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require 'abstract_unit'
require 'fixtures/default'
require 'fixtures/entrant'
class DefaultTest < Test::Unit::TestCase
def test_nil_defaults_for_not_null_columns
column_defaults =
if current_adapter?(:MysqlAdapter)
{ 'id' => nil, 'name' => '', 'course_id' => nil }
else
{ 'id' => nil, 'name' => nil, 'course_id' => nil }
end
column_defaults.each do |name, default|
column = Entrant.columns_hash[name]
assert !column.null, "#{name} column should be NOT NULL"
assert_equal default, column.default, "#{name} column should be DEFAULT #{default.inspect}"
end
end
if current_adapter?(:MysqlAdapter)
# MySQL uses an implicit default 0 rather than NULL unless in strict mode.
# We use an implicit NULL so schema.rb is compatible with other databases.
def test_mysql_integer_not_null_defaults
klass = Class.new(ActiveRecord::Base)
klass.table_name = 'test_integer_not_null_default_zero'
klass.connection.create_table klass.table_name do |t|
t.column :zero, :integer, :null => false, :default => 0
t.column :omit, :integer, :null => false
end
assert_equal 0, klass.columns_hash['zero'].default
assert !klass.columns_hash['zero'].null
assert_equal nil, klass.columns_hash['omit'].default
assert !klass.columns_hash['omit'].null
assert_nothing_raised do
instance = klass.create!
assert_equal 0, instance.zero
assert_nil instance.omit
end
ensure
klass.connection.drop_table(klass.table_name) rescue nil
end
end
if current_adapter?(:PostgreSQLAdapter, :SQLServerAdapter, :FirebirdAdapter, :OpenBaseAdapter)
def test_default_integers
default = Default.new
assert_instance_of Fixnum, default.positive_integer
assert_equal 1, default.positive_integer
assert_instance_of Fixnum, default.negative_integer
assert_equal -1, default.negative_integer
assert_instance_of BigDecimal, default.decimal_number
assert_equal BigDecimal.new("2.78"), default.decimal_number
end
end
end
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