66 lines
2.2 KiB
JavaScript
66 lines
2.2 KiB
JavaScript
"use strict";
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const {deepEqual, equal, ok} = require("chai").assert;
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const {setupTestDOMWindow} = require("./setup");
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describe("browser-polyfill", () => {
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it("wraps the global chrome namespace with a global browser namespace", () => {
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const fakeChrome = {};
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return setupTestDOMWindow(fakeChrome).then(window => {
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equal(typeof window.browser, "object", "Got the window.browser object");
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});
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});
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it("do not override the global browser namespace if it already exists", () => {
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const fakeChrome = {
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runtime: {lastError: null},
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};
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const fakeBrowser = {
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mycustomns: {mykey: true},
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};
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return setupTestDOMWindow(fakeChrome, fakeBrowser).then(window => {
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deepEqual(window.browser, fakeBrowser,
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"The existent browser has not been wrapped");
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});
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});
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describe("browser wrapper", () => {
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it("supports custom properties defined using Object.defineProperty", () => {
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const fakeChrome = {};
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return setupTestDOMWindow(fakeChrome).then(window => {
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Object.defineProperty(window.browser, "myns", {
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enumerable: true,
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configurable: true,
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value: {mykey: true},
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});
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ok("myns" in window.browser, "The custom property exists");
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ok("mykey" in window.browser.myns,
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"The content of the custom property exists");
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deepEqual(window.browser.myns, {mykey: true},
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"The custom property has the expected content");
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delete window.browser.myns;
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ok(!("myns" in window.browser),
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"The deleted custom defined property has been removed");
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});
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});
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it("returns undefined for property undefined in the target", () => {
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const fakeChrome = {myns: {mykey: true}};
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return setupTestDOMWindow(fakeChrome).then(window => {
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equal(window.browser.myns.mykey, true,
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"Got the expected result from a wrapped property");
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equal(window.browser.myns.nonexistent, undefined,
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"Got undefined for non existent property");
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equal(window.browser.nonexistent, undefined,
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"Got undefined for non existent namespaces");
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});
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});
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});
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});
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