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-rw-r--r--tests/phpunit/includes/utils/CdbTest.php90
1 files changed, 90 insertions, 0 deletions
diff --git a/tests/phpunit/includes/utils/CdbTest.php b/tests/phpunit/includes/utils/CdbTest.php
new file mode 100644
index 00000000..487ee1fc
--- /dev/null
+++ b/tests/phpunit/includes/utils/CdbTest.php
@@ -0,0 +1,90 @@
+<?php
+
+/**
+ * Test the CDB reader/writer
+ * @covers CdbWriterPHP
+ * @covers CdbWriterDBA
+ */
+class CdbTest extends MediaWikiTestCase {
+
+ protected function setUp() {
+ parent::setUp();
+ if ( !CdbReader::haveExtension() ) {
+ $this->markTestSkipped( 'Native CDB support is not available' );
+ }
+ }
+
+ /**
+ * @group medium
+ */
+ public function testCdb() {
+ $dir = wfTempDir();
+ if ( !is_writable( $dir ) ) {
+ $this->markTestSkipped( "Temp dir isn't writable" );
+ }
+
+ $phpcdbfile = $this->getNewTempFile();
+ $dbacdbfile = $this->getNewTempFile();
+
+ $w1 = new CdbWriterPHP( $phpcdbfile );
+ $w2 = new CdbWriterDBA( $dbacdbfile );
+
+ $data = array();
+ for ( $i = 0; $i < 1000; $i++ ) {
+ $key = $this->randomString();
+ $value = $this->randomString();
+ $w1->set( $key, $value );
+ $w2->set( $key, $value );
+
+ if ( !isset( $data[$key] ) ) {
+ $data[$key] = $value;
+ }
+ }
+
+ $w1->close();
+ $w2->close();
+
+ $this->assertEquals(
+ md5_file( $phpcdbfile ),
+ md5_file( $dbacdbfile ),
+ 'same hash'
+ );
+
+ $r1 = new CdbReaderPHP( $phpcdbfile );
+ $r2 = new CdbReaderDBA( $dbacdbfile );
+
+ foreach ( $data as $key => $value ) {
+ if ( $key === '' ) {
+ // Known bug
+ continue;
+ }
+ $v1 = $r1->get( $key );
+ $v2 = $r2->get( $key );
+
+ $v1 = $v1 === false ? '(not found)' : $v1;
+ $v2 = $v2 === false ? '(not found)' : $v2;
+
+ # cdbAssert( 'Mismatch', $key, $v1, $v2 );
+ $this->cdbAssert( "PHP error", $key, $v1, $value );
+ $this->cdbAssert( "DBA error", $key, $v2, $value );
+ }
+ }
+
+ private function randomString() {
+ $len = mt_rand( 0, 10 );
+ $s = '';
+ for ( $j = 0; $j < $len; $j++ ) {
+ $s .= chr( mt_rand( 0, 255 ) );
+ }
+
+ return $s;
+ }
+
+ private function cdbAssert( $msg, $key, $v1, $v2 ) {
+ $this->assertEquals(
+ $v2,
+ $v1,
+ $msg . ', k=' . bin2hex( $key )
+ );
+ }
+}