diff options
author | Casper Beyer <caspervonb@pm.me> | 2021-02-02 19:05:46 +0800 |
---|---|---|
committer | GitHub <noreply@github.com> | 2021-02-02 12:05:46 +0100 |
commit | 6abf126c2a7a451cded8c6b5e6ddf1b69c84055d (patch) | |
tree | fd94c013a19fcb38954844085821ec1601c20e18 /std/node/_util/_util_callbackify_test.ts | |
parent | a2b5d44f1aa9d64f448a2a3cc2001272e2f60b98 (diff) |
chore: remove std directory (#9361)
This removes the std folder from the tree.
Various parts of the tests are pretty tightly dependent
on std (47 direct imports and 75 indirect imports, not
counting the cli tests that use them as fixtures) so I've
added std as a submodule for now.
Diffstat (limited to 'std/node/_util/_util_callbackify_test.ts')
-rw-r--r-- | std/node/_util/_util_callbackify_test.ts | 390 |
1 files changed, 0 insertions, 390 deletions
diff --git a/std/node/_util/_util_callbackify_test.ts b/std/node/_util/_util_callbackify_test.ts deleted file mode 100644 index 9e5281409..000000000 --- a/std/node/_util/_util_callbackify_test.ts +++ /dev/null @@ -1,390 +0,0 @@ -// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license. -// -// Adapted from Node.js. Copyright Joyent, Inc. and other Node contributors. -// -// Permission is hereby granted, free of charge, to any person obtaining a -// copy of this software and associated documentation files (the -// "Software"), to deal in the Software without restriction, including -// without limitation the rights to use, copy, modify, merge, publish, -// distribute, sublicense, and/or sell copies of the Software, and to permit -// persons to whom the Software is furnished to do so, subject to the -// following conditions: -// -// The above copyright notice and this permission notice shall be included -// in all copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS -// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN -// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, -// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR -// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE -// USE OR OTHER DEALINGS IN THE SOFTWARE. -import { assert, assertStrictEquals } from "../../testing/asserts.ts"; -import { callbackify } from "./_util_callbackify.ts"; - -const values = [ - "hello world", - null, - undefined, - false, - 0, - {}, - { key: "value" }, - Symbol("I am a symbol"), - function ok(): void {}, - ["array", "with", 4, "values"], - new Error("boo"), -]; - -class TestQueue { - #waitingPromise: Promise<void>; - #resolve?: () => void; - #reject?: (err: unknown) => void; - #queueSize = 0; - - constructor() { - this.#waitingPromise = new Promise((resolve, reject) => { - this.#resolve = resolve; - this.#reject = reject; - }); - } - - enqueue(fn: (done: () => void) => void): void { - this.#queueSize++; - try { - fn(() => { - this.#queueSize--; - if (this.#queueSize === 0) { - assert( - this.#resolve, - "Test setup error; async queue is missing #resolve", - ); - this.#resolve(); - } - }); - } catch (err) { - assert(this.#reject, "Test setup error; async queue is missing #reject"); - this.#reject(err); - } - } - - waitForCompletion(): Promise<void> { - return this.#waitingPromise; - } -} - -Deno.test( - "callbackify passes the resolution value as the second argument to the callback", - async () => { - const testQueue = new TestQueue(); - - for (const value of values) { - // deno-lint-ignore require-await - const asyncFn = async (): Promise<typeof value> => { - return value; - }; - const cbAsyncFn = callbackify(asyncFn); - testQueue.enqueue((done) => { - cbAsyncFn((err: unknown, ret: unknown) => { - assertStrictEquals(err, null); - assertStrictEquals(ret, value); - done(); - }); - }); - - const promiseFn = (): Promise<typeof value> => { - return Promise.resolve(value); - }; - const cbPromiseFn = callbackify(promiseFn); - testQueue.enqueue((done) => { - cbPromiseFn((err: unknown, ret: unknown) => { - assertStrictEquals(err, null); - assertStrictEquals(ret, value); - done(); - }); - }); - - // deno-lint-ignore no-explicit-any - const thenableFn = (): PromiseLike<any> => { - return { - // deno-lint-ignore no-explicit-any - then(onfulfilled): PromiseLike<any> { - assert(onfulfilled); - onfulfilled(value); - return this; - }, - }; - }; - const cbThenableFn = callbackify(thenableFn); - testQueue.enqueue((done) => { - cbThenableFn((err: unknown, ret: unknown) => { - assertStrictEquals(err, null); - assertStrictEquals(ret, value); - done(); - }); - }); - } - - await testQueue.waitForCompletion(); - }, -); - -Deno.test( - "callbackify passes the rejection value as the first argument to the callback", - async () => { - const testQueue = new TestQueue(); - - for (const value of values) { - // deno-lint-ignore require-await - const asyncFn = async (): Promise<never> => { - return Promise.reject(value); - }; - const cbAsyncFn = callbackify(asyncFn); - assertStrictEquals(cbAsyncFn.length, 1); - assertStrictEquals(cbAsyncFn.name, "asyncFnCallbackified"); - testQueue.enqueue((done) => { - cbAsyncFn((err: unknown, ret: unknown) => { - assertStrictEquals(ret, undefined); - if (err instanceof Error) { - if ("reason" in err) { - assert(!value); - assertStrictEquals( - // deno-lint-ignore no-explicit-any - (err as any).code, - "ERR_FALSY_VALUE_REJECTION", - ); - // deno-lint-ignore no-explicit-any - assertStrictEquals((err as any).reason, value); - } else { - assertStrictEquals(String(value).endsWith(err.message), true); - } - } else { - assertStrictEquals(err, value); - } - done(); - }); - }); - - const promiseFn = (): Promise<never> => { - return Promise.reject(value); - }; - const obj = {}; - Object.defineProperty(promiseFn, "name", { - value: obj, - writable: false, - enumerable: false, - configurable: true, - }); - - const cbPromiseFn = callbackify(promiseFn); - assertStrictEquals(promiseFn.name, obj); - testQueue.enqueue((done) => { - cbPromiseFn((err: unknown, ret: unknown) => { - assertStrictEquals(ret, undefined); - if (err instanceof Error) { - if ("reason" in err) { - assert(!value); - assertStrictEquals( - // deno-lint-ignore no-explicit-any - (err as any).code, - "ERR_FALSY_VALUE_REJECTION", - ); - // deno-lint-ignore no-explicit-any - assertStrictEquals((err as any).reason, value); - } else { - assertStrictEquals(String(value).endsWith(err.message), true); - } - } else { - assertStrictEquals(err, value); - } - done(); - }); - }); - - const thenableFn = (): PromiseLike<never> => { - return { - then(onfulfilled, onrejected): PromiseLike<never> { - assert(onrejected); - onrejected(value); - return this; - }, - }; - }; - - const cbThenableFn = callbackify(thenableFn); - testQueue.enqueue((done) => { - cbThenableFn((err: unknown, ret: unknown) => { - assertStrictEquals(ret, undefined); - if (err instanceof Error) { - if ("reason" in err) { - assert(!value); - assertStrictEquals( - // deno-lint-ignore no-explicit-any - (err as any).code, - "ERR_FALSY_VALUE_REJECTION", - ); - // deno-lint-ignore no-explicit-any - assertStrictEquals((err as any).reason, value); - } else { - assertStrictEquals(String(value).endsWith(err.message), true); - } - } else { - assertStrictEquals(err, value); - } - done(); - }); - }); - } - - await testQueue.waitForCompletion(); - }, -); - -Deno.test("callbackify passes arguments to the original", async () => { - const testQueue = new TestQueue(); - - for (const value of values) { - // deno-lint-ignore require-await - const asyncFn = async (arg: typeof value): Promise<typeof value> => { - assertStrictEquals(arg, value); - return arg; - }; - - const cbAsyncFn = callbackify(asyncFn); - assertStrictEquals(cbAsyncFn.length, 2); - assert(Object.getPrototypeOf(cbAsyncFn) !== Object.getPrototypeOf(asyncFn)); - assertStrictEquals(Object.getPrototypeOf(cbAsyncFn), Function.prototype); - testQueue.enqueue((done) => { - cbAsyncFn(value, (err: unknown, ret: unknown) => { - assertStrictEquals(err, null); - assertStrictEquals(ret, value); - done(); - }); - }); - - const promiseFn = <T>(arg: typeof value): Promise<typeof value> => { - assertStrictEquals(arg, value); - return Promise.resolve(arg); - }; - const obj = {}; - Object.defineProperty(promiseFn, "length", { - value: obj, - writable: false, - enumerable: false, - configurable: true, - }); - - const cbPromiseFn = callbackify(promiseFn); - assertStrictEquals(promiseFn.length, obj); - testQueue.enqueue((done) => { - cbPromiseFn(value, (err: unknown, ret: unknown) => { - assertStrictEquals(err, null); - assertStrictEquals(ret, value); - done(); - }); - }); - } - - await testQueue.waitForCompletion(); -}); - -Deno.test("callbackify preserves the `this` binding", async () => { - const testQueue = new TestQueue(); - - for (const value of values) { - const objectWithSyncFunction = { - fn(this: unknown, arg: typeof value): Promise<typeof value> { - assertStrictEquals(this, objectWithSyncFunction); - return Promise.resolve(arg); - }, - }; - const cbSyncFunction = callbackify(objectWithSyncFunction.fn); - testQueue.enqueue((done) => { - cbSyncFunction.call(objectWithSyncFunction, value, function ( - this: unknown, - err: unknown, - ret: unknown, - ) { - assertStrictEquals(err, null); - assertStrictEquals(ret, value); - assertStrictEquals(this, objectWithSyncFunction); - done(); - }); - }); - - const objectWithAsyncFunction = { - // deno-lint-ignore require-await - async fn(this: unknown, arg: typeof value): Promise<typeof value> { - assertStrictEquals(this, objectWithAsyncFunction); - return arg; - }, - }; - const cbAsyncFunction = callbackify(objectWithAsyncFunction.fn); - testQueue.enqueue((done) => { - cbAsyncFunction.call(objectWithAsyncFunction, value, function ( - this: unknown, - err: unknown, - ret: unknown, - ) { - assertStrictEquals(err, null); - assertStrictEquals(ret, value); - assertStrictEquals(this, objectWithAsyncFunction); - done(); - }); - }); - } - - await testQueue.waitForCompletion(); -}); - -Deno.test("callbackify throws with non-function inputs", () => { - ["foo", null, undefined, false, 0, {}, Symbol(), []].forEach((value) => { - try { - // deno-lint-ignore no-explicit-any - callbackify(value as any); - throw Error("We should never reach this error"); - } catch (err) { - assert(err instanceof TypeError); - // deno-lint-ignore no-explicit-any - assertStrictEquals((err as any).code, "ERR_INVALID_ARG_TYPE"); - assertStrictEquals(err.name, "TypeError"); - assertStrictEquals( - err.message, - 'The "original" argument must be of type function.', - ); - } - }); -}); - -Deno.test( - "callbackify returns a function that throws if the last argument is not a function", - () => { - // deno-lint-ignore require-await - async function asyncFn(): Promise<number> { - return 42; - } - - // deno-lint-ignore no-explicit-any - const cb = callbackify(asyncFn) as any; - const args: unknown[] = []; - - ["foo", null, undefined, false, 0, {}, Symbol(), []].forEach((value) => { - args.push(value); - - try { - cb(...args); - throw Error("We should never reach this error"); - } catch (err) { - assert(err instanceof TypeError); - // deno-lint-ignore no-explicit-any - assertStrictEquals((err as any).code, "ERR_INVALID_ARG_TYPE"); - assertStrictEquals(err.name, "TypeError"); - assertStrictEquals( - err.message, - "The last argument must be of type function.", - ); - } - }); - }, -); |