PHPUnit 6 now only supports namespaced classes

However those classes are already supported in PHP 5.7 so we can switch
to them without breaking backward-compatibility.

new helper method waitForTick() in DokuWikiTest

Some of our tests require that at least one second has passed before
they can continue because our revisions depend on the Unix Timestamp.

Currently

new helper method waitForTick() in DokuWikiTest

Some of our tests require that at least one second has passed before
they can continue because our revisions depend on the Unix Timestamp.

Currently we use a sleep(1) for this. However this always waits a whole
second, even if the next second is already much closer or maybe already
here - especially when some processing has been done since the last
operation.

This new method waits for the next second by checking the time every
10th of a second. This might speed up some of our tests a bit.

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fix tests for newer PHPUnit. fixes #1643

getMock is deprecated in new PHPUnit versions and createMock is the
recommended replacement. However that one is not available in older
PHPUnit releases. Sin

fix tests for newer PHPUnit. fixes #1643

getMock is deprecated in new PHPUnit versions and createMock is the
recommended replacement. However that one is not available in older
PHPUnit releases. Since we still support older PHP releases we have to
support older PHPUnit releases as well.

This add some compatibility functions to our TestCase class and replaces
all calls to getMock. Tested with PHPUnit 4.6.6 and 5.5.0.

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reload some config settings after the conf reset in DokuWikiTest::setUp

Remove error supression for file_exists()

In an older version of PHP a file_exists() call would issue a warning
when the file did not exist. This was fixed in later PHP releases. Since
we require PH

Remove error supression for file_exists()

In an older version of PHP a file_exists() call would issue a warning
when the file did not exist. This was fixed in later PHP releases. Since
we require PHP 5.3 now, there's no need to supress any error here
anymore. This might even give a minor performance boost.

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Fix unittests broken by previous two commits

Mostly this is for unit tests which use of \$_SERVER['REMOTE_USER']

It ensures the reference/alias connection between \$INPUT->server
and \$_SERVER is r

Fix unittests broken by previous two commits

Mostly this is for unit tests which use of \$_SERVER['REMOTE_USER']

It ensures the reference/alias connection between \$INPUT->server
and \$_SERVER is renewed before each test. Tests using TestRequest
class will replace this \$INPUT with their own.

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Remove global $Indexer, clear index in the testing system instead

Fixed and extended PHPDoc comments and added additional @var comments

reset the data directory before each test class is run

moved _testing to _test