Update the unit tests setup #9
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It is recommended to use the `phpunit.xml.dist` file name for the PHPUnit configuration file to allow individual developers to overload it with a `phpunit.xml` file. To this end, I've: * Renamed the PHPUnit configuration file. * Adjusted the corresponding `export-ignore` in `.gitattributes`. * Added `phpunit.xml` to the `.gitignore` file so overload files from individual developers do not get committed. * Adjusted the references to the file in the Ant `build.xml` file. As for the config file itself: * Added a name for the testsuite as is required in later PHPUnit versions. * Changed the coverage `filter` directive to be more precise. * Added an explicit `backupGlobals` setting as the default value has changed across PHPUnit versions.
`assertEquals()` is to `assertSame()` as `==` is to `===`, so always use `assertSame()` unless you _need_ a loose comparison.
Made the unit tests compatible with PHPUnit 4.x - 7.x.
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As can be seen in the build against
nightlyon the latestmaster, the unit tests fail to run on PHP 8 at this moment, which makes ensuring compatibility with the upcoming PHP 8.0 release hard.This PR updates the PHPUnit setup to allow the tests to be compatible with a wider range of PHPUnit versions, which will then allow them to run on PHP 8.0, even though they would still use an unsupported PHPUnit version (official PHPUnit support for PHP 8 is expected in the upcoming 9.3 release).
It also sets up the unit tests to actually fail the build if they don't pass and implements some stricter testing.
If you examine the build logs on Travis for this PR, you will see that the tests will now actually run against PHP
nightlyand pass.Commit Details
PHPUnit setup: rename and update the config file
It is recommended to use the
phpunit.xml.distfile name for the PHPUnit configuration file to allow individual developers to overload it with aphpunit.xmlfile.To this end, I've:
export-ignorein.gitattributes.phpunit.xmlto the.gitignorefile so overload files from individual developers do not get committed.build.xmlfile.As for the config file itself:
filterdirective to be more precise.backupGlobalssetting as the default value has changed across PHPUnit versions.PHPUnit: use a type-safe assertion
assertEquals()is toassertSame()as==is to===, so always useassertSame()unless you need a loose comparison.PHPUnit: widen the version requirements
Made the unit tests compatible with PHPUnit 4.x - 7.x.
Travis: allow for installing PHPUnit 7 on PHP 8
Ant: fail the build on unit test failures