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Updated tests readme.md example URL #12268

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Claudio Sanches 2016-11-07 17:59:55 -02:00
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@ -38,7 +38,7 @@ A text code coverage summary can be displayed using the `--coverage-text` option
* Each test method should cover a single method or function with one or more assertions
* A single method or function can have multiple associated test methods if it's a large or complex method
* Use the test coverage HTML report (under `tmp/coverage/index.html`) to examine which lines your tests are covering and aim for 100% coverage
* For code that cannot be tested (e.g. they require a certain PHP version), you can exclude them from coverage using a comment: `// @codeCoverageIgnoreStart` and `// @codeCoverageIgnoreEnd`. For example, see [`wc_round_tax_total()`](https://github.com/woocommerce/woocommerce/blob/master/includes/wc-formatting-functions.php#L208-208)
* For code that cannot be tested (e.g. they require a certain PHP version), you can exclude them from coverage using a comment: `// @codeCoverageIgnoreStart` and `// @codeCoverageIgnoreEnd`. For example, see [`wc_round_tax_total()`](https://github.com/woocommerce/woocommerce/blob/35f83867736713955fa2c4f463a024578bb88795/includes/wc-formatting-functions.php#L208-L219)
* In addition to covering each line of a method/function, make sure to test common input and edge cases.
* Prefer `assertsEquals()` where possible as it tests both type & equality
* Remember that only methods prefixed with `test` will be run so use helper methods liberally to keep test methods small and reduce code duplication. If there is a common helper method used in multiple test files, consider adding it to the `WC_Unit_Test_Case` class so it can be shared by all test cases