@memlab/api
Version:
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JavaScript
;
/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
* @oncall memory_lab
*/
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const os_1 = __importDefault(require("os"));
const path_1 = __importDefault(require("path"));
const fs_extra_1 = __importDefault(require("fs-extra"));
const index_1 = require("../../index");
const E2ETestSettings_1 = require("./lib/E2ETestSettings");
beforeEach(E2ETestSettings_1.testSetup);
function injectDetachedDOMElements() {
// @ts-ignore
window.injectHookForLink4 = () => {
class TestObject {
}
const arr = [];
for (let i = 0; i < 23; ++i) {
arr.push(document.createElement('div'));
}
// @ts-ignore
window.__injectedValue = arr;
// @ts-ignore
window._path_1 = { x: { y: document.createElement('div') } };
// @ts-ignore
window._path_2 = new Set([document.createElement('div')]);
// @ts-ignore
window._randomObject = [new TestObject()];
};
}
test('leak detector can find detached DOM elements', () => __awaiter(void 0, void 0, void 0, function* () {
const { leaks } = yield (0, index_1.run)({
scenario: E2ETestSettings_1.scenario,
evalInBrowserAfterInitLoad: injectDetachedDOMElements,
});
// detected all different leak trace cluster
expect(leaks.length >= 1).toBe(true);
// expect all traces are found
expect(leaks.some(leak => JSON.stringify(leak).includes('__injectedValue')));
expect(leaks.some(leak => JSON.stringify(leak).includes('_path_1')));
expect(leaks.some(leak => JSON.stringify(leak).includes('_path_2')));
}), E2ETestSettings_1.testTimeout);
function injectDetachedDOMElementsWithPrompt() {
// @ts-ignore
window.injectHookForLink4 = () => {
class TestObject {
}
const arr = [];
for (let i = 0; i < 23; ++i) {
arr.push(document.createElement('div'));
}
// @ts-ignore
window.__injectedValue = arr;
// @ts-ignore
window._path_1 = { x: { y: document.createElement('div') } };
// @ts-ignore
window._path_2 = new Set([document.createElement('div')]);
// @ts-ignore
window._randomObject = [new TestObject()];
// pop up dialogs
alert('alert test');
confirm('confirm test');
prompt('prompt test:', 'default');
};
}
test('test runner should work with pages having pop up dialog', () => __awaiter(void 0, void 0, void 0, function* () {
const selfDefinedScenario = {
app: () => 'test-spa',
url: () => '',
action: (page) => __awaiter(void 0, void 0, void 0, function* () {
yield page.evaluate(() => {
// pop up dialogs
alert('alert test');
confirm('confirm test');
prompt('prompt test:', 'default');
});
yield page.click('[data-testid="link-4"]');
}),
leakFilter: (node) => {
return node.name === 'TestObject' && node.type === 'object';
},
};
const workDir = path_1.default.join(os_1.default.tmpdir(), 'memlab-api-test', (0, E2ETestSettings_1.getUniqueID)());
fs_extra_1.default.mkdirsSync(workDir);
const result = yield (0, index_1.run)({
scenario: selfDefinedScenario,
evalInBrowserAfterInitLoad: injectDetachedDOMElementsWithPrompt,
workDir,
});
// detected all different leak trace cluster
expect(result.leaks.length).toBe(1);
// expect all traces are found
expect(result.leaks.some(leak => JSON.stringify(leak).includes('_randomObject')));
const reader = result.runResult;
expect(path_1.default.resolve(reader.getRootDirectory())).toBe(path_1.default.resolve(workDir));
}), E2ETestSettings_1.testTimeout);