element-web/test/test-utils.js

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"use strict";
var q = require('q');
/**
* Perform common actions before each test case, e.g. printing the test case
* name to stdout.
* @param {Mocha.Context} context The test context
*/
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export function beforeEach(context) {
var desc = context.currentTest.fullTitle();
console.log();
console.log(desc);
console.log(new Array(1 + desc.length).join("="));
// some tests store things in localstorage. Improve independence of tests
// by making sure that they don't inherit any old state.
window.localStorage.clear();
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}
/**
* returns true if the current environment supports webrtc
*/
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export function browserSupportsWebRTC() {
var n = global.window.navigator;
return n.getUserMedia || n.webkitGetUserMedia ||
n.mozGetUserMedia;
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}
export function deleteIndexedDB(dbName) {
return new q.Promise((resolve, reject) => {
if (!window.indexedDB) {
resolve();
return;
}
console.log(`Removing indexeddb instance: ${dbName}`);
const req = window.indexedDB.deleteDatabase(dbName);
req.onblocked = () => {
console.log(`can't yet delete indexeddb ${dbName} because it is open elsewhere`);
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};
req.onerror = (ev) => {
reject(new Error(
`unable to delete indexeddb ${dbName}: ${ev.target.error}`,
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));
};
req.onsuccess = () => {
console.log(`Removed indexeddb instance: ${dbName}`);
resolve();
};
}).catch((e) => {
console.error(`Error removing indexeddb instance ${dbName}: ${e}`);
throw e;
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});
}