       '/bar.coffee',
 332       'http://www.example.com/baz.coffee',
 333       'foo.js'
 334     ]);
 335
 336     // If the third parameter is omitted or set to the current working
 337     // directory we get incorrect source paths:
 338
 339     test(undefined, [
 340       '../foo.coffee',
 341       '/bar.coffee',
 342       'http://www.example.com/baz.coffee',
 343       'foo.js'
 344     ]);
 345
 346     test('', [
 347       '../foo.coffee',
 348       '/bar.coffee',
 349       'http://www.example.com/baz.coffee',
 350       'foo.js'
 351     ]);
 352
 353     test('.', [
 354       '../foo.coffee',
 355       '/bar.coffee',
 356       'http://www.example.com/baz.coffee',
 357       'foo.js'
 358     ]);
 359
 360     test('./', [
 361       '../foo.coffee',
 362       '/bar.coffee',
 363       'http://www.example.com/baz.coffee',
 364       'foo.js'
 365     ]);
 366   };
 367
 368   exports['test .toStringWithSourceMap() merging duplicate mappings'] = forEachNewline(function (assert, util, nl) {
 369     var input = new SourceNode(null, null, null, [
 370       new SourceNode(1, 0, "a.js", "(function"),
 371       new SourceNode(1, 0, "a.js", "() {" + nl),
 372       "  ",
 373       new SourceNode(1, 0, "a.js", "var Test = "),
 374       new SourceNode(1, 0, "b.js", "{};" + nl),
 375       new SourceNode(2, 0, "b.js", "Test"),
 376       new SourceNode(2, 0, "b.js", ".A", "A"),
 377       new SourceNode(2, 20, "b.js", " = { value: ", "A"),
 378       "1234",
 379       new SourceNode(2, 40, "b.js", " };" + nl, "A"),
 380       "}());" + nl,
 381       "/* Generated Source */"
 382     ]);
 383     input = input.toStringWithSourceMap({
 384       file: 'foo.js'
 385     });
 386
 387     assert.equal(input.code, [
 388       "(function() {",
 389       "  var Test = {};",
 390       "Test.A = { value: 1234 };",
 391       "}());",
 392       "/* Generated Source */"
 393     ].join(nl))
 394
 395     var correctMap = new SourceMapGenerator({
 396       file: 'foo.js'
 397     });
 398     correctMap.addMapping({
 399       generated: { line: 1, column: 0 },
 400       source: 'a.js',
 401       original: { line: 1, column: 0 }
 402     });
 403     // Here is no need for a empty mapping,
 404     // because mappings ends at eol
 405     correctMap.addMapping({
 406       generated: { line: 2, column: 2 },
 407       source: 'a.js',
 408       original: { line: 1, column: 0 }
 409     });
 410     correctMap.addMapping({
 411       generated: { line: 2, column: 13 },
 412       source: 'b.js',
 413       original: { line: 1, column: 0 }
 414     });
 415     correctMap.addMapping({
 416       generated: { line: 3, column: 0 },
 417       source: 'b.js',
 418       original: { line: 2, column: 0 }
 419     });
 420     correctMap.addMapping({
 421       generated: { line: 3, column: 4 },
 422       source: 'b.js',
 423       name: 'A',
 424       original: { line: 2, column: 0 }
 425     });
 426     correctMap.addMapping({
 427       generated: { line: 3, column: 6 },
 428       source: 'b.js',
 429       name: 'A',
 430       original: { line: 2, column: 20 }
 431     });
 432     // This empty mapping is required,
 433     // because there is a hole in the middle of the line
 434     correctMap.addMapping({
 435       generated: { line: 3, column: 18 }
 436     });
 437     correctMap.addMapping({
 438       generated: { line: 3, column: 22 },
 439       source: 'b.js',
 440       name: 'A',
 441       original: { line: 2, column: 40 }
 442     });
 443     // Here is no need for a empty mapping,
 444     // because mappings ends at eol
 445
 446     var inputMap = input.map.toJSON();
 447     correctMap = correctMap.toJSON();
 448     util.assertEqualMaps(assert, inputMap, correctMap);
 449   });
 450
 451   exports['test .toStringWithSourceMap() multi-line SourceNodes'] = forEachNewline(function (assert, util, nl) {
 452     var input = new SourceNode(null, null, null, [
 453       new SourceNode(1, 0, "a.js", "(function() {" + nl + "var nextLine = 1;" + nl + "anotherLine();" + nl),
 454       new SourceNode(2, 2, "b.js", "Test.call(this, 123);" + nl),
 455       new SourceNode(2, 2, "b.js", "this['stuff'] = 'v';" + nl),
 456       new SourceNode(2, 2, "b.js", "anotherLine();" + nl),
 457       "/*" + nl + "Generated" + nl + "Source" + nl + "*/" + nl,
 458       new SourceNode(3, 4, "c.js", "anotherLine();" + nl),
 459       "/*" + nl + "Generated" + nl + "Source" + nl + "*/"
 460     ]);
 461     input = input.toStringWithSourceMap({
 462       file: 'foo.js'
 463     });
 464
 465     assert.equal(input.code, [
 466       "(function() {",
 467       "var nextLine = 1;",
 468       "anotherLine();",
 469       "Test.call(this, 123);",
 470       "this['stuff'] = 'v';",
 471       "anotherLine();",
 472       "/*",
 473       "Generated",
 474       "Source",
 475       "*/",
 476       "anotherLine();",
 477       "/*",
 478       "Generated",
 479       "Source",
 480       "*/"
 481     ].join(nl));
 482
 483     var correctMap = new SourceMapGenerator({
 484       file: 'foo.js'
 485     });
 486     correctMap.addMapping({
 487       generated: { line: 1, column: 0 },
 488       source: 'a.js',
 489       original: { line: 1, column: 0 }
 490     });
 491     correctMap.addMapping({
 492       generated: { line: 2, column: 0 },
 493       source: 'a.js',
 494       original: { line: 1, column: 0 }
 495     });
 496     correctMap.addMapping({
 497       generated: { line: 3, column: 0 },
 498       source: 'a.js',
 499       original: { line: 1, column: 0 }
 500     });
 501     correctMap.addMapping({
 502       generated: { line: 4, column: 0 },
 503       source: 'b.js',
 504       original: { line: 2, column: 2 }
 505     });
 506     correctMap.addMapping({
 507       generated: { line: 5, column: 0 },
 508       source: 'b.js',
 509       original: { line: 2, column: 2 }
 510     });
 511     correctMap.addMapping({
 512       generated: { line: 6, column: 0 },
 513       source: 'b.js',
 514       original: { line: 2, column: 2 }
 515     });
 516     correctMap.addMapping({
 517       generated: { line: 11, column: 0 },
 518       source: 'c.js',
 519       original: { line: 3, column: 4 }
 520     });
 521
 522     var inputMap = input.map.toJSON();
 523     correctMap = correctMap.toJSON();
 524     util.assertEqualMaps(assert, inputMap, correctMap);
 525   });
 526
 527   exports['test .toStringWithSourceMap() with empty string'] = function (assert, util) {
 528     var node = new SourceNode(1, 0, 'empty.js', '');
 529     var result = node.toStringWithSourceMap();
 530     assert.equal(result.code, '');
 531   };
 532
 533   exports['test .toStringWithSourceMap() with consecutive newlines'] = forEachNewline(function (assert, util, nl) {
 534     var input = new SourceNode(null, null, null, [
 535       "/***/" + nl + nl,
 536       new SourceNode(1, 0, "a.js", "'use strict';" + nl),
 537       new SourceNode(2, 0, "a.js", "a();"),
 538     ]);
 539     input = input.toStringWithSourceMap({
 540       file: 'foo.js'
 541     });
 542
 543     assert.equal(input.code, [
 544       "/***/",
 545       "",
 546       "'use strict';",
 547       "a();",
 548     ].join(nl));
 549
 550     var correctMap = new SourceMapGenerator({
 551       file: 'foo.js'
 552     });
 553     correctMap.addMapping({
 554       generated: { line: 3, column: 0 },
 555       source: 'a.js',
 556       original: { line: 1, column: 0 }
 557     });
 558     correctMap.addMapping({
 559       generated: { line: 4, column: 0 },
 560       source: 'a.js',
 561       original: { line: 2, column: 0 }
 562     });
 563
 564     var inputMap = input.map.toJSON();
 565     correctMap = correctMap.toJSON();
 566     util.assertEqualMaps(assert, inputMap, correctMap);
 567   });
 568
 569   exports['test setSourceContent with toStringWithSourceMap'] = function (assert, util) {
 570     var aNode = new SourceNode(1, 1, 'a.js', 'a');
 571     aNode.setSourceContent('a.js', 'someContent');
 572     var node = new SourceNode(null, null, null,
 573                               ['(function () {\n',
 574                                '  ', aNode,
 575                                '  ', new SourceNode(1, 1, 'b.js', 'b'),
 576                                '}());']);
 577     node.setSourceContent('b.js', 'otherContent');
 578     var map = node.toStringWithSourceMap({
 579       file: 'foo.js'
 580     }).map;
 581
 582     assert.ok(map instanceof SourceMapGenerator, 'map instanceof SourceMapGenerator');
 583     map = new SourceMapConsumer(map.toString());
 584
 585     assert.equal(map.sources.length, 2);
 586     assert.equal(map.sources[0], 'a.js');
 587     assert.equal(map.sources[1], 'b.js');
 588     assert.equal(map.sourcesContent.length, 2);
 589     assert.equal(map.sourcesContent[0], 'someContent');
 590     assert.equal(map.sourcesContent[1], 'otherContent');
 591   };
 592
 593   exports['test walkSourceContents'] = function (assert, util) {
 594     var aNode = new SourceNode(1, 1, 'a.js', 'a');
 595     aNode.setSourceContent('a.js', 'someContent');
 596     var node = new SourceNode(null, null, null,
 597                               ['(function () {\n',
 598                                '  ', aNode,
 599                                '  ', new SourceNode(1, 1, 'b.js', 'b'),
 600                                '}());']);
 601     node.setSourceContent('b.js', 'otherContent');
 602     var results = [];
 603     node.walkSourceContents(function (sourceFile, sourceContent) {
 604       results.push([sourceFile, sourceContent]);
 605     });
 606     assert.equal(results.length, 2);
 607     assert.equal(results[0][0], 'a.js');
 608     assert.equal(results[0][1], 'someContent');
 609     assert.equal(results[1][0], 'b.js');
 610     assert.equal(results[1][1], 'otherContent');
 611   };
 612 });