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<?php |
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namespace SmrTest\lib\DefaultGame; |
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use DI\Container; |
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use Error; |
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use MySqlDatabase; |
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use mysqli; |
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use PHPUnit\Framework\TestCase; |
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use RuntimeException; |
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use Smr\Container\DiContainer; |
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use Smr\MySqlProperties; |
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class MySqlDatabaseTest extends TestCase { |
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private Container $container; |
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private $mysql; |
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protected function setUp(): void { |
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DiContainer::initializeContainer(); |
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$this->container = DiContainer::getContainer(); |
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$this->mysql = $this->createMock(mysqli::class); |
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// Replace the factory definition for mysqli object with our mock, so when |
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// requesting a mysqli instance, it will always return a mock for this test |
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$this->container->set(mysqli::class, $this->mysql); |
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} |
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public function test_mysql_factory() { |
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// Given mysql properties are retrieved from the container |
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$mysqlProperties = $this->container->get(MySqlProperties::class); |
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// When using the factory to retrieve a mysqli instance |
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$mysqlDatabase = MySqlDatabase::mysqliFactory($mysqlProperties); |
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// Then the connection is successful |
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self::assertNotNull($mysqlDatabase->server_info); |
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} |
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public function test__construct_happy_path() { |
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$this->mysql |
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->expects(self::once()) |
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->method("character_set_name") |
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->willReturn("utf8"); |
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$mysqlDatabase = $this->container->get(MySqlDatabase::class); |
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$this->assertNotNull($mysqlDatabase); |
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} |
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public function test__construct_invalid_character_set_throws_exception() { |
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$this->expectException(RuntimeException::class); |
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$this->mysql |
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->expects(self::once()) |
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->method("character_set_name") |
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->willReturn("invalid character set"); |
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// MySqlDatabase::getInstance() is also a valid way to retrieve the managed class instance. |
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MySqlDatabase::getInstance(); |
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} |
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public function test_performing_operations_on_closed_database_throws_error() { |
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// Expectations |
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$this->expectException(Error::class); |
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$this->expectExceptionMessage('Typed property MySqlDatabase::$dbConn must not be accessed before initialization'); |
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// Given mysqli return valid charset |
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$this->mysql |
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->expects(self::once()) |
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->method("character_set_name") |
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->willReturn("utf8"); |
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// And a mysql database instance |
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$mysqlDatabase = MySqlDatabase::getInstance(); |
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// And disconnect is called |
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$mysqlDatabase->close(); |
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// When calling database methods |
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$mysqlDatabase->query("foo query"); |
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} |
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public function test_getInstance_will_perform_reconnect_after_connection_closed() { |
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// Given mysqli return valid charset |
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$this->mysql |
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->expects(self::once()) |
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->method("character_set_name") |
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->willReturn("utf8"); |
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// And a mysql database instance |
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$mysqlDatabase = MySqlDatabase::getInstance(); |
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// And disconnect is called |
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$mysqlDatabase->close(); |
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// And mysql database is retrieved from the container |
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$mysqlDatabase = MySqlDatabase::getInstance(); |
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// When performing a query |
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$mysqlDatabase->query("select 1"); |
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// Then new mysqli instance is not the same as the initial mock |
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self::assertNotSame($this->mysql, $this->container->get(mysqli::class)); |
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} |
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public function test_getInstance_will_not_perform_reconnect_if_connection_not_closed() { |
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// Given mysqli return valid charset |
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$this->mysql |
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->expects(self::once()) |
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->method("character_set_name") |
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->willReturn("utf8"); |
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// And a mysql database instance |
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MySqlDatabase::getInstance(); |
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// And get instance is called again |
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MySqlDatabase::getInstance(); |
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// Then the two mysqli instances are the same |
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self::assertSame($this->mysql, $this->container->get(mysqli::class)); |
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} |
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public function test_getInstance_will_return_reconnected_instance_when_called_multiple_times_after_closing_connection() { |
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// Given mysqli return valid charset |
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$this->mysql |
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->expects(self::once()) |
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->method("character_set_name") |
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->willReturn("utf8"); |
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// And a mysql database instance |
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$mysqlDatabase = MySqlDatabase::getInstance(); |
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// And disconnect is called |
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$mysqlDatabase->close(); |
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// And mysql database is retrieved from the container |
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$mysqlDatabase2 = MySqlDatabase::getInstance(); |
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$mysqlDatabase3 = MySqlDatabase::getInstance(); |
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// Then the two new container retrievals are the same |
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self::assertSame($mysqlDatabase2, $mysqlDatabase3); |
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// And the original mysql database object is not the same reference as the others |
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self::assertNotSame($mysqlDatabase, $mysqlDatabase2); |
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} |
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} |
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smrealms /
smr
