214 lines
9.3 KiB
Markdown
214 lines
9.3 KiB
Markdown
# GitLab QA - End-to-end tests for GitLab
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This directory contains [end-to-end tests](../../../doc/development/testing_guide/end_to_end/index.md)
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for GitLab. It includes the test framework and the tests themselves.
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The tests can be found in `qa/specs/features` (not to be confused with the unit
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tests for the test framework, which are in `spec/`).
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It is part of the [GitLab QA project](https://gitlab.com/gitlab-org/gitlab-qa).
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## What is it?
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GitLab QA is an end-to-end tests suite for GitLab.
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These are black-box and entirely click-driven end-to-end tests you can run
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against any existing instance.
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## How does it work?
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1. When we release a new version of GitLab, we build a Docker images for it.
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1. Along with GitLab Docker Images we also build and publish GitLab QA images.
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1. GitLab QA project uses these images to execute end-to-end tests.
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## Validating GitLab views / partials / selectors in merge requests
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We recently added a new CI job that is going to be triggered for every push
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event in CE and EE projects. The job is called `qa:selectors` and it will
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verify coupling between page objects implemented as a part of GitLab QA
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and corresponding views / partials / selectors in CE / EE.
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Whenever `qa:selectors` job fails in your merge request, you are supposed to
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fix [page objects](../doc/development/testing_guide/end_to_end/page_objects.md). You should also trigger end-to-end tests
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using `package-and-qa` manual action, to test if everything works fine.
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## How can I use it?
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You can use GitLab QA to exercise tests on any live instance! If you don't
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have an instance available you can follow the instructions below to use
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the [GitLab Development Kit (GDK)](https://gitlab.com/gitlab-org/gitlab-development-kit).
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This is the recommended option if you would like to contribute to the tests.
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Note: GitLab QA uses [Selenium WebDriver](https://www.seleniumhq.org/) via
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[Cabybara](http://teamcapybara.github.io/capybara/), and by default it targets Chrome as
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the browser to use. You will need to have Chrome (or Chromium) and
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[chromedriver](https://chromedriver.chromium.org/) installed / in your `$PATH`.
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### Writing tests
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- [Writing tests from scratch tutorial](../doc/development/testing_guide/end_to_end/beginners_guide.md)
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- [Best practices](../doc/development/testing_guide/best_practices.md)
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- [Using page objects](../doc/development/testing_guide/end_to_end/page_objects.md)
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- [Guidelines](../doc/development/testing_guide/index.md)
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- [Tests with special setup for local environments](../doc/development/testing_guide/end_to_end/running_tests_that_require_special_setup.md)
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### Run the end-to-end tests in a local development environment
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Follow the GDK instructions to [prepare](https://gitlab.com/gitlab-org/gitlab-development-kit/blob/master/doc/prepare.md)
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and [install](https://gitlab.com/gitlab-org/gitlab-development-kit/blob/master/doc/set-up-gdk.md)
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your local GitLab development environment.
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Once you have GDK running, switch to the `qa` directory. E.g., if you setup
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GDK to develop in the main `gitlab-ce` repo, the GitLab source code will be
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in a `gitlab` directory and so the end-to-end test code will be in `gitlab/qa`.
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From there you can run the tests. For example, the
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following call would login to the GDK instance and run all specs in
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`qa/specs/features`:
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```
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# Make sure to install the dependencies first with `bundle install`
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bundle exec bin/qa Test::Instance::All http://localhost:3000
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```
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Note: If you want to run tests requiring SSH against GDK, you
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will need to [modify your GDK setup](https://gitlab.com/gitlab-org/gitlab-qa/blob/master/docs/run_qa_against_gdk.md).
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#### Running EE tests
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When running EE tests you'll need to have a license available. GitLab engineers can [request a license](https://about.gitlab.com/handbook/developer-onboarding/#working-on-gitlab-ee).
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Once you have the license file you can export it as an environment variable and then the framework can use it. If you do so it will be installed automatically.
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```
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export EE_LICENSE=$(cat /path/to/gitlab_license)
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```
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### Running specific tests
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You can also supply specific tests to run as another parameter. For example, to
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run the repository-related specs, you can execute:
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```
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bundle exec bin/qa Test::Instance::All http://localhost:3000 -- qa/specs/features/browser_ui/3_create/repository
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```
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Since the arguments would be passed to `rspec`, you could use all `rspec`
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options there. For example, passing `--backtrace` and also line number:
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```
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bundle exec bin/qa Test::Instance::All http://localhost:3000 -- qa/specs/features/browser_ui/3_create/merge_request/create_merge_request_spec.rb:6 --backtrace
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```
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Note that the separator `--` is required; all subsequent options will be
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ignored by the QA framework and passed to `rspec`.
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### Overriding the authenticated user
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Unless told otherwise, the QA tests will run as the default `root` user seeded
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by the GDK.
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If you need to authenticate as a different user, you can provide the
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`GITLAB_USERNAME` and `GITLAB_PASSWORD` environment variables:
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```
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GITLAB_USERNAME=jsmith GITLAB_PASSWORD=password bundle exec bin/qa Test::Instance::All https://gitlab.example.com
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```
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Some QA tests require logging in as an admin user. By default, the QA
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tests will use the the same `root` user seeded by the GDK.
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If you need to authenticate with different admin credentials, you can
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provide the `GITLAB_ADMIN_USERNAME` and `GITLAB_ADMIN_PASSWORD`
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environment variables:
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```
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GITLAB_ADMIN_USERNAME=admin GITLAB_ADMIN_PASSWORD=myadminpassword GITLAB_USERNAME=jsmith GITLAB_PASSWORD=password bundle exec bin/qa Test::Instance::All https://gitlab.example.com
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```
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If your user doesn't have permission to default sandbox group
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`gitlab-qa-sandbox`, you could also use another sandbox group by giving
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`GITLAB_SANDBOX_NAME`:
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```
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GITLAB_USERNAME=jsmith GITLAB_PASSWORD=password GITLAB_SANDBOX_NAME=jsmith-qa-sandbox bundle exec bin/qa Test::Instance::All https://gitlab.example.com
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```
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All [supported environment variables are here](https://gitlab.com/gitlab-org/gitlab-qa/blob/master/docs/what_tests_can_be_run.md#supported-environment-variables).
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### Sending additional cookies
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The environment variable `QA_COOKIES` can be set to send additional cookies
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on every request. This is necessary on gitlab.com to direct traffic to the
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canary fleet. To do this set `QA_COOKIES="gitlab_canary=true"`.
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To set multiple cookies, separate them with the `;` character, for example: `QA_COOKIES="cookie1=value;cookie2=value2"`
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### Building a Docker image to test
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Once you have made changes to the CE/EE repositories, you may want to build a
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Docker image to test locally instead of waiting for the `gitlab-ce-qa` or
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`gitlab-ee-qa` nightly builds. To do that, you can run **from the top `gitlab`
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directory** (one level up from this directory):
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```sh
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docker build -t gitlab/gitlab-ce-qa:nightly --file ./qa/Dockerfile ./
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```
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### Quarantined tests
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Tests can be put in quarantine by assigning `:quarantine` metadata. This means
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they will be skipped unless run with `--tag quarantine`. This can be used for
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tests that are expected to fail while a fix is in progress (similar to how
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[`skip` or `pending`](https://relishapp.com/rspec/rspec-core/v/3-8/docs/pending-and-skipped-examples)
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can be used).
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```
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bundle exec bin/qa Test::Instance::All http://localhost:3000 -- --tag quarantine
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```
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If `quarantine` is used with other tags, tests will only be run if they have at
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least one of the tags other than `quarantine`. This is different from how RSpec
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tags usually work, where all tags are inclusive.
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For example, suppose one test has `:smoke` and `:quarantine` metadata, and
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another test has `:ldap` and `:quarantine` metadata. If the tests are run with
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`--tag smoke --tag quarantine`, only the first test will run. The test with
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`:ldap` will not run even though it also has `:quarantine`.
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### Running tests with a feature flag enabled or disabled
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Tests can be run with with a feature flag enabled or disabled by using the command-line
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option `--enable-feature FEATURE_FLAG` or `--disable-feature FEATURE_FLAG`.
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For example, to enable the feature flag that enforces Gitaly request limits,
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you would use the command:
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```
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bundle exec bin/qa Test::Instance::All http://localhost:3000 --enable-feature gitaly_enforce_requests_limits
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```
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This will instruct the QA framework to enable the `gitaly_enforce_requests_limits`
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feature flag ([via the API](https://docs.gitlab.com/ee/api/features.html)), run
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all the tests in the `Test::Instance::All` scenario, and then disable the
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feature flag again.
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Similarly, to disable the feature flag that enforces Gitaly request limits,
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you would use the command:
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```
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bundle exec bin/qa Test::Instance::All http://localhost:3000 --disable-feature gitaly_enforce_requests_limits
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```
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This will instruct the QA framework to disable the `gitaly_enforce_requests_limits`
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feature flag ([via the API](https://docs.gitlab.com/ee/api/features.html)) if not already disabled,
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run all the tests in the `Test::Instance::All` scenario, and then enable the
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feature flag again if it was enabled earlier.
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Note: the QA framework doesn't currently allow you to easily toggle a feature
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flag during a single test, [as you can in unit tests](https://docs.gitlab.com/ee/development/feature_flags.html#specs),
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but [that capability is planned](https://gitlab.com/gitlab-org/quality/team-tasks/issues/77).
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Note also that the `--` separator isn't used because `--enable-feature` and `--disable-feature`
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are QA framework options, not `rspec` options.
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