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<?php
/**
* Created on Feb 10, 2013
*
* Copyright © 2013 Yuri Astrakhan "<Firstname><Lastname>@gmail.com"
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
*/
/** This class has some common functionality for testing query module
*/
abstract class ApiQueryTestBase extends ApiTestCase {
const PARAM_ASSERT = <<<STR
Each parameter must be an array of two elements,
first - an array of params to the API call,
and the second array - expected results as returned by the API
STR;
/**
* Merges all requests parameter + expected values into one
* @param array $v,... List of arrays, each of which contains exactly two
* @return array
*/
protected function merge( /*...*/ ) {
$request = array();
$expected = array();
foreach ( func_get_args() as $v ) {
list( $req, $exp ) = $this->validateRequestExpectedPair( $v );
$request = array_merge_recursive( $request, $req );
$this->mergeExpected( $expected, $exp );
}
return array( $request, $expected );
}
/**
* Check that the parameter is a valid two element array,
* with the first element being API request and the second - expected result
* @param array $v
* @return array
*/
private function validateRequestExpectedPair( $v ) {
$this->assertType( 'array', $v, self::PARAM_ASSERT );
$this->assertEquals( 2, count( $v ), self::PARAM_ASSERT );
$this->assertArrayHasKey( 0, $v, self::PARAM_ASSERT );
$this->assertArrayHasKey( 1, $v, self::PARAM_ASSERT );
$this->assertType( 'array', $v[0], self::PARAM_ASSERT );
$this->assertType( 'array', $v[1], self::PARAM_ASSERT );
return $v;
}
/**
* Recursively merges the expected values in the $item into the $all
* @param array &$all
* @param array $item
*/
private function mergeExpected( &$all, $item ) {
foreach ( $item as $k => $v ) {
if ( array_key_exists( $k, $all ) ) {
if ( is_array( $all[$k] ) ) {
$this->mergeExpected( $all[$k], $v );
} else {
$this->assertEquals( $all[$k], $v );
}
} else {
$all[$k] = $v;
}
}
}
/**
* Checks that the request's result matches the expected results.
* @param array $values Array is a two element array( request, expected_results )
* @throws Exception
*/
protected function check( $values ) {
list( $req, $exp ) = $this->validateRequestExpectedPair( $values );
if ( !array_key_exists( 'action', $req ) ) {
$req['action'] = 'query';
}
foreach ( $req as &$val ) {
if ( is_array( $val ) ) {
$val = implode( '|', array_unique( $val ) );
}
}
$result = $this->doApiRequest( $req );
$this->assertResult( array( 'query' => $exp ), $result[0], $req );
}
protected function assertResult( $exp, $result, $message = '' ) {
try {
$exp = self::sanitizeResultArray( $exp );
$result = self::sanitizeResultArray( $result );
$this->assertEquals( $exp, $result );
} catch ( PHPUnit_Framework_ExpectationFailedException $e ) {
if ( is_array( $message ) ) {
$message = http_build_query( $message );
}
throw new PHPUnit_Framework_ExpectationFailedException(
$e->getMessage() . "\nRequest: $message",
new PHPUnit_Framework_ComparisonFailure(
$exp,
$result,
print_r( $exp, true ),
print_r( $result, true ),
false,
$e->getComparisonFailure()->getMessage() . "\nRequest: $message"
)
);
}
}
/**
* Recursively ksorts a result array and removes any 'pageid' keys.
* @param array $result
* @return array
*/
private static function sanitizeResultArray( $result ) {
unset( $result['pageid'] );
foreach ( $result as $key => $value ) {
if ( is_array( $value ) ) {
$result[$key] = self::sanitizeResultArray( $value );
}
}
// Sort the result by keys, then take advantage of how array_merge will
// renumber numeric keys while leaving others alone.
ksort( $result );
return array_merge( $result );
}
}
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