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Add classmap-authoritative config setting

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Add a "classmap-authoritative" configuration setting that can be used to
disable searching the various prefix and fallback directories for
classes that have not been registered with the
Composer\Autoload\ClassLoader class map. This setting can be used to
optimize performance by avoiding a potentially large number of
`file_exists` calls when Composer is being used in a program with
additional autoloader facilities. Use of the setting implies
"optimize-autoloader" to ensure that the most complete class map
possible is generated.

Closes #3603
This commit is contained in:
Bryan Davis 2015-01-03 17:35:25 -07:00
parent e172cd81a1
commit ad1f8e6c5a
10 changed files with 110 additions and 18 deletions
Download patch file Download diff file Expand all files Collapse all files

76
tests/Composer/Test/Autoload/AutoloadGeneratorTest.php
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@ -67,6 +67,11 @@ class AutoloadGeneratorTest extends TestCase
*/
private $eventDispatcher;
/**
* @var array
*/
private $configValueMap;
protected function setUp()
{
$this->fs = new Filesystem;
@ -79,18 +84,23 @@ class AutoloadGeneratorTest extends TestCase
$this->config = $this->getMock('Composer\Config');
$this->config->expects($this->at(0))
->method('get')
->with($this->equalTo('vendor-dir'))
->will($this->returnCallback(function () use ($that) {
$this->configValueMap = array(
'vendor-dir' => function () use ($that) {
return $that->vendorDir;
}));
},
);
$this->config->expects($this->at(1))
$this->config->expects($this->atLeastOnce())
->method('get')
->with($this->equalTo('vendor-dir'))
->will($this->returnCallback(function () use ($that) {
return $that->vendorDir;
->will($this->returnCallback(function ($arg) use ($that) {
$ret = null;
if (isset($that->configValueMap[$arg])) {
$ret = $that->configValueMap[$arg];
if (is_callable($ret)) {
$ret = $ret();
}
}
return $ret;
}));
$this->origDir = getcwd();
@ -483,6 +493,49 @@ class AutoloadGeneratorTest extends TestCase
include $this->vendorDir.'/composer/autoload_classmap.php'
);
$this->assertAutoloadFiles('classmap5', $this->vendorDir.'/composer', 'classmap');
$this->assertNotRegExp('/\$loader->setClassMapAuthoritative\(true\);/', file_get_contents($this->vendorDir.'/composer/autoload_real.php'));
}
public function testClassMapAutoloadingAuthoritative()
{
$package = new Package('a', '1.0', '1.0');
$packages = array();
$packages[] = $a = new Package('a/a', '1.0', '1.0');
$packages[] = $b = new Package('b/b', '1.0', '1.0');
$packages[] = $c = new Package('c/c', '1.0', '1.0');
$a->setAutoload(array('classmap' => array('')));
$b->setAutoload(array('classmap' => array('test.php')));
$c->setAutoload(array('classmap' => array('./')));
$this->repository->expects($this->once())
->method('getCanonicalPackages')
->will($this->returnValue($packages));
$this->configValueMap['classmap-authoritative'] = true;
$this->fs->ensureDirectoryExists($this->vendorDir.'/composer');
$this->fs->ensureDirectoryExists($this->vendorDir.'/a/a/src');
$this->fs->ensureDirectoryExists($this->vendorDir.'/b/b');
$this->fs->ensureDirectoryExists($this->vendorDir.'/c/c/foo');
file_put_contents($this->vendorDir.'/a/a/src/a.php', '<?php class ClassMapFoo {}');
file_put_contents($this->vendorDir.'/b/b/test.php', '<?php class ClassMapBar {}');
file_put_contents($this->vendorDir.'/c/c/foo/test.php', '<?php class ClassMapBaz {}');
$this->generator->dump($this->config, $this->repository, $package, $this->im, 'composer', false, '_7');
$this->assertTrue(file_exists($this->vendorDir.'/composer/autoload_classmap.php'), "ClassMap file needs to be generated.");
$this->assertEquals(
array(
'ClassMapBar' => $this->vendorDir.'/b/b/test.php',
'ClassMapBaz' => $this->vendorDir.'/c/c/foo/test.php',
'ClassMapFoo' => $this->vendorDir.'/a/a/src/a.php',
),
include $this->vendorDir.'/composer/autoload_classmap.php'
);
$this->assertAutoloadFiles('classmap5', $this->vendorDir.'/composer', 'classmap');
$this->assertRegExp('/\$loader->setClassMapAuthoritative\(true\);/', file_get_contents($this->vendorDir.'/composer/autoload_real.php'));
// FIXME: how can we actually test the ClassLoader implementation?
}
public function testFilesAutoloadGeneration()
@ -829,10 +882,7 @@ EOF;
->method('getCanonicalPackages')
->will($this->returnValue(array()));
$this->config->expects($this->at(2))
->method('get')
->with($this->equalTo('use-include-path'))
->will($this->returnValue(true));
$this->configValueMap['use-include-path'] = true;
$this->fs->ensureDirectoryExists($this->vendorDir.'/a');