Inheritance diagram for PNGMetadataExtractorTest:

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Collaboration diagram for PNGMetadataExtractorTest:

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Public Member Functions
	testApngAnimationMetadata ()
	Given an animated APNG image file check it gets animated metadata right.

	testPngBitDepth1 ()

	testPngBitDepth8 ()

	testPngGreyscaleColour ()

	testPngGreyscaleNoAlphaColour ()

	testPngIndexColour ()

	testPngNativeText ()
	Test tEXt tag (Uncompressed textual metadata)

	testPngNativeTextNonAscii ()
	tEXt tags must be encoded iso-8859-1 (vs iTXt which are utf-8) Make sure non-ascii characters get converted properly

	testPngNativetZtxt ()
	Tests zTXt tag (compressed textual metadata)

	testPngRgbColour ()

	testPngRgbNoAlphaColour ()

	testStaticPngAnimationMetadata ()
	Test extraction of pHYs tags, which can tell what the actual resolution of the image is (aka in dots per meter).

Public Member Functions inherited from MediaWikiTestCase
	__call ( $func, $args)

	__construct ( $name=null, array $data=[], $dataName='')

	__destruct ()

	addDBData ()
	Stub.

	addDBDataOnce ()
	Stub.

	dbPrefix ()

	getCliArg ( $offset)

	hideDeprecated ( $function)
	Don't throw a warning if $function is deprecated and called later.

	needsDB ()

	run (PHPUnit_Framework_TestResult $result=null)

	setCliArg ( $offset, $value)

	setContentLang ( $lang)

	setupAllTestDBs ()
	Set up all test DBs.

	setUserLang ( $lang)

	testMediaWikiTestCaseParentSetupCalled ()
	Make sure MediaWikiTestCase extending classes have called their parent setUp method.

	usesTemporaryTables ()

Protected Member Functions
	setUp ()

Protected Member Functions inherited from MediaWikiTestCase
	addTmpFiles ( $files)

	arrayWrap (array $elements)
	Utility method taking an array of elements and wrapping each element in its own array.

	assertArrayEquals (array $expected, array $actual, $ordered=false, $named=false)
	Assert that two arrays are equal.

	assertFileContains ( $fileName, $actualData, $createIfMissing=true, $msg='')
	Check whether file contains given data.

	assertHTMLEquals ( $expected, $actual, $msg='')
	Put each HTML element on its own line and then equals() the results.

	assertSelect ( $table, $fields, $condition, array $expectedRows)
	Asserts that the given database query yields the rows given by $expectedRows.

	assertType ( $type, $actual, $message='')
	Asserts the type of the provided value.

	assertTypeOrValue ( $type, $actual, $value=false, $message='')
	Asserts that the provided variable is of the specified internal type or equals the $value argument.

	assertValidHtmlDocument ( $html)
	Asserts that the given string is valid HTML document.

	assertValidHtmlSnippet ( $html)
	Asserts that the given string is a valid HTML snippet.

	checkDbIsSupported ()

	checkPHPExtension ( $extName)
	Check if $extName is a loaded PHP extension, will skip the test whenever it is not loaded.

	getDefaultWikitextNS ()
	Returns the ID of a namespace that defaults to Wikitext.

	getNewTempDirectory ()
	obtains a new temporary directory

	getNewTempFile ()
	Obtains a new temporary file name.

	insertPage ( $pageName, $text='Sample page for unit test.', $namespace=null)
	Insert a new page.

	isWikitextNS ( $ns)
	Returns true if the given namespace defaults to Wikitext according to $wgNamespaceContentModels.

	markTestSkippedIfNoDiff3 ()
	Check, if $wgDiff3 is set and ready to merge Will mark the calling test as skipped, if not ready.

	mergeMwGlobalArrayValue ( $name, $values)
	Merges the given values into a MW global array variable.

	objectAssociativeSort (array &$array)
	Does an associative sort that works for objects.

	overrideMwServices (Config $configOverrides=null, array $services=[])
	Stashes the global instance of MediaWikiServices, and installs a new one, allowing test cases to override settings and services.

	setLogger ( $channel, LoggerInterface $logger)
	Sets the logger for a specified channel, for the duration of the test.

	setMwGlobals ( $pairs, $value=null)
	Sets a global, maintaining a stashed version of the previous global to be restored in tearDown.

	setService ( $name, $object)
	Sets a service, maintaining a stashed version of the previous service to be restored in tearDown.

	setTemporaryHook ( $hookName, $handler)
	Create a temporary hook handler which will be reset by tearDown.

	stashMwGlobals ( $globalKeys)
	Stashes the global, will be restored in tearDown()

	tearDown ()

Additional Inherited Members
Static Public Member Functions inherited from MediaWikiTestCase
static	getMutableTestUser ( $groups=[])
	Convenience method for getting a mutable test user.

static	getTestSysop ()
	Convenience method for getting an immutable admin test user.

static	getTestUser ( $groups=[])
	Convenience method for getting an immutable test user.

static	listTables (IMaintainableDatabase $db)

static	prepareServices (Config $bootstrapConfig)
	Prepare service configuration for unit testing.

static	setUpBeforeClass ()

static	setupTestDB (Database $db, $prefix)
	Creates an empty skeleton of the wiki database by cloning its structure to equivalent tables using the given $prefix.

static	teardownTestDB ()
	Restores MediaWiki to using the table set (table prefix) it was using before setupTestDB() was called.

static	wfResetOutputBuffersBarrier ( $buffer)
	Used as a marker to prevent wfResetOutputBuffers from breaking PHPUnit.

Public Attributes inherited from MediaWikiTestCase
const	DB_PREFIX = 'unittest_'
	Table name prefixes.

const	ORA_DB_PREFIX = 'ut_'

Static Public Attributes inherited from MediaWikiTestCase
static TestUser[]	$users

Static Protected Member Functions inherited from MediaWikiTestCase
static	getExternalStoreDatabaseConnections ()
	Gets master database connections for all of the ExternalStoreDB stores configured in $wgDefaultExternalStore.

static	isUsingExternalStoreDB ()
	Check whether ExternalStoreDB is being used.

static	resetGlobalServices (Config $bootstrapConfig=null)
	Reset global services, and install testing environment.

static	setupDatabaseWithTestPrefix (IMaintainableDatabase $db, $prefix)
	Setups a database with the given prefix.

static	setupExternalStoreTestDBs ( $testPrefix)
	Clones the External Store database(s) for testing.

static	stripStringKeys (&$r)
	Utility function for eliminating all string keys from an array.

Protected Attributes inherited from MediaWikiTestCase
Database	$db
	Primary database.

array	$supportedDBs

array	$tablesUsed = []