Commit c15a9109 authored by Marcia Ramos's avatar Marcia Ramos

Merge branch 'docs-shl-let-vs-instanc-var-in-end-to-end-tests' into 'master'

Add docs for using let vs instance variable in e2e tests

See merge request gitlab-org/gitlab!57319
parents 9a26c9ad 12638940
......@@ -223,6 +223,15 @@ In summary:
- **Do**: Split tests across separate files, unless the tests share expensive setup.
- **Don't**: Put new tests in an existing file without considering the impact on parallelization.
## `let` variables vs instance variables
By default, follow the [testing best practices](../best_practices.md#subject-and-let-variables) when using `let`
or instance variables. However, in end-to-end tests, set-ups such as creating resources are expensive.
If you use `let` to store a resource, it will be created for each example separately.
If the resource can be shared among multiple examples, use an instance variable in the `before(:all)`
block instead of `let` to save run time.
When the variable cannot be shared by multiple examples, use `let`.
## Limit the use of the UI in `before(:context)` and `after` hooks
Limit the use of `before(:context)` hooks to perform setup tasks with only API calls,
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment