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require "cases/helper"
require "models/company"
module ActiveRecord
module Type
class IntegerTest < ActiveRecord::TestCase
test "simple values" do
type = Type::Integer.new
assert_equal 1, type.cast(1)
assert_equal 1, type.cast('1')
assert_equal 1, type.cast('1ignore')
assert_equal 0, type.cast('bad1')
assert_equal 0, type.cast('bad')
assert_equal 1, type.cast(1.7)
assert_equal 0, type.cast(false)
assert_equal 1, type.cast(true)
assert_nil type.cast(nil)
end
test "random objects cast to nil" do
type = Type::Integer.new
assert_nil type.cast([1,2])
assert_nil type.cast({1 => 2})
assert_nil type.cast((1..2))
end
test "casting ActiveRecord models" do
type = Type::Integer.new
firm = Firm.create(:name => 'Apple')
assert_nil type.cast(firm)
end
test "casting objects without to_i" do
type = Type::Integer.new
assert_nil type.cast(::Object.new)
end
test "casting nan and infinity" do
type = Type::Integer.new
assert_nil type.cast(::Float::NAN)
assert_nil type.cast(1.0/0.0)
end
test "casting booleans for database" do
type = Type::Integer.new
assert_equal 1, type.serialize(true)
assert_equal 0, type.serialize(false)
end
test "changed?" do
type = Type::Integer.new
assert type.changed?(5, 5, '5wibble')
assert_not type.changed?(5, 5, '5')
assert_not type.changed?(5, 5, '5.0')
assert_not type.changed?(-5, -5, '-5')
assert_not type.changed?(-5, -5, '-5.0')
assert_not type.changed?(nil, nil, nil)
end
test "values below int min value are out of range" do
assert_raises(::RangeError) do
Integer.new.serialize(-2147483649)
end
end
test "values above int max value are out of range" do
assert_raises(::RangeError) do
Integer.new.serialize(2147483648)
end
end
test "very small numbers are out of range" do
assert_raises(::RangeError) do
Integer.new.serialize(-9999999999999999999999999999999)
end
end
test "very large numbers are out of range" do
assert_raises(::RangeError) do
Integer.new.serialize(9999999999999999999999999999999)
end
end
test "normal numbers are in range" do
type = Integer.new
assert_equal(0, type.serialize(0))
assert_equal(-1, type.serialize(-1))
assert_equal(1, type.serialize(1))
end
test "int max value is in range" do
assert_equal(2147483647, Integer.new.serialize(2147483647))
end
test "int min value is in range" do
assert_equal(-2147483648, Integer.new.serialize(-2147483648))
end
test "columns with a larger limit have larger ranges" do
type = Integer.new(limit: 8)
assert_equal(9223372036854775807, type.serialize(9223372036854775807))
assert_equal(-9223372036854775808, type.serialize(-9223372036854775808))
assert_raises(::RangeError) do
type.serialize(-9999999999999999999999999999999)
end
assert_raises(::RangeError) do
type.serialize(9999999999999999999999999999999)
end
end
test "values which are out of range can be re-assigned" do
klass = Class.new(ActiveRecord::Base) do
self.table_name = 'posts'
attribute :foo, :integer
end
model = klass.new
model.foo = 2147483648
model.foo = 1
assert_equal 1, model.foo
end
end
end
end
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