activerecord/test/cases/column_test.rb


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require "cases/helper"

module ActiveRecord
  module ConnectionAdapters
    class ColumnTest < ActiveRecord::TestCase
      def test_type_cast_boolean
        column = Column.new("field", nil, "boolean")
        assert column.type_cast(true)
        assert column.type_cast(1)
        assert column.type_cast('1')
        assert column.type_cast('t')
        assert column.type_cast('T')
        assert column.type_cast('true')
        assert column.type_cast('TRUE')
        assert column.type_cast('on')
        assert column.type_cast('ON')
        assert !column.type_cast(false)
        assert !column.type_cast(0)
        assert !column.type_cast('0')
        assert !column.type_cast('f')
        assert !column.type_cast('F')
        assert !column.type_cast('false')
        assert !column.type_cast('FALSE')
        assert !column.type_cast('off')
        assert !column.type_cast('OFF')
      end

      def test_type_cast_integer
        column = Column.new("field", nil, "integer")
        assert_equal 1, column.type_cast(1)
        assert_equal 1, column.type_cast('1')
        assert_equal 1, column.type_cast('1ignore')
        assert_equal 0, column.type_cast('bad1')
        assert_equal 0, column.type_cast('bad')
        assert_equal 1, column.type_cast(1.7)
        assert_nil column.type_cast(nil)
      end

      def test_type_cast_non_integer_to_integer
        column = Column.new("field", nil, "integer")
        assert_raises(NoMethodError) do
          column.type_cast([])
        end
        assert_raises(NoMethodError) do
          column.type_cast(true)
        end
        assert_raises(NoMethodError) do
          column.type_cast(false)
        end
      end
    end
  end
end