232 lines
12 KiB
TypeScript
232 lines
12 KiB
TypeScript
/// <reference path="..\..\..\src\harness\external\mocha.d.ts" />
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/// <reference path='..\..\..\src\harness\harness.ts' />
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declare namespace chai.assert {
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function deepEqual(actual: any, expected: any): void;
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}
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module ts {
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interface File {
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name: string
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content?: string
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}
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function createModuleResolutionHost(...files: File[]): ModuleResolutionHost {
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let map = arrayToMap(files, f => f.name);
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return { fileExists, readFile };
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function fileExists(path: string): boolean {
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return hasProperty(map, path);
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}
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function readFile(path: string): string {
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return hasProperty(map, path) ? map[path].content : undefined;
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}
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}
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function splitPath(path: string): { dir: string; rel: string } {
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let index = path.indexOf(directorySeparator);
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return index === -1
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? { dir: path, rel: undefined }
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: { dir: path.substr(0, index), rel: path.substr(index + 1) };
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}
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describe("Node module resolution - relative paths", () => {
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function testLoadAsFile(containingFileName: string, moduleFileNameNoExt: string, moduleName: string): void {
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for (let ext of supportedExtensions) {
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let containingFile = { name: containingFileName }
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let moduleFile = { name: moduleFileNameNoExt + ext }
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let resolution = nodeModuleNameResolver(moduleName, containingFile.name, createModuleResolutionHost(containingFile, moduleFile));
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assert.equal(resolution.resolvedModule.resolvedFileName, moduleFile.name);
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assert.equal(!!resolution.resolvedModule.isExternalLibraryImport, false);
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let failedLookupLocations: string[] = [];
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let dir = getDirectoryPath(containingFileName);
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for (let e of supportedExtensions) {
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if (e === ext) {
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break;
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}
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else {
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failedLookupLocations.push(normalizePath(getRootLength(moduleName) === 0 ? combinePaths(dir, moduleName) : moduleName) + e);
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}
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}
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assert.deepEqual(resolution.failedLookupLocations, failedLookupLocations);
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}
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}
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it("module name that starts with './' resolved as relative file name", () => {
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testLoadAsFile("/foo/bar/baz.ts", "/foo/bar/foo", "./foo");
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});
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it("module name that starts with '../' resolved as relative file name", () => {
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testLoadAsFile("/foo/bar/baz.ts", "/foo/foo", "../foo");
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});
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it("module name that starts with '/' script extension resolved as relative file name", () => {
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testLoadAsFile("/foo/bar/baz.ts", "/foo", "/foo");
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});
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it("module name that starts with 'c:/' script extension resolved as relative file name", () => {
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testLoadAsFile("c:/foo/bar/baz.ts", "c:/foo", "c:/foo");
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});
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function testLoadingFromPackageJson(containingFileName: string, packageJsonFileName: string, fieldRef: string, moduleFileName: string, moduleName: string): void {
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let containingFile = { name: containingFileName };
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let packageJson = { name: packageJsonFileName, content: JSON.stringify({ "typings": fieldRef }) };
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let moduleFile = { name: moduleFileName };
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let resolution = nodeModuleNameResolver(moduleName, containingFile.name, createModuleResolutionHost(containingFile, packageJson, moduleFile));
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assert.equal(resolution.resolvedModule.resolvedFileName, moduleFile.name);
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assert.equal(!!resolution.resolvedModule.isExternalLibraryImport, false);
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// expect three failed lookup location - attempt to load module as file with all supported extensions
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assert.equal(resolution.failedLookupLocations.length, 3);
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}
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it("module name as directory - load from typings", () => {
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testLoadingFromPackageJson("/a/b/c/d.ts", "/a/b/c/bar/package.json", "c/d/e.d.ts", "/a/b/c/bar/c/d/e.d.ts", "./bar");
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testLoadingFromPackageJson("/a/b/c/d.ts", "/a/bar/package.json", "e.d.ts", "/a/bar/e.d.ts", "../../bar");
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testLoadingFromPackageJson("/a/b/c/d.ts", "/bar/package.json", "e.d.ts", "/bar/e.d.ts", "/bar");
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testLoadingFromPackageJson("c:/a/b/c/d.ts", "c:/bar/package.json", "e.d.ts", "c:/bar/e.d.ts", "c:/bar");
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});
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it ("module name as directory - load index.d.ts", () => {
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let containingFile = {name: "/a/b/c.ts"};
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let packageJson = {name: "/a/b/foo/package.json", content: JSON.stringify({main: "/c/d"})};
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let indexFile = { name: "/a/b/foo/index.d.ts" };
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let resolution = nodeModuleNameResolver("./foo", containingFile.name, createModuleResolutionHost(containingFile, packageJson, indexFile));
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assert.equal(resolution.resolvedModule.resolvedFileName, indexFile.name);
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assert.equal(!!resolution.resolvedModule.isExternalLibraryImport, false);
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assert.deepEqual(resolution.failedLookupLocations, [
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"/a/b/foo.ts",
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"/a/b/foo.tsx",
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"/a/b/foo.d.ts",
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"/a/b/foo/index.ts",
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"/a/b/foo/index.tsx",
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]);
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});
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});
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describe("Node module resolution - non-relative paths", () => {
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it("load module as file - ts files not loaded", () => {
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let containingFile = { name: "/a/b/c/d/e.ts" };
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let moduleFile = { name: "/a/b/node_modules/foo.ts" };
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let resolution = nodeModuleNameResolver("foo", containingFile.name, createModuleResolutionHost(containingFile, moduleFile));
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assert.equal(resolution.resolvedModule, undefined);
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assert.deepEqual(resolution.failedLookupLocations, [
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"/a/b/c/d/node_modules/foo.d.ts",
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"/a/b/c/d/node_modules/foo/package.json",
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"/a/b/c/d/node_modules/foo/index.d.ts",
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"/a/b/c/node_modules/foo.d.ts",
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"/a/b/c/node_modules/foo/package.json",
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"/a/b/c/node_modules/foo/index.d.ts",
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"/a/b/node_modules/foo.d.ts",
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"/a/b/node_modules/foo/package.json",
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"/a/b/node_modules/foo/index.d.ts",
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"/a/node_modules/foo.d.ts",
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"/a/node_modules/foo/package.json",
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"/a/node_modules/foo/index.d.ts",
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"/node_modules/foo.d.ts",
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"/node_modules/foo/package.json",
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"/node_modules/foo/index.d.ts"
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])
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});
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it("load module as file", () => {
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let containingFile = { name: "/a/b/c/d/e.ts" };
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let moduleFile = { name: "/a/b/node_modules/foo.d.ts" };
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let resolution = nodeModuleNameResolver("foo", containingFile.name, createModuleResolutionHost(containingFile, moduleFile));
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assert.equal(resolution.resolvedModule.resolvedFileName, moduleFile.name);
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assert.equal(resolution.resolvedModule.isExternalLibraryImport, true);
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});
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it("load module as directory", () => {
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let containingFile = { name: "/a/node_modules/b/c/node_modules/d/e.ts" };
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let moduleFile = { name: "/a/node_modules/foo/index.d.ts" };
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let resolution = nodeModuleNameResolver("foo", containingFile.name, createModuleResolutionHost(containingFile, moduleFile));
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assert.equal(resolution.resolvedModule.resolvedFileName, moduleFile.name);
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assert.equal(resolution.resolvedModule.isExternalLibraryImport, true);
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assert.deepEqual(resolution.failedLookupLocations, [
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"/a/node_modules/b/c/node_modules/d/node_modules/foo.d.ts",
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"/a/node_modules/b/c/node_modules/d/node_modules/foo/package.json",
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"/a/node_modules/b/c/node_modules/d/node_modules/foo/index.d.ts",
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"/a/node_modules/b/c/node_modules/foo.d.ts",
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"/a/node_modules/b/c/node_modules/foo/package.json",
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"/a/node_modules/b/c/node_modules/foo/index.d.ts",
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"/a/node_modules/b/node_modules/foo.d.ts",
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"/a/node_modules/b/node_modules/foo/package.json",
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"/a/node_modules/b/node_modules/foo/index.d.ts",
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"/a/node_modules/foo.d.ts",
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"/a/node_modules/foo/package.json"
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]);
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});
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});
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describe("Module resolution - relative imports", () => {
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it("should find all modules", () => {
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const options: CompilerOptions = { module: ModuleKind.CommonJS };
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const files: Map<string> = {
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"/a/b/c/first/shared.ts": `
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class A {}
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export = A`,
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"/a/b/c/first/second/class_a.ts": `
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import Shared = require('../shared');
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import C = require('../../third/class_c');
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class B {}
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export = B;`,
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"/a/b/c/third/class_c.ts":`
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import Shared = require('../first/shared');
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class C {}
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export = C;
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`
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};
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const currentDirectory = "/a/b/c/first/second";
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const host: CompilerHost = {
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getSourceFile: (fileName: string, languageVersion: ScriptTarget) => {
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let path = normalizePath(combinePaths(currentDirectory, fileName));
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return hasProperty(files, path) ? createSourceFile(fileName, files[path], languageVersion) : undefined;
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},
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getDefaultLibFileName: () => "lib.d.ts",
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writeFile: (fileName, content): void => { throw new Error("NotImplemented"); },
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getCurrentDirectory: () => currentDirectory,
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getCanonicalFileName: fileName => fileName.toLowerCase(),
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getNewLine: () => "\r\n",
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useCaseSensitiveFileNames: () => false,
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fileExists: fileName => {
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let path = normalizePath(combinePaths(currentDirectory, fileName));
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return hasProperty(files, path);
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},
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readFile: (fileName): string => { throw new Error("NotImplemented"); }
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};
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const program = createProgram(["class_a.ts"], options, host);
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assert.equal(program.getSourceFiles().length, 3);
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const syntacticDiagnostics = program.getSyntacticDiagnostics();
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assert.equal(syntacticDiagnostics.length, 0, `expect no syntactic diagnostics, got: ${JSON.stringify(syntacticDiagnostics.map(diagnosticToString))}`);
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const semanticDiagnostics = program.getSemanticDiagnostics();
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assert.equal(semanticDiagnostics.length, 0, `expect no semantic diagnostics, got: ${JSON.stringify(semanticDiagnostics.map(diagnosticToString))}`);
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// try to get file using a relative name
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const fileC = program.getSourceFile("../../../c/third/class_c.ts");
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assert.isTrue(fileC !== undefined, `expected to get file by relative name, got ${fileC}`);
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});
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function diagnosticToString(diagnostic: Diagnostic) {
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let output = "";
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if (diagnostic.file) {
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let loc = getLineAndCharacterOfPosition(diagnostic.file, diagnostic.start);
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output += `${ diagnostic.file.fileName }(${ loc.line + 1 },${ loc.character + 1 }): `;
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}
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let category = DiagnosticCategory[diagnostic.category].toLowerCase();
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output += `${ category } TS${ diagnostic.code }: ${ flattenDiagnosticMessageText(diagnostic.messageText, sys.newLine) }${ sys.newLine }`;
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return output;
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}
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});
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} |