For question about web-component-tester, a tool for testing Polymer-based web components.
web-component-tester is a browser-based testing environment for polymer-based web components, configured out of the box with:
For more details, see
Questions tagged [web-component-tester]
111 questions
3
votes
1 answer
How to mock global variables in Web Component Tester
We have several situations where our Polymer elements have methods that rely on global behaviour, such as viewport size detection, or an analytics package that injects a global variable.
Now I'm trying to test these methods using Web Component…
Vincent
- 4,876
- 3
- 44
- 55
3
votes
1 answer
Web Component Tester: Accessing the DOM
I have hundreds of Polymer test suites. At the end of each test, I'd like to access the DOM to do some custom quality checks.
Would writing a wct plugin work? If so, how should I access the DOM from within a plugin?
Thanks in advance!
x74x61
- 423
- 6
- 18
3
votes
1 answer
Polymer Web Component Tester sendKeys
Is there a method that I can use to send keys to an input field using web component tester? I'd like to test sending the return key to a form.
Kyle Buchanan
- 193
- 1
- 10
3
votes
3 answers
Polymer unit test: dom-repeat is not rendered when "ready" is called
I have the following unit test for my custom polymer component:
survey
taylorstine
- 905
- 7
- 17
3
votes
1 answer
All tests fail in Web Component Tester for Firefox
After creating a clean copy of the Polymer Starter Kit, running the tests using the Web Component Tester ("test" Gulp task) results in all tests failing in Firefox.
The tests run through fine in both Chrome and IE.
The error is:
firefox 39 …
Brett Postin
- 11,215
- 10
- 60
- 95
2
votes
1 answer
How to test existence of element in polymer?
I am facing this issue in my polymer component and unable to find out where I am facing. The following are my code:
…
mukund
- 2,866
- 5
- 31
- 41
2
votes
1 answer
How to choose a browser version in web component tester?
Does wct config allow for choosing a specific version of Chrome, like Chrome 34?
It seems to install chrome at the beginning every time I run wtc.
Bobby Battista
- 1,985
- 2
- 17
- 27
2
votes
1 answer
Polymer web component testing: How to import dummy test data from a local .json file
I'd like to set a variable full of dummy data for use in testing.
In my-element_test.html how can I do this?
In an actual element, I would use iron-ajax with a local file for the url and just use the last-response variable around my code.
Do I need…
Bobby Battista
- 1,985
- 2
- 17
- 27
2
votes
0 answers
Run single wct test through gulp task
How do I have to create a single gulp task to run a single wct test? I have the following project…
DoK
- 851
- 3
- 15
- 31
2
votes
1 answer
What order to you need to call stub, replace and fixture with Web Component tester
I am starting to build a test suite for some of the elements in my app. At the top level I have a element and in its template it uses a element to define how long a string…
akc42
- 4,893
- 5
- 41
- 60
2
votes
1 answer
How to use dom-bind within test-fixture?
How can I use within with web-components-tester?
I have tried to use it Polymer 0.8 x-template way:
{{greeting}} …
tomalec
- 890
- 10
- 27
2
votes
3 answers
Testing polymer 1.0 components with iron-ajax using wct
I am having the hardest time mocking the server response to an iron-ajax component inside my custom component. Here is my code files.
custom-component.html:
progressquest
- 43
- 1
- 6
2
votes
0 answers
What's the basic pattern for testing ajax requests with web-component-tester w/o sinon server?
How do I setup the following element/test with web-component-tester and polymer such that (1) the XHR request completes, (2) then the assert runs, causing (3) the test to pass?
/my-element.html
…
btelles
- 5,390
- 7
- 46
- 78
2
votes
1 answer
How do I test a Polymer element which should fail when it attaches
I am creating an element (a router - but that is not important), that is scanning the DOM soon after it has attached for particular other custom elements. I certain cases it needs to throw an error and I want to test for these.
The test I…
akc42
- 4,893
- 5
- 41
- 60
2
votes
1 answer
How can I replace the server in Web Component Tester
I have a project set up based around the Polymer Starter Kit, which includes Web-Component-Tester
This project includes php server code which I would also like to test by writing tests to run in the browser which will utilise the PHP server code…
akc42
- 4,893
- 5
- 41
- 60