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require "cases/helper"
class ColumnDefinitionTest < ActiveRecord::TestCase
def setup
@adapter = ActiveRecord::ConnectionAdapters::AbstractAdapter.new(nil)
def @adapter.native_database_types
{:string => "varchar"}
end
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 = ActiveRecord::ConnectionAdapters::Column.new("title", nil, "varchar(20)")
column_def = ActiveRecord::ConnectionAdapters::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 = ActiveRecord::ConnectionAdapters::Column.new("title", "Hello", "varchar(20)")
column_def = ActiveRecord::ConnectionAdapters::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 = ActiveRecord::ConnectionAdapters::Column.new("title", "Hello", "varchar(20)", false)
column_def = ActiveRecord::ConnectionAdapters::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 = ActiveRecord::ConnectionAdapters::MysqlColumn.new("title", "a", "binary(1)")
assert_equal "a", binary_column.default
varbinary_column = ActiveRecord::ConnectionAdapters::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
ActiveRecord::ConnectionAdapters::MysqlColumn.new("title", "a", "blob")
end
assert_raise ArgumentError do
ActiveRecord::ConnectionAdapters::MysqlColumn.new("title", "Hello", "text")
end
text_column = ActiveRecord::ConnectionAdapters::MysqlColumn.new("title", nil, "text")
assert_equal nil, text_column.default
not_null_text_column = ActiveRecord::ConnectionAdapters::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 = ActiveRecord::ConnectionAdapters::MysqlColumn.new("title", nil, "blob")
assert !blob_column.has_default?
text_column = ActiveRecord::ConnectionAdapters::MysqlColumn.new("title", nil, "text")
assert !text_column.has_default?
end
end
end
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