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1936 lines (1646 loc) · 85.7 KB
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//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
/// <reference path="..\services\services.ts" />
/// <reference path="..\services\shims.ts" />
/// <reference path="..\server\session.ts" />
/// <reference path="..\server\client.ts" />
/// <reference path="sourceMapRecorder.ts"/>
/// <reference path="runnerbase.ts"/>
/// <reference path="virtualFileSystem.ts" />
/// <reference types="node" />
/// <reference types="mocha" />
/// <reference types="chai" />
// Block scoped definitions work poorly for global variables, temporarily enable var
/* tslint:disable:no-var-keyword */
// this will work in the browser via browserify
var _chai: typeof chai = require("chai");
var assert: typeof _chai.assert = _chai.assert;
declare var __dirname: string; // Node-specific
var global: NodeJS.Global = <any>Function("return this").call(undefined);
declare namespace NodeJS {
export interface Global {
WScript: typeof WScript;
ActiveXObject: typeof ActiveXObject;
}
}
/* tslint:enable:no-var-keyword */
namespace Utils {
// Setup some globals based on the current environment
export const enum ExecutionEnvironment {
Node,
Browser,
CScript
}
export function getExecutionEnvironment() {
if (typeof WScript !== "undefined" && typeof ActiveXObject === "function") {
return ExecutionEnvironment.CScript;
}
else if (typeof window !== "undefined") {
return ExecutionEnvironment.Browser;
}
else {
return ExecutionEnvironment.Node;
}
}
export let currentExecutionEnvironment = getExecutionEnvironment();
const Buffer: typeof global.Buffer = currentExecutionEnvironment !== ExecutionEnvironment.Browser
? require("buffer").Buffer
: undefined;
export function encodeString(s: string): string {
return Buffer ? (new Buffer(s)).toString("utf8") : s;
}
export function byteLength(s: string, encoding?: string): number {
// stub implementation if Buffer is not available (in-browser case)
return Buffer ? Buffer.byteLength(s, encoding) : s.length;
}
export function evalFile(fileContents: string, fileName: string, nodeContext?: any) {
const environment = getExecutionEnvironment();
switch (environment) {
case ExecutionEnvironment.CScript:
case ExecutionEnvironment.Browser:
eval(fileContents);
break;
case ExecutionEnvironment.Node:
let vm = require("vm");
if (nodeContext) {
vm.runInNewContext(fileContents, nodeContext, fileName);
}
else {
vm.runInThisContext(fileContents, fileName);
}
break;
default:
throw new Error("Unknown context");
}
}
/** Splits the given string on \r\n, or on only \n if that fails, or on only \r if *that* fails. */
export function splitContentByNewlines(content: string) {
// Split up the input file by line
// Note: IE JS engine incorrectly handles consecutive delimiters here when using RegExp split, so
// we have to use string-based splitting instead and try to figure out the delimiting chars
let lines = content.split("\r\n");
if (lines.length === 1) {
lines = content.split("\n");
if (lines.length === 1) {
lines = content.split("\r");
}
}
return lines;
}
/** Reads a file under /tests */
export function readTestFile(path: string) {
if (path.indexOf("tests") < 0) {
path = "tests/" + path;
}
let content: string = undefined;
try {
content = Harness.IO.readFile(Harness.userSpecifiedRoot + path);
}
catch (err) {
return undefined;
}
return content;
}
export function memoize<T extends Function>(f: T): T {
const cache: { [idx: string]: any } = {};
return <any>(function(this: any) {
const key = Array.prototype.join.call(arguments);
const cachedResult = cache[key];
if (cachedResult) {
return cachedResult;
}
else {
return cache[key] = f.apply(this, arguments);
}
});
}
export function assertInvariants(node: ts.Node, parent: ts.Node): void {
if (node) {
assert.isFalse(node.pos < 0, "node.pos < 0");
assert.isFalse(node.end < 0, "node.end < 0");
assert.isFalse(node.end < node.pos, "node.end < node.pos");
assert.equal(node.parent, parent, "node.parent !== parent");
if (parent) {
// Make sure each child is contained within the parent.
assert.isFalse(node.pos < parent.pos, "node.pos < parent.pos");
assert.isFalse(node.end > parent.end, "node.end > parent.end");
}
ts.forEachChild(node, child => {
assertInvariants(child, node);
});
// Make sure each of the children is in order.
let currentPos = 0;
ts.forEachChild(node,
child => {
assert.isFalse(child.pos < currentPos, "child.pos < currentPos");
currentPos = child.end;
},
(array: ts.NodeArray<ts.Node>) => {
assert.isFalse(array.pos < node.pos, "array.pos < node.pos");
assert.isFalse(array.end > node.end, "array.end > node.end");
assert.isFalse(array.pos < currentPos, "array.pos < currentPos");
for (let i = 0, n = array.length; i < n; i++) {
assert.isFalse(array[i].pos < currentPos, "array[i].pos < currentPos");
currentPos = array[i].end;
}
currentPos = array.end;
});
const childNodesAndArrays: any[] = [];
ts.forEachChild(node, child => { childNodesAndArrays.push(child); }, array => { childNodesAndArrays.push(array); });
for (const childName in node) {
if (childName === "parent" || childName === "nextContainer" || childName === "modifiers" || childName === "externalModuleIndicator" ||
// for now ignore jsdoc comments
childName === "jsDocComment") {
continue;
}
const child = (<any>node)[childName];
if (isNodeOrArray(child)) {
assert.isFalse(childNodesAndArrays.indexOf(child) < 0,
"Missing child when forEach'ing over node: " + (<any>ts).SyntaxKind[node.kind] + "-" + childName);
}
}
}
}
function isNodeOrArray(a: any): boolean {
return a !== undefined && typeof a.pos === "number";
}
export function convertDiagnostics(diagnostics: ts.Diagnostic[]) {
return diagnostics.map(convertDiagnostic);
}
function convertDiagnostic(diagnostic: ts.Diagnostic) {
return {
start: diagnostic.start,
length: diagnostic.length,
messageText: ts.flattenDiagnosticMessageText(diagnostic.messageText, Harness.IO.newLine()),
category: (<any>ts).DiagnosticCategory[diagnostic.category],
code: diagnostic.code
};
}
export function sourceFileToJSON(file: ts.Node): string {
return JSON.stringify(file, (k, v) => {
return isNodeOrArray(v) ? serializeNode(v) : v;
}, " ");
function getKindName(k: number | string): string {
if (typeof k === "string") {
return k;
}
// For some markers in SyntaxKind, we should print its original syntax name instead of
// the marker name in tests.
if (k === (<any>ts).SyntaxKind.FirstJSDocNode ||
k === (<any>ts).SyntaxKind.LastJSDocNode ||
k === (<any>ts).SyntaxKind.FirstJSDocTagNode ||
k === (<any>ts).SyntaxKind.LastJSDocTagNode) {
for (const kindName in (<any>ts).SyntaxKind) {
if ((<any>ts).SyntaxKind[kindName] === k) {
return kindName;
}
}
}
return (<any>ts).SyntaxKind[k];
}
function getFlagName(flags: any, f: number): any {
if (f === 0) {
return 0;
}
let result = "";
ts.forEach(Object.getOwnPropertyNames(flags), (v: any) => {
if (isFinite(v)) {
v = +v;
if (f === +v) {
result = flags[v];
return true;
}
else if ((f & v) > 0) {
if (result.length)
result += " | ";
result += flags[v];
return false;
}
}
});
return result;
}
function getNodeFlagName(f: number) { return getFlagName((<any>ts).NodeFlags, f); }
function serializeNode(n: ts.Node): any {
const o: any = { kind: getKindName(n.kind) };
if (ts.containsParseError(n)) {
o.containsParseError = true;
}
ts.forEach(Object.getOwnPropertyNames(n), propertyName => {
switch (propertyName) {
case "parent":
case "symbol":
case "locals":
case "localSymbol":
case "kind":
case "semanticDiagnostics":
case "id":
case "nodeCount":
case "symbolCount":
case "identifierCount":
case "scriptSnapshot":
// Blacklist of items we never put in the baseline file.
break;
case "originalKeywordKind":
o[propertyName] = getKindName((<any>n)[propertyName]);
break;
case "flags":
// Clear the flags that are produced by aggregating child values. That is ephemeral
// data we don't care about in the dump. We only care what the parser set directly
// on the AST.
const flags = n.flags & ~(ts.NodeFlags.JavaScriptFile | ts.NodeFlags.HasAggregatedChildData);
if (flags) {
o[propertyName] = getNodeFlagName(flags);
}
break;
case "referenceDiagnostics":
case "parseDiagnostics":
o[propertyName] = Utils.convertDiagnostics((<any>n)[propertyName]);
break;
case "nextContainer":
if (n.nextContainer) {
o[propertyName] = { kind: n.nextContainer.kind, pos: n.nextContainer.pos, end: n.nextContainer.end };
}
break;
case "text":
// Include 'text' field for identifiers/literals, but not for source files.
if (n.kind !== ts.SyntaxKind.SourceFile) {
o[propertyName] = (<any>n)[propertyName];
}
break;
default:
o[propertyName] = (<any>n)[propertyName];
}
return undefined;
});
return o;
}
}
export function assertDiagnosticsEquals(array1: ts.Diagnostic[], array2: ts.Diagnostic[]) {
if (array1 === array2) {
return;
}
assert(array1, "array1");
assert(array2, "array2");
assert.equal(array1.length, array2.length, "array1.length !== array2.length");
for (let i = 0, n = array1.length; i < n; i++) {
const d1 = array1[i];
const d2 = array2[i];
assert.equal(d1.start, d2.start, "d1.start !== d2.start");
assert.equal(d1.length, d2.length, "d1.length !== d2.length");
assert.equal(
ts.flattenDiagnosticMessageText(d1.messageText, Harness.IO.newLine()),
ts.flattenDiagnosticMessageText(d2.messageText, Harness.IO.newLine()), "d1.messageText !== d2.messageText");
assert.equal(d1.category, d2.category, "d1.category !== d2.category");
assert.equal(d1.code, d2.code, "d1.code !== d2.code");
}
}
export function assertStructuralEquals(node1: ts.Node, node2: ts.Node) {
if (node1 === node2) {
return;
}
assert(node1, "node1");
assert(node2, "node2");
assert.equal(node1.pos, node2.pos, "node1.pos !== node2.pos");
assert.equal(node1.end, node2.end, "node1.end !== node2.end");
assert.equal(node1.kind, node2.kind, "node1.kind !== node2.kind");
// call this on both nodes to ensure all propagated flags have been set (and thus can be
// compared).
assert.equal(ts.containsParseError(node1), ts.containsParseError(node2));
assert.equal(node1.flags & ~ts.NodeFlags.ReachabilityAndEmitFlags, node2.flags & ~ts.NodeFlags.ReachabilityAndEmitFlags, "node1.flags !== node2.flags");
ts.forEachChild(node1,
child1 => {
const childName = findChildName(node1, child1);
const child2: ts.Node = (<any>node2)[childName];
assertStructuralEquals(child1, child2);
},
(array1: ts.NodeArray<ts.Node>) => {
const childName = findChildName(node1, array1);
const array2: ts.NodeArray<ts.Node> = (<any>node2)[childName];
assertArrayStructuralEquals(array1, array2);
});
}
function assertArrayStructuralEquals(array1: ts.NodeArray<ts.Node>, array2: ts.NodeArray<ts.Node>) {
if (array1 === array2) {
return;
}
assert(array1, "array1");
assert(array2, "array2");
assert.equal(array1.pos, array2.pos, "array1.pos !== array2.pos");
assert.equal(array1.end, array2.end, "array1.end !== array2.end");
assert.equal(array1.length, array2.length, "array1.length !== array2.length");
for (let i = 0, n = array1.length; i < n; i++) {
assertStructuralEquals(array1[i], array2[i]);
}
}
function findChildName(parent: any, child: any) {
for (const name in parent) {
if (parent.hasOwnProperty(name) && parent[name] === child) {
return name;
}
}
throw new Error("Could not find child in parent");
}
}
namespace Harness.Path {
export function getFileName(fullPath: string) {
return fullPath.replace(/^.*[\\\/]/, "");
}
export function filePath(fullPath: string) {
fullPath = ts.normalizeSlashes(fullPath);
const components = fullPath.split("/");
const path: string[] = components.slice(0, components.length - 1);
return path.join("/") + "/";
}
}
namespace Harness {
export interface IO {
newLine(): string;
getCurrentDirectory(): string;
useCaseSensitiveFileNames(): boolean;
resolvePath(path: string): string;
readFile(path: string): string;
writeFile(path: string, contents: string): void;
directoryName(path: string): string;
getDirectories(path: string): string[];
createDirectory(path: string): void;
fileExists(fileName: string): boolean;
directoryExists(path: string): boolean;
deleteFile(fileName: string): void;
listFiles(path: string, filter: RegExp, options?: { recursive?: boolean }): string[];
log(text: string): void;
getMemoryUsage?(): number;
args(): string[];
getExecutingFilePath(): string;
exit(exitCode?: number): void;
readDirectory(path: string, extension?: string[], exclude?: string[], include?: string[]): string[];
}
export var IO: IO;
// harness always uses one kind of new line
const harnessNewLine = "\r\n";
// Root for file paths that are stored in a virtual file system
export const virtualFileSystemRoot = "/";
namespace IOImpl {
declare class Enumerator {
public atEnd(): boolean;
public moveNext(): boolean;
public item(): any;
constructor(o: any);
}
export namespace CScript {
let fso: any;
if (global.ActiveXObject) {
fso = new global.ActiveXObject("Scripting.FileSystemObject");
}
else {
fso = {};
}
export const args = () => ts.sys.args;
export const getExecutingFilePath = () => ts.sys.getExecutingFilePath();
export const exit = (exitCode: number) => ts.sys.exit(exitCode);
export const resolvePath = (path: string) => ts.sys.resolvePath(path);
export const getCurrentDirectory = () => ts.sys.getCurrentDirectory();
export const newLine = () => harnessNewLine;
export const useCaseSensitiveFileNames = () => ts.sys.useCaseSensitiveFileNames;
export const readFile: typeof IO.readFile = path => ts.sys.readFile(path);
export const writeFile: typeof IO.writeFile = (path, content) => ts.sys.writeFile(path, content);
export const directoryName: typeof IO.directoryName = fso.GetParentFolderName;
export const getDirectories: typeof IO.getDirectories = dir => ts.sys.getDirectories(dir);
export const directoryExists: typeof IO.directoryExists = fso.FolderExists;
export const fileExists: typeof IO.fileExists = fso.FileExists;
export const log: typeof IO.log = global.WScript && global.WScript.StdOut.WriteLine;
export const readDirectory: typeof IO.readDirectory = (path, extension, exclude, include) => ts.sys.readDirectory(path, extension, exclude, include);
export function createDirectory(path: string) {
if (directoryExists(path)) {
fso.CreateFolder(path);
}
}
export function deleteFile(path: string) {
if (fileExists(path)) {
fso.DeleteFile(path, true); // true: delete read-only files
}
}
export let listFiles: typeof IO.listFiles = (path, spec?, options?) => {
options = options || <{ recursive?: boolean; }>{};
function filesInFolder(folder: any, root: string): string[] {
let paths: string[] = [];
let fc: any;
if (options.recursive) {
fc = new Enumerator(folder.subfolders);
for (; !fc.atEnd(); fc.moveNext()) {
paths = paths.concat(filesInFolder(fc.item(), root + "\\" + fc.item().Name));
}
}
fc = new Enumerator(folder.files);
for (; !fc.atEnd(); fc.moveNext()) {
if (!spec || fc.item().Name.match(spec)) {
paths.push(root + "\\" + fc.item().Name);
}
}
return paths;
}
const folder: any = fso.GetFolder(path);
return filesInFolder(folder, path);
};
}
export namespace Node {
declare const require: any;
let fs: any, pathModule: any;
if (require) {
fs = require("fs");
pathModule = require("path");
}
else {
fs = pathModule = {};
}
export const resolvePath = (path: string) => ts.sys.resolvePath(path);
export const getCurrentDirectory = () => ts.sys.getCurrentDirectory();
export const newLine = () => harnessNewLine;
export const useCaseSensitiveFileNames = () => ts.sys.useCaseSensitiveFileNames;
export const args = () => ts.sys.args;
export const getExecutingFilePath = () => ts.sys.getExecutingFilePath();
export const exit = (exitCode: number) => ts.sys.exit(exitCode);
export const getDirectories: typeof IO.getDirectories = path => ts.sys.getDirectories(path);
export const readFile: typeof IO.readFile = path => ts.sys.readFile(path);
export const writeFile: typeof IO.writeFile = (path, content) => ts.sys.writeFile(path, content);
export const fileExists: typeof IO.fileExists = fs.existsSync;
export const log: typeof IO.log = s => console.log(s);
export const readDirectory: typeof IO.readDirectory = (path, extension, exclude, include) => ts.sys.readDirectory(path, extension, exclude, include);
export function createDirectory(path: string) {
if (!directoryExists(path)) {
fs.mkdirSync(path);
}
}
export function deleteFile(path: string) {
try {
fs.unlinkSync(path);
}
catch (e) {
}
}
export function directoryExists(path: string): boolean {
return fs.existsSync(path) && fs.statSync(path).isDirectory();
}
export function directoryName(path: string) {
const dirPath = pathModule.dirname(path);
// Node will just continue to repeat the root path, rather than return null
return dirPath === path ? undefined : dirPath;
}
export let listFiles: typeof IO.listFiles = (path, spec?, options?) => {
options = options || <{ recursive?: boolean; }>{};
function filesInFolder(folder: string): string[] {
let paths: string[] = [];
const files = fs.readdirSync(folder);
for (let i = 0; i < files.length; i++) {
const pathToFile = pathModule.join(folder, files[i]);
const stat = fs.statSync(pathToFile);
if (options.recursive && stat.isDirectory()) {
paths = paths.concat(filesInFolder(pathToFile));
}
else if (stat.isFile() && (!spec || files[i].match(spec))) {
paths.push(pathToFile);
}
}
return paths;
}
return filesInFolder(path);
};
export let getMemoryUsage: typeof IO.getMemoryUsage = () => {
if (global.gc) {
global.gc();
}
return process.memoryUsage().heapUsed;
};
}
export namespace Network {
const serverRoot = "http://localhost:8888/";
export const newLine = () => harnessNewLine;
export const useCaseSensitiveFileNames = () => false;
export const getCurrentDirectory = () => "";
export const args = () => <string[]>[];
export const getExecutingFilePath = () => "";
export const exit = (exitCode: number) => { };
export const getDirectories = () => <string[]>[];
export let log = (s: string) => console.log(s);
namespace Http {
function waitForXHR(xhr: XMLHttpRequest) {
while (xhr.readyState !== 4) { }
return { status: xhr.status, responseText: xhr.responseText };
}
/// Ask the server to use node's path.resolve to resolve the given path
export interface XHRResponse {
status: number;
responseText: string;
}
/// Ask the server for the contents of the file at the given URL via a simple GET request
export function getFileFromServerSync(url: string): XHRResponse {
const xhr = new XMLHttpRequest();
try {
xhr.open("GET", url, /*async*/ false);
xhr.send();
}
catch (e) {
return { status: 404, responseText: undefined };
}
return waitForXHR(xhr);
}
/// Submit a POST request to the server to do the given action (ex WRITE, DELETE) on the provided URL
export function writeToServerSync(url: string, action: string, contents?: string): XHRResponse {
const xhr = new XMLHttpRequest();
try {
const actionMsg = "?action=" + action;
xhr.open("POST", url + actionMsg, /*async*/ false);
xhr.setRequestHeader("Access-Control-Allow-Origin", "*");
xhr.send(contents);
}
catch (e) {
log(`XHR Error: ${e}`);
return { status: 500, responseText: undefined };
}
return waitForXHR(xhr);
}
}
export function createDirectory(path: string) {
// Do nothing (?)
}
export function deleteFile(path: string) {
Http.writeToServerSync(serverRoot + path, "DELETE");
}
export function directoryExists(path: string): boolean {
return false;
}
function directoryNameImpl(path: string) {
let dirPath = path;
// root of the server
if (dirPath.match(/localhost:\d+$/) || dirPath.match(/localhost:\d+\/$/)) {
dirPath = undefined;
// path + fileName
}
else if (dirPath.indexOf(".") === -1) {
dirPath = dirPath.substring(0, dirPath.lastIndexOf("/"));
// path
}
else {
// strip any trailing slash
if (dirPath.match(/.*\/$/)) {
dirPath = dirPath.substring(0, dirPath.length - 2);
}
dirPath = dirPath.substring(0, dirPath.lastIndexOf("/"));
}
return dirPath;
}
export let directoryName: typeof IO.directoryName = Utils.memoize(directoryNameImpl);
export const resolvePath = (path: string) => directoryName(path);
export function fileExists(path: string): boolean {
const response = Http.getFileFromServerSync(serverRoot + path);
return response.status === 200;
}
export function _listFilesImpl(path: string, spec?: RegExp, options?: any) {
const response = Http.getFileFromServerSync(serverRoot + path);
if (response.status === 200) {
const results = response.responseText.split(",");
if (spec) {
return results.filter(file => spec.test(file));
}
else {
return results;
}
}
else {
return [""];
}
};
export let listFiles = Utils.memoize(_listFilesImpl);
export function readFile(file: string) {
const response = Http.getFileFromServerSync(serverRoot + file);
if (response.status === 200) {
return response.responseText;
}
else {
return undefined;
}
}
export function writeFile(path: string, contents: string) {
Http.writeToServerSync(serverRoot + path, "WRITE", contents);
}
export function readDirectory(path: string, extension?: string[], exclude?: string[], include?: string[]) {
const fs = new Utils.VirtualFileSystem(path, useCaseSensitiveFileNames());
for (const file of listFiles(path)) {
fs.addFile(file);
}
return ts.matchFiles(path, extension, exclude, include, useCaseSensitiveFileNames(), getCurrentDirectory(), path => {
const entry = fs.traversePath(path);
if (entry && entry.isDirectory()) {
const directory = <Utils.VirtualDirectory>entry;
return {
files: ts.map(directory.getFiles(), f => f.name),
directories: ts.map(directory.getDirectories(), d => d.name)
};
}
return { files: [], directories: [] };
});
}
}
}
switch (Utils.getExecutionEnvironment()) {
case Utils.ExecutionEnvironment.CScript:
IO = IOImpl.CScript;
break;
case Utils.ExecutionEnvironment.Node:
IO = IOImpl.Node;
break;
case Utils.ExecutionEnvironment.Browser:
IO = IOImpl.Network;
break;
}
}
namespace Harness {
export const libFolder = "built/local/";
const tcServicesFileName = ts.combinePaths(libFolder, Utils.getExecutionEnvironment() === Utils.ExecutionEnvironment.Browser ? "typescriptServicesInBrowserTest.js" : "typescriptServices.js");
export const tcServicesFile = IO.readFile(tcServicesFileName);
export interface SourceMapEmitterCallback {
(emittedFile: string, emittedLine: number, emittedColumn: number, sourceFile: string, sourceLine: number, sourceColumn: number, sourceName: string): void;
}
// Settings
export let userSpecifiedRoot = "";
export let lightMode = false;
/** Functionality for compiling TypeScript code */
export namespace Compiler {
/** Aggregate various writes into a single array of lines. Useful for passing to the
* TypeScript compiler to fill with source code or errors.
*/
export class WriterAggregator implements ITextWriter {
public lines: string[] = [];
public currentLine = <string>undefined;
public Write(str: string) {
// out of memory usage concerns avoid using + or += if we're going to do any manipulation of this string later
this.currentLine = [(this.currentLine || ""), str].join("");
}
public WriteLine(str: string) {
// out of memory usage concerns avoid using + or += if we're going to do any manipulation of this string later
this.lines.push([(this.currentLine || ""), str].join(""));
this.currentLine = undefined;
}
public Close() {
if (this.currentLine !== undefined) { this.lines.push(this.currentLine); }
this.currentLine = undefined;
}
public reset() {
this.lines = [];
this.currentLine = undefined;
}
}
export function createSourceFileAndAssertInvariants(
fileName: string,
sourceText: string,
languageVersion: ts.ScriptTarget) {
// We'll only assert invariants outside of light mode.
const shouldAssertInvariants = !Harness.lightMode;
// Only set the parent nodes if we're asserting invariants. We don't need them otherwise.
const result = ts.createSourceFile(fileName, sourceText, languageVersion, /*setParentNodes:*/ shouldAssertInvariants);
if (shouldAssertInvariants) {
Utils.assertInvariants(result, /*parent:*/ undefined);
}
return result;
}
const carriageReturnLineFeed = "\r\n";
const lineFeed = "\n";
export const defaultLibFileName = "lib.d.ts";
export const es2015DefaultLibFileName = "lib.es2015.d.ts";
const libFileNameSourceFileMap= ts.createMap<ts.SourceFile>({
[defaultLibFileName]: createSourceFileAndAssertInvariants(defaultLibFileName, IO.readFile(libFolder + "lib.es5.d.ts"), /*languageVersion*/ ts.ScriptTarget.Latest)
});
export function getDefaultLibrarySourceFile(fileName = defaultLibFileName): ts.SourceFile {
if (!isDefaultLibraryFile(fileName)) {
return undefined;
}
if (!libFileNameSourceFileMap[fileName]) {
libFileNameSourceFileMap[fileName] = createSourceFileAndAssertInvariants(fileName, IO.readFile(libFolder + fileName), ts.ScriptTarget.Latest);
}
return libFileNameSourceFileMap[fileName];
}
export function getDefaultLibFileName(options: ts.CompilerOptions): string {
return options.target === ts.ScriptTarget.ES6 ? es2015DefaultLibFileName : defaultLibFileName;
}
// Cache these between executions so we don't have to re-parse them for every test
export const fourslashFileName = "fourslash.ts";
export let fourslashSourceFile: ts.SourceFile;
export function getCanonicalFileName(fileName: string): string {
return fileName;
}
export function createCompilerHost(
inputFiles: TestFile[],
writeFile: (fn: string, contents: string, writeByteOrderMark: boolean) => void,
scriptTarget: ts.ScriptTarget,
useCaseSensitiveFileNames: boolean,
// the currentDirectory is needed for rwcRunner to passed in specified current directory to compiler host
currentDirectory: string,
newLineKind?: ts.NewLineKind): ts.CompilerHost {
// Local get canonical file name function, that depends on passed in parameter for useCaseSensitiveFileNames
const getCanonicalFileName = ts.createGetCanonicalFileName(useCaseSensitiveFileNames);
const realPathMap: ts.FileMap<string> = ts.createFileMap<string>();
const fileMap: ts.FileMap<() => ts.SourceFile> = ts.createFileMap<() => ts.SourceFile>();
for (const file of inputFiles) {
if (file.content !== undefined) {
const fileName = ts.normalizePath(file.unitName);
const path = ts.toPath(file.unitName, currentDirectory, getCanonicalFileName);
if (file.fileOptions && file.fileOptions["symlink"]) {
const link = file.fileOptions["symlink"];
const linkPath = ts.toPath(link, currentDirectory, getCanonicalFileName);
realPathMap.set(linkPath, fileName);
fileMap.set(path, (): ts.SourceFile => { throw new Error("Symlinks should always be resolved to a realpath first"); });
}
const sourceFile = createSourceFileAndAssertInvariants(fileName, file.content, scriptTarget);
fileMap.set(path, () => sourceFile);
}
}
function getSourceFile(fileName: string, languageVersion: ts.ScriptTarget) {
fileName = ts.normalizePath(fileName);
const path = ts.toPath(fileName, currentDirectory, getCanonicalFileName);
if (fileMap.contains(path)) {
return fileMap.get(path)();
}
else if (fileName === fourslashFileName) {
const tsFn = "tests/cases/fourslash/" + fourslashFileName;
fourslashSourceFile = fourslashSourceFile || createSourceFileAndAssertInvariants(tsFn, Harness.IO.readFile(tsFn), scriptTarget);
return fourslashSourceFile;
}
else {
// Don't throw here -- the compiler might be looking for a test that actually doesn't exist as part of the TC
// Return if it is other library file, otherwise return undefined
return getDefaultLibrarySourceFile(fileName);
}
}
const newLine =
newLineKind === ts.NewLineKind.CarriageReturnLineFeed ? carriageReturnLineFeed :
newLineKind === ts.NewLineKind.LineFeed ? lineFeed :
Harness.IO.newLine();
return {
getCurrentDirectory: () => currentDirectory,
getSourceFile,
getDefaultLibFileName,
writeFile,
getCanonicalFileName,
useCaseSensitiveFileNames: () => useCaseSensitiveFileNames,
getNewLine: () => newLine,
fileExists: fileName => {
const path = ts.toPath(fileName, currentDirectory, getCanonicalFileName);
return fileMap.contains(path) || (realPathMap && realPathMap.contains(path));
},
readFile: (fileName: string): string => {
return fileMap.get(ts.toPath(fileName, currentDirectory, getCanonicalFileName))().getText();
},
realpath: realPathMap && ((f: string) => {
const path = ts.toPath(f, currentDirectory, getCanonicalFileName);
return realPathMap.contains(path) ? realPathMap.get(path) : path;
}),
directoryExists: dir => {
let path = ts.toPath(dir, currentDirectory, getCanonicalFileName);
// Strip trailing /, which may exist if the path is a drive root
if (path[path.length - 1] === "/") {
path = <ts.Path>path.substr(0, path.length - 1);
}
let exists = false;
fileMap.forEachValue(key => {
if (key.indexOf(path) === 0 && key[path.length] === "/") {
exists = true;
}
});
return exists;
},
getDirectories: d => {
const path = ts.toPath(d, currentDirectory, getCanonicalFileName);
const result: string[] = [];
fileMap.forEachValue((key, value) => {
if (key.indexOf(path) === 0 && key.lastIndexOf("/") > path.length) {
let dirName = key.substr(path.length, key.indexOf("/", path.length + 1) - path.length);
if (dirName[0] === "/") {
dirName = dirName.substr(1);
}
if (result.indexOf(dirName) < 0) {
result.push(dirName);
}
}
});
return result;
}
};
}
interface HarnessOptions {
useCaseSensitiveFileNames?: boolean;
includeBuiltFile?: string;
baselineFile?: string;
libFiles?: string;
}
// Additional options not already in ts.optionDeclarations
const harnessOptionDeclarations: ts.CommandLineOption[] = [
{ name: "allowNonTsExtensions", type: "boolean" },
{ name: "useCaseSensitiveFileNames", type: "boolean" },
{ name: "baselineFile", type: "string" },
{ name: "includeBuiltFile", type: "string" },
{ name: "fileName", type: "string" },
{ name: "libFiles", type: "string" },