mirror of
https://github.com/denoland/deno.git
synced 2024-12-04 17:18:23 -05:00
163 lines
3.7 KiB
TypeScript
163 lines
3.7 KiB
TypeScript
|
// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
|
||
|
|
||
|
// Do not add imports in this file in order to be compatible with Node.
|
||
|
|
||
|
export function assertEqual(actual: unknown, expected: unknown, msg?: string) {
|
||
|
if (!equal(actual, expected)) {
|
||
|
let actualString: string;
|
||
|
let expectedString: string;
|
||
|
try {
|
||
|
actualString = String(actual);
|
||
|
} catch (e) {
|
||
|
actualString = "[Cannot display]";
|
||
|
}
|
||
|
try {
|
||
|
expectedString = String(expected);
|
||
|
} catch (e) {
|
||
|
expectedString = "[Cannot display]";
|
||
|
}
|
||
|
console.error(
|
||
|
"assertEqual failed. actual =",
|
||
|
actualString,
|
||
|
"expected =",
|
||
|
expectedString
|
||
|
);
|
||
|
if (!msg) {
|
||
|
msg = `actual: ${actualString} expected: ${expectedString}`;
|
||
|
}
|
||
|
throw new Error(msg);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
export function assert(expr: boolean, msg = "") {
|
||
|
if (!expr) {
|
||
|
throw new Error(msg);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// TODO(ry) Use unknown here for parameters types.
|
||
|
// tslint:disable-next-line:no-any
|
||
|
export function equal(c: any, d: any): boolean {
|
||
|
const seen = new Map();
|
||
|
return (function compare(a, b) {
|
||
|
if (Object.is(a, b)) {
|
||
|
return true;
|
||
|
}
|
||
|
if (a && typeof a === "object" && b && typeof b === "object") {
|
||
|
if (seen.get(a) === b) {
|
||
|
return true;
|
||
|
}
|
||
|
if (Object.keys(a).length !== Object.keys(b).length) {
|
||
|
return false;
|
||
|
}
|
||
|
for (const key in { ...a, ...b }) {
|
||
|
if (!compare(a[key], b[key])) {
|
||
|
return false;
|
||
|
}
|
||
|
}
|
||
|
seen.set(a, b);
|
||
|
return true;
|
||
|
}
|
||
|
return false;
|
||
|
})(c, d);
|
||
|
}
|
||
|
|
||
|
export type TestFunction = () => void | Promise<void>;
|
||
|
|
||
|
export interface TestDefinition {
|
||
|
fn: TestFunction;
|
||
|
name: string;
|
||
|
}
|
||
|
|
||
|
export const exitOnFail = true;
|
||
|
|
||
|
let filterRegExp: RegExp | null;
|
||
|
const tests: TestDefinition[] = [];
|
||
|
|
||
|
let filtered = 0;
|
||
|
const ignored = 0;
|
||
|
const measured = 0;
|
||
|
|
||
|
// Must be called before any test() that needs to be filtered.
|
||
|
export function setFilter(s: string): void {
|
||
|
filterRegExp = new RegExp(s, "i");
|
||
|
}
|
||
|
|
||
|
export function test(t: TestDefinition | TestFunction): void {
|
||
|
const fn: TestFunction = typeof t === "function" ? t : t.fn;
|
||
|
const name: string = t.name;
|
||
|
|
||
|
if (!name) {
|
||
|
throw new Error("Test function may not be anonymous");
|
||
|
}
|
||
|
if (filter(name)) {
|
||
|
tests.push({ fn, name });
|
||
|
} else {
|
||
|
filtered++;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
function filter(name: string): boolean {
|
||
|
if (filterRegExp) {
|
||
|
return filterRegExp.test(name);
|
||
|
} else {
|
||
|
return true;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
const RESET = "\x1b[0m";
|
||
|
const FG_RED = "\x1b[31m";
|
||
|
const FG_GREEN = "\x1b[32m";
|
||
|
|
||
|
function red_failed() {
|
||
|
return FG_RED + "FAILED" + RESET;
|
||
|
}
|
||
|
|
||
|
function green_ok() {
|
||
|
return FG_GREEN + "ok" + RESET;
|
||
|
}
|
||
|
|
||
|
async function runTests() {
|
||
|
let passed = 0;
|
||
|
let failed = 0;
|
||
|
|
||
|
console.log("running", tests.length, "tests");
|
||
|
for (let i = 0; i < tests.length; i++) {
|
||
|
const { fn, name } = tests[i];
|
||
|
let result = green_ok();
|
||
|
console.log("test", name);
|
||
|
try {
|
||
|
await fn();
|
||
|
passed++;
|
||
|
} catch (e) {
|
||
|
result = red_failed();
|
||
|
console.error((e && e.stack) || e);
|
||
|
failed++;
|
||
|
if (exitOnFail) {
|
||
|
break;
|
||
|
}
|
||
|
}
|
||
|
// TODO Do this on the same line as test name is printed.
|
||
|
console.log("...", result);
|
||
|
}
|
||
|
|
||
|
// Attempting to match the output of Rust's test runner.
|
||
|
const result = failed > 0 ? red_failed() : green_ok();
|
||
|
console.log(
|
||
|
`\ntest result: ${result}. ${passed} passed; ${failed} failed; ` +
|
||
|
`${ignored} ignored; ${measured} measured; ${filtered} filtered out\n`
|
||
|
);
|
||
|
|
||
|
if (failed === 0) {
|
||
|
// All good.
|
||
|
} else {
|
||
|
// Use setTimeout to avoid the error being ignored due to unhandled
|
||
|
// promise rejections being swallowed.
|
||
|
setTimeout(() => {
|
||
|
throw new Error(`There were ${failed} test failures.`);
|
||
|
}, 0);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
setTimeout(runTests, 0);
|