/**
* Tests whether the actual constraint name is correctly computed.
*
* @param string $table_name
* The table name the constrained column belongs to.
* @param string $name
* The constraint name.
* @param string $expected
* The expected computed constraint name.
*
* @covers ::constraintExists
* @dataProvider providerComputedConstraintName
*/
public function testComputedConstraintName($table_name, $name, $expected)
{
$max_identifier_length = 63;
$schema = new Schema($this->connection);
$statement = $this->getMock('\\Drupal\\Core\\Database\\StatementInterface');
$statement->expects($this->any())->method('fetchField')->willReturn($max_identifier_length);
$this->connection->expects($this->any())->method('query')->willReturn($statement);
$this->connection->expects($this->at(2))->method('query')->with("SELECT 1 FROM pg_constraint WHERE conname = '{$expected}'")->willReturn($this->getMock('\\Drupal\\Core\\Database\\StatementInterface'));
$schema->constraintExists($table_name, $name);
}
/**
* @covers ::escapeField
* @dataProvider providerEscapeFields
*/
public function testEscapeField($expected, $name)
{
$pgsql_connection = new Connection($this->mock_pdo, array());
$this->assertEquals($expected, $pgsql_connection->escapeField($name));
}