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commandLineParsing.ts
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/// <reference path="..\harness.ts" />
/// <reference path="..\..\compiler\commandLineParser.ts" />
namespace ts {
describe("parseCommandLine", () => {
function assertParseResult(commandLine: string[], expectedParsedCommandLine: ts.ParsedCommandLine) {
const parsed = ts.parseCommandLine(commandLine);
const parsedCompilerOptions = JSON.stringify(parsed.options);
const expectedCompilerOptions = JSON.stringify(expectedParsedCommandLine.options);
assert.equal(parsedCompilerOptions, expectedCompilerOptions);
const parsedErrors = parsed.errors;
const expectedErrors = expectedParsedCommandLine.errors;
assert.isTrue(parsedErrors.length === expectedErrors.length, `Expected error: ${JSON.stringify(expectedErrors)}. Actual error: ${JSON.stringify(parsedErrors)}.`);
for (let i = 0; i < parsedErrors.length; i++) {
const parsedError = parsedErrors[i];
const expectedError = expectedErrors[i];
assert.equal(parsedError.code, expectedError.code);
assert.equal(parsedError.category, expectedError.category);
assert.equal(parsedError.messageText, expectedError.messageText);
}
const parsedFileNames = parsed.fileNames;
const expectedFileNames = expectedParsedCommandLine.fileNames;
assert.isTrue(parsedFileNames.length === expectedFileNames.length, `Expected fileNames: [${JSON.stringify(expectedFileNames)}]. Actual fileNames: [${JSON.stringify(parsedFileNames)}].`);
for (let i = 0; i < parsedFileNames.length; i++) {
const parsedFileName = parsedFileNames[i];
const expectedFileName = expectedFileNames[i];
assert.equal(parsedFileName, expectedFileName);
}
}
it("Parse single option of library flag ", () => {
// --lib es6 0.ts
assertParseResult(["--lib", "es6", "0.ts"],
{
errors: [],
fileNames: ["0.ts"],
options: {
lib: ["lib.es2015.d.ts"]
}
});
});
it("Parse multiple options of library flags ", () => {
// --lib es5,es2015.symbol.wellknown 0.ts
assertParseResult(["--lib", "es5,es2015.symbol.wellknown", "0.ts"],
{
errors: [],
fileNames: ["0.ts"],
options: {
lib: ["lib.es5.d.ts", "lib.es2015.symbol.wellknown.d.ts"]
}
});
});
it("Parse invalid option of library flags ", () => {
// --lib es5,invalidOption 0.ts
assertParseResult(["--lib", "es5,invalidOption", "0.ts"],
{
errors: [{
messageText: "Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'dom', 'dom.iterable', 'webworker', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2017.object', 'es2017.sharedmemory', 'es2017.string'",
category: ts.Diagnostics.Argument_for_0_option_must_be_Colon_1.category,
code: ts.Diagnostics.Argument_for_0_option_must_be_Colon_1.code,
file: undefined,
start: undefined,
length: undefined,
}],
fileNames: ["0.ts"],
options: {
lib: ["lib.es5.d.ts"]
}
});
});
it("Parse empty options of --jsx ", () => {
// 0.ts --jsx
assertParseResult(["0.ts", "--jsx"],
{
errors: [{
messageText: "Compiler option 'jsx' expects an argument.",
category: ts.Diagnostics.Compiler_option_0_expects_an_argument.category,
code: ts.Diagnostics.Compiler_option_0_expects_an_argument.code,
file: undefined,
start: undefined,
length: undefined,
}, {
messageText: "Argument for '--jsx' option must be: 'preserve', 'react-native', 'react'",
category: ts.Diagnostics.Argument_for_0_option_must_be_Colon_1.category,
code: ts.Diagnostics.Argument_for_0_option_must_be_Colon_1.code,
file: undefined,
start: undefined,
length: undefined,
}],
fileNames: ["0.ts"],
options: {}
});
});
it("Parse empty options of --module ", () => {
// 0.ts --
assertParseResult(["0.ts", "--module"],
{
errors: [{
messageText: "Compiler option 'module' expects an argument.",
category: ts.Diagnostics.Compiler_option_0_expects_an_argument.category,
code: ts.Diagnostics.Compiler_option_0_expects_an_argument.code,
file: undefined,
start: undefined,
length: undefined,
}, {
messageText: "Argument for '--module' option must be: 'none', 'commonjs', 'amd', 'system', 'umd', 'es6', 'es2015'",
category: ts.Diagnostics.Argument_for_0_option_must_be_Colon_1.category,
code: ts.Diagnostics.Argument_for_0_option_must_be_Colon_1.code,
file: undefined,
start: undefined,
length: undefined,
}],
fileNames: ["0.ts"],
options: {}
});
});
it("Parse empty options of --newLine ", () => {
// 0.ts --newLine
assertParseResult(["0.ts", "--newLine"],
{
errors: [{
messageText: "Compiler option 'newLine' expects an argument.",
category: ts.Diagnostics.Compiler_option_0_expects_an_argument.category,
code: ts.Diagnostics.Compiler_option_0_expects_an_argument.code,
file: undefined,
start: undefined,
length: undefined,
}, {
messageText: "Argument for '--newLine' option must be: 'crlf', 'lf'",
category: ts.Diagnostics.Argument_for_0_option_must_be_Colon_1.category,
code: ts.Diagnostics.Argument_for_0_option_must_be_Colon_1.code,
file: undefined,
start: undefined,
length: undefined,
}],
fileNames: ["0.ts"],
options: {}
});
});
it("Parse empty options of --target ", () => {
// 0.ts --target
assertParseResult(["0.ts", "--target"],
{
errors: [{
messageText: "Compiler option 'target' expects an argument.",
category: ts.Diagnostics.Compiler_option_0_expects_an_argument.category,
code: ts.Diagnostics.Compiler_option_0_expects_an_argument.code,
file: undefined,
start: undefined,
length: undefined,
}, {
messageText: "Argument for '--target' option must be: 'es3', 'es5', 'es6', 'es2015', 'es2016', 'es2017', 'esnext'",
category: ts.Diagnostics.Argument_for_0_option_must_be_Colon_1.category,
code: ts.Diagnostics.Argument_for_0_option_must_be_Colon_1.code,
file: undefined,
start: undefined,
length: undefined,
}],
fileNames: ["0.ts"],
options: {}
});
});
it("Parse empty options of --moduleResolution ", () => {
// 0.ts --moduleResolution
assertParseResult(["0.ts", "--moduleResolution"],
{
errors: [{
messageText: "Compiler option 'moduleResolution' expects an argument.",
category: ts.Diagnostics.Compiler_option_0_expects_an_argument.category,
code: ts.Diagnostics.Compiler_option_0_expects_an_argument.code,
file: undefined,
start: undefined,
length: undefined,
}, {
messageText: "Argument for '--moduleResolution' option must be: 'node', 'classic'",
category: ts.Diagnostics.Argument_for_0_option_must_be_Colon_1.category,
code: ts.Diagnostics.Argument_for_0_option_must_be_Colon_1.code,
file: undefined,
start: undefined,
length: undefined,
}],
fileNames: ["0.ts"],
options: {}
});
});
it("Parse empty options of --lib ", () => {
// 0.ts --lib
assertParseResult(["0.ts", "--lib"],
{
errors: [{
messageText: "Compiler option 'lib' expects an argument.",
category: ts.Diagnostics.Compiler_option_0_expects_an_argument.category,
code: ts.Diagnostics.Compiler_option_0_expects_an_argument.code,
file: undefined,
start: undefined,
length: undefined,
}],
fileNames: ["0.ts"],
options: {
lib: []
}
});
});
it("Parse empty string of --lib ", () => {
// 0.ts --lib
// This test is an error because the empty string is falsey
assertParseResult(["0.ts", "--lib", ""],
{
errors: [{
messageText: "Compiler option 'lib' expects an argument.",
category: ts.Diagnostics.Compiler_option_0_expects_an_argument.category,
code: ts.Diagnostics.Compiler_option_0_expects_an_argument.code,
file: undefined,
start: undefined,
length: undefined,
}],
fileNames: ["0.ts"],
options: {
lib: []
}
});
});
it("Parse immediately following command line argument of --lib ", () => {
// 0.ts --lib
assertParseResult(["0.ts", "--lib", "--sourcemap"],
{
errors: [],
fileNames: ["0.ts"],
options: {
lib: [],
sourceMap: true
}
});
});
it("Parse --lib option with extra comma ", () => {
// --lib es5, es7 0.ts
assertParseResult(["--lib", "es5,", "es7", "0.ts"],
{
errors: [{
messageText: "Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'dom', 'dom.iterable', 'webworker', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2017.object', 'es2017.sharedmemory', 'es2017.string'",
category: ts.Diagnostics.Argument_for_0_option_must_be_Colon_1.category,
code: ts.Diagnostics.Argument_for_0_option_must_be_Colon_1.code,
file: undefined,
start: undefined,
length: undefined,
}],
fileNames: ["es7", "0.ts"],
options: {
lib: ["lib.es5.d.ts"]
}
});
});
it("Parse --lib option with trailing white-space ", () => {
// --lib es5, es7 0.ts
assertParseResult(["--lib", "es5, ", "es7", "0.ts"],
{
errors: [{
messageText: "Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'dom', 'dom.iterable', 'webworker', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2017.object', 'es2017.sharedmemory', 'es2017.string'",
category: ts.Diagnostics.Argument_for_0_option_must_be_Colon_1.category,
code: ts.Diagnostics.Argument_for_0_option_must_be_Colon_1.code,
file: undefined,
start: undefined,
length: undefined,
}],
fileNames: ["es7", "0.ts"],
options: {
lib: ["lib.es5.d.ts"]
}
});
});
it("Parse multiple compiler flags with input files at the end", () => {
// --lib es5,es2015.symbol.wellknown --target es5 0.ts
assertParseResult(["--lib", "es5,es2015.symbol.wellknown", "--target", "es5", "0.ts"],
{
errors: [],
fileNames: ["0.ts"],
options: {
lib: ["lib.es5.d.ts", "lib.es2015.symbol.wellknown.d.ts"],
target: ts.ScriptTarget.ES5,
}
});
});
it("Parse multiple compiler flags with input files in the middle", () => {
// --module commonjs --target es5 0.ts --lib es5,es2015.symbol.wellknown
assertParseResult(["--module", "commonjs", "--target", "es5", "0.ts", "--lib", "es5,es2015.symbol.wellknown"],
{
errors: [],
fileNames: ["0.ts"],
options: {
module: ts.ModuleKind.CommonJS,
target: ts.ScriptTarget.ES5,
lib: ["lib.es5.d.ts", "lib.es2015.symbol.wellknown.d.ts"],
}
});
});
it("Parse multiple library compiler flags ", () => {
// --module commonjs --target es5 --lib es5 0.ts --library es2015.array,es2015.symbol.wellknown
assertParseResult(["--module", "commonjs", "--target", "es5", "--lib", "es5", "0.ts", "--lib", "es2015.core, es2015.symbol.wellknown "],
{
errors: [],
fileNames: ["0.ts"],
options: {
module: ts.ModuleKind.CommonJS,
target: ts.ScriptTarget.ES5,
lib: ["lib.es2015.core.d.ts", "lib.es2015.symbol.wellknown.d.ts"],
}
});
});
it("Parse explicit boolean flag value", () => {
assertParseResult(["--strictNullChecks", "false", "0.ts"],
{
errors: [],
fileNames: ["0.ts"],
options: {
strictNullChecks: false,
}
});
});
it("Parse non boolean argument after boolean flag", () => {
assertParseResult(["--noImplicitAny", "t", "0.ts"],
{
errors: [],
fileNames: ["t", "0.ts"],
options: {
noImplicitAny: true,
}
});
});
it("Parse implicit boolean flag value", () => {
assertParseResult(["--strictNullChecks"],
{
errors: [],
fileNames: [],
options: {
strictNullChecks: true,
}
});
});
});
}