{fs} = require 'atom' path = require 'path' temp = require 'temp' TextMateGrammar = require '../src/text-mate-grammar' describe "the `syntax` global", -> beforeEach -> atom.packages.activatePackage('language-text', sync: true) atom.packages.activatePackage('language-javascript', sync: true) atom.packages.activatePackage('language-coffee-script', sync: true) atom.packages.activatePackage('language-ruby', sync: true) describe "serialization", -> it "remembers grammar overrides by path", -> filePath = '/foo/bar/file.js' expect(atom.syntax.selectGrammar(filePath).name).not.toBe 'Ruby' atom.syntax.setGrammarOverrideForPath(filePath, 'source.ruby') syntax2 = atom.deserializers.deserialize(atom.syntax.serialize()) syntax2.addGrammar(grammar) for grammar in atom.syntax.grammars when grammar isnt atom.syntax.nullGrammar expect(syntax2.selectGrammar(filePath).name).toBe 'Ruby' describe ".selectGrammar(filePath)", -> it "can use the filePath to load the correct grammar based on the grammar's filetype", -> atom.packages.activatePackage('language-git', sync: true) expect(atom.syntax.selectGrammar("file.js").name).toBe "JavaScript" # based on extension (.js) expect(atom.syntax.selectGrammar(path.join(temp.dir, '.git', 'config')).name).toBe "Git Config" # based on end of the path (.git/config) expect(atom.syntax.selectGrammar("Rakefile").name).toBe "Ruby" # based on the file's basename (Rakefile) expect(atom.syntax.selectGrammar("curb").name).toBe "Null Grammar" expect(atom.syntax.selectGrammar("/hu.git/config").name).toBe "Null Grammar" it "uses the filePath's shebang line if the grammar cannot be determined by the extension or basename", -> filePath = require.resolve("./fixtures/shebang") expect(atom.syntax.selectGrammar(filePath).name).toBe "Ruby" it "uses the number of newlines in the first line regex to determine the number of lines to test against", -> atom.packages.activatePackage('language-property-list', sync: true) fileContent = "first-line\n" expect(atom.syntax.selectGrammar("dummy.coffee", fileContent).name).toBe "CoffeeScript" fileContent = '' expect(atom.syntax.selectGrammar("grammar.tmLanguage", fileContent).name).toBe "Null Grammar" fileContent += '\n' expect(atom.syntax.selectGrammar("grammar.tmLanguage", fileContent).name).toBe "Property List (XML)" it "doesn't read the file when the file contents are specified", -> filePath = require.resolve("./fixtures/shebang") filePathContents = fs.readFileSync(filePath, 'utf8') spyOn(fs, 'read').andCallThrough() expect(atom.syntax.selectGrammar(filePath, filePathContents).name).toBe "Ruby" expect(fs.read).not.toHaveBeenCalled() it "allows the default grammar to be overridden for a path", -> filePath = '/foo/bar/file.js' expect(atom.syntax.selectGrammar(filePath).name).not.toBe 'Ruby' atom.syntax.setGrammarOverrideForPath(filePath, 'source.ruby') expect(atom.syntax.selectGrammar(filePath).name).toBe 'Ruby' atom.syntax.clearGrammarOverrideForPath(filePath) expect(atom.syntax.selectGrammar(filePath).name).not.toBe 'Ruby' describe "when multiple grammars have matching fileTypes", -> it "selects the grammar with the longest fileType match", -> grammar1 = new TextMateGrammar name: 'test1' scopeName: 'source1' fileTypes: ['test', 'more.test'] grammar2 = new TextMateGrammar name: 'test2' scopeName: 'source2' fileTypes: ['test'] atom.syntax.addGrammar(grammar1) atom.syntax.addGrammar(grammar2) expect(atom.syntax.selectGrammar('more.test', '')).toBe grammar1 describe "when there is no file path", -> it "does not throw an exception (regression)", -> expect(-> atom.syntax.selectGrammar(null, '#!/usr/bin/ruby')).not.toThrow() expect(-> atom.syntax.selectGrammar(null, '')).not.toThrow() expect(-> atom.syntax.selectGrammar(null, null)).not.toThrow() describe ".removeGrammar(grammar)", -> it "removes the grammar, so it won't be returned by selectGrammar", -> grammar = atom.syntax.selectGrammar('foo.js') atom.syntax.removeGrammar(grammar) expect(atom.syntax.selectGrammar('foo.js').name).not.toBe grammar.name describe ".getProperty(scopeDescriptor)", -> it "returns the property with the most specific scope selector", -> atom.syntax.addProperties(".source.coffee .string.quoted.double.coffee", foo: bar: baz: 42) atom.syntax.addProperties(".source .string.quoted.double", foo: bar: baz: 22) atom.syntax.addProperties(".source", foo: bar: baz: 11) expect(atom.syntax.getProperty([".source.coffee", ".string.quoted.double.coffee"], "foo.bar.baz")).toBe 42 expect(atom.syntax.getProperty([".source.js", ".string.quoted.double.js"], "foo.bar.baz")).toBe 22 expect(atom.syntax.getProperty([".source.js", ".variable.assignment.js"], "foo.bar.baz")).toBe 11 expect(atom.syntax.getProperty([".text"], "foo.bar.baz")).toBeUndefined() it "favors the most recently added properties in the event of a specificity tie", -> atom.syntax.addProperties(".source.coffee .string.quoted.single", foo: bar: baz: 42) atom.syntax.addProperties(".source.coffee .string.quoted.double", foo: bar: baz: 22) expect(atom.syntax.getProperty([".source.coffee", ".string.quoted.single"], "foo.bar.baz")).toBe 42 expect(atom.syntax.getProperty([".source.coffee", ".string.quoted.single.double"], "foo.bar.baz")).toBe 22 describe ".removeProperties(name)", -> it "allows properties to be removed by name", -> atom.syntax.addProperties("a", ".source.coffee .string.quoted.double.coffee", foo: bar: baz: 42) atom.syntax.addProperties("b", ".source .string.quoted.double", foo: bar: baz: 22) atom.syntax.removeProperties("b") expect(atom.syntax.getProperty([".source.js", ".string.quoted.double.js"], "foo.bar.baz")).toBeUndefined() expect(atom.syntax.getProperty([".source.coffee", ".string.quoted.double.coffee"], "foo.bar.baz")).toBe 42