mirror of
https://gerrit.wikimedia.org/r/mediawiki/skins/MinervaNeue
synced 2024-11-15 18:29:50 +00:00
c16c20a394
Uncover a bug and fix it in the process \o/ - it seems that the close icon is misplaced between clicking the notifications icon and loading the contents of the overlay - this confuses the webdriver as the button is not clickable. Bug: T219920 Change-Id: Ib4d076fd9b7ea1cd48b6b58940a50560eacd51a0
116 lines
4.5 KiB
Markdown
116 lines
4.5 KiB
Markdown
# Selenium tests
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Please see tests/selenium/README.md file in mediawiki/core repository, usually at mediawiki/vagrant/mediawiki folder.
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## Setup
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Set up MediaWiki-Vagrant:
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cd mediawiki/vagrant
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vagrant up
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vagrant roles enable minerva
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vagrant provision
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cd mediawiki
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npm install
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## Start Chromedriver and run all tests
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Run both mediawiki/core and extension tests from mediawiki/core repository (usually at mediawiki/vagrant/mediawiki folder):
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npm run selenium
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## Start Chromedriver
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To run only some tests, you first have to start Chromedriver in one terminal tab (or window):
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chromedriver --url-base=wd/hub --port=4444
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## Run test(s) from one file
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Then, in another terminal tab (or window) run this from mediawiki/core repository (usually at mediawiki/vagrant/mediawiki folder):
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npm run selenium-test -- --spec tests/selenium/specs/FILE-NAME.js
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`wdio` is a dependency of mediawiki/core that you have installed with `npm install`.
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## Run specific test(s)
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To run only test(s) which name contains string TEST-NAME, run this from mediawiki/core repository (usually at mediawiki/vagrant/mediawiki folder):
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./node_modules/.bin/wdio tests/selenium/wdio.conf.js --spec extensions/EXTENSION-NAME/tests/selenium/specs/FILE-NAME.js --mochaOpts.grep TEST-NAME
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Make sure Chromedriver is running when executing the above command.
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# Migrating a test from Ruby to Node.js
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Currently we are in the midst of porting our Ruby tests to Node.js.
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When the tests/browser/features folder is empty, we are done and the whole tests/browser folder can be removed.
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This is a slow process (porting a single test can take an entire afternoon).
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## Step 1 - move feature file
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Move the feature you want to port to Node.js
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```
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mv tests/browser/features/<name>.feature tests/selenium/features/
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```
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Example: https://gerrit.wikimedia.org/r/#/c/mediawiki/skins/MinervaNeue/+/501792/1/tests/selenium/features/editor_wikitext_saving.feature
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## Step 2 - add boilerplate for missing steps
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Run the feature in cucumber
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```
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npm run selenium-test-cucumber -- --spec tests/selenium/features/<name>.feature
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```
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You will get warnings such as:
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```
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Step "I go to a page that has languages" is not defined. You can ignore this error by setting cucumberOpts.ignoreUndefinedDefinitions as true.
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```
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For each missing step define them as one liners inside selenium/features/step_definitions/index.js
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Create functions with empty bodies for each step.
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Function anmes should be camel case without space, for example, `I go to a page that has languages` becomes `iGoToAPageThatHasLanguages`. Each function should be imported from a step file inside the features/step_definitions folder.
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Re-reun the test. If done correctly this should now pass.
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Example: https://gerrit.wikimedia.org/r/#/c/mediawiki/skins/MinervaNeue/+/501792/1..2
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## Step 3 - copy across Ruby function bodies
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Copy across the body of the Ruby equivalent inside each function body in tests/browser/features/step_definitions as comments.
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Example: https://gerrit.wikimedia.org/r/#/c/mediawiki/skins/MinervaNeue/+/501792/2..3
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## Step 4 - rewrite Ruby to Node.js
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Sadly there is no shortcut here. Reuse as much as you can. Work with the knowledge that the parts you are adding will aid the next browser test migration.
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The docs are your friend: http://v4.webdriver.io/api/utility/waitForVisible.html
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Example: https://gerrit.wikimedia.org/r/#/c/mediawiki/skins/MinervaNeue/+/501792/2..4
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## Step 5 - Make it work without Cucumber
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Now the tests should be passing when run the browser tests using wdio.conf.cucumber.js or `npm run selenium-test-cucumber`
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The final step involves making these run with
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`npm run selenium-test`
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This is relatively straightforward and mechanical.
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1) Copy the feature file to the specs folder
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```
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cp tests/selenium/features/editor_wikitext_saving.feature tests/selenium/specs/editor_wikitext_saving.js
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```
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2) Convert indents to tabs
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3) Add `//` before any tags
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4) Replace `Scenario: <name>` with `it( '<name>', () => {`
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5) Add closing braces for all scenarios: ` } );`
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6) Replace `Feature: <feature>` with `describe('<feature>)', () => {` and add closing brace.
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7) Replace `Background:` with `beforeEach( () => {` and add closing brace.
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8) Find and replace `Given `, `When `, `And `, `Then ` with empy strings.
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9) At top of file copy and paste imports from `selenium/features/step_definitions/index.js` to top of your new file and rewrite their paths.
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10) Relying on autocomplete (VisualStudio Code works great) replace all the lines with the imports
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11) Drop unused imports from the file.
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