Version > 2.0.0
import { selectChoose } from 'ember-power-select/test-support';
// ...
await selectSearch('[data-test-custom-field="Host"]', 'Carlos Doe');
// ...

For context, what version of ember-cli-qunit are you using?
@cibernox We're on "ember-cli-qunit": "^4.3.2". 馃檹
Hitting the same error using clickTrigger from ember-basic-dropdown. We're using ember-cli-mocha rather than ember-cli-qunit
Error: Must setup rendering context before attempting to interact with elements.
at getRootElement (assets/test-support-3b6f7d369d74366c350475c8ccf8f11f.js:52931:13)
at getElement (assets/test-support-3b6f7d369d74366c350475c8ccf8f11f.js:52315:53)
at then (assets/test-support-3b6f7d369d74366c350475c8ccf8f11f.js:52544:45)
at tryCatcher (assets/vendor-cbe91fb5da5a795c2b5bc5d74a6cc3fc.js:75156:21)
at invokeCallback (assets/vendor-cbe91fb5da5a795c2b5bc5d74a6cc3fc.js:75328:33)
at publish (assets/vendor-cbe91fb5da5a795c2b5bc5d74a6cc3fc.js:75314:9)
at Ember.run.backburner.schedule (assets/test-support-3b6f7d369d74366c350475c8ccf8f11f.js:56788:9)
at invoke (assets/vendor-cbe91fb5da5a795c2b5bc5d74a6cc3fc.js:33666:24)
at Queue.flush (assets/vendor-cbe91fb5da5a795c2b5bc5d74a6cc3fc.js:33586:25)
at DeferredActionQueues.flush (assets/vendor-cbe91fb5da5a795c2b5bc5d74a6cc3fc.js:33739:31)
Any progress here? Due to this problem we are forced to still use ember-power-select version 1.10.4 as the latest working version. When updating to any version >= 2.0.0 our tests are failing with "Must setup rendering context before attempting to interact with elements." All other npm packages used are at their latest version. (i.e. [email protected])
Same problem here with ember 2.18.2 and quint 4.3.2.
I might have a hint. Something something lazy loading. When running my broken test locally in Chrome, if I put a debugger; just before await selectSearch('.ember-power-select-trigger', 'blah') I can inspect the DOM. I notice that the '.ember-power-select-trigger' div has spans inside of it instead of inputs. Looking at the selectSearch function, it does have some selectors for input[type=search] which might not be present yet. https://github.com/cibernox/ember-power-select/blob/c2f3bc183c00173be7d8bec53cfda18d6a0f11ff/addon-test-support/index.js#L59
This person got the same error, and the link has some info about lazy loading, but the suggested helper sends me down a maze of errors. https://github.com/emberjs/ember-test-helpers/issues/281
It turns out in our case, we were using the old style of acceptance tests, without using moduleForAcceptance. Instead, we had a manual start-app.js file that wasn't setting up the test context. If you're in the same boat:
Add the following to start-app.js:
import { setContext } from 'ember-test-helpers';
...
// inside the function:
QUnit.config.current.testEnvironment.owner = application.__deprecatedInstance__;
setContext(QUnit.config.current.testEnvironment);
and then to destroy-app.js:
import { unsetContext } from 'ember-test-helpers';
...
// inside the function:
unsetContext();
(thanks @rwjblue for that solution!)
We also had the same issue with some component integration tests. The only solution I could come up with there was to upgrade to the new testing API for those files. It actually wasn't too painful, thanks to https://github.com/rwjblue/ember-qunit-codemod and https://github.com/simonihmig/ember-test-helpers-codemod
@danwenzel Thank you for sharing this! I'll try it! 馃檹
We have already the new style of acceptance tests but still the problem with selectSearch.
Additionally adding the changes from @danwenzel did not really help.
I can confirm that in my project switching to the new style acceptance tests (using setupApplicationTest) resolves the "must setup rendering context"-issue.
setupApplicationTest was the keyword to fix our acceptance tests. Now everything is working.
Thank you to @nfc036
EDIT: Was not fixed. using setupApplicationTest doesn't work with Ember 2.18 and the tests are just skipped if adding this new style of tests.
I was able to get the new style of tests working configuring it like described in https://github.com/emberjs/ember-qunit/issues/309
Nevertheless there are still problems because andThen is not workung and other errors are occuring.
Most helpful comment
Any progress here? Due to this problem we are forced to still use ember-power-select version 1.10.4 as the latest working version. When updating to any version >= 2.0.0 our tests are failing with "Must setup rendering context before attempting to interact with elements." All other npm packages used are at their latest version. (i.e. [email protected])