Why aren't namespace autoload classes loading in phpunit tests?

Question

To compliment an existing smorgasbord of arrangements between phpunit,autoload and namespace is this:

I have created a simple test project that runs PhpUnit tests and uses namespace autoloading. I register the autoloading in the bootstrap file like so:

set_include_path(get_include_path() . PATH_SEPARATOR . "/path/to/classes/folder");
spl_autoload_register();

and inside a unit test I load and test my class like so:

$obj = new \some\space\someClass(); // which is in the classes/some/space folder
$this->assertTrue($obj->foo()=='bar');

And I get an error

Fatal error: Class '\some\space\someClass' not found in testSomeClass.php...

And someClass is defined in classes/some/space/someClass.php with case matching exactly? — David Harkness
– David Harkness, Commented Jan 18, 2012 at 22:49
yes, I actually used my ide's (phpstorm) autocomplete for the most part. — Bijou Trouvaille
– Bijou Trouvaille, Commented Jan 18, 2012 at 22:51

edorian · Accepted Answer · 2012-01-18 23:57:22Z

7

While this is not phpunit specific you need to change:

spl_autoload_register();

to

spl_autoload_register('spl_autoload');

Any other component that registers an autoloader unregisters the default __autoload().

If your code has an existing __autoload function then this function must be explicitly registered on the __autoload stack. This is because spl_autoload_register() will effectively replace the engine cache for the __autoload function by either spl_autoload() or spl_autoload_call().

So this is how spl-autoload works together with anything else that uses autoloading.

answered Jan 18, 2012 at 23:57

edorian

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2 Comments

Bijou Trouvaille Over a year ago

While your answer does solve the problem, I'm not very clear as to why that is, considering that it worked fine with the first call (without 'spl_autoload' string as a parameter), and the only place it ceased is when I was using it inside phpunit. Thanks

David Harkness Over a year ago

According to the docs for spl_autoload_register() "if no parameter is provided, then the default implementation of spl_autoload() will be registered." No parameter should be equivalent to passing 'spl_autoload' and the above change should have no effect! Awesome. :)

Mchl · Accepted Answer · 2012-01-18 23:10:11Z

4

Make sure your path to classes folder is made relative to script which is run for tests execution. If the script is in subfolder of your projects (for example tests/) then your path should be ../path/to/classes/folder

That's what I have in my tests/bootstrap.php

set_include_path(dirname(__FILE__).'/../classes'.PATH_SEPARATOR.get_include_path());

spl_autoload_extensions('.php');
spl_autoload_register('spl_autoload');

edited Jan 18, 2012 at 23:10

answered Jan 18, 2012 at 22:39

Mchl

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9 Comments

Bijou Trouvaille Over a year ago

right, I've tried using absolute paths, with the same results

Bijou Trouvaille Over a year ago

I've tried various combinations of relative paths as well, still with no luck

Mchl Over a year ago

does your autoload work when runnng the application normally?

Bijou Trouvaille Over a year ago

Mchl, have you ever had phpunit working with this sort of class autoloading? I'm asking because an affirmative to this would mean that this is a fault of configuration on my machine, rather than a quirk of phpunit, or other.

Bijou Trouvaille Over a year ago

How odd - I've changed spl_autoload_register() to spl_autoload_register('spl_autoload') and now it's working

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