element-web/test/test-utils.js

56 lines
1.5 KiB
JavaScript

"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
*/
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();
}
/**
* returns true if the current environment supports webrtc
*/
export function browserSupportsWebRTC() {
var n = global.window.navigator;
return n.getUserMedia || n.webkitGetUserMedia ||
n.mozGetUserMedia;
}
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 because it is open elsewhere`);
};
req.onerror = (ev) => {
reject(new Error(
"unable to delete indexeddb: " + ev.target.error,
));
};
req.onsuccess = () => {
console.log(`Removed indexeddb instance: ${dbName}`);
resolve();
};
});
}