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31 lines
1.4 KiB
Markdown
31 lines
1.4 KiB
Markdown
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Unit tests, written with [QUnit](https://qunitjs.com), are used to
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expose bugs for squashing, prevent bugs from respawning, and suppress new
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bugs when adding new features and making changes.
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# Running the tests
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The simplest way to run the tests is to open `tests/tests.html` in your browser.
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The test suites will automatically run themselves and present their results.
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To run the tests from the command line (after running jshint and jscs, which is
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recommended), install Grunt and run the `test` task from anywhere within the
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repo:
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$ grunt test
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# Adding tests
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Tests go in js files in the `tests/suites/` directory tree. QUnit organizes
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tests into suites called "modules"; there is one module per js file. If the
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tests you are adding do not fit into an existing module, create a new one at
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`tests/suites/<new module>.js`, where `<new module>` is a broad yet
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descriptive name for the suite. If tests have many year-specific cases (ie,
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behave differently in leap years vs normal years, or have specific buggy
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behavior in a certain year), create the module in a new directory,
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`tests/suites/<new module>/<year>.js`, where `<new module>` is the decriptive
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name and `<year>` is the four-digit year the tests pertain to.
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In order for new tests to be run, they must be imported into `tests/tests.html`.
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Find the script includes headed by the html comment `<!-- Test suites -->`, and
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add a new one to the list which includes the new js files.
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