require "cases/helper"
module ActiveRecord
module ConnectionAdapters
class ColumnDefinitionTest < ActiveRecord::TestCase
def setup
@adapter = AbstractAdapter.new(nil)
def @adapter.native_database_types
{:string => "varchar"}
end
end
def test_can_set_coder
column = Column.new("title", nil, "varchar(20)")
column.coder = YAML
assert_equal YAML, column.coder
end
def test_encoded?
column = Column.new("title", nil, "varchar(20)")
assert !column.encoded?
column.coder = YAML
assert column.encoded?
end
# Avoid column definitions in create table statements like:
# `title` varchar(255) DEFAULT NULL
def test_should_not_include_default_clause_when_default_is_null
column = Column.new("title", nil, "varchar(20)")
column_def = ColumnDefinition.new(
@adapter, column.name, "string",
column.limit, column.precision, column.scale, column.default, column.null)
assert_equal "title varchar(20)", column_def.to_sql
end
def test_should_include_default_clause_when_default_is_present
column = Column.new("title", "Hello", "varchar(20)")
column_def = ColumnDefinition.new(
@adapter, column.name, "string",
column.limit, column.precision, column.scale, column.default, column.null)
assert_equal %Q{title varchar(20) DEFAULT 'Hello'}, column_def.to_sql
end
def test_should_specify_not_null_if_null_option_is_false
column = Column.new("title", "Hello", "varchar(20)", false)
column_def = ColumnDefinition.new(
@adapter, column.name, "string",
column.limit, column.precision, column.scale, column.default, column.null)
assert_equal %Q{title varchar(20) DEFAULT 'Hello' NOT NULL}, column_def.to_sql
end
if current_adapter?(:MysqlAdapter)
def test_should_set_default_for_mysql_binary_data_types
binary_column = MysqlColumn.new("title", "a", "binary(1)")
assert_equal "a", binary_column.default
varbinary_column = MysqlColumn.new("title", "a", "varbinary(1)")
assert_equal "a", varbinary_column.default
end
def test_should_not_set_default_for_blob_and_text_data_types
assert_raise ArgumentError do
MysqlColumn.new("title", "a", "blob")
end
assert_raise ArgumentError do
MysqlColumn.new("title", "Hello", "text")
end
text_column = MysqlColumn.new("title", nil, "text")
assert_equal nil, text_column.default
not_null_text_column = MysqlColumn.new("title", nil, "text", false)
assert_equal "", not_null_text_column.default
end
def test_has_default_should_return_false_for_blog_and_test_data_types
blob_column = MysqlColumn.new("title", nil, "blob")
assert !blob_column.has_default?
text_column = MysqlColumn.new("title", nil, "text")
assert !text_column.has_default?
end
end
if current_adapter?(:Mysql2Adapter)
def test_should_set_default_for_mysql_binary_data_types
binary_column = Mysql2Column.new("title", "a", "binary(1)")
assert_equal "a", binary_column.default
varbinary_column = Mysql2Column.new("title", "a", "varbinary(1)")
assert_equal "a", varbinary_column.default
end
def test_should_not_set_default_for_blob_and_text_data_types
assert_raise ArgumentError do
Mysql2Column.new("title", "a", "blob")
end
assert_raise ArgumentError do
Mysql2Column.new("title", "Hello", "text")
end
text_column = Mysql2Column.new("title", nil, "text")
assert_equal nil, text_column.default
not_null_text_column = Mysql2Column.new("title", nil, "text", false)
assert_equal "", not_null_text_column.default
end
def test_has_default_should_return_false_for_blog_and_test_data_types
blob_column = Mysql2Column.new("title", nil, "blob")
assert !blob_column.has_default?
text_column = Mysql2Column.new("title", nil, "text")
assert !text_column.has_default?
end
end
if current_adapter?(:PostgreSQLAdapter)
def test_bigint_column_should_map_to_integer
bigint_column = PostgreSQLColumn.new('number', nil, "bigint")
assert_equal :integer, bigint_column.type
end
def test_smallint_column_should_map_to_integer
smallint_column = PostgreSQLColumn.new('number', nil, "smallint")
assert_equal :integer, smallint_column.type
end
def test_uuid_column_should_map_to_string
uuid_column = PostgreSQLColumn.new('unique_id', nil, "uuid")
assert_equal :string, uuid_column.type
end
end
end
end
end