mirror of
https://github.com/denoland/deno
synced 2024-10-30 09:48:57 +00:00
f5e46c9bf2
This looks like a massive PR, but it's only a move from cli/tests -> tests, and updates of relative paths for files. This is the first step towards aggregate all of the integration test files under tests/, which will lead to a set of integration tests that can run without the CLI binary being built. While we could leave these tests under `cli`, it would require us to keep a more complex directory structure for the various test runners. In addition, we have a lot of complexity to ignore various test files in the `cli` project itself (cargo publish exclusion rules, autotests = false, etc). And finally, the `tests/` folder will eventually house the `test_ffi`, `test_napi` and other testing code, reducing the size of the root repo directory. For easier review, the extremely large and noisy "move" is in the first commit (with no changes -- just a move), while the remainder of the changes to actual files is in the second commit.
295 lines
7.3 KiB
TypeScript
295 lines
7.3 KiB
TypeScript
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
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// deno-lint-ignore-file no-window-prefix
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import { assertEquals, assertThrows } from "./test_util.ts";
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Deno.test(function addEventListenerTest() {
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const document = new EventTarget();
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assertEquals(document.addEventListener("x", null, false), undefined);
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assertEquals(document.addEventListener("x", null, true), undefined);
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assertEquals(document.addEventListener("x", null), undefined);
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});
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Deno.test(function constructedEventTargetCanBeUsedAsExpected() {
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const target = new EventTarget();
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const event = new Event("foo", { bubbles: true, cancelable: false });
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let callCount = 0;
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const listener = (e: Event) => {
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assertEquals(e, event);
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++callCount;
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};
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target.addEventListener("foo", listener);
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target.dispatchEvent(event);
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assertEquals(callCount, 1);
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target.dispatchEvent(event);
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assertEquals(callCount, 2);
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target.removeEventListener("foo", listener);
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target.dispatchEvent(event);
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assertEquals(callCount, 2);
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});
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Deno.test(function anEventTargetCanBeSubclassed() {
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class NicerEventTarget extends EventTarget {
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on(
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type: string,
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callback: ((e: Event) => void) | null,
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options?: AddEventListenerOptions,
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) {
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this.addEventListener(type, callback, options);
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}
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off(
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type: string,
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callback: ((e: Event) => void) | null,
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options?: EventListenerOptions,
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) {
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this.removeEventListener(type, callback, options);
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}
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}
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const target = new NicerEventTarget();
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new Event("foo", { bubbles: true, cancelable: false });
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let callCount = 0;
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const listener = () => {
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++callCount;
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};
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target.on("foo", listener);
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assertEquals(callCount, 0);
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target.off("foo", listener);
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assertEquals(callCount, 0);
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});
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Deno.test(function removingNullEventListenerShouldSucceed() {
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const document = new EventTarget();
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assertEquals(document.removeEventListener("x", null, false), undefined);
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assertEquals(document.removeEventListener("x", null, true), undefined);
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assertEquals(document.removeEventListener("x", null), undefined);
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});
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Deno.test(function constructedEventTargetUseObjectPrototype() {
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const target = new EventTarget();
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const event = new Event("toString", { bubbles: true, cancelable: false });
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let callCount = 0;
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const listener = (e: Event) => {
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assertEquals(e, event);
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++callCount;
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};
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target.addEventListener("toString", listener);
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target.dispatchEvent(event);
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assertEquals(callCount, 1);
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target.dispatchEvent(event);
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assertEquals(callCount, 2);
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target.removeEventListener("toString", listener);
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target.dispatchEvent(event);
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assertEquals(callCount, 2);
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});
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Deno.test(function toStringShouldBeWebCompatible() {
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const target = new EventTarget();
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assertEquals(target.toString(), "[object EventTarget]");
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});
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Deno.test(function dispatchEventShouldNotThrowError() {
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let hasThrown = false;
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try {
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const target = new EventTarget();
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const event = new Event("hasOwnProperty", {
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bubbles: true,
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cancelable: false,
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});
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const listener = () => {};
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target.addEventListener("hasOwnProperty", listener);
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target.dispatchEvent(event);
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} catch {
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hasThrown = true;
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}
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assertEquals(hasThrown, false);
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});
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Deno.test(function eventTargetThisShouldDefaultToWindow() {
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const {
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addEventListener,
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dispatchEvent,
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removeEventListener,
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} = EventTarget.prototype;
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let n = 1;
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const event = new Event("hello");
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const listener = () => {
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n = 2;
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};
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addEventListener("hello", listener);
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window.dispatchEvent(event);
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assertEquals(n, 2);
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n = 1;
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removeEventListener("hello", listener);
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window.dispatchEvent(event);
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assertEquals(n, 1);
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window.addEventListener("hello", listener);
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dispatchEvent(event);
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assertEquals(n, 2);
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n = 1;
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window.removeEventListener("hello", listener);
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dispatchEvent(event);
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assertEquals(n, 1);
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});
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Deno.test(function eventTargetShouldAcceptEventListenerObject() {
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const target = new EventTarget();
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const event = new Event("foo", { bubbles: true, cancelable: false });
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let callCount = 0;
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const listener = {
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handleEvent(e: Event) {
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assertEquals(e, event);
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++callCount;
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},
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};
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target.addEventListener("foo", listener);
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target.dispatchEvent(event);
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assertEquals(callCount, 1);
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target.dispatchEvent(event);
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assertEquals(callCount, 2);
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target.removeEventListener("foo", listener);
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target.dispatchEvent(event);
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assertEquals(callCount, 2);
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});
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Deno.test(function eventTargetShouldAcceptAsyncFunction() {
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const target = new EventTarget();
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const event = new Event("foo", { bubbles: true, cancelable: false });
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let callCount = 0;
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const listener = (e: Event) => {
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assertEquals(e, event);
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++callCount;
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};
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target.addEventListener("foo", listener);
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target.dispatchEvent(event);
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assertEquals(callCount, 1);
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target.dispatchEvent(event);
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assertEquals(callCount, 2);
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target.removeEventListener("foo", listener);
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target.dispatchEvent(event);
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assertEquals(callCount, 2);
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});
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Deno.test(
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function eventTargetShouldAcceptAsyncFunctionForEventListenerObject() {
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const target = new EventTarget();
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const event = new Event("foo", { bubbles: true, cancelable: false });
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let callCount = 0;
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const listener = {
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handleEvent(e: Event) {
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assertEquals(e, event);
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++callCount;
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},
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};
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target.addEventListener("foo", listener);
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target.dispatchEvent(event);
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assertEquals(callCount, 1);
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target.dispatchEvent(event);
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assertEquals(callCount, 2);
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target.removeEventListener("foo", listener);
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target.dispatchEvent(event);
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assertEquals(callCount, 2);
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},
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);
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Deno.test(function eventTargetDispatchShouldSetTargetNoListener() {
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const target = new EventTarget();
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const event = new Event("foo");
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assertEquals(event.target, null);
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target.dispatchEvent(event);
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assertEquals(event.target, target);
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});
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Deno.test(function eventTargetDispatchShouldSetTargetInListener() {
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const target = new EventTarget();
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const event = new Event("foo");
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assertEquals(event.target, null);
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let called = false;
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target.addEventListener("foo", (e) => {
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assertEquals(e.target, target);
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called = true;
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});
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target.dispatchEvent(event);
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assertEquals(called, true);
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});
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Deno.test(function eventTargetDispatchShouldFireCurrentListenersOnly() {
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const target = new EventTarget();
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const event = new Event("foo");
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let callCount = 0;
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target.addEventListener("foo", () => {
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++callCount;
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target.addEventListener("foo", () => {
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++callCount;
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});
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});
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target.dispatchEvent(event);
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assertEquals(callCount, 1);
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});
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Deno.test(function eventTargetAddEventListenerGlobalAbort() {
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return new Promise((resolve) => {
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const c = new AbortController();
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c.signal.addEventListener("abort", () => resolve());
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addEventListener("test", () => {}, { signal: c.signal });
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c.abort();
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});
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});
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Deno.test(function eventTargetBrandChecking() {
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const self = {};
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assertThrows(
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() => {
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EventTarget.prototype.addEventListener.call(self, "test", null);
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},
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TypeError,
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);
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assertThrows(
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() => {
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EventTarget.prototype.removeEventListener.call(self, "test", null);
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},
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TypeError,
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);
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assertThrows(
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() => {
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EventTarget.prototype.dispatchEvent.call(self, new Event("test"));
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},
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TypeError,
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);
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});
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