silverstripe-framework/tests/php/View/SSViewerCacheBlockTest.php

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<?php
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namespace SilverStripe\View\Tests;
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use SilverStripe\Core\Injector\Injector;
use SilverStripe\Versioned\Versioned;
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use Psr\SimpleCache\CacheInterface;
use SilverStripe\Dev\SapphireTest;
use SilverStripe\Control\Director;
use SilverStripe\View\SSViewer;
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use Symfony\Component\Cache\Simple\FilesystemCache;
use Symfony\Component\Cache\Simple\NullCache;
// Not actually a data object, we just want a ViewableData object that's just for us
class SSViewerCacheBlockTest extends SapphireTest
{
protected static $extra_dataobjects = array(
SSViewerCacheBlockTest\TestModel::class
);
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protected static function getExtraDataObjects()
{
$classes = parent::getExtraDataObjects();
// Add extra classes if versioning is enabled
if (class_exists(Versioned::class)) {
$classes[] = SSViewerCacheBlockTest\VersionedModel::class;
}
return $classes;
}
/**
* @var SSViewerCacheBlockTest\TestModel
*/
protected $data = null;
protected function _reset($cacheOn = true)
{
$this->data = new SSViewerCacheBlockTest\TestModel();
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$cache = null;
if ($cacheOn) {
$cache = new FilesystemCache('cacheblock', 0, getTempFolder()); // cache indefinitely
} else {
$cache = new NullCache();
}
Injector::inst()->registerService($cache, CacheInterface::class . '.cacheblock');
Injector::inst()->get(CacheInterface::class . '.cacheblock')->clear();
}
protected function _runtemplate($template, $data = null)
{
if ($data === null) {
$data = $this->data;
}
if (is_array($data)) {
$data = $this->data->customise($data);
}
return SSViewer::execute_string($template, $data);
}
public function testParsing()
{
// ** Trivial checks **
// Make sure an empty cached block parses
$this->_reset();
$this->assertEquals($this->_runtemplate('<% cached %><% end_cached %>'), '');
// Make sure an empty cacheblock block parses
$this->_reset();
$this->assertEquals($this->_runtemplate('<% cacheblock %><% end_cacheblock %>'), '');
// Make sure an empty uncached block parses
$this->_reset();
$this->assertEquals($this->_runtemplate('<% uncached %><% end_uncached %>'), '');
// ** Argument checks **
// Make sure a simple cacheblock parses
$this->_reset();
$this->assertEquals($this->_runtemplate('<% cached %>Yay<% end_cached %>'), 'Yay');
// Make sure a moderately complicated cacheblock parses
$this->_reset();
$this->assertEquals($this->_runtemplate('<% cached \'block\', Foo, "jumping" %>Yay<% end_cached %>'), 'Yay');
// Make sure a complicated cacheblock parses
$this->_reset();
$this->assertEquals(
$this->_runtemplate(
'<% cached \'block\', Foo, Test.Test(4).Test(jumping).Foo %>Yay<% end_cached %>'
),
'Yay'
);
// ** Conditional Checks **
// Make sure a cacheblock with a simple conditional parses
$this->_reset();
$this->assertEquals($this->_runtemplate('<% cached if true %>Yay<% end_cached %>'), 'Yay');
// Make sure a cacheblock with a complex conditional parses
$this->_reset();
$this->assertEquals($this->_runtemplate('<% cached if Test.Test(yank).Foo %>Yay<% end_cached %>'), 'Yay');
// Make sure a cacheblock with a complex conditional and arguments parses
$this->_reset();
$this->assertEquals(
$this->_runtemplate(
'<% cached Foo, Test.Test(4).Test(jumping).Foo if Test.Test(yank).Foo %>Yay<% end_cached %>'
),
'Yay'
);
}
/**
* Test that cacheblocks actually cache
*/
public function testBlocksCache()
{
// First, run twice without caching, to prove we get two different values
$this->_reset(false);
$this->assertEquals($this->_runtemplate('<% cached %>$Foo<% end_cached %>', array('Foo' => 1)), '1');
$this->assertEquals($this->_runtemplate('<% cached %>$Foo<% end_cached %>', array('Foo' => 2)), '2');
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// Then twice with caching, should get same result each time
$this->_reset(true);
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$this->assertEquals($this->_runtemplate('<% cached %>$Foo<% end_cached %>', array('Foo' => 1)), '1');
$this->assertEquals($this->_runtemplate('<% cached %>$Foo<% end_cached %>', array('Foo' => 2)), '1');
}
/**
* Test that the cacheblocks invalidate when a flush occurs.
*/
public function testBlocksInvalidateOnFlush()
{
Director::test('/?flush=1');
$this->_reset(true);
// Generate cached value for foo = 1
$this->assertEquals($this->_runtemplate('<% cached %>$Foo<% end_cached %>', array('Foo' => 1)), '1');
// Test without flush
Director::test('/');
$this->assertEquals($this->_runtemplate('<% cached %>$Foo<% end_cached %>', array('Foo' => 3)), '1');
// Test with flush
Director::test('/?flush=1');
$this->assertEquals($this->_runtemplate('<% cached %>$Foo<% end_cached %>', array('Foo' => 2)), '2');
}
public function testVersionedCache()
{
if (!class_exists(Versioned::class)) {
$this->markTestSkipped('testVersionedCache requires Versioned extension');
}
$origReadingMode = Versioned::get_reading_mode();
// Run without caching in stage to prove data is uncached
$this->_reset(false);
Versioned::set_stage(Versioned::DRAFT);
$data = new SSViewerCacheBlockTest\VersionedModel();
$data->setEntropy('default');
$this->assertEquals(
'default Stage.Stage',
SSViewer::execute_string('<% cached %>$Inspect<% end_cached %>', $data)
);
$data = new SSViewerCacheBlockTest\VersionedModel();
$data->setEntropy('first');
$this->assertEquals(
'first Stage.Stage',
SSViewer::execute_string('<% cached %>$Inspect<% end_cached %>', $data)
);
// Run without caching in live to prove data is uncached
$this->_reset(false);
Versioned::set_stage(Versioned::LIVE);
$data = new SSViewerCacheBlockTest\VersionedModel();
$data->setEntropy('default');
$this->assertEquals(
'default Stage.Live',
$this->_runtemplate('<% cached %>$Inspect<% end_cached %>', $data)
);
$data = new SSViewerCacheBlockTest\VersionedModel();
$data->setEntropy('first');
$this->assertEquals(
'first Stage.Live',
$this->_runtemplate('<% cached %>$Inspect<% end_cached %>', $data)
);
// Then with caching, initially in draft, and then in live, to prove that
// changing the versioned reading mode doesn't cache between modes, but it does
// within them
$this->_reset(true);
Versioned::set_stage(Versioned::DRAFT);
$data = new SSViewerCacheBlockTest\VersionedModel();
$data->setEntropy('default');
$this->assertEquals(
'default Stage.Stage',
$this->_runtemplate('<% cached %>$Inspect<% end_cached %>', $data)
);
$data = new SSViewerCacheBlockTest\VersionedModel();
$data->setEntropy('first');
$this->assertEquals(
'default Stage.Stage', // entropy should be ignored due to caching
$this->_runtemplate('<% cached %>$Inspect<% end_cached %>', $data)
);
Versioned::set_stage(Versioned::LIVE);
$data = new SSViewerCacheBlockTest\VersionedModel();
$data->setEntropy('first');
$this->assertEquals(
'first Stage.Live', // First hit in live, so display current entropy
$this->_runtemplate('<% cached %>$Inspect<% end_cached %>', $data)
);
$data = new SSViewerCacheBlockTest\VersionedModel();
$data->setEntropy('second');
$this->assertEquals(
'first Stage.Live', // entropy should be ignored due to caching
$this->_runtemplate('<% cached %>$Inspect<% end_cached %>', $data)
);
Versioned::set_reading_mode($origReadingMode);
}
/**
* Test that cacheblocks conditionally cache with if
*/
public function testBlocksConditionallyCacheWithIf()
{
// First, run twice with caching
$this->_reset(true);
$this->assertEquals($this->_runtemplate('<% cached if True %>$Foo<% end_cached %>', array('Foo' => 1)), '1');
$this->assertEquals($this->_runtemplate('<% cached if True %>$Foo<% end_cached %>', array('Foo' => 2)), '1');
// Then twice without caching
$this->_reset(true);
$this->assertEquals($this->_runtemplate('<% cached if False %>$Foo<% end_cached %>', array('Foo' => 1)), '1');
$this->assertEquals($this->_runtemplate('<% cached if False %>$Foo<% end_cached %>', array('Foo' => 2)), '2');
// Then once cached, once not (and the opposite)
$this->_reset(true);
$this->assertEquals(
$this->_runtemplate(
'<% cached if Cache %>$Foo<% end_cached %>',
array('Foo' => 1, 'Cache' => true )
),
'1'
);
$this->assertEquals(
$this->_runtemplate(
'<% cached if Cache %>$Foo<% end_cached %>',
array('Foo' => 2, 'Cache' => false)
),
'2'
);
$this->_reset(true);
$this->assertEquals(
$this->_runtemplate(
'<% cached if Cache %>$Foo<% end_cached %>',
array('Foo' => 1, 'Cache' => false)
),
'1'
);
$this->assertEquals(
$this->_runtemplate(
'<% cached if Cache %>$Foo<% end_cached %>',
array('Foo' => 2, 'Cache' => true )
),
'2'
);
}
/**
* Test that cacheblocks conditionally cache with unless
*/
public function testBlocksConditionallyCacheWithUnless()
{
// First, run twice with caching
$this->_reset(true);
$this->assertEquals(
$this->_runtemplate(
'<% cached unless False %>$Foo<% end_cached %>',
array('Foo' => 1)
),
'1'
);
$this->assertEquals(
$this->_runtemplate(
'<% cached unless False %>$Foo<% end_cached %>',
array('Foo' => 2)
),
'1'
);
// Then twice without caching
$this->_reset(true);
$this->assertEquals(
$this->_runtemplate(
'<% cached unless True %>$Foo<% end_cached %>',
array('Foo' => 1)
),
'1'
);
$this->assertEquals(
$this->_runtemplate(
'<% cached unless True %>$Foo<% end_cached %>',
array('Foo' => 2)
),
'2'
);
}
/**
* Test that nested uncached blocks work
*/
public function testNestedUncachedBlocks()
{
// First, run twice with caching, to prove we get the same result back normally
$this->_reset(true);
$this->assertEquals(
$this->_runtemplate(
'<% cached %> A $Foo B <% end_cached %>',
array('Foo' => 1)
),
' A 1 B '
);
$this->assertEquals(
$this->_runtemplate(
'<% cached %> A $Foo B <% end_cached %>',
array('Foo' => 2)
),
' A 1 B '
);
// Then add uncached to the nested block
$this->_reset(true);
$this->assertEquals(
$this->_runtemplate(
'<% cached %> A <% uncached %>$Foo<% end_uncached %> B <% end_cached %>',
array('Foo' => 1)
),
' A 1 B '
);
$this->assertEquals(
$this->_runtemplate(
'<% cached %> A <% uncached %>$Foo<% end_uncached %> B <% end_cached %>',
array('Foo' => 2)
),
' A 2 B '
);
}
/**
* Test that nested blocks with different keys works
*/
public function testNestedBlocks()
{
$this->_reset(true);
$template = '<% cached Foo %> $Fooa <% cached Bar %>$Bara<% end_cached %> $Foob <% end_cached %>';
// Do it the first time to load the cache
$this->assertEquals(
$this->_runtemplate(
$template,
array('Foo' => 1, 'Fooa' => 1, 'Foob' => 3, 'Bar' => 1, 'Bara' => 2)
),
' 1 2 3 '
);
// Do it again, the input values are ignored as the cache is hit for both elements
$this->assertEquals(
$this->_runtemplate(
$template,
array('Foo' => 1, 'Fooa' => 9, 'Foob' => 9, 'Bar' => 1, 'Bara' => 9)
),
' 1 2 3 '
);
// Do it again with a new key for Bar, Bara is picked up, Fooa and Foob are not
$this->assertEquals(
$this->_runtemplate(
$template,
array('Foo' => 1, 'Fooa' => 9, 'Foob' => 9, 'Bar' => 2, 'Bara' => 9)
),
' 1 9 3 '
);
// Do it again with a new key for Foo, Fooa and Foob are picked up, Bara are not
$this->assertEquals(
$this->_runtemplate(
$template,
array('Foo' => 2, 'Fooa' => 9, 'Foob' => 9, 'Bar' => 2, 'Bara' => 1)
),
' 9 9 9 '
);
}
public function testNoErrorMessageForControlWithinCached()
{
$this->_reset(true);
$this->assertNotNull($this->_runtemplate('<% cached %><% with Foo %>$Bar<% end_with %><% end_cached %>'));
}
/**
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* @expectedException \SilverStripe\View\SSTemplateParseException
*/
public function testErrorMessageForCachedWithinControlWithinCached()
{
$this->_reset(true);
$this->_runtemplate(
'<% cached %><% with Foo %><% cached %>$Bar<% end_cached %><% end_with %><% end_cached %>'
);
}
public function testNoErrorMessageForCachedWithinControlWithinUncached()
{
$this->_reset(true);
$this->assertNotNull(
$this->_runtemplate(
'<% uncached %><% with Foo %><% cached %>$Bar<% end_cached %><% end_with %><% end_uncached %>'
)
);
}
/**
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* @expectedException \SilverStripe\View\SSTemplateParseException
*/
public function testErrorMessageForCachedWithinIf()
{
$this->_reset(true);
$this->_runtemplate('<% cached %><% if Foo %><% cached %>$Bar<% end_cached %><% end_if %><% end_cached %>');
}
/**
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* @expectedException \SilverStripe\View\SSTemplateParseException
*/
public function testErrorMessageForInvalidConditional()
{
$this->_reset(true);
$this->_runtemplate('<% cached Foo if %>$Bar<% end_cached %>');
}
}