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dbdelta.php
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452 lines (369 loc) · 9.39 KB
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<?php
/**
* Test dbDelta()
*
* @group upgrade
* @group dbdelta
*/
class Tests_dbDelta extends WP_UnitTestCase {
/**
* Make sure the upgrade code is loaded before the tests are run.
*/
public static function setUpBeforeClass() {
parent::setUpBeforeClass();
require_once( ABSPATH . 'wp-admin/includes/upgrade.php' );
}
/**
* Create a custom table to be used in each test.
*/
public function setUp() {
global $wpdb;
// Forcing MyISAM, because InnoDB only started supporting FULLTEXT indexes in MySQL 5.7.
$wpdb->query(
"
CREATE TABLE {$wpdb->prefix}dbdelta_test (
id bigint(20) NOT NULL AUTO_INCREMENT,
column_1 varchar(255) NOT NULL,
column_2 text,
column_3 blob,
PRIMARY KEY (id),
KEY key_1 (column_1),
KEY compound_key (id,column_1),
FULLTEXT KEY fulltext_key (column_1)
) ENGINE=MyISAM
"
);
parent::setUp();
}
/**
* Delete the custom table on teardown.
*/
public function tearDown() {
global $wpdb;
parent::tearDown();
$wpdb->query( "DROP TABLE IF EXISTS {$wpdb->prefix}dbdelta_test" );
}
/**
* Test table creation.
*/
public function test_creating_a_table() {
remove_filter( 'query', array( $this, '_create_temporary_tables' ) );
remove_filter( 'query', array( $this, '_drop_temporary_tables' ) );
global $wpdb;
$updates = dbDelta(
"CREATE TABLE {$wpdb->prefix}dbdelta_create_test (
id bigint(20) NOT NULL AUTO_INCREMENT,
column_1 varchar(255) NOT NULL,
PRIMARY KEY (id)
);"
);
$expected = array(
"{$wpdb->prefix}dbdelta_create_test" => "Created table {$wpdb->prefix}dbdelta_create_test"
);
$this->assertEquals( $expected, $updates );
$this->assertEquals(
"{$wpdb->prefix}dbdelta_create_test"
, $wpdb->get_var(
$wpdb->prepare(
'SHOW TABLES LIKE %s'
, $wpdb->esc_like( "{$wpdb->prefix}dbdelta_create_test" )
)
)
);
$wpdb->query( "DROP TABLE {$wpdb->prefix}dbdelta_create_test" );
}
/**
* Test that it does nothing for an existing table.
*/
public function test_existing_table() {
global $wpdb;
$updates = dbDelta(
"
CREATE TABLE {$wpdb->prefix}dbdelta_test (
id bigint(20) NOT NULL AUTO_INCREMENT,
column_1 varchar(255) NOT NULL,
PRIMARY KEY (id),
KEY key_1 (column_1),
KEY compound_key (id,column_1)
)
"
);
$this->assertEquals( array(), $updates );
}
/**
* Test the column type is updated.
*/
public function test_column_type_change() {
global $wpdb;
// id: bigint(20) => int(11)
$updates = dbDelta(
"
CREATE TABLE {$wpdb->prefix}dbdelta_test (
id int(11) NOT NULL AUTO_INCREMENT,
column_1 varchar(255) NOT NULL,
PRIMARY KEY (id),
KEY key_1 (column_1),
KEY compound_key (id,column_1)
)
"
);
$this->assertEquals(
array(
"{$wpdb->prefix}dbdelta_test.id"
=> "Changed type of {$wpdb->prefix}dbdelta_test.id from bigint(20) to int(11)"
)
, $updates
);
}
/**
* Test new column added.
*/
public function test_column_added() {
global $wpdb;
$updates = dbDelta(
"
CREATE TABLE {$wpdb->prefix}dbdelta_test (
id bigint(20) NOT NULL AUTO_INCREMENT,
column_1 varchar(255) NOT NULL,
extra_col longtext,
PRIMARY KEY (id),
KEY key_1 (column_1),
KEY compound_key (id,column_1)
)
"
);
$this->assertEquals(
array(
"{$wpdb->prefix}dbdelta_test.extra_col"
=> "Added column {$wpdb->prefix}dbdelta_test.extra_col"
)
, $updates
);
$this->assertTableHasColumn( 'column_1', $wpdb->prefix . 'dbdelta_test' );
}
/**
* Test that it does nothing when a column is removed.
*
* @ticket 26801
*/
public function test_columns_arent_removed() {
global $wpdb;
// No column column_1
$updates = dbDelta(
"
CREATE TABLE {$wpdb->prefix}dbdelta_test (
id bigint(20) NOT NULL AUTO_INCREMENT,
PRIMARY KEY (id),
KEY key_1 (column_1),
KEY compound_key (id,column_1)
)
"
);
$this->assertEquals( array(), $updates );
$this->assertTableHasColumn( 'column_1', $wpdb->prefix . 'dbdelta_test' );
}
/**
* Test that nothing happens with $execute is false.
*/
public function test_no_execution() {
global $wpdb;
// Added column extra_col
$updates = dbDelta(
"
CREATE TABLE {$wpdb->prefix}dbdelta_test (
id bigint(20) NOT NULL AUTO_INCREMENT,
column_1 varchar(255) NOT NULL,
extra_col longtext,
PRIMARY KEY (id),
KEY key_1 (column_1),
KEY compound_key (id,column_1)
)
"
, false // Don't execute.
);
$this->assertEquals(
array(
"{$wpdb->prefix}dbdelta_test.extra_col"
=> "Added column {$wpdb->prefix}dbdelta_test.extra_col"
)
, $updates
);
$this->assertTableHasNotColumn( 'extra_col', $wpdb->prefix . 'dbdelta_test' );
}
/**
* Test inserting into the database
*/
public function test_insert_into_table(){
global $wpdb;
$insert = dbDelta(
"INSERT INTO {$wpdb->prefix}dbdelta_test (column_1) VALUES ('wcphilly2015')"
);
$this->assertEquals(
array( )
, $insert
);
$this->assertTableRowHasValue( 'column_1', 'wcphilly2015', $wpdb->prefix . 'dbdelta_test' );
}
/**
* Test that FULLTEXT indexes are detected.
* @ticket 14445
*/
public function test_fulltext_index() {
global $wpdb;
$updates = dbDelta(
"
CREATE TABLE {$wpdb->prefix}dbdelta_test (
id bigint(20) NOT NULL AUTO_INCREMENT,
column_1 varchar(255) NOT NULL,
PRIMARY KEY (id),
KEY key_1 (column_1),
KEY compound_key (id,column_1),
FULLTEXT KEY fulltext_key (column_1)
)
", false
);
$this->assertEmpty( $updates );
}
//
// Assertions.
//
/**
* Assert that a table has a row with a value in a field.
*
* @param string $column The field name.
* @param string $value The field value.
* @param string $table The database table name.
*/
protected function assertTableRowHasValue( $column, $value, $table ) {
global $wpdb;
$table_row = $wpdb->get_row( "select $column from {$table} where $column = '$value'" );
$expected = (object) array(
$column => $value
);
$this->assertEquals( $expected, $table_row );
}
/**
* Assert that a table has a column.
*
* @param string $column The field name.
* @param string $table The database table name.
*/
protected function assertTableHasColumn( $column, $table ) {
global $wpdb;
$table_fields = $wpdb->get_results( "DESCRIBE {$table}" );
$this->assertCount( 1, wp_list_filter( $table_fields, array( 'Field' => $column ) ) );
}
/**
* Assert that a table doesn't have a column.
*
* @param string $column The field name.
* @param string $table The database table name.
*/
protected function assertTableHasNotColumn( $column, $table ) {
global $wpdb;
$table_fields = $wpdb->get_results( "DESCRIBE {$table}" );
$this->assertCount( 0, wp_list_filter( $table_fields, array( 'Field' => $column ) ) );
}
/**
* @ticket 31869
*/
function test_truncated_index() {
global $wpdb;
if ( ! $wpdb->has_cap( 'utf8mb4' ) ) {
$this->markTestSkipped( 'This test requires utf8mb4 support in MySQL.' );
}
$table_name = 'test_truncated_index';
$create = "CREATE TABLE $table_name (\n a varchar(255) COLLATE utf8mb4_unicode_ci,\n KEY a (a)\n)";
$wpdb->query( $create );
$actual = dbDelta( $create, false );
$this->assertSame( array(), $actual );
}
/**
* @ticket 36748
*/
function test_dont_downsize_text_fields() {
global $wpdb;
$result = dbDelta(
"
CREATE TABLE {$wpdb->prefix}dbdelta_test (
id bigint(20) NOT NULL AUTO_INCREMENT,
column_1 varchar(255) NOT NULL,
column_2 tinytext,
column_3 blob,
PRIMARY KEY (id),
KEY key_1 (column_1),
KEY compound_key (id,column_1),
FULLTEXT KEY fulltext_key (column_1)
) ENGINE=MyISAM
", false );
$this->assertSame( array(), $result );
}
/**
* @ticket 36748
*/
function test_dont_downsize_blob_fields() {
global $wpdb;
$result = dbDelta(
"
CREATE TABLE {$wpdb->prefix}dbdelta_test (
id bigint(20) NOT NULL AUTO_INCREMENT,
column_1 varchar(255) NOT NULL,
column_2 text,
column_3 tinyblob,
PRIMARY KEY (id),
KEY key_1 (column_1),
KEY compound_key (id,column_1),
FULLTEXT KEY fulltext_key (column_1)
) ENGINE=MyISAM
", false );
$this->assertSame( array(), $result );
}
/**
* @ticket 36748
*/
function test_upsize_text_fields() {
global $wpdb;
$result = dbDelta(
"
CREATE TABLE {$wpdb->prefix}dbdelta_test (
id bigint(20) NOT NULL AUTO_INCREMENT,
column_1 varchar(255) NOT NULL,
column_2 bigtext,
column_3 blob,
PRIMARY KEY (id),
KEY key_1 (column_1),
KEY compound_key (id,column_1),
FULLTEXT KEY fulltext_key (column_1)
) ENGINE=MyISAM
", false );
$this->assertSame(
array(
"{$wpdb->prefix}dbdelta_test.column_2"
=> "Changed type of {$wpdb->prefix}dbdelta_test.column_2 from text to bigtext"
), $result );
}
/**
* @ticket 36748
*/
function test_upsize_blob_fields() {
global $wpdb;
$result = dbDelta(
"
CREATE TABLE {$wpdb->prefix}dbdelta_test (
id bigint(20) NOT NULL AUTO_INCREMENT,
column_1 varchar(255) NOT NULL,
column_2 text,
column_3 mediumblob,
PRIMARY KEY (id),
KEY key_1 (column_1),
KEY compound_key (id,column_1),
FULLTEXT KEY fulltext_key (column_1)
) ENGINE=MyISAM
", false );
$this->assertSame(
array(
"{$wpdb->prefix}dbdelta_test.column_3"
=> "Changed type of {$wpdb->prefix}dbdelta_test.column_3 from blob to mediumblob"
), $result );
}
}