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| -rw-r--r-- | doc/development/testing_guide/frontend_testing.md | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/doc/development/testing_guide/frontend_testing.md b/doc/development/testing_guide/frontend_testing.md index c909745b1ab..980f701d58d 100644 --- a/doc/development/testing_guide/frontend_testing.md +++ b/doc/development/testing_guide/frontend_testing.md @@ -505,6 +505,16 @@ glob otherwise your shell may split it into multiple arguments: yarn karma -f 'spec/javascripts/ide/**/file_spec.js' ``` +## Test helpers + +### Wait until axios requests finish +The axios utils module located in `~/lib/utils/axios_utils` contains two helper methods for tests that spawn HTTP requests. These are very useful if you don't have a handle to the request's Promise, for example when a Vue component does a request as part of its lifecycle. + +- `waitFor(url, callback)`: Runs `callback` after a request to `url` finishes (either successfully or unsuccessfully). +- `waitForAll(callback)`: Runs `callback` once all pending requests have finished. If no requests are pending, runs `callback` on the next tick. + +Both functions run `callback` on the next tick after the requests finish (using `setImmediate()`), to allow any `.then()` or `.catch()` handlers to run. + ## RSpec feature integration tests Information on setting up and running RSpec integration tests with |