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[英]How to design Protractor page object navigation to avoid “window.angular is undefined” errors
[英]“window.angular is undefined.” when using protractor for automated testing?
在使用conf.js
提供的示例conf.js
時,我似乎遇到了錯誤。 我正在使用grunt-protractor-runner
運行我的測試,但即使使用提供的示例配置也會出錯。
我的Gruntfile.js
看起來像這樣:
/*global module:false*/
module.exports = function(grunt) {
// Project configuration.
grunt.initConfig({
protractor: {
options: {
configFile: "smoketest.conf.js", // Default config file
keepAlive: false, // If false, the grunt process stops when the test fails.
noColor: false, // If true, protractor will not use colors in its output.
webdriverManagerUpdate: true,
args: {
seleniumServerJar: './node_modules/protractor/selenium/selenium-server-standalone-2.51.0.jar'
}
},
smoke_test: { // Grunt requires at least one target to run so you can simply put 'all: {}' here too.
options: {
configFile: "smoketest.conf.js", // Target-specific config file
args: {
}
}
},
protractor_test: { // Grunt requires at least one target to run so you can simply put 'all: {}' here too.
options: {
configFile: "./node_modules/protractor/example/conf.js", // Target-specific config file
args: {
}
}
},
},
})
grunt.loadNpmTasks('grunt-protractor-runner');
// Default task.
grunt.registerTask('default', ['protractor:smoke_test']);
};
我正在運行grunt protractor:protractor_test
使用這個文件:
describe('angularjs homepage', function() {
it('should greet the named user', function() {
browser.get('http://www.angularjs.org');
element(by.model('yourName')).sendKeys('Julie');
var greeting = element(by.binding('yourName'));
expect(greeting.getText()).toEqual('Hello Julie!');
});
describe('todo list', function() {
var todoList;
beforeEach(function() {
browser.get('http://www.angularjs.org');
todoList = element.all(by.repeater('todo in todoList.todos'));
});
it('should list todos', function() {
expect(todoList.count()).toEqual(2);
expect(todoList.get(1).getText()).toEqual('build an angular app');
});
it('should add a todo', function() {
var addTodo = element(by.model('todoList.todoText'));
var addButton = element(by.css('[value="add"]'));
addTodo.sendKeys('write a protractor test');
addButton.click();
expect(todoList.count()).toEqual(3);
expect(todoList.get(2).getText()).toEqual('write a protractor test');
});
});
});
但是,當這個運行時,我會看到錯誤
Error while waiting for Protractor to sync with the page: "window.angular is undefined. This could be either because this is a non-angular page or because your test involves client-side navigation, which can interfere with Protractor's bootstrapping. See http://git.io/v4gXM for details"`enter code here`
我去過http://git.io/v4gXM,但我似乎無法找到解決問題的方法嗎? 有沒有其他人有這個問題,當然示例測試應該總能工作?
Exclaimer !!:這不能回答你的問題,但提供了一個解決它的黑客。
量角器要求Angular頁面在運行期望之前完成同步。 因此,為了解決此問題,您可以使用:
browser.ignoreSynchronization = true;
browser.waitForAngular();
browser.sleep(500);
這告訴瀏覽器,量角器打開不等待Angular同步(ignoreSynchronization),然后它等待angular完成它正在做的其他所有事情,然后它增加500毫秒等待讓量角器有機會找到addButton.click()
。 當等待完成時,它會強制量角器移動到包含您期望的下一行代碼,在此之前,它停在addButton.click()
行並等待同步(這沒有發生),然后它繼續前進。
(我認為...)
我有完全相同的問題(Protractor 3.1.0與Jasmine2)。 在我看來,你的beforeEach()
調用中的browser.get()
是罪魁禍首。 將其復制到每個測試可能是一種解決方法。
我遇到了同樣的問題,它解決了我: -
1. downgrade protractor to 3.0.0
2. add jasmine2 in conf.js
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