angular-cn/docs/dgeni-package/services/tsParser/createCompilerHost.spec.js

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JavaScript

var mockPackage = require('../../mocks/mockPackage');
var Dgeni = require('dgeni');
var path = require('canonical-path');
var ts = require('typescript');
describe('createCompilerHost', function() {
var dgeni, injector, options, host, baseDir, extensions;
beforeEach(function() {
dgeni = new Dgeni([mockPackage()]);
injector = dgeni.configureInjector();
var createCompilerHost = injector.get('createCompilerHost');
options = { charset: 'utf8' };
baseDir = path.resolve(__dirname, '../../mocks/');
extensions = ['.ts', '.js'];
host = createCompilerHost(options, baseDir, extensions);
});
describe('getSourceFile', function() {
it('should return a SourceFile object for a given path, with fileName relative to baseDir', function() {
var sourceFile = host.getSourceFile('testSrc.ts');
expect(sourceFile.fileName).toEqual('testSrc.ts');
expect(sourceFile.pos).toEqual(0);
expect(sourceFile.text).toEqual(jasmine.any(String));
});
it('should try each of the configured extensions and update the filename to the correct extension', function() {
var sourceFile = host.getSourceFile('testSrc.js');
expect(sourceFile.fileName).toEqual('testSrc.ts');
sourceFile = host.getSourceFile('mockPackage.ts');
expect(sourceFile.fileName).toEqual('mockPackage.js');
});
});
describe('getDefaultLibFileName', function() {
it('should return a path to the default library', function() {
expect(host.getDefaultLibFileName(options)).toContain('typescript/bin/lib.d.ts');
});
});
describe('writeFile', function() {
it('should do nothing', function() {
host.writeFile();
});
});
describe('getCurrentDirectory', function() {
it('should return the baseDir', function() {
expect(host.getCurrentDirectory()).toEqual(baseDir);
});
});
describe('useCaseSensitiveFileNames', function() {
it('should return true if the OS is case sensitive', function() {
expect(host.useCaseSensitiveFileNames()).toBe(ts.sys.useCaseSensitiveFileNames);
});
});
describe('getCanonicalFileName', function() {
it('should lower case the filename', function() {
var expectedFilePath = host.useCaseSensitiveFileNames() ? 'SomeFile.ts' : 'somefile.ts';
expect(host.getCanonicalFileName('SomeFile.ts')).toEqual(expectedFilePath);
});
});
describe('getNewLine', function() {
it('should return the newline character for the OS', function() {
expect(host.getNewLine()).toEqual(require('os').EOL);
});
});
});