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readImports-test.js (3638B)

      1 var vows = require("vows"),
      2     assert = require("assert"),
      3     smash = require("../");
      4 
      5 var suite = vows.describe("smash.readImports");
      6 
      7 suite.addBatch({
      8   "readImports": {
      9     "on a file with no imports": {
     10       topic: function() {
     11         smash.readImports("test/data/foo.js", this.callback);
     12       },
     13       "returns the empty array": function(imports) {
     14         assert.deepEqual(imports, []);
     15       }
     16     },
     17     "on a file with imports with trailing comments": {
     18       topic: function() {
     19         smash.readImports("test/data/trailing-comment-import.js", this.callback);
     20       },
     21       "returns the empty array": function(imports) {
     22         assert.deepEqual(imports, ["test/data/foo.js", "test/data/bar.js"]);
     23       }
     24     },
     25     "on a file with invalid import syntax": {
     26       topic: function() {
     27         var callback = this.callback;
     28         smash.readImports("test/data/invalid-import-syntax.js", function(error) {
     29           callback(null, error);
     30         });
     31       },
     32       "throws an error with the expected message": function(error) {
     33         assert.deepEqual(error.message, "invalid import: test/data/invalid-import-syntax.js:0: import foo;");
     34       }
     35     },
     36     "on a file with that imports a file that does not exist": {
     37       topic: function() {
     38         smash.readImports("test/data/imports-not-found.js", this.callback);
     39       },
     40       "returns the expected import": function(imports) {
     41         assert.deepEqual(imports, ["test/data/not-found.js"]);
     42       }
     43     },
     44     "on a file with a commented-out import": {
     45       topic: function() {
     46         smash.readImports("test/data/commented-import.js", this.callback);
     47       },
     48       "ignores the commented-out input": function(imports) {
     49         assert.deepEqual(imports, []);
     50       }
     51     },
     52     "on a file with a not-commented-out import": {
     53       topic: function() {
     54         smash.readImports("test/data/not-commented-import.js", this.callback);
     55       },
     56       "does not ignore the not-commented-out import": function(imports) {
     57         assert.deepEqual(imports, ["test/data/foo.js"]);
     58       }
     59     },
     60     "on a file with one import": {
     61       topic: function() {
     62         smash.readImports("test/data/imports-foo.js", this.callback);
     63       },
     64       "returns the expected import": function(imports) {
     65         assert.deepEqual(imports, ["test/data/foo.js"]);
     66       }
     67     },
     68     "on a file with multiple imports": {
     69       topic: function() {
     70         smash.readImports("test/data/imports-foo-bar-baz.js", this.callback);
     71       },
     72       "returns the expected imports, in order": function(imports) {
     73         assert.deepEqual(imports, ["test/data/foo.js", "test/data/bar.js", "test/data/baz.js"]);
     74       }
     75     },
     76     "on a file with multiple redundant imports": {
     77       topic: function() {
     78         smash.readImports("test/data/imports-foo-foo-bar-foo.js", this.callback);
     79       },
     80       "returns all imports, in order": function(imports) {
     81         assert.deepEqual(imports, ["test/data/foo.js", "test/data/foo.js", "test/data/bar.js", "test/data/foo.js"]);
     82       }
     83     },
     84     "on a file with nested imports": {
     85       topic: function() {
     86         smash.readImports("test/data/imports-imports-foo.js", this.callback);
     87       },
     88       "returns the expected imports, in order": function(imports) {
     89         assert.deepEqual(imports, ["test/data/imports-foo.js"]);
     90       }
     91     },
     92     "on a file that imports itself": {
     93       topic: function() {
     94         smash.readImports("test/data/imports-self.js", this.callback);
     95       },
     96       "returns the expected import": function(imports) {
     97         assert.deepEqual(imports, ["test/data/imports-self.js"]);
     98       }
     99     }
    100   }
    101 });
    102 
    103 suite.export(module);