Refactor PHPUnit\Util\Configuration

[sebastianbergmann]

The methods of PHPUnit\Util\Configuration currently return arrays. Value Objects should be used instead of these arrays.

Progress

• getExtensionConfiguration()
• getFilterConfiguration()
• getGroupConfiguration()
• getTestdoxGroupConfiguration()
• getListenerConfiguration()
• getLoggingConfiguration()
• getPHPConfiguration()
• getPHPUnitConfiguration()
• getTestSuiteConfiguration()
• Move XML parsing from PHPUnit\Util\Configuration to separate object

[codecov]

Codecov Report

Merging #3914 into master will decrease coverage by 2.2%.
The diff coverage is 87.46%.

@@             Coverage Diff              @@
##             master    #3914      +/-   ##
============================================
- Coverage     83.72%   81.52%   -2.21%     
- Complexity     3856     3991     +135     
============================================
  Files           151      171      +20     
  Lines         10218    10840     +622     
============================================
+ Hits           8555     8837     +282     
- Misses         1663     2003     +340

Impacted Files	Coverage Δ	Complexity Δ
src/Util/Configuration/GroupCollectionIterator.php	0% <0%> (ø)	7 <7> (?)
src/Framework/MockObject/MockBuilder.php	61.11% <100%> (-2.76%)	36 <3> (ø)
src/Util/Configuration/ExtensionCollection.php	100% <100%> (ø)	4 <4> (?)
src/Framework/MockObject/Generator.php	83.96% <100%> (+0.03%)	145 <10> (ø)	⬇️
src/Util/Configuration/Group.php	100% <100%> (ø)	2 <2> (?)
src/Util/Configuration/Groups.php	100% <100%> (ø)	5 <5> (?)
src/Util/Configuration.php	95.04% <100%> (-1.75%)	154 <76> (-32)
...c/Util/Configuration/FilterDirectoryCollection.php	100% <100%> (ø)	5 <5> (?)
src/Util/XdebugFilterScriptGenerator.php	100% <100%> (ø)	5 <5> (-2)	⬇️
src/Util/Configuration/Filter.php	100% <100%> (ø)	9 <9> (?)
... and 54 more

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[codecov]

Codecov Report

Merging #3914 into master will decrease coverage by 2.8%.
The diff coverage is 85.73%.

@@             Coverage Diff              @@
##             master    #3914      +/-   ##
============================================
- Coverage     85.56%   82.76%   -2.81%     
- Complexity     3826     4117     +291     
============================================
  Files           157      216      +59     
  Lines          9678    10531     +853     
============================================
+ Hits           8281     8716     +435     
- Misses         1397     1815     +418

Impacted Files	Coverage Δ	Complexity Δ
src/TextUI/Configuration/Generator.php	100% <ø> (ø)	1 <0> (?)
...UI/Configuration/Group/GroupCollectionIterator.php	0% <0%> (ø)	7 <7> (?)
.../TextUI/Configuration/Logging/CodeCoverage/Xml.php	0% <0%> (ø)	2 <2> (?)
...onfiguration/Filesystem/FileCollectionIterator.php	0% <0%> (ø)	7 <7> (?)
src/TextUI/Configuration/Logging/TeamCity.php	0% <0%> (ø)	2 <2> (?)
.../TextUI/Configuration/Logging/CodeCoverage/Php.php	0% <0%> (ø)	2 <2> (?)
src/TextUI/Configuration/Logging/TestDox/Xml.php	100% <100%> (ø)	2 <2> (?)
src/TextUI/Configuration/Filter/FilterFile.php	100% <100%> (ø)	2 <2> (?)
src/TextUI/Configuration/Logging/TestDox/Html.php	100% <100%> (ø)	2 <2> (?)
src/TextUI/Configuration/Logging/TestDox/Text.php	100% <100%> (ø)	2 <2> (?)
... and 197 more

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Δ = absolute <relative> (impact), ø = not affected, ? = missing data
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