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| author | Eric Eastwood <contact@ericeastwood.com> | 2017-10-16 20:37:52 +0300 |
|---|---|---|
| committer | Eric Eastwood <contact@ericeastwood.com> | 2017-10-19 22:01:15 +0300 |
| commit | 43377979c6cfee922702a5dc6324fded96b1f111 (patch) | |
| tree | 8ac0061a979a611c9927e04815a1df5a71d2d505 /doc/development/testing_guide/best_practices.md | |
| parent | 96d8c7fff114911faa7d3e1b6322c2b9e3377e9b (diff) | |
Check for element before evaluate_script
Tip from
https://robots.thoughtbot.com/write-reliable-asynchronous-integration-tests-with-capybara#directly-interacting-with-javascript
Diffstat (limited to 'doc/development/testing_guide/best_practices.md')
| -rw-r--r-- | doc/development/testing_guide/best_practices.md | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/doc/development/testing_guide/best_practices.md b/doc/development/testing_guide/best_practices.md index 613423dbd9a..7ddd02e6c73 100644 --- a/doc/development/testing_guide/best_practices.md +++ b/doc/development/testing_guide/best_practices.md @@ -35,6 +35,8 @@ Here are some things to keep in mind regarding test performance: [Gotchas](../gotchas.md#dont-assert-against-the-absolute-value-of-a-sequence-generated-attribute)). - Don't supply the `:each` argument to hooks since it's the default. - On `before` and `after` hooks, prefer it scoped to `:context` over `:all` +- When using `evaluate_script("$('.js-foo').testSomething()")` (or `execute_script`) which acts on a given element, + use a Capyabara matcher beforehand (e.g. `find('.js-foo')`) to ensure the element actually exists. [four-phase-test]: https://robots.thoughtbot.com/four-phase-test |