147 lines
3.6 KiB
Markdown
147 lines
3.6 KiB
Markdown
#Unit tests
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### Setup your environment for tests
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The framework used is [PHPUnit](https://phpunit.de/); it can be installed with [Composer](https://getcomposer.org/), which is a dependency management tool.[](.html)
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Regarding Composer, you can either use:
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* a system-wide version, e.g. installed through your distro's package manager
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* a local version, downloadable [here](https://getcomposer.org/download/)[](.html)
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#### Sample usage
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```bash
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# system-wide version
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$ composer install
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$ composer update
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# local version
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$ php composer.phar self-update
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$ php composer.phar install
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$ php composer.phar update
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```
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#### Install Shaarli dev dependencies
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```bash
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$ cd /path/to/shaarli
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$ composer update
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```
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#### Install and enable Xdebug to generate PHPUnit coverage reports
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For Debian-based distros:
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```bash
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$ aptitude install php5-xdebug
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```
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For ArchLinux:
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```bash
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$ pacman -S xdebug
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```
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Then add the following line to `/etc/php/php.ini`:
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```ini
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zend_extension=xdebug.so
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```
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#### Run unit tests
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Successful test suite:
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```bash
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$ make test
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-------
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PHPUNIT
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-------
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PHPUnit 4.6.9 by Sebastian Bergmann and contributors.
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Configuration read from /home/virtualtam/public_html/shaarli/phpunit.xml
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....................................
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Time: 759 ms, Memory: 8.25Mb
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OK (36 tests, 65 assertions)
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```
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Test suite with failures and errors:
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```bash
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$ make test
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-------
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PHPUNIT
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-------
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PHPUnit 4.6.9 by Sebastian Bergmann and contributors.
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Configuration read from /home/virtualtam/public_html/shaarli/phpunit.xml
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E..FF...............................
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Time: 802 ms, Memory: 8.25Mb
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There was 1 error:
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1) LinkDBTest::testConstructLoggedIn
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Missing argument 2 for LinkDB::__construct(), called in /home/virtualtam/public_html/shaarli/tests/Link\
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DBTest.php on line 79 and defined
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/home/virtualtam/public_html/shaarli/application/LinkDB.php:58
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/home/virtualtam/public_html/shaarli/tests/LinkDBTest.php:79
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--
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There were 2 failures:
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1) LinkDBTest::testCheckDBNew
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Failed asserting that two strings are equal.
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--- Expected
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+++ Actual
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@@ @@
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-'e3edea8ea7bb50be4bcb404df53fbb4546a7156e'
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+'85eab0c610d4f68025f6ed6e6b6b5fabd4b55834'
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/home/virtualtam/public_html/shaarli/tests/LinkDBTest.php:121
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2) LinkDBTest::testCheckDBLoad
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Failed asserting that two strings are equal.
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--- Expected
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+++ Actual
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@@ @@
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-'e3edea8ea7bb50be4bcb404df53fbb4546a7156e'
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+'85eab0c610d4f68025f6ed6e6b6b5fabd4b55834'
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/home/virtualtam/public_html/shaarli/tests/LinkDBTest.php:133
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FAILURES!
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Tests: 36, Assertions: 63, Errors: 1, Failures: 2.
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```
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#### Test results and coverage
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By default, PHPUnit will run all suitable tests found under the `tests` directory.
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Each test has 3 possible outcomes:
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* `.` - success
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* `F` - failure: the test was run but its results are invalid
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* the code does not behave as expected
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* dependencies to external elements: globals, session, cache...
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* `E` - error: something went wrong and the tested code has crashed
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* typos in the code, or in the test code
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* dependencies to missing external elements
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If Xdebug has been installed and activated, two coverage reports will be generated:
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* a summary in the console
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* a detailed HTML report with metrics for tested code
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* to open it in a web browser: `firefox coverage/index.html &`
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### Executing specific tests
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Add a [`@group`](https://phpunit.de/manual/current/en/appendixes.annotations.html#appendixes.annotations.group) annotation in a test class or method comment:[](.html)
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```php
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/**
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* Netscape bookmark import
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* @group WIP
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*/
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class BookmarkImportTest extends PHPUnit_Framework_TestCase
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{
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[...][](.html)
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}
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```
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To run all tests annotated with `@group WIP`:
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```bash
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$ vendor/bin/phpunit --group WIP tests/
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```
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