77 lines
4.1 KiB
TypeScript
77 lines
4.1 KiB
TypeScript
/// <reference path="..\..\..\src\harness\harness.ts" />
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module ts {
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describe("Transpile", () => {
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function runTest(input: string, compilerOptions: ts.CompilerOptions = {}, fileName?: string, moduleName?: string, expectedOutput?: string, expectedDiagnosticCodes: number[] = []): void {
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let diagnostics: Diagnostic[] = [];
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let result = transpile(input, compilerOptions, fileName || "file.ts", diagnostics, moduleName);
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for (let i = 0; i < expectedDiagnosticCodes.length; i++) {
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assert.equal(expectedDiagnosticCodes[i], diagnostics[i] && diagnostics[i].code, `Could not find expeced diagnostic.`);
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}
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assert.equal(diagnostics.length, expectedDiagnosticCodes.length, "Resuting diagnostics count does not match expected");
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if (expectedOutput !== undefined) {
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assert.equal(result, expectedOutput);
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}
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}
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it("Generates correct compilerOptions diagnostics", () => {
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// Expecting 5047: "Option 'isolatedModules' can only be used when either option'--module' is provided or option 'target' is 'ES6' or higher."
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runTest(`var x = 0;`, {}, /*fileName*/ undefined, /*moduleName*/undefined, /*expectedOutput*/ undefined, /*expectedDiagnosticCodes*/ [5047]);
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});
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it("Generates no diagnostics with valid inputs", () => {
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// No errors
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runTest(`var x = 0;`, { module: ModuleKind.CommonJS }, /*fileName*/ undefined, /*moduleName*/undefined, /*expectedOutput*/ undefined, /*expectedDiagnosticCodes*/ []);
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});
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it("Generates no diagnostics for missing file references", () => {
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runTest(`/// <reference path="file2.ts" />
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var x = 0;`,
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{ module: ModuleKind.CommonJS }, /*fileName*/ undefined, /*moduleName*/undefined, /*expectedOutput*/ undefined, /*expectedDiagnosticCodes*/ []);
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});
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it("Generates no diagnostics for missing module imports", () => {
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runTest(`import {a} from "module2";`,
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{ module: ModuleKind.CommonJS }, /*fileName*/ undefined,/*moduleName*/undefined, /*expectedOutput*/ undefined, /*expectedDiagnosticCodes*/ []);
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});
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it("Generates expected syntactic diagnostics", () => {
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runTest(`a b`,
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{ module: ModuleKind.CommonJS }, /*fileName*/ undefined, /*moduleName*/undefined, /*expectedOutput*/ undefined, /*expectedDiagnosticCodes*/ [1005]); /// 1005: ';' Expected
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});
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it("Does not generate semantic diagnostics", () => {
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runTest(`var x: string = 0;`,
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{ module: ModuleKind.CommonJS }, /*fileName*/ undefined, /*moduleName*/undefined, /*expectedOutput*/ undefined, /*expectedDiagnosticCodes*/ []);
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});
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it("Generates module output", () => {
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runTest(`var x = 0;`, { module: ModuleKind.AMD }, /*fileName*/ undefined, /*moduleName*/undefined, `define(["require", "exports"], function (require, exports) {\r\n var x = 0;\r\n});\r\n`);
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});
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it("Uses correct newLine character", () => {
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runTest(`var x = 0;`, { module: ModuleKind.CommonJS, newLine: NewLineKind.LineFeed }, /*fileName*/ undefined, /*moduleName*/undefined, `var x = 0;\n`, /*expectedDiagnosticCodes*/ []);
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});
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it("Sets module name", () => {
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let output =
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`System.register("NamedModule", [], function(exports_1) {\n var x;\n` +
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` return {\n` +
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` setters:[],\n` +
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` execute: function() {\n` +
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` var x = 1;\n` +
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` }\n` +
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` }\n` +
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`});\n`;
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runTest("var x = 1;", { module: ModuleKind.System, newLine: NewLineKind.LineFeed }, /*fileName*/ undefined, "NamedModule", output)
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});
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it("No extra errors for file without extension", () => {
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runTest(`var x = 0;`, { module: ModuleKind.CommonJS }, "file", /*moduleName*/undefined, /*expectedOutput*/ undefined, /*expectedDiagnosticCodes*/[]);
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});
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});
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}
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