357 lines
19 KiB
TypeScript
357 lines
19 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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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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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 supportedTypeScriptExtensions) {
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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, supportedTypeScriptExtensions, 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 supportedTypeScriptExtensions) {
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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, supportedTypeScriptExtensions, 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, supportedTypeScriptExtensions.length);
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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, supportedTypeScriptExtensions, 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, supportedTypeScriptExtensions, createModuleResolutionHost(containingFile, moduleFile));
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assert.equal(resolution.resolvedModule.resolvedFileName, moduleFile.name);
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assert.deepEqual(resolution.failedLookupLocations, [
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"/a/b/c/d/node_modules/foo.ts",
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"/a/b/c/d/node_modules/foo.tsx",
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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.ts",
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"/a/b/c/d/node_modules/foo/index.tsx",
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"/a/b/c/d/node_modules/foo/index.d.ts",
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"/a/b/c/node_modules/foo.ts",
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"/a/b/c/node_modules/foo.tsx",
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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.ts",
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"/a/b/c/node_modules/foo/index.tsx",
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"/a/b/c/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, supportedTypeScriptExtensions, 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, supportedTypeScriptExtensions, 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.ts",
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"/a/node_modules/b/c/node_modules/d/node_modules/foo.tsx",
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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.ts",
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"/a/node_modules/b/c/node_modules/d/node_modules/foo/index.tsx",
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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.ts",
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"/a/node_modules/b/c/node_modules/foo.tsx",
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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.ts",
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"/a/node_modules/b/c/node_modules/foo/index.tsx",
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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.ts",
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"/a/node_modules/b/node_modules/foo.tsx",
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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.ts",
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"/a/node_modules/b/node_modules/foo/index.tsx",
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"/a/node_modules/b/node_modules/foo/index.d.ts",
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"/a/node_modules/foo.ts",
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"/a/node_modules/foo.tsx",
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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.ts",
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"/a/node_modules/foo/index.tsx"
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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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function test(files: Map<string>, currentDirectory: string, rootFiles: string[], expectedFilesCount: number, relativeNamesToCheck: string[]) {
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const options: CompilerOptions = { module: ModuleKind.CommonJS };
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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(rootFiles, options, host);
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assert.equal(program.getSourceFiles().length, expectedFilesCount);
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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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for (const relativeFileName of relativeNamesToCheck) {
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assert.isTrue(program.getSourceFile(relativeFileName) !== undefined, `expected to get file by relative name, got undefined`);
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}
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}
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it("should find all modules", () => {
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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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test(files, "/a/b/c/first/second", ["class_a.ts"], 3, ["../../../c/third/class_c.ts"]);
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});
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it("should find modules in node_modules", () => {
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const files: Map<string> = {
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"/parent/node_modules/mod/index.d.ts": "export var x",
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"/parent/app/myapp.ts": `import {x} from "mod"`
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};
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test(files, "/parent/app",["myapp.ts"], 2, []);
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});
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it("should find file referenced via absolute and relative names", () => {
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const files: Map<string> = {
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"/a/b/c.ts": `/// <reference path="b.ts"/>`,
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"/a/b/b.ts": "var x"
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};
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test(files, "/a/b", ["c.ts", "/a/b/b.ts"], 2, []);
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});
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});
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describe("Files with different casing", () => {
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const library = createSourceFile("lib.d.ts", "", ScriptTarget.ES5);
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function test(files: Map<string>, options: CompilerOptions, currentDirectory: string, useCaseSensitiveFileNames: boolean, rootFiles: string[], diagnosticCodes: number[]): void {
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const getCanonicalFileName = createGetCanonicalFileName(useCaseSensitiveFileNames);
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if (!useCaseSensitiveFileNames) {
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let f: Map<string> = {};
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for (let fileName in files) {
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f[getCanonicalFileName(fileName)] = files[fileName];
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}
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files = f;
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}
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const host: CompilerHost = {
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getSourceFile: (fileName: string, languageVersion: ScriptTarget) => {
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if (fileName === "lib.d.ts") {
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return library;
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}
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let path = getCanonicalFileName(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,
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getNewLine: () => "\r\n",
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useCaseSensitiveFileNames: () => useCaseSensitiveFileNames,
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fileExists: fileName => {
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let path = getCanonicalFileName(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(rootFiles, options, host);
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const diagnostics = sortAndDeduplicateDiagnostics(program.getSemanticDiagnostics().concat(program.getOptionsDiagnostics()));
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assert.equal(diagnostics.length, diagnosticCodes.length, `Incorrect number of expected diagnostics, expected ${diagnosticCodes.length}, got '${map(diagnostics, diagnosticToString).join("\r\n")}'`);
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for (let i = 0; i < diagnosticCodes.length; ++i) {
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assert.equal(diagnostics[i].code, diagnosticCodes[i], `Expected diagnostic code ${diagnosticCodes[i]}, got '${diagnostics[i].code}': '${diagnostics[i].messageText}'`);
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}
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}
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it("should succeed when the same file is referenced using absolute and relative names", () => {
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const files: Map<string> = {
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"/a/b/c.ts": `/// <reference path="d.ts"/>`,
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"/a/b/d.ts": "var x"
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};
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test(files, { module: ts.ModuleKind.AMD }, "/a/b", /* useCaseSensitiveFileNames */ false, ["c.ts", "/a/b/d.ts"], []);
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});
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it("should fail when two files used in program differ only in casing (tripleslash references)", () => {
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const files: Map<string> = {
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"/a/b/c.ts": `/// <reference path="D.ts"/>`,
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"/a/b/d.ts": "var x"
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};
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test(files, { module: ts.ModuleKind.AMD, forceConsistentCasingInFileNames: true }, "/a/b", /* useCaseSensitiveFileNames */ false, ["c.ts", "d.ts"], [1149]);
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});
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it("should fail when two files used in program differ only in casing (imports)", () => {
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const files: Map<string> = {
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"/a/b/c.ts": `import {x} from "D"`,
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"/a/b/d.ts": "export var x"
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};
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test(files, { module: ts.ModuleKind.AMD, forceConsistentCasingInFileNames: true }, "/a/b", /* useCaseSensitiveFileNames */ false, ["c.ts", "d.ts"], [1149]);
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});
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it("should fail when two files used in program differ only in casing (imports, relative module names)", () => {
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const files: Map<string> = {
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"moduleA.ts": `import {x} from "./ModuleB"`,
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"moduleB.ts": "export var x"
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};
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test(files, { module: ts.ModuleKind.CommonJS, forceConsistentCasingInFileNames: true }, "", /* useCaseSensitiveFileNames */ false, ["moduleA.ts", "moduleB.ts"], [1149]);
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});
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it("should fail when two files exist on disk that differs only in casing", () => {
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const files: Map<string> = {
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"/a/b/c.ts": `import {x} from "D"`,
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"/a/b/D.ts": "export var x",
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"/a/b/d.ts": "export var y"
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};
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test(files, { module: ts.ModuleKind.AMD }, "/a/b", /* useCaseSensitiveFileNames */ true, ["c.ts", "d.ts"], [1149]);
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});
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it("should fail when module name in 'require' calls has inconsistent casing", () => {
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const files: Map<string> = {
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"moduleA.ts": `import a = require("./ModuleC")`,
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"moduleB.ts": `import a = require("./moduleC")`,
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"moduleC.ts": "export var x"
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};
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test(files, { module: ts.ModuleKind.CommonJS, forceConsistentCasingInFileNames: true }, "", /* useCaseSensitiveFileNames */ false, ["moduleA.ts", "moduleB.ts", "moduleC.ts"], [1149, 1149]);
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})
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});
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} |