class SchemaDefinitionTest

class SchemaDefinitionTest extends UnitTestCase {
  
  /**
   * Tests Schema.
   */
  public function testSchemaMethods() : void {
    $schemaDefinition = new Schema(type: SchemaDefinitionType::Test, name: 'test_foo_bar', tables: [
      new Table(name: 'foo', description: 'Foo table for the database unit tests.', columns: [
        Column::serial(name: 'id'),
      ], primaryKey: new PrimaryKey([
        'id',
      ])),
      new Table(name: 'bar', description: 'Bar table for the database unit tests.', columns: [
        Column::serial(name: 'id'),
      ], primaryKey: new PrimaryKey([
        'id',
      ])),
    ]);
    // Check ::tableNames().
    $this->assertSame([
      'foo',
      'bar',
    ], $schemaDefinition->tableNames());
    // Check ::getTableDefinition().
    $tableDefinition = $schemaDefinition->getTableDefinition('foo');
    $this->assertInstanceOf(Table::class, $tableDefinition);
    $this->assertSame('foo', $tableDefinition->name);
    $this->assertSame('Foo table for the database unit tests.', $tableDefinition->description);
  }
  
  /**
   * Tests passing a non Table array member to Schema::$tables.
   */
  public function testInvalidTableInSchema() : void {
    $this->expectException(SchemaDefinitionException::class);
    $this->expectExceptionMessage('All members of the \'tables\' argument of a Schema must be Table objects');
    $table = new Schema(type: SchemaDefinitionType::Test, name: 'test', tables: [
      'foo' => [
        'description' => 'Foo table for the database unit tests.',
        'fields' => [
          'id' => [
            'type' => 'serial',
            'unsigned' => TRUE,
            'not null' => TRUE,
          ],
        ],
        'primary key' => [
          'id',
        ],
      ],
    ]);
    $this->assertInstanceOf(Table::class, $table);
  }
  
  /**
   * Tests passing a non Column array member to Table::$columns.
   */
  public function testInvalidColumnInTable() : void {
    $this->expectException(SchemaDefinitionException::class);
    $this->expectExceptionMessage('All members of the \'columns\' argument of the \'test\' Table must be Column objects');
    $table = new Table(name: 'test', columns: [
      'name' => [
        'description' => "A person's name",
        'type' => 'varchar_ascii',
        'length' => 255,
        'not null' => TRUE,
        'default' => '',
        'binary' => TRUE,
      ],
    ], primaryKey: new PrimaryKey([
      'id',
    ]));
    $this->assertInstanceOf(Table::class, $table);
  }
  
  /**
   * Tests passing a non Column array member to Table::$columns.
   */
  public function testInvalidForeignKeyForMismatchingColumnCount() : void {
    $this->expectException(SchemaDefinitionException::class);
    $this->expectExceptionMessage('Mismatching count of columns for the \'user_id\' foreign key');
    $table = new Table(name: 'test', description: 'Basic test table for the database unit tests.', columns: [
      Column::serial(name: 'id'),
      Column::varcharAscii(name: 'name', description: "A person's name", length: 255, notNull: TRUE, default: new StringValue(''), binary: TRUE),
    ], primaryKey: new PrimaryKey([
      'id',
    ]), foreignKeys: [
      new ForeignKey(name: 'user_id', foreignTable: 'test_users', columns: [
        'id',
        'name',
      ], foreignColumns: [
        'id',
      ]),
    ]);
    $this->assertInstanceOf(Table::class, $table);
  }
  
  /**
   * Tests Serial column.
   */
  public function testInvalidSerialForDefault() : void {
    $this->expectException(SchemaDefinitionException::class);
    $this->expectExceptionMessageIs('Cannot set a int default for column \'id\'');
    new Table(name: 'test', columns: [
      Column::create(name: 'id', type: ColumnType::Serial, default: new IntValue(1)),
      Column::varcharAscii(name: 'foo'),
    ], primaryKey: new PrimaryKey([
      'id',
    ]));
  }
  
  /**
   * Tests Serial column.
   */
  public function testInvalidSerialForNotNull() : void {
    $this->expectException(SchemaDefinitionException::class);
    $this->expectExceptionMessage('Cannot set \'notNull\' for serial column \'id\'');
    new Table(name: 'test', columns: [
      Column::create(name: 'id', type: ColumnType::Serial, notNull: TRUE),
    ], primaryKey: new PrimaryKey([
      'id',
    ]));
  }
  
  /**
   * Tests Serial column.
   */
  public function testInvalidSerialForUnsigned() : void {
    $this->expectException(SchemaDefinitionException::class);
    $this->expectExceptionMessage('Cannot set \'unsigned\' for serial column \'id\'');
    new Table(name: 'test', columns: [
      Column::create(name: 'id', type: ColumnType::Serial, unsigned: TRUE),
    ], primaryKey: new PrimaryKey([
      'id',
    ]));
  }
  
  /**
   * Tests passing a null default when notNull: TRUE is specified.
   */
  public function testNullDefaultForNotNullArgument() : void {
    $this->expectException(SchemaDefinitionException::class);
    $this->expectExceptionMessageIs('Cannot set a null default for column \'id\': notNull is true');
    new Table(name: 'test', columns: [
      Column::int(name: 'id', notNull: TRUE, default: new NullValue()),
    ], primaryKey: new PrimaryKey([
      'id',
    ]));
  }
  
  /**
   * Tests passing a float default to an int column.
   */
  public function testFloatDefaultForIntColumn() : void {
    $this->expectException(SchemaDefinitionException::class);
    $this->expectExceptionMessageIs('Cannot set a float default for column \'id\'');
    new Table(name: 'test', columns: [
      Column::create(name: 'id', type: ColumnType::Int, default: new FloatValue(10)),
    ], primaryKey: new PrimaryKey([
      'id',
    ]));
  }
  
  /**
   * Tests passing a int default to an int column.
   */
  public function testIntDefaultForIntColumn() : void {
    $table = new Table(name: 'test', columns: [
      Column::int(name: 'id', default: new IntValue(10)),
    ], primaryKey: new PrimaryKey([
      'id',
    ]));
    $this->assertInstanceOf(Table::class, $table);
  }
  
  /**
   * Tests passing a null default to an int column.
   */
  public function testNullDefaultForIntColumn() : void {
    $table = new Table(name: 'test', columns: [
      Column::int(name: 'id', default: new NullValue()),
    ], primaryKey: new PrimaryKey([
      'id',
    ]));
    $this->assertInstanceOf(Table::class, $table);
  }
  
  /**
   * Tests passing a string default to an int column.
   */
  public function testStringDefaultForIntColumn() : void {
    $this->expectException(SchemaDefinitionException::class);
    $this->expectExceptionMessageIs('Cannot set a string default for column \'id\'');
    new Table(name: 'test', columns: [
      Column::create(name: 'id', type: ColumnType::Int, default: new StringValue('foo')),
    ], primaryKey: new PrimaryKey([
      'id',
    ]));
  }
  
  /**
   * Tests passing a float default to a text column.
   */
  public function testFloatDefaultForTextColumn() : void {
    $this->expectException(SchemaDefinitionException::class);
    $this->expectExceptionMessageIs('Cannot set a float default for column \'id\'');
    new Table(name: 'test', columns: [
      Column::create(name: 'id', type: ColumnType::Text, default: new FloatValue(10)),
    ], primaryKey: new PrimaryKey([
      'id',
    ]));
  }
  
  /**
   * Tests passing a int default to a text column.
   */
  public function testIntDefaultForTextColumn() : void {
    $this->expectException(SchemaDefinitionException::class);
    $this->expectExceptionMessageIs('Cannot set a int default for column \'id\'');
    $table = new Table(name: 'test', columns: [
      Column::create(name: 'id', type: ColumnType::Text, default: new IntValue(10)),
    ], primaryKey: new PrimaryKey([
      'id',
    ]));
    $this->assertInstanceOf(Table::class, $table);
  }
  
  /**
   * Tests passing a null default to a text column.
   */
  public function testNullDefaultForTextColumn() : void {
    $table = new Table(name: 'test', columns: [
      Column::text(name: 'id', default: new NullValue()),
    ], primaryKey: new PrimaryKey([
      'id',
    ]));
    $this->assertInstanceOf(Table::class, $table);
  }
  
  /**
   * Tests passing a string default to a text column.
   */
  public function testStringDefaultForTextColumn() : void {
    $table = new Table(name: 'test', columns: [
      Column::text(name: 'id', default: new StringValue('foo')),
    ], primaryKey: new PrimaryKey([
      'id',
    ]));
    $this->assertInstanceOf(Table::class, $table);
  }
  
  /**
   * Tests passing unsigned to a non-numeric column.
   */
  public function testInvalidColumnTypeForUnsigned() : void {
    $this->expectException(SchemaDefinitionException::class);
    $this->expectExceptionMessage('Cannot set \'unsigned\' for text column \'id\'');
    $table = new Table(name: 'test', columns: [
      Column::create(name: 'id', type: ColumnType::Text, unsigned: TRUE),
    ], primaryKey: new PrimaryKey([
      'id',
    ]));
    $this->assertInstanceOf(Table::class, $table);
  }
  
  /**
   * Tests passing length to a non-textual column.
   */
  public function testInvalidColumnTypeForLength() : void {
    $this->expectException(SchemaDefinitionException::class);
    $this->expectExceptionMessage('Cannot set \'length\' for int column \'id\'');
    $table = new Table(name: 'test', columns: [
      Column::create(name: 'id', type: ColumnType::Int, length: 20),
    ], primaryKey: new PrimaryKey([
      'id',
    ]));
    $this->assertInstanceOf(Table::class, $table);
  }
  
  /**
   * Tests passing binary to a non-textual column.
   */
  public function testInvalidColumnTypeForBinary() : void {
    $this->expectException(SchemaDefinitionException::class);
    $this->expectExceptionMessage('Cannot set \'binary\' for int column \'id\'');
    $table = new Table(name: 'test', columns: [
      Column::create(name: 'id', type: ColumnType::Int, binary: TRUE),
    ], primaryKey: new PrimaryKey([
      'id',
    ]));
    $this->assertInstanceOf(Table::class, $table);
  }
  
  /**
   * Tests passing a scale to a non-numeric column.
   */
  public function testInvalidColumnTypeForScale() : void {
    $this->expectException(SchemaDefinitionException::class);
    $this->expectExceptionMessage('Cannot set \'scale\' for text column \'id\'');
    $table = new Table(name: 'test', columns: [
      Column::create(name: 'id', type: ColumnType::Text, scale: 4),
    ], primaryKey: new PrimaryKey([
      'id',
    ]));
    $this->assertInstanceOf(Table::class, $table);
  }
  
  /**
   * Tests passing a precision to a non-numeric column.
   */
  public function testInvalidColumnTypeForPrecision() : void {
    $this->expectException(SchemaDefinitionException::class);
    $this->expectExceptionMessage('Cannot set \'precision\' for text column \'id\'');
    $table = new Table(name: 'test', columns: [
      Column::create(name: 'id', type: ColumnType::Text, precision: 2),
    ], primaryKey: new PrimaryKey([
      'id',
    ]));
    $this->assertInstanceOf(Table::class, $table);
  }
  
  /**
   * Tests passing a serialize to a non-text/blob column.
   */
  public function testInvalidColumnTypeForSerialize() : void {
    $this->expectException(SchemaDefinitionException::class);
    $this->expectExceptionMessage('Cannot set \'serialize\' for int column \'id\'');
    $table = new Table(name: 'test', columns: [
      Column::create(name: 'id', type: ColumnType::Int, serialize: TRUE),
    ], primaryKey: new PrimaryKey([
      'id',
    ]));
    $this->assertInstanceOf(Table::class, $table);
  }
  
  /**
   * Tests passing limited length columns to primary key.
   */
  public function testInvalidPrimaryKeyForPartialLengthColumn() : void {
    $this->expectException(SchemaDefinitionException::class);
    $this->expectExceptionMessage('Limited length columns not allowed in this context');
    $table = new Table(name: 'test', columns: [
      Column::text(name: 'id', length: 40, default: new StringValue('foo')),
    ], primaryKey: new PrimaryKey([
      [
        'id',
        10,
      ],
    ]));
    $this->assertInstanceOf(Table::class, $table);
  }
  
  /**
   * Tests passing limited length columns to an unique key.
   */
  public function testInvalidUniqueKeyForPartialLengthColumn() : void {
    $this->expectException(SchemaDefinitionException::class);
    $this->expectExceptionMessage('Limited length columns not allowed in this context');
    $table = new Table(name: 'test', columns: [
      Column::text(name: 'id', length: 40, default: new StringValue('foo')),
    ], primaryKey: new PrimaryKey([
      'id',
    ]), uniqueKeys: [
      new UniqueKey(name: 'invalid', columns: [
        [
          'id',
          10,
        ],
      ]),
    ]);
    $this->assertInstanceOf(Table::class, $table);
  }

}