nightwatch
Version:
Easy to use Node.js based end-to-end testing solution for web applications using the W3C WebDriver API.
59 lines (58 loc) • 2.24 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
const chaiNightwatch = require('chai-nightwatch');
const BaseLoader = require('./_base-loader.js');
class ExpectAssertionLoader extends BaseLoader {
static get ChaiAssertionType() {
return {
PROPERTY: 'property',
METHOD: 'method'
};
}
static getChaiAssertionType(assertionType) {
const { PROPERTY, METHOD } = ExpectAssertionLoader.ChaiAssertionType;
switch (assertionType) {
case PROPERTY:
return 'addProperty';
case METHOD:
return 'addMethod';
}
}
static createMatcher({ assertionType, commandName, aliases = [], nightwatchInstance, AssertModule, expectCommandName }) {
if (!Array.isArray(commandName)) {
commandName = [commandName];
}
const method = ExpectAssertionLoader.getChaiAssertionType(assertionType);
commandName.forEach(command => {
const assertFn = function (...args) {
const assertion = new AssertModule({ nightwatchInstance, chaiExpect: this, expectCommandName });
assertion.init(...args);
this.assertion = assertion;
return this;
};
if (!Array.isArray(aliases)) {
throw new Error(`Error while creating expect assertion: .aliases property needs to be an Array; received: ${aliases}`);
}
aliases.push(command);
aliases.forEach(alias => chaiNightwatch.Assertion[method](alias, assertFn));
});
}
loadAssertion(expectCommandName) {
if (!this.commandName) {
return;
}
const { nightwatchInstance } = this;
const assertionType = this.module.assertionType;
const commandName = this.module.assertionName || this.commandName;
const aliases = this.module.aliases;
ExpectAssertionLoader.createMatcher({
nightwatchInstance,
assertionType,
commandName,
expectCommandName,
aliases,
AssertModule: this.module
});
}
}
module.exports = ExpectAssertionLoader;