TypeScript/src/harness/compilerRunner.ts
2016-08-15 16:41:32 -07:00

445 lines
22 KiB
TypeScript

/// <reference path="harness.ts" />
/// <reference path="runnerbase.ts" />
/// <reference path="typeWriter.ts" />
// In harness baselines, null is different than undefined. See `generateActual` in `harness.ts`.
/* tslint:disable:no-null-keyword */
const enum CompilerTestType {
Conformance,
Regressions,
Test262
}
class CompilerBaselineRunner extends RunnerBase {
private basePath = "tests/cases";
private testSuiteName: TestRunnerKind;
private errors: boolean;
private emit: boolean;
private decl: boolean;
private output: boolean;
public options: string;
constructor(public testType: CompilerTestType) {
super();
this.errors = true;
this.emit = true;
this.decl = true;
this.output = true;
if (testType === CompilerTestType.Conformance) {
this.testSuiteName = "conformance";
}
else if (testType === CompilerTestType.Regressions) {
this.testSuiteName = "compiler";
}
else if (testType === CompilerTestType.Test262) {
this.testSuiteName = "test262";
}
else {
this.testSuiteName = "compiler"; // default to this for historical reasons
}
this.basePath += "/" + this.testSuiteName;
}
public kind() {
return this.testSuiteName;
}
public enumerateTestFiles() {
return this.enumerateFiles(this.basePath, /\.tsx?$/, { recursive: true });
}
private makeUnitName(name: string, root: string) {
const path = ts.toPath(name, root, (fileName) => Harness.Compiler.getCanonicalFileName(fileName));
const pathStart = ts.toPath(Harness.IO.getCurrentDirectory(), "", (fileName) => Harness.Compiler.getCanonicalFileName(fileName));
return pathStart ? path.replace(pathStart, "/") : path;
};
public checkTestCodeOutput(fileName: string) {
describe("compiler tests for " + fileName, () => {
// Mocha holds onto the closure environment of the describe callback even after the test is done.
// Everything declared here should be cleared out in the "after" callback.
let justName: string;
let lastUnit: Harness.TestCaseParser.TestUnitData;
let harnessSettings: Harness.TestCaseParser.CompilerSettings;
let hasNonDtsFiles: boolean;
let result: Harness.Compiler.CompilerResult;
let options: ts.CompilerOptions;
// equivalent to the files that will be passed on the command line
let toBeCompiled: Harness.Compiler.TestFile[];
// equivalent to other files on the file system not directly passed to the compiler (ie things that are referenced by other files)
let otherFiles: Harness.Compiler.TestFile[];
before(() => {
justName = fileName.replace(/^.*[\\\/]/, ""); // strips the fileName from the path.
const content = Harness.IO.readFile(fileName);
const rootDir = fileName.indexOf("conformance") === -1 ? "tests/cases/compiler/" : ts.getDirectoryPath(fileName) + "/";
const testCaseContent = Harness.TestCaseParser.makeUnitsFromTest(content, fileName, rootDir);
const units = testCaseContent.testUnitData;
harnessSettings = testCaseContent.settings;
let tsConfigOptions: ts.CompilerOptions;
if (testCaseContent.tsConfig) {
assert.equal(testCaseContent.tsConfig.fileNames.length, 0, `list of files in tsconfig is not currently supported`);
tsConfigOptions = ts.clone(testCaseContent.tsConfig.options);
}
else {
const baseUrl = harnessSettings["baseUrl"];
if (baseUrl !== undefined && !ts.isRootedDiskPath(baseUrl)) {
harnessSettings["baseUrl"] = ts.getNormalizedAbsolutePath(baseUrl, rootDir);
}
}
lastUnit = units[units.length - 1];
hasNonDtsFiles = ts.forEach(units, unit => !ts.fileExtensionIs(unit.name, ".d.ts"));
// We need to assemble the list of input files for the compiler and other related files on the 'filesystem' (ie in a multi-file test)
// If the last file in a test uses require or a triple slash reference we'll assume all other files will be brought in via references,
// otherwise, assume all files are just meant to be in the same compilation session without explicit references to one another.
toBeCompiled = [];
otherFiles = [];
if (testCaseContent.settings["noImplicitReferences"] || /require\(/.test(lastUnit.content) || /reference\spath/.test(lastUnit.content)) {
toBeCompiled.push({ unitName: this.makeUnitName(lastUnit.name, rootDir), content: lastUnit.content, fileOptions: lastUnit.fileOptions });
units.forEach(unit => {
if (unit.name !== lastUnit.name) {
otherFiles.push({ unitName: this.makeUnitName(unit.name, rootDir), content: unit.content, fileOptions: unit.fileOptions });
}
});
}
else {
toBeCompiled = units.map(unit => {
return { unitName: this.makeUnitName(unit.name, rootDir), content: unit.content, fileOptions: unit.fileOptions };
});
}
if (tsConfigOptions && tsConfigOptions.configFilePath !== undefined) {
tsConfigOptions.configFilePath = ts.combinePaths(rootDir, tsConfigOptions.configFilePath);
}
const output = Harness.Compiler.compileFiles(
toBeCompiled, otherFiles, harnessSettings, /*options*/ tsConfigOptions, /*currentDirectory*/ harnessSettings["currentDirectory"]);
options = output.options;
result = output.result;
});
after(() => {
// Mocha holds onto the closure environment of the describe callback even after the test is done.
// Therefore we have to clean out large objects after the test is done.
justName = undefined;
lastUnit = undefined;
hasNonDtsFiles = undefined;
result = undefined;
options = undefined;
toBeCompiled = undefined;
otherFiles = undefined;
});
function getByteOrderMarkText(file: Harness.Compiler.GeneratedFile): string {
return file.writeByteOrderMark ? "\u00EF\u00BB\u00BF" : "";
}
function getErrorBaseline(toBeCompiled: Harness.Compiler.TestFile[], otherFiles: Harness.Compiler.TestFile[], result: Harness.Compiler.CompilerResult) {
return Harness.Compiler.getErrorBaseline(toBeCompiled.concat(otherFiles), result.errors);
}
// check errors
it("Correct errors for " + fileName, () => {
if (this.errors) {
Harness.Baseline.runBaseline("Correct errors for " + fileName, justName.replace(/\.tsx?$/, ".errors.txt"), (): string => {
if (result.errors.length === 0) return null;
return getErrorBaseline(toBeCompiled, otherFiles, result);
});
}
});
it (`Correct module resolution tracing for ${fileName}`, () => {
if (options.traceResolution) {
Harness.Baseline.runBaseline("Correct module resolution tracing for " + fileName, justName.replace(/\.tsx?$/, ".trace.json"), () => {
return JSON.stringify(result.traceResults || [], undefined, 4);
});
}
});
// Source maps?
it("Correct sourcemap content for " + fileName, () => {
if (options.sourceMap || options.inlineSourceMap) {
Harness.Baseline.runBaseline("Correct sourcemap content for " + fileName, justName.replace(/\.tsx?$/, ".sourcemap.txt"), () => {
const record = result.getSourceMapRecord();
if (options.noEmitOnError && result.errors.length !== 0 && record === undefined) {
// Because of the noEmitOnError option no files are created. We need to return null because baselining isn"t required.
return null;
}
return record;
});
}
});
it("Correct JS output for " + fileName, () => {
if (hasNonDtsFiles && this.emit) {
if (!options.noEmit && result.files.length === 0 && result.errors.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
Harness.Baseline.runBaseline("Correct JS output for " + fileName, justName.replace(/\.tsx?/, ".js"), () => {
let tsCode = "";
const tsSources = otherFiles.concat(toBeCompiled);
if (tsSources.length > 1) {
tsCode += "//// [" + fileName + "] ////\r\n\r\n";
}
for (let i = 0; i < tsSources.length; i++) {
tsCode += "//// [" + Harness.Path.getFileName(tsSources[i].unitName) + "]\r\n";
tsCode += tsSources[i].content + (i < (tsSources.length - 1) ? "\r\n" : "");
}
let jsCode = "";
for (let i = 0; i < result.files.length; i++) {
jsCode += "//// [" + Harness.Path.getFileName(result.files[i].fileName) + "]\r\n";
jsCode += getByteOrderMarkText(result.files[i]);
jsCode += result.files[i].code;
}
if (result.declFilesCode.length > 0) {
jsCode += "\r\n\r\n";
for (let i = 0; i < result.declFilesCode.length; i++) {
jsCode += "//// [" + Harness.Path.getFileName(result.declFilesCode[i].fileName) + "]\r\n";
jsCode += getByteOrderMarkText(result.declFilesCode[i]);
jsCode += result.declFilesCode[i].code;
}
}
const declFileCompilationResult =
Harness.Compiler.compileDeclarationFiles(
toBeCompiled, otherFiles, result, harnessSettings, options, /*currentDirectory*/ undefined);
if (declFileCompilationResult && declFileCompilationResult.declResult.errors.length) {
jsCode += "\r\n\r\n//// [DtsFileErrors]\r\n";
jsCode += "\r\n\r\n";
jsCode += getErrorBaseline(declFileCompilationResult.declInputFiles, declFileCompilationResult.declOtherFiles, declFileCompilationResult.declResult);
}
if (jsCode.length > 0) {
return tsCode + "\r\n\r\n" + jsCode;
}
else {
return null;
}
});
}
});
it("Correct Sourcemap output for " + fileName, () => {
if (options.inlineSourceMap) {
if (result.sourceMaps.length > 0) {
throw new Error("No sourcemap files should be generated if inlineSourceMaps was set.");
}
return null;
}
else if (options.sourceMap) {
if (result.sourceMaps.length !== result.files.length) {
throw new Error("Number of sourcemap files should be same as js files.");
}
Harness.Baseline.runBaseline("Correct Sourcemap output for " + fileName, justName.replace(/\.tsx?/, ".js.map"), () => {
if (options.noEmitOnError && result.errors.length !== 0 && result.sourceMaps.length === 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.
return null;
}
let sourceMapCode = "";
for (let i = 0; i < result.sourceMaps.length; i++) {
sourceMapCode += "//// [" + Harness.Path.getFileName(result.sourceMaps[i].fileName) + "]\r\n";
sourceMapCode += getByteOrderMarkText(result.sourceMaps[i]);
sourceMapCode += result.sourceMaps[i].code;
}
return sourceMapCode;
});
}
});
it("Correct type/symbol baselines for " + fileName, () => {
if (fileName.indexOf("APISample") >= 0) {
return;
}
// NEWTODO: Type baselines
if (result.errors.length !== 0) {
return;
}
// 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 program = result.program;
const allFiles = toBeCompiled.concat(otherFiles).filter(file => !!program.getSourceFile(file.unitName));
const fullWalker = new TypeWriterWalker(program, /*fullTypeCheck*/ true);
const fullResults = ts.createMap<TypeWriterResult[]>();
const pullResults = ts.createMap<TypeWriterResult[]>();
for (const sourceFile of allFiles) {
fullResults[sourceFile.unitName] = fullWalker.getTypeAndSymbols(sourceFile.unitName);
pullResults[sourceFile.unitName] = fullWalker.getTypeAndSymbols(sourceFile.unitName);
}
// Produce baselines. The first gives the types for all expressions.
// The second gives symbols for all identifiers.
let e1: Error, e2: Error;
try {
checkBaseLines(/*isSymbolBaseLine*/ false);
}
catch (e) {
e1 = e;
}
try {
checkBaseLines(/*isSymbolBaseLine*/ true);
}
catch (e) {
e2 = e;
}
if (e1 || e2) {
throw e1 || e2;
}
return;
function checkBaseLines(isSymbolBaseLine: boolean) {
const fullBaseLine = generateBaseLine(fullResults, isSymbolBaseLine);
const pullBaseLine = generateBaseLine(pullResults, isSymbolBaseLine);
const fullExtension = isSymbolBaseLine ? ".symbols" : ".types";
const pullExtension = isSymbolBaseLine ? ".symbols.pull" : ".types.pull";
if (fullBaseLine !== pullBaseLine) {
Harness.Baseline.runBaseline("Correct full information for " + fileName, justName.replace(/\.tsx?/, fullExtension), () => fullBaseLine);
Harness.Baseline.runBaseline("Correct pull information for " + fileName, justName.replace(/\.tsx?/, pullExtension), () => pullBaseLine);
}
else {
Harness.Baseline.runBaseline("Correct information for " + fileName, justName.replace(/\.tsx?/, fullExtension), () => fullBaseLine);
}
}
function generateBaseLine(typeWriterResults: ts.Map<TypeWriterResult[]>, isSymbolBaseline: boolean): string {
const typeLines: string[] = [];
const typeMap: { [fileName: string]: { [lineNum: number]: string[]; } } = {};
allFiles.forEach(file => {
const codeLines = file.content.split("\n");
typeWriterResults[file.unitName].forEach(result => {
if (isSymbolBaseline && !result.symbol) {
return;
}
const typeOrSymbolString = isSymbolBaseline ? result.symbol : result.type;
const formattedLine = result.sourceText.replace(/\r?\n/g, "") + " : " + typeOrSymbolString;
if (!typeMap[file.unitName]) {
typeMap[file.unitName] = {};
}
let typeInfo = [formattedLine];
const existingTypeInfo = typeMap[file.unitName][result.line];
if (existingTypeInfo) {
typeInfo = existingTypeInfo.concat(typeInfo);
}
typeMap[file.unitName][result.line] = typeInfo;
});
typeLines.push("=== " + file.unitName + " ===\r\n");
for (let i = 0; i < codeLines.length; i++) {
const currentCodeLine = codeLines[i];
typeLines.push(currentCodeLine + "\r\n");
if (typeMap[file.unitName]) {
const typeInfo = typeMap[file.unitName][i];
if (typeInfo) {
typeInfo.forEach(ty => {
typeLines.push(">" + ty + "\r\n");
});
if (i + 1 < codeLines.length && (codeLines[i + 1].match(/^\s*[{|}]\s*$/) || codeLines[i + 1].trim() === "")) {
}
else {
typeLines.push("\r\n");
}
}
}
else {
typeLines.push("No type information for this code.");
}
}
});
return typeLines.join("");
}
});
});
}
public initializeTests() {
describe(this.testSuiteName + " tests", () => {
describe("Setup compiler for compiler baselines", () => {
this.parseOptions();
});
// this will set up a series of describe/it blocks to run between the setup and cleanup phases
if (this.tests.length === 0) {
const testFiles = this.enumerateTestFiles();
testFiles.forEach(fn => {
fn = fn.replace(/\\/g, "/");
this.checkTestCodeOutput(fn);
});
}
else {
this.tests.forEach(test => this.checkTestCodeOutput(test));
}
});
}
private parseOptions() {
if (this.options && this.options.length > 0) {
this.errors = false;
this.emit = false;
this.decl = false;
this.output = false;
const opts = this.options.split(",");
for (let i = 0; i < opts.length; i++) {
switch (opts[i]) {
case "error":
this.errors = true;
break;
case "emit":
this.emit = true;
break;
case "decl":
this.decl = true;
break;
case "output":
this.output = true;
break;
default:
throw new Error("unsupported flag");
}
}
}
}
}