2015-08-04 02:42:29 +02:00
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/// <reference path="..\..\..\src\harness\harness.ts" />
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module ts {
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interface File {
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name: string;
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content: string;
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}
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function createDefaultServerHost(fileMap: Map<File>): server.ServerHost {
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return {
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args: <string[]>[],
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newLine: "\r\n",
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useCaseSensitiveFileNames: false,
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write: (s: string) => {
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},
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readFile: (path: string, encoding?: string): string => {
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return hasProperty(fileMap, path) && fileMap[path].content;
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},
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writeFile: (path: string, data: string, writeByteOrderMark?: boolean) => {
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throw new Error("NYI");
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},
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resolvePath: (path: string): string => {
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throw new Error("NYI");
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},
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fileExists: (path: string): boolean => {
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return hasProperty(fileMap, path);
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},
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directoryExists: (path: string): boolean => {
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throw new Error("NYI");
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},
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createDirectory: (path: string) => {
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},
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getExecutingFilePath: (): string => {
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return "";
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},
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getCurrentDirectory: (): string => {
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return "";
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},
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readDirectory: (path: string, extension?: string, exclude?: string[]): string[] => {
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throw new Error("NYI");
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},
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exit: (exitCode?: number) => {
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},
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watchFile: (path, callback) => {
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return {
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close: () => { }
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}
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2015-10-06 22:10:03 +02:00
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},
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watchDirectory: (path, callback, recursive?) => {
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return {
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close: () => { }
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}
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2015-08-04 02:42:29 +02:00
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}
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};
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}
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function createProject(rootFile: string, serverHost: server.ServerHost): { project: server.Project, rootScriptInfo: server.ScriptInfo } {
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let logger: server.Logger = {
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close() { },
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isVerbose: () => false,
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loggingEnabled: () => false,
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perftrc: (s: string) => { },
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info: (s: string) => { },
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startGroup: () => { },
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endGroup: () => { },
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msg: (s: string, type?: string) => { }
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};
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let projectService = new server.ProjectService(serverHost, logger);
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let rootScriptInfo = projectService.openFile(rootFile, /* openedByClient */true);
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let project = projectService.createInferredProject(rootScriptInfo);
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project.setProjectOptions( {files: [rootScriptInfo.fileName], compilerOptions: {module: ts.ModuleKind.AMD} } );
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return {
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project,
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rootScriptInfo
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};
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}
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describe("Caching in LSHost", () => {
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it("works using legacy resolution logic", () => {
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let root: File = {
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name: "c:/d/f0.ts",
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content: `import {x} from "f1"`
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};
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let imported: File = {
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name: "c:/f1.ts",
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content: `foo()`
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};
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let serverHost = createDefaultServerHost({ [root.name]: root, [imported.name]: imported });
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let { project, rootScriptInfo } = createProject(root.name, serverHost);
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// ensure that imported file was found
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let diags = project.compilerService.languageService.getSemanticDiagnostics(imported.name);
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assert.equal(diags.length, 1);
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let originalFileExists = serverHost.fileExists;
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{
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// patch fileExists to make sure that disk is not touched
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serverHost.fileExists = (fileName): boolean => {
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assert.isTrue(false, "fileExists should not be called");
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return false;
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};
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let newContent = `import {x} from "f1"
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var x: string = 1;`;
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rootScriptInfo.editContent(0, rootScriptInfo.content.length, newContent);
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// trigger synchronization to make sure that import will be fetched from the cache
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diags = project.compilerService.languageService.getSemanticDiagnostics(imported.name);
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// ensure file has correct number of errors after edit
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assert.equal(diags.length, 1);
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}
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{
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let fileExistsIsCalled = false;
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serverHost.fileExists = (fileName): boolean => {
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if (fileName === "lib.d.ts") {
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return false;
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}
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fileExistsIsCalled = true;
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assert.isTrue(fileName.indexOf('/f2.') !== -1);
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return originalFileExists(fileName);
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};
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let newContent = `import {x} from "f2"`;
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rootScriptInfo.editContent(0, rootScriptInfo.content.length, newContent);
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try {
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// trigger synchronization to make sure that LSHost will try to find 'f2' module on disk
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project.compilerService.languageService.getSemanticDiagnostics(imported.name);
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assert.isTrue(false, `should not find file '${imported.name}'`)
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}
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catch(e) {
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assert.isTrue(e.message.indexOf(`Could not find file: '${imported.name}'.`) === 0);
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}
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assert.isTrue(fileExistsIsCalled);
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}
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{
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let fileExistsCalled = false;
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serverHost.fileExists = (fileName): boolean => {
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if (fileName === "lib.d.ts") {
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return false;
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}
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fileExistsCalled = true;
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assert.isTrue(fileName.indexOf('/f1.') !== -1);
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return originalFileExists(fileName);
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};
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let newContent = `import {x} from "f1"`;
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rootScriptInfo.editContent(0, rootScriptInfo.content.length, newContent);
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project.compilerService.languageService.getSemanticDiagnostics(imported.name);
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assert.isTrue(fileExistsCalled);
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// setting compiler options discards module resolution cache
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fileExistsCalled = false;
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let opts = ts.clone(project.projectOptions);
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opts.compilerOptions = ts.clone(opts.compilerOptions);
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opts.compilerOptions.target = ts.ScriptTarget.ES5;
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project.setProjectOptions(opts);
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project.compilerService.languageService.getSemanticDiagnostics(imported.name);
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assert.isTrue(fileExistsCalled);
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}
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});
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it("loads missing files from disk", () => {
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let root: File = {
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name: 'c:/foo.ts',
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content: `import {x} from "bar"`
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};
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let imported: File = {
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name: 'c:/bar.d.ts',
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content: `export var y = 1`
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};
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let fileMap: Map<File> = { [root.name]: root };
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let serverHost = createDefaultServerHost(fileMap);
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let originalFileExists = serverHost.fileExists;
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let fileExistsCalledForBar = false;
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serverHost.fileExists = fileName => {
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if (fileName === "lib.d.ts") {
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return false;
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}
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if (!fileExistsCalledForBar) {
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fileExistsCalledForBar = fileName.indexOf("/bar.") !== -1;
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}
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return originalFileExists(fileName);
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};
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let { project, rootScriptInfo } = createProject(root.name, serverHost);
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let diags = project.compilerService.languageService.getSemanticDiagnostics(root.name);
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assert.isTrue(fileExistsCalledForBar, "'fileExists' should be called");
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assert.isTrue(diags.length === 1, "one diagnostic expected");
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assert.isTrue(typeof diags[0].messageText === "string" && ((<string>diags[0].messageText).indexOf("Cannot find module") === 0), "should be 'cannot find module' message");
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// assert that import will success once file appear on disk
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fileMap[imported.name] = imported;
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fileExistsCalledForBar = false;
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rootScriptInfo.editContent(0, rootScriptInfo.content.length, `import {y} from "bar"`)
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diags = project.compilerService.languageService.getSemanticDiagnostics(root.name);
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assert.isTrue(fileExistsCalledForBar, "'fileExists' should be called");
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assert.isTrue(diags.length === 0);
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})
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});
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}
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