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3353 lines (2780 loc) · 151 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="harnessLanguageService.ts" />
/// <reference path="harness.ts" />
/// <reference path="fourslashRunner.ts" />
/* tslint:disable:no-null */
namespace FourSlash {
ts.disableIncrementalParsing = false;
// Represents a parsed source file with metadata
export interface FourSlashFile {
// The contents of the file (with markers, etc stripped out)
content: string;
fileName: string;
version: number;
// File-specific options (name/value pairs)
fileOptions: Harness.TestCaseParser.CompilerSettings;
}
// Represents a set of parsed source files and options
export interface FourSlashData {
// Global options (name/value pairs)
globalOptions: Harness.TestCaseParser.CompilerSettings;
files: FourSlashFile[];
// A mapping from marker names to name/position pairs
markerPositions: { [index: string]: Marker; };
markers: Marker[];
ranges: Range[];
}
interface MemberListData {
result: {
maybeInaccurate: boolean;
isMemberCompletion: boolean;
entries: {
name: string;
type: string;
kind: string;
kindModifiers: string;
}[];
};
}
export interface Marker {
fileName: string;
position: number;
data?: any;
}
interface MarkerMap {
[index: string]: Marker;
}
export interface Range {
fileName: string;
start: number;
end: number;
marker?: Marker;
}
interface LocationInformation {
position: number;
sourcePosition: number;
sourceLine: number;
sourceColumn: number;
}
interface RangeLocationInformation extends LocationInformation {
marker?: Marker;
}
export interface TextSpan {
start: number;
end: number;
}
export import IndentStyle = ts.IndentStyle;
const entityMap: ts.Map<string> = {
"&": "&",
"\"": """,
"'": "'",
"/": "/",
"<": "<",
">": ">"
};
export function escapeXmlAttributeValue(s: string) {
return s.replace(/[&<>"'\/]/g, ch => entityMap[ch]);
}
// Name of testcase metadata including ts.CompilerOptions properties that will be used by globalOptions
// To add additional option, add property into the testOptMetadataNames, refer the property in either globalMetadataNames or fileMetadataNames
// Add cases into convertGlobalOptionsToCompilationsSettings function for the compiler to acknowledge such option from meta data
const metadataOptionNames = {
baselineFile: "BaselineFile",
emitThisFile: "emitThisFile", // This flag is used for testing getEmitOutput feature. It allows test-cases to indicate what file to be output in multiple files project
fileName: "Filename",
resolveReference: "ResolveReference", // This flag is used to specify entry file for resolve file references. The flag is only allow once per test file
};
// List of allowed metadata names
const fileMetadataNames = [metadataOptionNames.fileName, metadataOptionNames.emitThisFile, metadataOptionNames.resolveReference];
function convertGlobalOptionsToCompilerOptions(globalOptions: Harness.TestCaseParser.CompilerSettings): ts.CompilerOptions {
const settings: ts.CompilerOptions = { target: ts.ScriptTarget.ES5 };
Harness.Compiler.setCompilerOptionsFromHarnessSetting(globalOptions, settings);
return settings;
}
export class TestCancellationToken implements ts.HostCancellationToken {
// 0 - cancelled
// >0 - not cancelled
// <0 - not cancelled and value denotes number of isCancellationRequested after which token become cancelled
private static NotCanceled: number = -1;
private numberOfCallsBeforeCancellation: number = TestCancellationToken.NotCanceled;
public isCancellationRequested(): boolean {
if (this.numberOfCallsBeforeCancellation < 0) {
return false;
}
if (this.numberOfCallsBeforeCancellation > 0) {
this.numberOfCallsBeforeCancellation--;
return false;
}
return true;
}
public setCancelled(numberOfCalls = 0): void {
ts.Debug.assert(numberOfCalls >= 0);
this.numberOfCallsBeforeCancellation = numberOfCalls;
}
public resetCancelled(): void {
this.numberOfCallsBeforeCancellation = TestCancellationToken.NotCanceled;
}
}
export function verifyOperationIsCancelled(f: () => void) {
try {
f();
}
catch (e) {
if (e instanceof ts.OperationCanceledException) {
return;
}
}
throw new Error("Operation should be cancelled");
}
// This function creates IScriptSnapshot object for testing getPreProcessedFileInfo
// Return object may lack some functionalities for other purposes.
function createScriptSnapShot(sourceText: string): ts.IScriptSnapshot {
return {
getText: (start: number, end: number) => {
return sourceText.substr(start, end - start);
},
getLength: () => {
return sourceText.length;
},
getChangeRange: (oldSnapshot: ts.IScriptSnapshot) => {
return <ts.TextChangeRange>undefined;
}
};
}
export class TestState {
// Language service instance
private languageServiceAdapterHost: Harness.LanguageService.LanguageServiceAdapterHost;
private languageService: ts.LanguageService;
private cancellationToken: TestCancellationToken;
// The current caret position in the active file
public currentCaretPosition = 0;
public lastKnownMarker: string = "";
// The file that's currently 'opened'
public activeFile: FourSlashFile = null;
// Whether or not we should format on keystrokes
public enableFormatting = true;
public formatCodeOptions: ts.FormatCodeOptions;
private inputFiles: ts.Map<string> = {}; // Map between inputFile's fileName and its content for easily looking up when resolving references
// Add input file which has matched file name with the given reference-file path.
// This is necessary when resolveReference flag is specified
private addMatchedInputFile(referenceFilePath: string, extensions: string[]) {
const inputFiles = this.inputFiles;
const languageServiceAdapterHost = this.languageServiceAdapterHost;
if (!extensions) {
tryAdd(referenceFilePath);
}
else {
tryAdd(referenceFilePath) || ts.forEach(extensions, ext => tryAdd(referenceFilePath + ext));
}
function tryAdd(path: string) {
const inputFile = inputFiles[path];
if (inputFile && !Harness.isDefaultLibraryFile(path)) {
languageServiceAdapterHost.addScript(path, inputFile);
return true;
}
}
}
private getLanguageServiceAdapter(testType: FourSlashTestType, cancellationToken: TestCancellationToken, compilationOptions: ts.CompilerOptions): Harness.LanguageService.LanguageServiceAdapter {
switch (testType) {
case FourSlashTestType.Native:
return new Harness.LanguageService.NativeLanguageServiceAdapter(cancellationToken, compilationOptions);
case FourSlashTestType.Shims:
return new Harness.LanguageService.ShimLanguageServiceAdapter(/*preprocessToResolve*/ false, cancellationToken, compilationOptions);
case FourSlashTestType.ShimsWithPreprocess:
return new Harness.LanguageService.ShimLanguageServiceAdapter(/*preprocessToResolve*/ true, cancellationToken, compilationOptions);
case FourSlashTestType.Server:
return new Harness.LanguageService.ServerLanguageServiceAdapter(cancellationToken, compilationOptions);
default:
throw new Error("Unknown FourSlash test type: ");
}
}
constructor(private basePath: string, private testType: FourSlashTestType, public testData: FourSlashData) {
// Create a new Services Adapter
this.cancellationToken = new TestCancellationToken();
const compilationOptions = convertGlobalOptionsToCompilerOptions(this.testData.globalOptions);
const languageServiceAdapter = this.getLanguageServiceAdapter(testType, this.cancellationToken, compilationOptions);
this.languageServiceAdapterHost = languageServiceAdapter.getHost();
this.languageService = languageServiceAdapter.getLanguageService();
// Initialize the language service with all the scripts
let startResolveFileRef: FourSlashFile;
ts.forEach(testData.files, file => {
// Create map between fileName and its content for easily looking up when resolveReference flag is specified
this.inputFiles[file.fileName] = file.content;
if (!startResolveFileRef && file.fileOptions[metadataOptionNames.resolveReference] === "true") {
startResolveFileRef = file;
}
else if (startResolveFileRef) {
// If entry point for resolving file references is already specified, report duplication error
throw new Error("There exists a Fourslash file which has resolveReference flag specified; remove duplicated resolveReference flag");
}
});
if (startResolveFileRef) {
// Add the entry-point file itself into the languageServiceShimHost
this.languageServiceAdapterHost.addScript(startResolveFileRef.fileName, startResolveFileRef.content);
const resolvedResult = languageServiceAdapter.getPreProcessedFileInfo(startResolveFileRef.fileName, startResolveFileRef.content);
const referencedFiles: ts.FileReference[] = resolvedResult.referencedFiles;
const importedFiles: ts.FileReference[] = resolvedResult.importedFiles;
// Add triple reference files into language-service host
ts.forEach(referencedFiles, referenceFile => {
// Fourslash insert tests/cases/fourslash into inputFile.unitName so we will properly append the same base directory to refFile path
const referenceFilePath = this.basePath + "/" + referenceFile.fileName;
this.addMatchedInputFile(referenceFilePath, /* extensions */ undefined);
});
// Add import files into language-service host
ts.forEach(importedFiles, importedFile => {
// Fourslash insert tests/cases/fourslash into inputFile.unitName and import statement doesn't require ".ts"
// so convert them before making appropriate comparison
const importedFilePath = this.basePath + "/" + importedFile.fileName;
this.addMatchedInputFile(importedFilePath, ts.getSupportedExtensions(compilationOptions));
});
// Check if no-default-lib flag is false and if so add default library
if (!resolvedResult.isLibFile) {
this.languageServiceAdapterHost.addScript(Harness.Compiler.defaultLibFileName,
Harness.Compiler.getDefaultLibrarySourceFile().text);
}
}
else {
// resolveReference file-option is not specified then do not resolve any files and include all inputFiles
ts.forEachKey(this.inputFiles, fileName => {
if (!Harness.isDefaultLibraryFile(fileName)) {
this.languageServiceAdapterHost.addScript(fileName, this.inputFiles[fileName]);
}
});
this.languageServiceAdapterHost.addScript(Harness.Compiler.defaultLibFileName,
Harness.Compiler.getDefaultLibrarySourceFile().text);
}
this.formatCodeOptions = {
IndentSize: 4,
TabSize: 4,
NewLineCharacter: Harness.IO.newLine(),
ConvertTabsToSpaces: true,
IndentStyle: ts.IndentStyle.Smart,
InsertSpaceAfterCommaDelimiter: true,
InsertSpaceAfterSemicolonInForStatements: true,
InsertSpaceBeforeAndAfterBinaryOperators: true,
InsertSpaceAfterKeywordsInControlFlowStatements: true,
InsertSpaceAfterFunctionKeywordForAnonymousFunctions: false,
InsertSpaceAfterOpeningAndBeforeClosingNonemptyParenthesis: false,
InsertSpaceAfterOpeningAndBeforeClosingNonemptyBrackets: false,
InsertSpaceAfterOpeningAndBeforeClosingTemplateStringBraces: false,
PlaceOpenBraceOnNewLineForFunctions: false,
PlaceOpenBraceOnNewLineForControlBlocks: false,
};
// Open the first file by default
this.openFile(0);
}
private getFileContent(fileName: string): string {
const script = this.languageServiceAdapterHost.getScriptInfo(fileName);
return script.content;
}
// Entry points from fourslash.ts
public goToMarker(name = "") {
const marker = this.getMarkerByName(name);
if (this.activeFile.fileName !== marker.fileName) {
this.openFile(marker.fileName);
}
const content = this.getFileContent(marker.fileName);
if (marker.position === -1 || marker.position > content.length) {
throw new Error(`Marker "${name}" has been invalidated by unrecoverable edits to the file.`);
}
this.lastKnownMarker = name;
this.goToPosition(marker.position);
}
public goToPosition(pos: number) {
this.currentCaretPosition = pos;
}
public moveCaretRight(count = 1) {
this.currentCaretPosition += count;
this.currentCaretPosition = Math.min(this.currentCaretPosition, this.getFileContent(this.activeFile.fileName).length);
}
// Opens a file given its 0-based index or fileName
public openFile(index: number, content?: string): void;
public openFile(name: string, content?: string): void;
public openFile(indexOrName: any, content?: string) {
const fileToOpen: FourSlashFile = this.findFile(indexOrName);
fileToOpen.fileName = ts.normalizeSlashes(fileToOpen.fileName);
this.activeFile = fileToOpen;
// Let the host know that this file is now open
this.languageServiceAdapterHost.openFile(fileToOpen.fileName, content);
}
public verifyErrorExistsBetweenMarkers(startMarkerName: string, endMarkerName: string, negative: boolean) {
const startMarker = this.getMarkerByName(startMarkerName);
const endMarker = this.getMarkerByName(endMarkerName);
const predicate = function (errorMinChar: number, errorLimChar: number, startPos: number, endPos: number) {
return ((errorMinChar === startPos) && (errorLimChar === endPos)) ? true : false;
};
const exists = this.anyErrorInRange(predicate, startMarker, endMarker);
if (exists !== negative) {
this.printErrorLog(negative, this.getAllDiagnostics());
throw new Error("Failure between markers: " + startMarkerName + ", " + endMarkerName);
}
}
private raiseError(message: string) {
message = this.messageAtLastKnownMarker(message);
throw new Error(message);
}
private messageAtLastKnownMarker(message: string) {
return "Marker: " + this.lastKnownMarker + "\n" + message;
}
private assertionMessageAtLastKnownMarker(msg: string) {
return "\nMarker: " + this.lastKnownMarker + "\nChecking: " + msg + "\n\n";
}
private getDiagnostics(fileName: string): ts.Diagnostic[] {
const syntacticErrors = this.languageService.getSyntacticDiagnostics(fileName);
const semanticErrors = this.languageService.getSemanticDiagnostics(fileName);
const diagnostics: ts.Diagnostic[] = [];
diagnostics.push.apply(diagnostics, syntacticErrors);
diagnostics.push.apply(diagnostics, semanticErrors);
return diagnostics;
}
private getAllDiagnostics(): ts.Diagnostic[] {
const diagnostics: ts.Diagnostic[] = [];
const fileNames = this.languageServiceAdapterHost.getFilenames();
for (let i = 0, n = fileNames.length; i < n; i++) {
diagnostics.push.apply(this.getDiagnostics(fileNames[i]));
}
return diagnostics;
}
public verifyErrorExistsAfterMarker(markerName: string, negative: boolean, after: boolean) {
const marker: Marker = this.getMarkerByName(markerName);
let predicate: (errorMinChar: number, errorLimChar: number, startPos: number, endPos: number) => boolean;
if (after) {
predicate = function (errorMinChar: number, errorLimChar: number, startPos: number, endPos: number) {
return ((errorMinChar >= startPos) && (errorLimChar >= startPos)) ? true : false;
};
}
else {
predicate = function (errorMinChar: number, errorLimChar: number, startPos: number, endPos: number) {
return ((errorMinChar <= startPos) && (errorLimChar <= startPos)) ? true : false;
};
}
const exists = this.anyErrorInRange(predicate, marker);
const diagnostics = this.getAllDiagnostics();
if (exists !== negative) {
this.printErrorLog(negative, diagnostics);
throw new Error("Failure at marker: " + markerName);
}
}
private anyErrorInRange(predicate: (errorMinChar: number, errorLimChar: number, startPos: number, endPos: number) => boolean, startMarker: Marker, endMarker?: Marker) {
const errors = this.getDiagnostics(startMarker.fileName);
let exists = false;
const startPos = startMarker.position;
let endPos: number = undefined;
if (endMarker !== undefined) {
endPos = endMarker.position;
}
errors.forEach(function (error: ts.Diagnostic) {
if (predicate(error.start, error.start + error.length, startPos, endPos)) {
exists = true;
}
});
return exists;
}
private printErrorLog(expectErrors: boolean, errors: ts.Diagnostic[]) {
if (expectErrors) {
Harness.IO.log("Expected error not found. Error list is:");
}
else {
Harness.IO.log("Unexpected error(s) found. Error list is:");
}
errors.forEach(function (error: ts.Diagnostic) {
Harness.IO.log(" minChar: " + error.start +
", limChar: " + (error.start + error.length) +
", message: " + ts.flattenDiagnosticMessageText(error.messageText, Harness.IO.newLine()) + "\n");
});
}
public verifyNumberOfErrorsInCurrentFile(expected: number) {
const errors = this.getDiagnostics(this.activeFile.fileName);
const actual = errors.length;
if (actual !== expected) {
this.printErrorLog(/*expectErrors*/ false, errors);
const errorMsg = "Actual number of errors (" + actual + ") does not match expected number (" + expected + ")";
Harness.IO.log(errorMsg);
this.raiseError(errorMsg);
}
}
public verifyEval(expr: string, value: any) {
const emit = this.languageService.getEmitOutput(this.activeFile.fileName);
if (emit.outputFiles.length !== 1) {
throw new Error("Expected exactly one output from emit of " + this.activeFile.fileName);
}
const evaluation = new Function(`${emit.outputFiles[0].text};\r\nreturn (${expr});`)();
if (evaluation !== value) {
this.raiseError(`Expected evaluation of expression "${expr}" to equal "${value}", but got "${evaluation}"`);
}
}
public verifyGetEmitOutputForCurrentFile(expected: string): void {
const emit = this.languageService.getEmitOutput(this.activeFile.fileName);
if (emit.outputFiles.length !== 1) {
throw new Error("Expected exactly one output from emit of " + this.activeFile.fileName);
}
const actual = emit.outputFiles[0].text;
if (actual !== expected) {
this.raiseError(`Expected emit output to be "${expected}", but got "${actual}"`);
}
}
public verifyGetEmitOutputContentsForCurrentFile(expected: ts.OutputFile[]): void {
const emit = this.languageService.getEmitOutput(this.activeFile.fileName);
assert.equal(emit.outputFiles.length, expected.length, "Number of emit output files");
for (let i = 0; i < emit.outputFiles.length; i++) {
assert.equal(emit.outputFiles[i].name, expected[i].name, "FileName");
assert.equal(emit.outputFiles[i].text, expected[i].text, "Content");
}
}
public verifyMemberListContains(symbol: string, text?: string, documentation?: string, kind?: string) {
const members = this.getMemberListAtCaret();
if (members) {
this.assertItemInCompletionList(members.entries, symbol, text, documentation, kind);
}
else {
this.raiseError("Expected a member list, but none was provided");
}
}
public verifyMemberListCount(expectedCount: number, negative: boolean) {
if (expectedCount === 0 && negative) {
this.verifyMemberListIsEmpty(/*negative*/ false);
return;
}
const members = this.getMemberListAtCaret();
if (members) {
const match = members.entries.length === expectedCount;
if ((!match && !negative) || (match && negative)) {
this.raiseError("Member list count was " + members.entries.length + ". Expected " + expectedCount);
}
}
else if (expectedCount) {
this.raiseError("Member list count was 0. Expected " + expectedCount);
}
}
public verifyMemberListDoesNotContain(symbol: string) {
const members = this.getMemberListAtCaret();
if (members && members.entries.filter(e => e.name === symbol).length !== 0) {
this.raiseError(`Member list did contain ${symbol}`);
}
}
public verifyCompletionListItemsCountIsGreaterThan(count: number, negative: boolean) {
const completions = this.getCompletionListAtCaret();
const itemsCount = completions.entries.length;
if (negative) {
if (itemsCount > count) {
this.raiseError(`Expected completion list items count to not be greater than ${count}, but is actually ${itemsCount}`);
}
}
else {
if (itemsCount <= count) {
this.raiseError(`Expected completion list items count to be greater than ${count}, but is actually ${itemsCount}`);
}
}
}
public verifyCompletionListStartsWithItemsInOrder(items: string[]): void {
if (items.length === 0) {
return;
}
const entries = this.getCompletionListAtCaret().entries;
assert.isTrue(items.length <= entries.length, `Amount of expected items in completion list [ ${items.length} ] is greater than actual number of items in list [ ${entries.length} ]`);
for (let i = 0; i < items.length; i++) {
assert.equal(entries[i].name, items[i], `Unexpected item in completion list`);
}
}
public noItemsWithSameNameButDifferentKind(): void {
const completions = this.getCompletionListAtCaret();
const uniqueItems: ts.Map<string> = {};
for (const item of completions.entries) {
if (!ts.hasProperty(uniqueItems, item.name)) {
uniqueItems[item.name] = item.kind;
}
else {
assert.equal(item.kind, uniqueItems[item.name], `Items should have the same kind, got ${item.kind} and ${uniqueItems[item.name]}`);
}
}
}
public verifyMemberListIsEmpty(negative: boolean) {
const members = this.getMemberListAtCaret();
if ((!members || members.entries.length === 0) && negative) {
this.raiseError("Member list is empty at Caret");
}
else if ((members && members.entries.length !== 0) && !negative) {
let errorMsg = "\n" + "Member List contains: [" + members.entries[0].name;
for (let i = 1; i < members.entries.length; i++) {
errorMsg += ", " + members.entries[i].name;
}
errorMsg += "]\n";
this.raiseError("Member list is not empty at Caret: " + errorMsg);
}
}
public verifyCompletionListIsEmpty(negative: boolean) {
const completions = this.getCompletionListAtCaret();
if ((!completions || completions.entries.length === 0) && negative) {
this.raiseError("Completion list is empty at caret at position " + this.activeFile.fileName + " " + this.currentCaretPosition);
}
else if (completions && completions.entries.length !== 0 && !negative) {
let errorMsg = "\n" + "Completion List contains: [" + completions.entries[0].name;
for (let i = 1; i < completions.entries.length; i++) {
errorMsg += ", " + completions.entries[i].name;
}
errorMsg += "]\n";
this.raiseError("Completion list is not empty at caret at position " + this.activeFile.fileName + " " + this.currentCaretPosition + errorMsg);
}
}
public verifyCompletionListAllowsNewIdentifier(negative: boolean) {
const completions = this.getCompletionListAtCaret();
if ((completions && !completions.isNewIdentifierLocation) && !negative) {
this.raiseError("Expected builder completion entry");
}
else if ((completions && completions.isNewIdentifierLocation) && negative) {
this.raiseError("Un-expected builder completion entry");
}
}
public verifyCompletionListContains(symbol: string, text?: string, documentation?: string, kind?: string) {
const completions = this.getCompletionListAtCaret();
if (completions) {
this.assertItemInCompletionList(completions.entries, symbol, text, documentation, kind);
}
else {
this.raiseError(`No completions at position '${ this.currentCaretPosition }' when looking for '${ symbol }'.`);
}
}
/**
* Verify that the completion list does NOT contain the given symbol.
* The symbol is considered matched with the symbol in the list if and only if all given parameters must matched.
* When any parameter is omitted, the parameter is ignored during comparison and assumed that the parameter with
* that property of the symbol in the list.
* @param symbol the name of symbol
* @param expectedText the text associated with the symbol
* @param expectedDocumentation the documentation text associated with the symbol
* @param expectedKind the kind of symbol (see ScriptElementKind)
*/
public verifyCompletionListDoesNotContain(symbol: string, expectedText?: string, expectedDocumentation?: string, expectedKind?: string) {
const that = this;
function filterByTextOrDocumentation(entry: ts.CompletionEntry) {
const details = that.getCompletionEntryDetails(entry.name);
const documentation = ts.displayPartsToString(details.documentation);
const text = ts.displayPartsToString(details.displayParts);
if (expectedText && expectedDocumentation) {
return (documentation === expectedDocumentation && text === expectedText) ? true : false;
}
else if (expectedText && !expectedDocumentation) {
return text === expectedText ? true : false;
}
else if (expectedDocumentation && !expectedText) {
return documentation === expectedDocumentation ? true : false;
}
// Because expectedText and expectedDocumentation are undefined, we assume that
// users don"t care to compare them so we will treat that entry as if the entry has matching text and documentation
// and keep it in the list of filtered entry.
return true;
}
const completions = this.getCompletionListAtCaret();
if (completions) {
let filterCompletions = completions.entries.filter(e => e.name === symbol);
filterCompletions = expectedKind ? filterCompletions.filter(e => e.kind === expectedKind) : filterCompletions;
filterCompletions = filterCompletions.filter(filterByTextOrDocumentation);
if (filterCompletions.length !== 0) {
// After filtered using all present criterion, if there are still symbol left in the list
// then these symbols must meet the criterion for Not supposed to be in the list. So we
// raise an error
let error = "Completion list did contain \'" + symbol + "\'.";
const details = this.getCompletionEntryDetails(filterCompletions[0].name);
if (expectedText) {
error += "Expected text: " + expectedText + " to equal: " + ts.displayPartsToString(details.displayParts) + ".";
}
if (expectedDocumentation) {
error += "Expected documentation: " + expectedDocumentation + " to equal: " + ts.displayPartsToString(details.documentation) + ".";
}
if (expectedKind) {
error += "Expected kind: " + expectedKind + " to equal: " + filterCompletions[0].kind + ".";
}
this.raiseError(error);
}
}
}
public verifyCompletionEntryDetails(entryName: string, expectedText: string, expectedDocumentation?: string, kind?: string) {
const details = this.getCompletionEntryDetails(entryName);
assert.equal(ts.displayPartsToString(details.displayParts), expectedText, this.assertionMessageAtLastKnownMarker("completion entry details text"));
if (expectedDocumentation !== undefined) {
assert.equal(ts.displayPartsToString(details.documentation), expectedDocumentation, this.assertionMessageAtLastKnownMarker("completion entry documentation"));
}
if (kind !== undefined) {
assert.equal(details.kind, kind, this.assertionMessageAtLastKnownMarker("completion entry kind"));
}
}
public verifyReferencesAtPositionListContains(fileName: string, start: number, end: number, isWriteAccess?: boolean) {
const references = this.getReferencesAtCaret();
if (!references || references.length === 0) {
this.raiseError("verifyReferencesAtPositionListContains failed - found 0 references, expected at least one.");
}
for (let i = 0; i < references.length; i++) {
const reference = references[i];
if (reference && reference.fileName === fileName && reference.textSpan.start === start && ts.textSpanEnd(reference.textSpan) === end) {
if (typeof isWriteAccess !== "undefined" && reference.isWriteAccess !== isWriteAccess) {
this.raiseError(`verifyReferencesAtPositionListContains failed - item isWriteAccess value does not match, actual: ${reference.isWriteAccess}, expected: ${isWriteAccess}.`);
}
return;
}
}
const missingItem = { fileName: fileName, start: start, end: end, isWriteAccess: isWriteAccess };
this.raiseError(`verifyReferencesAtPositionListContains failed - could not find the item: ${JSON.stringify(missingItem)} in the returned list: (${JSON.stringify(references)})`);
}
public verifyReferencesCountIs(count: number, localFilesOnly = true) {
const references = this.getReferencesAtCaret();
let referencesCount = 0;
if (localFilesOnly) {
const localFiles = this.testData.files.map<string>(file => file.fileName);
// Count only the references in local files. Filter the ones in lib and other files.
ts.forEach(references, entry => {
if (localFiles.some((fileName) => fileName === entry.fileName)) {
referencesCount++;
}
});
}
else {
referencesCount = references && references.length || 0;
}
if (referencesCount !== count) {
const condition = localFilesOnly ? "excluding libs" : "including libs";
this.raiseError("Expected references count (" + condition + ") to be " + count + ", but is actually " + referencesCount);
}
}
private getMemberListAtCaret() {
return this.languageService.getCompletionsAtPosition(this.activeFile.fileName, this.currentCaretPosition);
}
private getCompletionListAtCaret() {
return this.languageService.getCompletionsAtPosition(this.activeFile.fileName, this.currentCaretPosition);
}
private getCompletionEntryDetails(entryName: string) {
return this.languageService.getCompletionEntryDetails(this.activeFile.fileName, this.currentCaretPosition, entryName);
}
private getReferencesAtCaret() {
return this.languageService.getReferencesAtPosition(this.activeFile.fileName, this.currentCaretPosition);
}
public getSyntacticDiagnostics(expected: string) {
const diagnostics = this.languageService.getSyntacticDiagnostics(this.activeFile.fileName);
this.testDiagnostics(expected, diagnostics);
}
public getSemanticDiagnostics(expected: string) {
const diagnostics = this.languageService.getSemanticDiagnostics(this.activeFile.fileName);
this.testDiagnostics(expected, diagnostics);
}
private testDiagnostics(expected: string, diagnostics: ts.Diagnostic[]) {
const realized = ts.realizeDiagnostics(diagnostics, "\r\n");
const actual = JSON.stringify(realized, null, " ");
assert.equal(actual, expected);
}
public verifyQuickInfoString(negative: boolean, expectedText?: string, expectedDocumentation?: string) {
const actualQuickInfo = this.languageService.getQuickInfoAtPosition(this.activeFile.fileName, this.currentCaretPosition);
const actualQuickInfoText = actualQuickInfo ? ts.displayPartsToString(actualQuickInfo.displayParts) : "";
const actualQuickInfoDocumentation = actualQuickInfo ? ts.displayPartsToString(actualQuickInfo.documentation) : "";
if (negative) {
if (expectedText !== undefined) {
assert.notEqual(actualQuickInfoText, expectedText, this.messageAtLastKnownMarker("quick info text"));
}
// TODO: should be '==='?
if (expectedDocumentation != undefined) {
assert.notEqual(actualQuickInfoDocumentation, expectedDocumentation, this.messageAtLastKnownMarker("quick info doc comment"));
}
}
else {
if (expectedText !== undefined) {
assert.equal(actualQuickInfoText, expectedText, this.messageAtLastKnownMarker("quick info text"));
}
// TODO: should be '==='?
if (expectedDocumentation != undefined) {
assert.equal(actualQuickInfoDocumentation, expectedDocumentation, this.assertionMessageAtLastKnownMarker("quick info doc"));
}
}
}
public verifyQuickInfoDisplayParts(kind: string, kindModifiers: string, textSpan: { start: number; length: number; },
displayParts: ts.SymbolDisplayPart[],
documentation: ts.SymbolDisplayPart[]) {
function getDisplayPartsJson(displayParts: ts.SymbolDisplayPart[]) {
let result = "";
ts.forEach(displayParts, part => {
if (result) {
result += ",\n ";
}
else {
result = "[\n ";
}
result += JSON.stringify(part);
});
if (result) {
result += "\n]";
}
return result;
}
const actualQuickInfo = this.languageService.getQuickInfoAtPosition(this.activeFile.fileName, this.currentCaretPosition);
assert.equal(actualQuickInfo.kind, kind, this.messageAtLastKnownMarker("QuickInfo kind"));
assert.equal(actualQuickInfo.kindModifiers, kindModifiers, this.messageAtLastKnownMarker("QuickInfo kindModifiers"));
assert.equal(JSON.stringify(actualQuickInfo.textSpan), JSON.stringify(textSpan), this.messageAtLastKnownMarker("QuickInfo textSpan"));
assert.equal(getDisplayPartsJson(actualQuickInfo.displayParts), getDisplayPartsJson(displayParts), this.messageAtLastKnownMarker("QuickInfo displayParts"));
assert.equal(getDisplayPartsJson(actualQuickInfo.documentation), getDisplayPartsJson(documentation), this.messageAtLastKnownMarker("QuickInfo documentation"));
}
public verifyRenameLocations(findInStrings: boolean, findInComments: boolean) {
const renameInfo = this.languageService.getRenameInfo(this.activeFile.fileName, this.currentCaretPosition);
if (renameInfo.canRename) {
let references = this.languageService.findRenameLocations(
this.activeFile.fileName, this.currentCaretPosition, findInStrings, findInComments);
let ranges = this.getRanges();
if (!references) {
if (ranges.length !== 0) {
this.raiseError(`Expected ${ranges.length} rename locations; got none.`);
}
return;
}
if (ranges.length !== references.length) {
this.raiseError("Rename location count does not match result.\n\nExpected: " + JSON.stringify(ranges) + "\n\nActual:" + JSON.stringify(references));
}
ranges = ranges.sort((r1, r2) => r1.start - r2.start);
references = references.sort((r1, r2) => r1.textSpan.start - r2.textSpan.start);
for (let i = 0, n = ranges.length; i < n; i++) {
const reference = references[i];
const range = ranges[i];
if (reference.textSpan.start !== range.start ||
ts.textSpanEnd(reference.textSpan) !== range.end) {
this.raiseError("Rename location results do not match.\n\nExpected: " + JSON.stringify(ranges) + "\n\nActual:" + JSON.stringify(references));
}
}
}
else {
this.raiseError("Expected rename to succeed, but it actually failed.");
}
}
public verifyQuickInfoExists(negative: boolean) {
const actualQuickInfo = this.languageService.getQuickInfoAtPosition(this.activeFile.fileName, this.currentCaretPosition);
if (negative) {
if (actualQuickInfo) {
this.raiseError("verifyQuickInfoExists failed. Expected quick info NOT to exist");
}
}
else {
if (!actualQuickInfo) {
this.raiseError("verifyQuickInfoExists failed. Expected quick info to exist");
}
}
}
public verifyCurrentSignatureHelpIs(expected: string) {
const help = this.getActiveSignatureHelpItem();
assert.equal(
ts.displayPartsToString(help.prefixDisplayParts) +
help.parameters.map(p => ts.displayPartsToString(p.displayParts)).join(ts.displayPartsToString(help.separatorDisplayParts)) +
ts.displayPartsToString(help.suffixDisplayParts), expected);
}
public verifyCurrentParameterIsletiable(isVariable: boolean) {
const signature = this.getActiveSignatureHelpItem();
assert.isNotNull(signature);
assert.equal(isVariable, signature.isVariadic);
}
public verifyCurrentParameterHelpName(name: string) {
const activeParameter = this.getActiveParameter();
const activeParameterName = activeParameter.name;
assert.equal(activeParameterName, name);
}
public verifyCurrentParameterSpanIs(parameter: string) {
const activeParameter = this.getActiveParameter();
assert.equal(ts.displayPartsToString(activeParameter.displayParts), parameter);
}
public verifyCurrentParameterHelpDocComment(docComment: string) {
const activeParameter = this.getActiveParameter();
const activeParameterDocComment = activeParameter.documentation;
assert.equal(ts.displayPartsToString(activeParameterDocComment), docComment, this.assertionMessageAtLastKnownMarker("current parameter Help DocComment"));
}
public verifyCurrentSignatureHelpParameterCount(expectedCount: number) {
assert.equal(this.getActiveSignatureHelpItem().parameters.length, expectedCount);
}
public verifyCurrentSignatureHelpDocComment(docComment: string) {
const actualDocComment = this.getActiveSignatureHelpItem().documentation;
assert.equal(ts.displayPartsToString(actualDocComment), docComment, this.assertionMessageAtLastKnownMarker("current signature help doc comment"));
}
public verifySignatureHelpCount(expected: number) {
const help = this.languageService.getSignatureHelpItems(this.activeFile.fileName, this.currentCaretPosition);
const actual = help && help.items ? help.items.length : 0;
assert.equal(actual, expected);
}
public verifySignatureHelpArgumentCount(expected: number) {
const signatureHelpItems = this.languageService.getSignatureHelpItems(this.activeFile.fileName, this.currentCaretPosition);
const actual = signatureHelpItems.argumentCount;
assert.equal(actual, expected);
}
public verifySignatureHelpPresent(shouldBePresent = true) {
const actual = this.languageService.getSignatureHelpItems(this.activeFile.fileName, this.currentCaretPosition);
if (shouldBePresent) {
if (!actual) {
this.raiseError("Expected signature help to be present, but it wasn't");
}
}
else {
if (actual) {
this.raiseError(`Expected no signature help, but got "${JSON.stringify(actual)}"`);
}
}
}
private validate(name: string, expected: string, actual: string) {
if (expected && expected !== actual) {
this.raiseError("Expected " + name + " '" + expected + "'. Got '" + actual + "' instead.");
}
}
public verifyRenameInfoSucceeded(displayName?: string, fullDisplayName?: string, kind?: string, kindModifiers?: string) {
const renameInfo = this.languageService.getRenameInfo(this.activeFile.fileName, this.currentCaretPosition);
if (!renameInfo.canRename) {
this.raiseError("Rename did not succeed");
}
this.validate("displayName", displayName, renameInfo.displayName);
this.validate("fullDisplayName", fullDisplayName, renameInfo.fullDisplayName);
this.validate("kind", kind, renameInfo.kind);
this.validate("kindModifiers", kindModifiers, renameInfo.kindModifiers);
if (this.getRanges().length !== 1) {
this.raiseError("Expected a single range to be selected in the test file.");
}
const expectedRange = this.getRanges()[0];
if (renameInfo.triggerSpan.start !== expectedRange.start ||
ts.textSpanEnd(renameInfo.triggerSpan) !== expectedRange.end) {