Revision 04c2fbdc860d88156efbebda1d8818412c36e114 authored by Nathan Shively-Sanders on 30 August 2022, 17:17:26 UTC, committed by Nathan Shively-Sanders on 30 August 2022, 17:17:26 UTC
1 parent 488d0ee
harnessIO.ts
namespace Harness {
export interface IO {
newLine(): string;
getCurrentDirectory(): string;
useCaseSensitiveFileNames(): boolean;
resolvePath(path: string): string | undefined;
getFileSize(path: string): number;
readFile(path: string): string | undefined;
writeFile(path: string, contents: string): void;
directoryName(path: string): string | undefined;
getDirectories(path: string): string[];
createDirectory(path: string): void;
fileExists(fileName: string): boolean;
directoryExists(path: string): boolean;
deleteFile(fileName: string): void;
enumerateTestFiles(runner: RunnerBase): (string | FileBasedTest)[];
listFiles(path: string, filter?: RegExp, options?: { recursive?: boolean }): string[];
log(text: string): void;
args(): string[];
getExecutingFilePath(): string;
getWorkspaceRoot(): string;
exit(exitCode?: number): void;
readDirectory(path: string, extension?: readonly string[], exclude?: readonly string[], include?: readonly string[], depth?: number): readonly string[];
getAccessibleFileSystemEntries(dirname: string): ts.FileSystemEntries;
tryEnableSourceMapsForHost?(): void;
getEnvironmentVariable?(name: string): string;
getMemoryUsage?(): number | undefined;
joinPath(...components: string[]): string
}
export let IO: IO;
export function setHarnessIO(io: IO) {
IO = io;
}
// harness always uses one kind of new line
// But note that `parseTestData` in `fourslash.ts` uses "\n"
export const harnessNewLine = "\r\n";
// Root for file paths that are stored in a virtual file system
export const virtualFileSystemRoot = "/";
function createNodeIO(): IO {
const workspaceRoot = Utils.findUpRoot();
let fs: any, pathModule: any;
if (require) {
fs = require("fs");
pathModule = require("path");
}
else {
fs = pathModule = {};
}
function deleteFile(path: string) {
try {
fs.unlinkSync(path);
}
catch { /*ignore*/ }
}
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;
}
function joinPath(...components: string[]) {
return pathModule.join(...components);
}
function enumerateTestFiles(runner: RunnerBase) {
return runner.getTestFiles();
}
function listFiles(path: string, spec: RegExp, options: { recursive?: boolean } = {}) {
function filesInFolder(folder: string): string[] {
let paths: string[] = [];
for (const file of fs.readdirSync(folder)) {
const pathToFile = pathModule.join(folder, file);
if (!fs.existsSync(pathToFile)) continue; // ignore invalid symlinks
const stat = fs.statSync(pathToFile);
if (options.recursive && stat.isDirectory()) {
paths = paths.concat(filesInFolder(pathToFile));
}
else if (stat.isFile() && (!spec || file.match(spec))) {
paths.push(pathToFile);
}
}
return paths;
}
return filesInFolder(path);
}
function getAccessibleFileSystemEntries(dirname: string): ts.FileSystemEntries {
try {
const entries: string[] = fs.readdirSync(dirname || ".").sort(ts.sys.useCaseSensitiveFileNames ? ts.compareStringsCaseSensitive : ts.compareStringsCaseInsensitive);
const files: string[] = [];
const directories: string[] = [];
for (const entry of entries) {
if (entry === "." || entry === "..") continue;
const name = vpath.combine(dirname, entry);
try {
const stat = fs.statSync(name);
if (!stat) continue;
if (stat.isFile()) {
files.push(entry);
}
else if (stat.isDirectory()) {
directories.push(entry);
}
}
catch { /*ignore*/ }
}
return { files, directories };
}
catch (e) {
return { files: [], directories: [] };
}
}
function createDirectory(path: string) {
try {
fs.mkdirSync(path);
}
catch (e) {
if (e.code === "ENOENT") {
createDirectory(vpath.dirname(path));
createDirectory(path);
}
else if (!ts.sys.directoryExists(path)) {
throw e;
}
}
}
return {
newLine: () => harnessNewLine,
getCurrentDirectory: () => ts.sys.getCurrentDirectory(),
useCaseSensitiveFileNames: () => ts.sys.useCaseSensitiveFileNames,
resolvePath: (path: string) => ts.sys.resolvePath(path),
getFileSize: (path: string) => ts.sys.getFileSize!(path),
readFile: path => ts.sys.readFile(path),
writeFile: (path, content) => ts.sys.writeFile(path, content),
directoryName,
getDirectories: path => ts.sys.getDirectories(path),
createDirectory,
fileExists: path => ts.sys.fileExists(path),
directoryExists: path => ts.sys.directoryExists(path),
deleteFile,
listFiles,
enumerateTestFiles,
log: s => console.log(s),
args: () => ts.sys.args,
getExecutingFilePath: () => ts.sys.getExecutingFilePath(),
getWorkspaceRoot: () => workspaceRoot,
exit: exitCode => ts.sys.exit(exitCode),
readDirectory: (path, extension, exclude, include, depth) => ts.sys.readDirectory(path, extension, exclude, include, depth),
getAccessibleFileSystemEntries,
tryEnableSourceMapsForHost: () => ts.sys.tryEnableSourceMapsForHost && ts.sys.tryEnableSourceMapsForHost(),
getMemoryUsage: () => ts.sys.getMemoryUsage && ts.sys.getMemoryUsage(),
getEnvironmentVariable: name => ts.sys.getEnvironmentVariable(name),
joinPath
};
}
export function mockHash(s: string): string {
return `hash-${s}`;
}
IO = createNodeIO();
if (IO.tryEnableSourceMapsForHost && /^development$/i.test(IO.getEnvironmentVariable!("NODE_ENV"))) {
IO.tryEnableSourceMapsForHost();
}
export const libFolder = "built/local/";
const tcServicesFileName = ts.combinePaths(libFolder, "typescriptServices.js");
export const tcServicesFile = IO.readFile(tcServicesFileName) + IO.newLine() + `//# sourceURL=${IO.resolvePath(tcServicesFileName)}`;
export type SourceMapEmitterCallback = (
emittedFile: string,
emittedLine: number,
emittedColumn: number,
sourceFile: string,
sourceLine: number,
sourceColumn: number,
sourceName: string,
) => void;
// Settings
/* eslint-disable prefer-const */
export let userSpecifiedRoot = "";
export let lightMode = false;
/* eslint-enable prefer-const */
export function setLightMode(flag: boolean) {
lightMode = flag;
}
/** 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 {
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 = !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;
}
export const defaultLibFileName = "lib.d.ts";
export const es2015DefaultLibFileName = "lib.es2015.d.ts";
// Cache of lib files from "built/local"
let libFileNameSourceFileMap: ts.ESMap<string, ts.SourceFile> | undefined;
export function getDefaultLibrarySourceFile(fileName = defaultLibFileName): ts.SourceFile | undefined {
if (!isDefaultLibraryFile(fileName)) {
return undefined;
}
if (!libFileNameSourceFileMap) {
libFileNameSourceFileMap = new ts.Map(ts.getEntries({
[defaultLibFileName]: createSourceFileAndAssertInvariants(defaultLibFileName, IO.readFile(libFolder + "lib.es5.d.ts")!, /*languageVersion*/ ts.ScriptTarget.Latest)
}));
}
let sourceFile = libFileNameSourceFileMap.get(fileName);
if (!sourceFile) {
libFileNameSourceFileMap.set(fileName, sourceFile = createSourceFileAndAssertInvariants(fileName, IO.readFile(libFolder + fileName)!, ts.ScriptTarget.Latest));
}
return sourceFile;
}
export function getDefaultLibFileName(options: ts.CompilerOptions): string {
switch (ts.getEmitScriptTarget(options)) {
case ts.ScriptTarget.ESNext:
case ts.ScriptTarget.ES2017:
return "lib.es2017.d.ts";
case ts.ScriptTarget.ES2016:
return "lib.es2016.d.ts";
case ts.ScriptTarget.ES2015:
return es2015DefaultLibFileName;
default:
return 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;
}
interface HarnessOptions {
useCaseSensitiveFileNames?: boolean;
includeBuiltFile?: string;
baselineFile?: string;
libFiles?: string;
noTypesAndSymbols?: boolean;
}
// Additional options not already in ts.optionDeclarations
const harnessOptionDeclarations: ts.CommandLineOption[] = [
{ name: "allowNonTsExtensions", type: "boolean", defaultValueDescription: false },
{ name: "useCaseSensitiveFileNames", type: "boolean", defaultValueDescription: false },
{ name: "baselineFile", type: "string" },
{ name: "includeBuiltFile", type: "string" },
{ name: "fileName", type: "string" },
{ name: "libFiles", type: "string" },
{ name: "noErrorTruncation", type: "boolean", defaultValueDescription: false },
{ name: "suppressOutputPathCheck", type: "boolean", defaultValueDescription: false },
{ name: "noImplicitReferences", type: "boolean", defaultValueDescription: false },
{ name: "currentDirectory", type: "string" },
{ name: "symlink", type: "string" },
{ name: "link", type: "string" },
{ name: "noTypesAndSymbols", type: "boolean", defaultValueDescription: false },
// Emitted js baseline will print full paths for every output file
{ name: "fullEmitPaths", type: "boolean", defaultValueDescription: false },
];
let optionsIndex: ts.ESMap<string, ts.CommandLineOption>;
function getCommandLineOption(name: string): ts.CommandLineOption | undefined {
if (!optionsIndex) {
optionsIndex = new ts.Map<string, ts.CommandLineOption>();
const optionDeclarations = harnessOptionDeclarations.concat(ts.optionDeclarations);
for (const option of optionDeclarations) {
optionsIndex.set(option.name.toLowerCase(), option);
}
}
return optionsIndex.get(name.toLowerCase());
}
export function setCompilerOptionsFromHarnessSetting(settings: TestCaseParser.CompilerSettings, options: ts.CompilerOptions & HarnessOptions): void {
for (const name in settings) {
if (settings.hasOwnProperty(name)) {
const value = settings[name];
if (value === undefined) {
throw new Error(`Cannot have undefined value for compiler option '${name}'.`);
}
const option = getCommandLineOption(name);
if (option) {
const errors: ts.Diagnostic[] = [];
options[option.name] = optionValue(option, value, errors);
if (errors.length > 0) {
throw new Error(`Unknown value '${value}' for compiler option '${name}'.`);
}
}
else {
throw new Error(`Unknown compiler option '${name}'.`);
}
}
}
}
function optionValue(option: ts.CommandLineOption, value: string, errors: ts.Diagnostic[]): any {
switch (option.type) {
case "boolean":
return value.toLowerCase() === "true";
case "string":
return value;
case "number": {
const numverValue = parseInt(value, 10);
if (isNaN(numverValue)) {
throw new Error(`Value must be a number, got: ${JSON.stringify(value)}`);
}
return numverValue;
}
// If not a primitive, the possible types are specified in what is effectively a map of options.
case "list":
return ts.parseListTypeOption(option, value, errors);
default:
return ts.parseCustomTypeOption(option as ts.CommandLineOptionOfCustomType, value, errors);
}
}
export interface TestFile {
unitName: string;
content: string;
fileOptions?: any;
}
export function compileFiles(
inputFiles: TestFile[],
otherFiles: TestFile[],
harnessSettings: TestCaseParser.CompilerSettings | undefined,
compilerOptions: ts.CompilerOptions | undefined,
// Current directory is needed for rwcRunner to be able to use currentDirectory defined in json file
currentDirectory: string | undefined,
symlinks?: vfs.FileSet
): compiler.CompilationResult {
const options: ts.CompilerOptions & HarnessOptions = compilerOptions ? ts.cloneCompilerOptions(compilerOptions) : { noResolve: false };
options.target = ts.getEmitScriptTarget(options);
options.newLine = options.newLine || ts.NewLineKind.CarriageReturnLineFeed;
options.noErrorTruncation = true;
options.skipDefaultLibCheck = typeof options.skipDefaultLibCheck === "undefined" ? true : options.skipDefaultLibCheck;
if (typeof currentDirectory === "undefined") {
currentDirectory = vfs.srcFolder;
}
// Parse settings
if (harnessSettings) {
setCompilerOptionsFromHarnessSetting(harnessSettings, options);
}
if (options.rootDirs) {
options.rootDirs = ts.map(options.rootDirs, d => ts.getNormalizedAbsolutePath(d, currentDirectory));
}
const useCaseSensitiveFileNames = options.useCaseSensitiveFileNames !== undefined ? options.useCaseSensitiveFileNames : true;
const programFileNames = inputFiles.map(file => file.unitName).filter(fileName => !ts.fileExtensionIs(fileName, ts.Extension.Json));
// Files from built\local that are requested by test "@includeBuiltFiles" to be in the context.
// Treat them as library files, so include them in build, but not in baselines.
if (options.includeBuiltFile) {
programFileNames.push(vpath.combine(vfs.builtFolder, options.includeBuiltFile));
}
// Files from tests\lib that are requested by "@libFiles"
if (options.libFiles) {
for (const fileName of options.libFiles.split(",")) {
programFileNames.push(vpath.combine(vfs.testLibFolder, fileName));
}
}
const docs = inputFiles.concat(otherFiles).map(documents.TextDocument.fromTestFile);
const fs = vfs.createFromFileSystem(IO, !useCaseSensitiveFileNames, { documents: docs, cwd: currentDirectory });
if (symlinks) {
fs.apply(symlinks);
}
const host = new fakes.CompilerHost(fs, options);
const result = compiler.compileFiles(host, programFileNames, options);
result.symlinks = symlinks;
return result;
}
export interface DeclarationCompilationContext {
declInputFiles: TestFile[];
declOtherFiles: TestFile[];
harnessSettings: TestCaseParser.CompilerSettings & HarnessOptions | undefined;
options: ts.CompilerOptions;
currentDirectory: string;
}
export function prepareDeclarationCompilationContext(inputFiles: readonly TestFile[],
otherFiles: readonly TestFile[],
result: compiler.CompilationResult,
harnessSettings: TestCaseParser.CompilerSettings & HarnessOptions,
options: ts.CompilerOptions,
// Current directory is needed for rwcRunner to be able to use currentDirectory defined in json file
currentDirectory: string | undefined): DeclarationCompilationContext | undefined {
if (options.declaration && result.diagnostics.length === 0) {
if (options.emitDeclarationOnly) {
if (result.js.size > 0 || result.dts.size === 0) {
throw new Error("Only declaration files should be generated when emitDeclarationOnly:true");
}
}
else if (result.dts.size !== result.getNumberOfJsFiles(/*includeJson*/ false)) {
throw new Error("There were no errors and declFiles generated did not match number of js files generated");
}
}
const declInputFiles: TestFile[] = [];
const declOtherFiles: TestFile[] = [];
// if the .d.ts is non-empty, confirm it compiles correctly as well
if (options.declaration && result.diagnostics.length === 0 && result.dts.size > 0) {
ts.forEach(inputFiles, file => addDtsFile(file, declInputFiles));
ts.forEach(otherFiles, file => addDtsFile(file, declOtherFiles));
return { declInputFiles, declOtherFiles, harnessSettings, options, currentDirectory: currentDirectory || harnessSettings.currentDirectory };
}
function addDtsFile(file: TestFile, dtsFiles: TestFile[]) {
if (vpath.isDeclaration(file.unitName) || vpath.isJson(file.unitName)) {
dtsFiles.push(file);
}
else if (vpath.isTypeScript(file.unitName) || (vpath.isJavaScript(file.unitName) && ts.getAllowJSCompilerOption(options))) {
const declFile = findResultCodeFile(file.unitName);
if (declFile && !findUnit(declFile.file, declInputFiles) && !findUnit(declFile.file, declOtherFiles)) {
dtsFiles.push({ unitName: declFile.file, content: Utils.removeByteOrderMark(declFile.text) });
}
}
}
function findResultCodeFile(fileName: string) {
const sourceFile = result.program!.getSourceFile(fileName)!;
assert(sourceFile, "Program has no source file with name '" + fileName + "'");
// Is this file going to be emitted separately
let sourceFileName: string;
const outFile = options.outFile || options.out;
if (!outFile) {
if (options.outDir) {
let sourceFilePath = ts.getNormalizedAbsolutePath(sourceFile.fileName, result.vfs.cwd());
sourceFilePath = sourceFilePath.replace(result.program!.getCommonSourceDirectory(), "");
sourceFileName = ts.combinePaths(options.outDir, sourceFilePath);
}
else {
sourceFileName = sourceFile.fileName;
}
}
else {
// Goes to single --out file
sourceFileName = outFile;
}
const dTsFileName = ts.removeFileExtension(sourceFileName) + ts.getDeclarationEmitExtensionForPath(sourceFileName);
return result.dts.get(dTsFileName);
}
function findUnit(fileName: string, units: TestFile[]) {
return ts.forEach(units, unit => unit.unitName === fileName ? unit : undefined);
}
}
export function compileDeclarationFiles(context: DeclarationCompilationContext | undefined, symlinks: vfs.FileSet | undefined) {
if (!context) {
return;
}
const { declInputFiles, declOtherFiles, harnessSettings, options, currentDirectory } = context;
const output = compileFiles(declInputFiles, declOtherFiles, harnessSettings, options, currentDirectory, symlinks);
return { declInputFiles, declOtherFiles, declResult: output };
}
export function minimalDiagnosticsToString(diagnostics: readonly ts.Diagnostic[], pretty?: boolean) {
const host = { getCanonicalFileName, getCurrentDirectory: () => "", getNewLine: () => IO.newLine() };
return (pretty ? ts.formatDiagnosticsWithColorAndContext : ts.formatDiagnostics)(diagnostics, host);
}
export function getErrorBaseline(inputFiles: readonly TestFile[], diagnostics: readonly ts.Diagnostic[], pretty?: boolean) {
let outputLines = "";
const gen = iterateErrorBaseline(inputFiles, diagnostics, { pretty });
for (let {done, value} = gen.next(); !done; { done, value } = gen.next()) {
const [, content] = value;
outputLines += content;
}
if (pretty) {
outputLines += ts.getErrorSummaryText(ts.getErrorCountForSummary(diagnostics), ts.getFilesInErrorForSummary(diagnostics), IO.newLine(), { getCurrentDirectory: () => "" });
}
return outputLines;
}
export const diagnosticSummaryMarker = "__diagnosticSummary";
export const globalErrorsMarker = "__globalErrors";
export function *iterateErrorBaseline(inputFiles: readonly TestFile[], diagnostics: readonly ts.Diagnostic[], options?: { pretty?: boolean, caseSensitive?: boolean, currentDirectory?: string }): IterableIterator<[string, string, number]> {
diagnostics = ts.sort(diagnostics, ts.compareDiagnostics);
let outputLines = "";
// Count up all errors that were found in files other than lib.d.ts so we don't miss any
let totalErrorsReportedInNonLibraryFiles = 0;
let errorsReported = 0;
let firstLine = true;
function newLine() {
if (firstLine) {
firstLine = false;
return "";
}
return "\r\n";
}
const formatDiagnsoticHost = {
getCurrentDirectory: () => options && options.currentDirectory ? options.currentDirectory : "",
getNewLine: () => IO.newLine(),
getCanonicalFileName: ts.createGetCanonicalFileName(options && options.caseSensitive !== undefined ? options.caseSensitive : true),
};
function outputErrorText(error: ts.Diagnostic) {
const message = ts.flattenDiagnosticMessageText(error.messageText, IO.newLine());
const errLines = Utils.removeTestPathPrefixes(message)
.split("\n")
.map(s => s.length > 0 && s.charAt(s.length - 1) === "\r" ? s.substr(0, s.length - 1) : s)
.filter(s => s.length > 0)
.map(s => "!!! " + ts.diagnosticCategoryName(error) + " TS" + error.code + ": " + s);
if (error.relatedInformation) {
for (const info of error.relatedInformation) {
errLines.push(`!!! related TS${info.code}${info.file ? " " + ts.formatLocation(info.file, info.start!, formatDiagnsoticHost, ts.identity) : ""}: ${ts.flattenDiagnosticMessageText(info.messageText, IO.newLine())}`);
}
}
errLines.forEach(e => outputLines += (newLine() + e));
errorsReported++;
// do not count errors from lib.d.ts here, they are computed separately as numLibraryDiagnostics
// if lib.d.ts is explicitly included in input files and there are some errors in it (i.e. because of duplicate identifiers)
// then they will be added twice thus triggering 'total errors' assertion with condition
// 'totalErrorsReportedInNonLibraryFiles + numLibraryDiagnostics + numTest262HarnessDiagnostics, diagnostics.length
if (!error.file || !isDefaultLibraryFile(error.file.fileName)) {
totalErrorsReportedInNonLibraryFiles++;
}
}
yield [diagnosticSummaryMarker, Utils.removeTestPathPrefixes(minimalDiagnosticsToString(diagnostics, options && options.pretty)) + IO.newLine() + IO.newLine(), diagnostics.length];
// Report global errors
const globalErrors = diagnostics.filter(err => !err.file);
globalErrors.forEach(outputErrorText);
yield [globalErrorsMarker, outputLines, errorsReported];
outputLines = "";
errorsReported = 0;
// 'merge' the lines of each input file with any errors associated with it
const dupeCase = new ts.Map<string, number>();
for (const inputFile of inputFiles.filter(f => f.content !== undefined)) {
// Filter down to the errors in the file
const fileErrors = diagnostics.filter((e): e is ts.DiagnosticWithLocation => {
const errFn = e.file;
return !!errFn && ts.comparePaths(Utils.removeTestPathPrefixes(errFn.fileName), Utils.removeTestPathPrefixes(inputFile.unitName), options && options.currentDirectory || "", !(options && options.caseSensitive)) === ts.Comparison.EqualTo;
});
// Header
outputLines += (newLine() + "==== " + inputFile.unitName + " (" + fileErrors.length + " errors) ====");
// Make sure we emit something for every error
let markedErrorCount = 0;
// For each line, emit the line followed by any error squiggles matching this line
// Note: IE JS engine incorrectly handles consecutive delimiters here when using RegExp split, so
// we have to string-based splitting instead and try to figure out the delimiting chars
const lineStarts = ts.computeLineStarts(inputFile.content);
let lines = inputFile.content.split("\n");
if (lines.length === 1) {
lines = lines[0].split("\r");
}
lines.forEach((line, lineIndex) => {
if (line.length > 0 && line.charAt(line.length - 1) === "\r") {
line = line.substr(0, line.length - 1);
}
const thisLineStart = lineStarts[lineIndex];
let nextLineStart: number;
// On the last line of the file, fake the next line start number so that we handle errors on the last character of the file correctly
if (lineIndex === lines.length - 1) {
nextLineStart = inputFile.content.length;
}
else {
nextLineStart = lineStarts[lineIndex + 1];
}
// Emit this line from the original file
outputLines += (newLine() + " " + line);
fileErrors.forEach(errDiagnostic => {
const err = errDiagnostic as ts.TextSpan; // TODO: GH#18217
// Does any error start or continue on to this line? Emit squiggles
const end = ts.textSpanEnd(err);
if ((end >= thisLineStart) && ((err.start < nextLineStart) || (lineIndex === lines.length - 1))) {
// How many characters from the start of this line the error starts at (could be positive or negative)
const relativeOffset = err.start - thisLineStart;
// How many characters of the error are on this line (might be longer than this line in reality)
const length = (end - err.start) - Math.max(0, thisLineStart - err.start);
// Calculate the start of the squiggle
const squiggleStart = Math.max(0, relativeOffset);
// TODO/REVIEW: this doesn't work quite right in the browser if a multi file test has files whose names are just the right length relative to one another
outputLines += (newLine() + " " + line.substr(0, squiggleStart).replace(/[^\s]/g, " ") + new Array(Math.min(length, line.length - squiggleStart) + 1).join("~"));
// If the error ended here, or we're at the end of the file, emit its message
if ((lineIndex === lines.length - 1) || nextLineStart > end) {
// Just like above, we need to do a split on a string instead of on a regex
// because the JS engine does regexes wrong
outputErrorText(errDiagnostic);
markedErrorCount++;
}
}
});
});
// Verify we didn't miss any errors in this file
assert.equal(markedErrorCount, fileErrors.length, "count of errors in " + inputFile.unitName);
const isDupe = dupeCase.has(sanitizeTestFilePath(inputFile.unitName));
yield [checkDuplicatedFileName(inputFile.unitName, dupeCase), outputLines, errorsReported];
if (isDupe && !(options && options.caseSensitive)) {
// Case-duplicated files on a case-insensitive build will have errors reported in both the dupe and the original
// thanks to the canse-insensitive path comparison on the error file path - We only want to count those errors once
// for the assert below, so we subtract them here.
totalErrorsReportedInNonLibraryFiles -= errorsReported;
}
outputLines = "";
errorsReported = 0;
}
const numLibraryDiagnostics = ts.countWhere(diagnostics, diagnostic => {
return !!diagnostic.file && (isDefaultLibraryFile(diagnostic.file.fileName) || isBuiltFile(diagnostic.file.fileName));
});
const numTest262HarnessDiagnostics = ts.countWhere(diagnostics, diagnostic => {
// Count an error generated from tests262-harness folder.This should only apply for test262
return !!diagnostic.file && diagnostic.file.fileName.indexOf("test262-harness") >= 0;
});
// Verify we didn't miss any errors in total
assert.equal(totalErrorsReportedInNonLibraryFiles + numLibraryDiagnostics + numTest262HarnessDiagnostics, diagnostics.length, "total number of errors");
}
export function doErrorBaseline(baselinePath: string, inputFiles: readonly TestFile[], errors: readonly ts.Diagnostic[], pretty?: boolean) {
Baseline.runBaseline(baselinePath.replace(/\.tsx?$/, ".errors.txt"),
!errors || (errors.length === 0) ? null : getErrorBaseline(inputFiles, errors, pretty)); // eslint-disable-line no-null/no-null
}
export function doTypeAndSymbolBaseline(baselinePath: string, program: ts.Program, allFiles: {unitName: string, content: string}[], opts?: Baseline.BaselineOptions, multifile?: boolean, skipTypeBaselines?: boolean, skipSymbolBaselines?: boolean, hasErrorBaseline?: boolean) {
// The full walker simulates the types that you would get from doing a full
// compile. The pull walker simulates the types you get when you just do
// a type query for a random node (like how the LS would do it). Most of the
// time, these will be the same. However, occasionally, they can be different.
// Specifically, when the compiler internally depends on symbol IDs to order
// things, then we may see different results because symbols can be created in a
// different order with 'pull' operations, and thus can produce slightly differing
// output.
//
// For example, with a full type check, we may see a type displayed as: number | string
// But with a pull type check, we may see it as: string | number
//
// These types are equivalent, but depend on what order the compiler observed
// certain parts of the program.
const fullWalker = new TypeWriterWalker(program, !!hasErrorBaseline);
// Produce baselines. The first gives the types for all expressions.
// The second gives symbols for all identifiers.
let typesError: Error | undefined, symbolsError: Error | undefined;
try {
checkBaseLines(/*isSymbolBaseLine*/ false);
}
catch (e) {
typesError = e;
}
try {
checkBaseLines(/*isSymbolBaseLine*/ true);
}
catch (e) {
symbolsError = e;
}
if (typesError && symbolsError) {
throw new Error(typesError.stack + IO.newLine() + symbolsError.stack);
}
if (typesError) {
throw typesError;
}
if (symbolsError) {
throw symbolsError;
}
return;
function checkBaseLines(isSymbolBaseLine: boolean) {
const fullExtension = isSymbolBaseLine ? ".symbols" : ".types";
// When calling this function from rwc-runner, the baselinePath will have no extension.
// As rwc test- file is stored in json which ".json" will get stripped off.
// When calling this function from compiler-runner, the baselinePath will then has either ".ts" or ".tsx" extension
const outputFileName = ts.endsWith(baselinePath, ts.Extension.Ts) || ts.endsWith(baselinePath, ts.Extension.Tsx) ?
baselinePath.replace(/\.tsx?/, "") : baselinePath;
if (!multifile) {
const fullBaseLine = generateBaseLine(isSymbolBaseLine, isSymbolBaseLine ? skipSymbolBaselines : skipTypeBaselines);
Baseline.runBaseline(outputFileName + fullExtension, fullBaseLine, opts);
}
else {
Baseline.runMultifileBaseline(outputFileName, fullExtension, () => {
return iterateBaseLine(isSymbolBaseLine, isSymbolBaseLine ? skipSymbolBaselines : skipTypeBaselines);
}, opts);
}
}
function generateBaseLine(isSymbolBaseline: boolean, skipBaseline?: boolean): string | null {
let result = "";
const gen = iterateBaseLine(isSymbolBaseline, skipBaseline);
for (let {done, value} = gen.next(); !done; { done, value } = gen.next()) {
const [, content] = value;
result += content;
}
return result || null; // eslint-disable-line no-null/no-null
}
function *iterateBaseLine(isSymbolBaseline: boolean, skipBaseline?: boolean): IterableIterator<[string, string]> {
if (skipBaseline) {
return;
}
const dupeCase = new ts.Map<string, number>();
for (const file of allFiles) {
const { unitName } = file;
let typeLines = "=== " + unitName + " ===\r\n";
const codeLines = ts.flatMap(file.content.split(/\r?\n/g), e => e.split(/[\r\u2028\u2029]/g));
const gen: IterableIterator<TypeWriterResult> = isSymbolBaseline ? fullWalker.getSymbols(unitName) : fullWalker.getTypes(unitName);
let lastIndexWritten: number | undefined;
for (let {done, value: result} = gen.next(); !done; { done, value: result } = gen.next()) {
if (isSymbolBaseline && !result.symbol) {
return;
}
if (lastIndexWritten === undefined) {
typeLines += codeLines.slice(0, result.line + 1).join("\r\n") + "\r\n";
}
else if (result.line !== lastIndexWritten) {
if (!((lastIndexWritten + 1 < codeLines.length) && (codeLines[lastIndexWritten + 1].match(/^\s*[{|}]\s*$/) || codeLines[lastIndexWritten + 1].trim() === ""))) {
typeLines += "\r\n";
}
typeLines += codeLines.slice(lastIndexWritten + 1, result.line + 1).join("\r\n") + "\r\n";
}
lastIndexWritten = result.line;
const typeOrSymbolString = isSymbolBaseline ? result.symbol : result.type;
const formattedLine = result.sourceText.replace(/\r?\n/g, "") + " : " + typeOrSymbolString;
typeLines += ">" + formattedLine + "\r\n";
}
// Preserve legacy behavior
if (lastIndexWritten === undefined) {
for (const codeLine of codeLines) {
typeLines += codeLine + "\r\nNo type information for this code.";
}
}
else {
if (lastIndexWritten + 1 < codeLines.length) {
if (!((lastIndexWritten + 1 < codeLines.length) && (codeLines[lastIndexWritten + 1].match(/^\s*[{|}]\s*$/) || codeLines[lastIndexWritten + 1].trim() === ""))) {
typeLines += "\r\n";
}
typeLines += codeLines.slice(lastIndexWritten + 1).join("\r\n");
}
typeLines += "\r\n";
}
yield [checkDuplicatedFileName(unitName, dupeCase), Utils.removeTestPathPrefixes(typeLines)];
}
}
}
export function doSourcemapBaseline(baselinePath: string, options: ts.CompilerOptions, result: compiler.CompilationResult, harnessSettings: TestCaseParser.CompilerSettings) {
const declMaps = ts.getAreDeclarationMapsEnabled(options);
if (options.inlineSourceMap) {
if (result.maps.size > 0 && !declMaps) {
throw new Error("No sourcemap files should be generated if inlineSourceMaps was set.");
}
return;
}
else if (options.sourceMap || declMaps) {
if (result.maps.size !== ((options.sourceMap ? result.getNumberOfJsFiles(/*includeJson*/ false) : 0) + (declMaps ? result.getNumberOfJsFiles(/*includeJson*/ true) : 0))) {
throw new Error("Number of sourcemap files should be same as js files.");
}
let sourceMapCode: string | null;
if ((options.noEmitOnError && result.diagnostics.length !== 0) || result.maps.size === 0) {
// We need to return null here or the runBaseLine will actually create a empty file.
// Baselining isn't required here because there is no output.
sourceMapCode = null; // eslint-disable-line no-null/no-null
}
else {
sourceMapCode = "";
result.maps.forEach(sourceMap => {
if (sourceMapCode) sourceMapCode += "\r\n";
sourceMapCode += fileOutput(sourceMap, harnessSettings);
if (!options.inlineSourceMap) {
sourceMapCode += createSourceMapPreviewLink(sourceMap.text, result);
}
});
}
Baseline.runBaseline(baselinePath.replace(/\.tsx?/, ".js.map"), sourceMapCode);
}
}
function createSourceMapPreviewLink(sourcemap: string, result: compiler.CompilationResult) {
const sourcemapJSON = JSON.parse(sourcemap);
const outputJSFile = result.outputs.find(td => td.file.endsWith(sourcemapJSON.file));
if (!outputJSFile) return "";
const sourceTDs = ts.map(sourcemapJSON.sources, (s: string) => result.inputs.find(td => td.file.endsWith(s)));
const anyUnfoundSources = ts.contains(sourceTDs, /*value*/ undefined);
if (anyUnfoundSources) return "";
const hash = "#base64," + ts.map([outputJSFile.text, sourcemap].concat(sourceTDs.map(td => td!.text)), (s) => ts.convertToBase64(decodeURIComponent(encodeURIComponent(s)))).join(",");
return "\n//// https://sokra.github.io/source-map-visualization" + hash + "\n";
}
export function doJsEmitBaseline(baselinePath: string, header: string, options: ts.CompilerOptions, result: compiler.CompilationResult, tsConfigFiles: readonly TestFile[], toBeCompiled: readonly TestFile[], otherFiles: readonly TestFile[], harnessSettings: TestCaseParser.CompilerSettings) {
if (!options.noEmit && !options.emitDeclarationOnly && result.js.size === 0 && result.diagnostics.length === 0) {
throw new Error("Expected at least one js file to be emitted or at least one error to be created.");
}
// check js output
let tsCode = "";
const tsSources = otherFiles.concat(toBeCompiled);
if (tsSources.length > 1) {
tsCode += "//// [" + header + "] ////\r\n\r\n";
}
for (let i = 0; i < tsSources.length; i++) {
tsCode += "//// [" + ts.getBaseFileName(tsSources[i].unitName) + "]\r\n";
tsCode += tsSources[i].content + (i < (tsSources.length - 1) ? "\r\n" : "");
}
let jsCode = "";
result.js.forEach(file => {
if (jsCode.length && jsCode.charCodeAt(jsCode.length - 1) !== ts.CharacterCodes.lineFeed) {
jsCode += "\r\n";
}
if (!result.diagnostics.length && !ts.endsWith(file.file, ts.Extension.Json)) {
const fileParseResult = ts.createSourceFile(file.file, file.text, ts.getEmitScriptTarget(options), /*parentNodes*/ false, ts.endsWith(file.file, "x") ? ts.ScriptKind.JSX : ts.ScriptKind.JS);
if (ts.length(fileParseResult.parseDiagnostics)) {
jsCode += getErrorBaseline([file.asTestFile()], fileParseResult.parseDiagnostics);
return;
}
}
jsCode += fileOutput(file, harnessSettings);
});
if (result.dts.size > 0) {
jsCode += "\r\n\r\n";
result.dts.forEach(declFile => {
jsCode += fileOutput(declFile, harnessSettings);
});
}
const declFileContext = prepareDeclarationCompilationContext(
toBeCompiled, otherFiles, result, harnessSettings, options, /*currentDirectory*/ undefined
);
const declFileCompilationResult = compileDeclarationFiles(declFileContext, result.symlinks);
if (declFileCompilationResult && declFileCompilationResult.declResult.diagnostics.length) {
jsCode += "\r\n\r\n//// [DtsFileErrors]\r\n";
jsCode += "\r\n\r\n";
jsCode += getErrorBaseline(tsConfigFiles.concat(declFileCompilationResult.declInputFiles, declFileCompilationResult.declOtherFiles), declFileCompilationResult.declResult.diagnostics);
}
// eslint-disable-next-line no-null/no-null
Baseline.runBaseline(baselinePath.replace(/\.tsx?/, ts.Extension.Js), jsCode.length > 0 ? tsCode + "\r\n\r\n" + jsCode : null);
}
function fileOutput(file: documents.TextDocument, harnessSettings: TestCaseParser.CompilerSettings): string {
const fileName = harnessSettings.fullEmitPaths ? Utils.removeTestPathPrefixes(file.file) : ts.getBaseFileName(file.file);
return "//// [" + fileName + "]\r\n" + Utils.removeTestPathPrefixes(file.text);
}
export function collateOutputs(outputFiles: readonly documents.TextDocument[]): string {
const gen = iterateOutputs(outputFiles);
// Emit them
let result = "";
for (let {done, value} = gen.next(); !done; { done, value } = gen.next()) {
// Some extra spacing if this isn't the first file
if (result.length) {
result += "\r\n\r\n";
}
// FileName header + content
const [, content] = value;
result += content;
}
return result;
}
export function* iterateOutputs(outputFiles: Iterable<documents.TextDocument>): IterableIterator<[string, string]> {
// Collect, test, and sort the fileNames
const files = Array.from(outputFiles);
files.slice().sort((a, b) => ts.compareStringsCaseSensitive(cleanName(a.file), cleanName(b.file)));
const dupeCase = new ts.Map<string, number>();
// Yield them
for (const outputFile of files) {
yield [checkDuplicatedFileName(outputFile.file, dupeCase), "/*====== " + outputFile.file + " ======*/\r\n" + Utils.removeByteOrderMark(outputFile.text)];
}
function cleanName(fn: string) {
const lastSlash = ts.normalizeSlashes(fn).lastIndexOf("/");
return fn.substr(lastSlash + 1).toLowerCase();
}
}
function checkDuplicatedFileName(resultName: string, dupeCase: ts.ESMap<string, number>): string {
resultName = sanitizeTestFilePath(resultName);
if (dupeCase.has(resultName)) {
// A different baseline filename should be manufactured if the names differ only in case, for windows compat
const count = 1 + dupeCase.get(resultName)!;
dupeCase.set(resultName, count);
resultName = `${resultName}.dupe${count}`;
}
else {
dupeCase.set(resultName, 0);
}
return resultName;
}
export function sanitizeTestFilePath(name: string) {
const path = ts.toPath(ts.normalizeSlashes(name.replace(/[\^<>:"|?*%]/g, "_")).replace(/\.\.\//g, "__dotdot/"), "", Utils.canonicalizeForHarness);
if (ts.startsWith(path, "/")) {
return path.substring(1);
}
return path;
}
}
export interface FileBasedTest {
file: string;
configurations?: FileBasedTestConfiguration[];
}
export interface FileBasedTestConfiguration {
[key: string]: string;
}
function splitVaryBySettingValue(text: string, varyBy: string): string[] | undefined {
if (!text) return undefined;
let star = false;
const includes: string[] = [];
const excludes: string[] = [];
for (let s of text.split(/,/g)) {
s = s.trim().toLowerCase();
if (s.length === 0) continue;
if (s === "*") {
star = true;
}
else if (ts.startsWith(s, "-") || ts.startsWith(s, "!")) {
excludes.push(s.slice(1));
}
else {
includes.push(s);
}
}
// do nothing if the setting has no variations
if (includes.length <= 1 && !star && excludes.length === 0) {
return undefined;
}
const variations: { key: string, value?: string | number }[] = [];
const values = getVaryByStarSettingValues(varyBy);
// add (and deduplicate) all included entries
for (const include of includes) {
const value = values?.get(include);
if (ts.findIndex(variations, v => v.key === include || value !== undefined && v.value === value) === -1) {
variations.push({ key: include, value });
}
}
if (star && values) {
// add all entries
for (const [key, value] of ts.arrayFrom(values.entries())) {
if (ts.findIndex(variations, v => v.key === key || v.value === value) === -1) {
variations.push({ key, value });
}
}
}
// remove all excluded entries
for (const exclude of excludes) {
const value = values?.get(exclude);
let index: number;
while ((index = ts.findIndex(variations, v => v.key === exclude || value !== undefined && v.value === value)) >= 0) {
ts.orderedRemoveItemAt(variations, index);
}
}
if (variations.length === 0) {
throw new Error(`Variations in test option '@${varyBy}' resulted in an empty set.`);
}
return ts.map(variations, v => v.key);
}
function computeFileBasedTestConfigurationVariations(configurations: FileBasedTestConfiguration[], variationState: FileBasedTestConfiguration, varyByEntries: [string, string[]][], offset: number) {
if (offset >= varyByEntries.length) {
// make a copy of the current variation state
configurations.push({ ...variationState });
return;
}
const [varyBy, entries] = varyByEntries[offset];
for (const entry of entries) {
// set or overwrite the variation, then compute the next variation
variationState[varyBy] = entry;
computeFileBasedTestConfigurationVariations(configurations, variationState, varyByEntries, offset + 1);
}
}
let booleanVaryByStarSettingValues: ts.ESMap<string, string | number> | undefined;
function getVaryByStarSettingValues(varyBy: string): ts.ReadonlyESMap<string, string | number> | undefined {
const option = ts.forEach(ts.optionDeclarations, decl => ts.equateStringsCaseInsensitive(decl.name, varyBy) ? decl : undefined);
if (option) {
if (typeof option.type === "object") {
return option.type;
}
if (option.type === "boolean") {
return booleanVaryByStarSettingValues || (booleanVaryByStarSettingValues = new ts.Map(ts.getEntries({
true: 1,
false: 0
})));
}
}
}
/**
* Compute FileBasedTestConfiguration variations based on a supplied list of variable settings.
*/
export function getFileBasedTestConfigurations(settings: TestCaseParser.CompilerSettings, varyBy: readonly string[]): FileBasedTestConfiguration[] | undefined {
let varyByEntries: [string, string[]][] | undefined;
let variationCount = 1;
for (const varyByKey of varyBy) {
if (ts.hasProperty(settings, varyByKey)) {
// we only consider variations when there are 2 or more variable entries.
const entries = splitVaryBySettingValue(settings[varyByKey], varyByKey);
if (entries) {
if (!varyByEntries) varyByEntries = [];
variationCount *= entries.length;
if (variationCount > 25) throw new Error(`Provided test options exceeded the maximum number of variations: ${varyBy.map(v => `'@${v}'`).join(", ")}`);
varyByEntries.push([varyByKey, entries]);
}
}
}
if (!varyByEntries) return undefined;
const configurations: FileBasedTestConfiguration[] = [];
computeFileBasedTestConfigurationVariations(configurations, /*variationState*/ {}, varyByEntries, /*offset*/ 0);
return configurations;
}
/**
* Compute a description for this configuration based on its entries
*/
export function getFileBasedTestConfigurationDescription(configuration: FileBasedTestConfiguration) {
let name = "";
if (configuration) {
const keys = Object.keys(configuration).sort();
for (const key of keys) {
if (name) name += ", ";
name += `@${key}: ${configuration[key]}`;
}
}
return name;
}
export namespace TestCaseParser {
/** all the necessary information to set the right compiler settings */
export interface CompilerSettings {
[name: string]: string;
}
/** All the necessary information to turn a multi file test into useful units for later compilation */
export interface TestUnitData {
content: string;
name: string;
fileOptions: any;
originalFilePath: string;
references: string[];
}
// Regex for parsing options in the format "@Alpha: Value of any sort"
const optionRegex = /^[\/]{2}\s*@(\w+)\s*:\s*([^\r\n]*)/gm; // multiple matches on multiple lines
const linkRegex = /^[\/]{2}\s*@link\s*:\s*([^\r\n]*)\s*->\s*([^\r\n]*)/gm; // multiple matches on multiple lines
export function parseSymlinkFromTest(line: string, symlinks: vfs.FileSet | undefined) {
const linkMetaData = linkRegex.exec(line);
linkRegex.lastIndex = 0;
if (!linkMetaData) return undefined;
if (!symlinks) symlinks = {};
symlinks[linkMetaData[2].trim()] = new vfs.Symlink(linkMetaData[1].trim());
return symlinks;
}
export function extractCompilerSettings(content: string): CompilerSettings {
const opts: CompilerSettings = {};
let match: RegExpExecArray | null;
while ((match = optionRegex.exec(content)) !== null) { // eslint-disable-line no-null/no-null
opts[match[1]] = match[2].trim();
}
return opts;
}
export interface TestCaseContent {
settings: CompilerSettings;
testUnitData: TestUnitData[];
tsConfig: ts.ParsedCommandLine | undefined;
tsConfigFileUnitData: TestUnitData | undefined;
symlinks?: vfs.FileSet;
}
/** Given a test file containing // @FileName directives, return an array of named units of code to be added to an existing compiler instance */
export function makeUnitsFromTest(code: string, fileName: string, rootDir?: string, settings = extractCompilerSettings(code)): TestCaseContent {
// List of all the subfiles we've parsed out
const testUnitData: TestUnitData[] = [];
const lines = Utils.splitContentByNewlines(code);
// Stuff related to the subfile we're parsing
let currentFileContent: string | undefined;
let currentFileOptions: any = {};
let currentFileName: any;
let refs: string[] = [];
let symlinks: vfs.FileSet | undefined;
for (const line of lines) {
let testMetaData: RegExpExecArray | null;
const possiblySymlinks = parseSymlinkFromTest(line, symlinks);
if (possiblySymlinks) {
symlinks = possiblySymlinks;
}
else if (testMetaData = optionRegex.exec(line)) {
// Comment line, check for global/file @options and record them
optionRegex.lastIndex = 0;
const metaDataName = testMetaData[1].toLowerCase();
currentFileOptions[testMetaData[1]] = testMetaData[2].trim();
if (metaDataName !== "filename") {
continue;
}
// New metadata statement after having collected some code to go with the previous metadata
if (currentFileName) {
// Store result file
const newTestFile = {
content: currentFileContent!, // TODO: GH#18217
name: currentFileName,
fileOptions: currentFileOptions,
originalFilePath: fileName,
references: refs
};
testUnitData.push(newTestFile);
// Reset local data
currentFileContent = undefined;
currentFileOptions = {};
currentFileName = testMetaData[2].trim();
refs = [];
}
else {
// First metadata marker in the file
currentFileName = testMetaData[2].trim();
}
}
else {
// Subfile content line
// Append to the current subfile content, inserting a newline needed
if (currentFileContent === undefined) {
currentFileContent = "";
}
else if (currentFileContent !== "") {
// End-of-line
currentFileContent = currentFileContent + "\n";
}
currentFileContent = currentFileContent + line;
}
}
// normalize the fileName for the single file case
currentFileName = testUnitData.length > 0 || currentFileName ? currentFileName : ts.getBaseFileName(fileName);
// EOF, push whatever remains
const newTestFile2 = {
content: currentFileContent || "",
name: currentFileName,
fileOptions: currentFileOptions,
originalFilePath: fileName,
references: refs
};
testUnitData.push(newTestFile2);
// unit tests always list files explicitly
const parseConfigHost: ts.ParseConfigHost = {
useCaseSensitiveFileNames: false,
readDirectory: () => [],
fileExists: () => true,
readFile: (name) => ts.forEach(testUnitData, data => data.name.toLowerCase() === name.toLowerCase() ? data.content : undefined)
};
// check if project has tsconfig.json in the list of files
let tsConfig: ts.ParsedCommandLine | undefined;
let tsConfigFileUnitData: TestUnitData | undefined;
for (let i = 0; i < testUnitData.length; i++) {
const data = testUnitData[i];
if (getConfigNameFromFileName(data.name)) {
const configJson = ts.parseJsonText(data.name, data.content);
assert.isTrue(configJson.endOfFileToken !== undefined);
let baseDir = ts.normalizePath(ts.getDirectoryPath(data.name));
if (rootDir) {
baseDir = ts.getNormalizedAbsolutePath(baseDir, rootDir);
}
tsConfig = ts.parseJsonSourceFileConfigFileContent(configJson, parseConfigHost, baseDir);
tsConfig.options.configFilePath = data.name;
tsConfigFileUnitData = data;
// delete entry from the list
ts.orderedRemoveItemAt(testUnitData, i);
break;
}
}
return { settings, testUnitData, tsConfig, tsConfigFileUnitData, symlinks };
}
}
/** Support class for baseline files */
export namespace Baseline {
const noContent = "<no content>";
export interface BaselineOptions {
Subfolder?: string;
Baselinefolder?: string;
PrintDiff?: true;
}
export function localPath(fileName: string, baselineFolder?: string, subfolder?: string) {
if (baselineFolder === undefined) {
return baselinePath(fileName, "local", "tests/baselines", subfolder);
}
else {
return baselinePath(fileName, "local", baselineFolder, subfolder);
}
}
function referencePath(fileName: string, baselineFolder?: string, subfolder?: string) {
if (baselineFolder === undefined) {
return baselinePath(fileName, "reference", "tests/baselines", subfolder);
}
else {
return baselinePath(fileName, "reference", baselineFolder, subfolder);
}
}
function baselinePath(fileName: string, type: string, baselineFolder: string, subfolder?: string) {
if (subfolder !== undefined) {
return userSpecifiedRoot + baselineFolder + "/" + subfolder + "/" + type + "/" + fileName;
}
else {
return userSpecifiedRoot + baselineFolder + "/" + type + "/" + fileName;
}
}
const fileCache: { [idx: string]: boolean } = {};
function compareToBaseline(actual: string | null, relativeFileName: string, opts: BaselineOptions | undefined) {
// actual is now either undefined (the generator had an error), null (no file requested),
// or some real output of the function
if (actual === undefined) {
// Nothing to do
return undefined!; // TODO: GH#18217
}
const refFileName = referencePath(relativeFileName, opts && opts.Baselinefolder, opts && opts.Subfolder);
// eslint-disable-next-line no-null/no-null
if (actual === null) {
actual = noContent;
}
let expected = "<no content>";
if (IO.fileExists(refFileName)) {
expected = IO.readFile(refFileName)!; // TODO: GH#18217
}
return { expected, actual };
}
function writeComparison(expected: string, actual: string, relativeFileName: string, actualFileName: string, opts?: BaselineOptions) {
// For now this is written using TypeScript, because sys is not available when running old test cases.
// But we need to move to sys once we have
// Creates the directory including its parent if not already present
function createDirectoryStructure(dirName: string) {
if (fileCache[dirName] || IO.directoryExists(dirName)) {
fileCache[dirName] = true;
return;
}
const parentDirectory = IO.directoryName(dirName)!; // TODO: GH#18217
if (parentDirectory !== "" && parentDirectory !== dirName) {
createDirectoryStructure(parentDirectory);
}
IO.createDirectory(dirName);
fileCache[dirName] = true;
}
// Create folders if needed
createDirectoryStructure(IO.directoryName(actualFileName)!); // TODO: GH#18217
// Delete the actual file in case it fails
if (IO.fileExists(actualFileName)) {
IO.deleteFile(actualFileName);
}
const encodedActual = Utils.encodeString(actual);
if (expected !== encodedActual) {
if (actual === noContent) {
IO.writeFile(actualFileName + ".delete", "");
}
else {
IO.writeFile(actualFileName, encodedActual);
}
const errorMessage = getBaselineFileChangedErrorMessage(relativeFileName);
if (!!require && opts && opts.PrintDiff) {
const Diff = require("diff");
const patch = Diff.createTwoFilesPatch("Expected", "Actual", expected, actual, "The current baseline", "The new version");
throw new Error(`${errorMessage}${ts.ForegroundColorEscapeSequences.Grey}\n\n${patch}`);
}
else {
if (!IO.fileExists(expected)) {
throw new Error(`New baseline created at ${IO.joinPath("tests", "baselines","local", relativeFileName)}`);
}
else {
throw new Error(errorMessage);
}
}
}
}
function getBaselineFileChangedErrorMessage(relativeFileName: string): string {
return `The baseline file ${relativeFileName} has changed. (Run "gulp baseline-accept" if the new baseline is correct.)`;
}
export function runBaseline(relativeFileName: string, actual: string | null, opts?: BaselineOptions): void {
const actualFileName = localPath(relativeFileName, opts && opts.Baselinefolder, opts && opts.Subfolder);
if (actual === undefined) {
throw new Error("The generated content was \"undefined\". Return \"null\" if no baselining is required.\"");
}
const comparison = compareToBaseline(actual, relativeFileName, opts);
writeComparison(comparison.expected, comparison.actual, relativeFileName, actualFileName, opts);
}
export function runMultifileBaseline(relativeFileBase: string, extension: string, generateContent: () => IterableIterator<[string, string, number]> | IterableIterator<[string, string]> | null, opts?: BaselineOptions, referencedExtensions?: string[]): void {
const gen = generateContent();
const writtenFiles = new ts.Map<string, true>();
const errors: Error[] = [];
// eslint-disable-next-line no-null/no-null
if (gen !== null) {
for (let {done, value} = gen.next(); !done; { done, value } = gen.next()) {
const [name, content, count] = value as [string, string, number | undefined];
if (count === 0) continue; // Allow error reporter to skip writing files without errors
const relativeFileName = relativeFileBase + "/" + name + extension;
const actualFileName = localPath(relativeFileName, opts && opts.Baselinefolder, opts && opts.Subfolder);
const comparison = compareToBaseline(content, relativeFileName, opts);
try {
writeComparison(comparison.expected, comparison.actual, relativeFileName, actualFileName);
}
catch (e) {
errors.push(e);
}
writtenFiles.set(relativeFileName, true);
}
}
const referenceDir = referencePath(relativeFileBase, opts && opts.Baselinefolder, opts && opts.Subfolder);
let existing = IO.readDirectory(referenceDir, referencedExtensions || [extension]);
if (extension === ".ts" || referencedExtensions && referencedExtensions.indexOf(".ts") > -1 && referencedExtensions.indexOf(".d.ts") === -1) {
// special-case and filter .d.ts out of .ts results
existing = existing.filter(f => !ts.endsWith(f, ".d.ts"));
}
const missing: string[] = [];
for (const name of existing) {
const localCopy = name.substring(referenceDir.length - relativeFileBase.length);
if (!writtenFiles.has(localCopy)) {
missing.push(localCopy);
}
}
if (missing.length) {
for (const file of missing) {
IO.writeFile(localPath(file + ".delete", opts && opts.Baselinefolder, opts && opts.Subfolder), "");
}
}
if (errors.length || missing.length) {
let errorMsg = "";
if (errors.length) {
errorMsg += `The baseline for ${relativeFileBase} in ${errors.length} files has changed:${"\n " + errors.slice(0, 5).map(e => e.message).join("\n ") + (errors.length > 5 ? "\n" + ` and ${errors.length - 5} more` : "")}`;
}
if (errors.length && missing.length) {
errorMsg += "\n";
}
if (missing.length) {
const writtenFilesArray = ts.arrayFrom(writtenFiles.keys());
errorMsg += `Baseline missing ${missing.length} files:${"\n " + missing.slice(0, 5).join("\n ") + (missing.length > 5 ? "\n" + ` and ${missing.length - 5} more` : "") + "\n"}Written ${writtenFiles.size} files:${"\n " + writtenFilesArray.slice(0, 5).join("\n ") + (writtenFilesArray.length > 5 ? "\n" + ` and ${writtenFilesArray.length - 5} more` : "")}`;
}
throw new Error(errorMsg);
}
}
}
export function isDefaultLibraryFile(filePath: string): boolean {
// We need to make sure that the filePath is prefixed with "lib." not just containing "lib." and end with ".d.ts"
const fileName = ts.getBaseFileName(ts.normalizeSlashes(filePath));
return ts.startsWith(fileName, "lib.") && ts.endsWith(fileName, ts.Extension.Dts);
}
export function isBuiltFile(filePath: string): boolean {
return filePath.indexOf(libFolder) === 0 ||
filePath.indexOf(vpath.addTrailingSeparator(vfs.builtFolder)) === 0;
}
export function getDefaultLibraryFile(filePath: string, io: IO): Compiler.TestFile {
const libFile = userSpecifiedRoot + libFolder + ts.getBaseFileName(ts.normalizeSlashes(filePath));
return { unitName: libFile, content: io.readFile(libFile)! };
}
export function getConfigNameFromFileName(filename: string): "tsconfig.json" | "jsconfig.json" | undefined {
const flc = ts.getBaseFileName(filename).toLowerCase();
return ts.find(["tsconfig.json" as "tsconfig.json", "jsconfig.json" as "jsconfig.json"], x => x === flc);
}
if (Error) (Error as any).stackTraceLimit = 100;
}
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