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48 lines
1.6 KiB
Markdown
48 lines
1.6 KiB
Markdown
# 7. Prefer running QUnit tests in node.js
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Date: 08/03/2017
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## Status
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Accepted
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## Context
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QUnit tests were set up to run on a browser or phantom.js on top of a running
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mediawiki server.
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We want to:
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* Speed up the test running in a development cycle
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* Full page reload every time you change tests or source takes too long
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* Leverage common.js in our tests to load our sources and other test helpers
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like stubs
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* Remove global variables
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## Decision
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QUnit tests will be migrated from `tests/qunit/ext.popups/` to
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`tests/node-qunit/` and will be run by the script `npm run test:node` in a node
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environment with access to QUnit, a fake jsdom, and jQuery. Powered by the node
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package `mw-node-qunit`.
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Node tests will be run in CI too in the npm job that runs `npm test`.
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It is preferred to use the node-qunit test environment, as it is fast,
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leverages common.js modules, and isolated.
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When impossible because of extreme coupling with mediawiki.js, put the
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**integration** tests in `tests/qunit/`.
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## Consequences
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* README has instructions on how to run different types of tests
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* Node based QUnit tests...
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* can be run independently of mediawiki
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* are isolated and need to stub global variables used in sources
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* are run in node.js 6+ which runs in CI on wikimedia infrastructure
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* which means they leverage that platforms advantages (loading files with
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common.js, using es6, using the node stdlib if necessary)
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* Most tests are migrated to `tests/node-qunit` and only the ones that strictly
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need it remain in `tests/qunit` (`processLinks.test.js` for example, see
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comment in file)
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