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feat: implement console.groupCollapsed
This implementation of groupCollapsed is intentionally different from the spec defined by whatwg. See the conversation in #1355 and #1363.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,175 @@ | ||
| /*! | ||
| Copyright 2018 Propel http:https://propel.site/. 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:https://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. | ||
| */ | ||
|
|
||
| // 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); | ||
| } | ||
| } | ||
|
|
||
| export function equal(c: unknown, d: unknown): boolean { | ||
| const seen = new Map(); | ||
| return (function compare(a: unknown, b: unknown) { | ||
| 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; | ||
| } | ||
| const merged = { ...a, ...b }; | ||
| for (const key in merged) { | ||
| type Key = keyof typeof merged; | ||
| if (!compare(a && a[key as Key], b && b[key as 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.groupCollapsed(`test ${name} `); | ||
| try { | ||
| await fn(); | ||
| passed++; | ||
| } catch (e) { | ||
| result = red_failed(); | ||
| console.error((e && e.stack) || e); | ||
| failed++; | ||
| if (exitOnFail) { | ||
| break; | ||
| } | ||
| } | ||
| console.log("...", result); | ||
| console.groupEnd(); | ||
| } | ||
|
|
||
| // 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); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,2 @@ | ||
| args: tests/console_group.ts --reload | ||
| output: tests/console_group.ts.out |
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