1 files changed, 163 insertions, 0 deletions
diff --git a/activemodel/test/cases/validations/numericality_validation_test.rb b/activemodel/test/cases/validations/numericality_validation_test.rb
new file mode 100644
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+++ b/activemodel/test/cases/validations/numericality_validation_test.rb
@@ -0,0 +1,163 @@
+# encoding: utf-8
+require 'cases/helper'
+require 'cases/test_database'
+
+require 'models/topic'
+require 'models/developer'
+
+class NumericalityValidationTest < ActiveModel::TestCase
+  include ActiveModel::TestDatabase
+  include ActiveModel::ValidationsRepairHelper
+
+  repair_validations(Topic)
+
+  NIL = [nil]
+  BLANK = ["", " ", " \t \r \n"]
+  BIGDECIMAL_STRINGS = %w(12345678901234567890.1234567890) # 30 significent digits
+  FLOAT_STRINGS = %w(0.0 +0.0 -0.0 10.0 10.5 -10.5 -0.0001 -090.1 90.1e1 -90.1e5 -90.1e-5 90e-5)
+  INTEGER_STRINGS = %w(0 +0 -0 10 +10 -10 0090 -090)
+  FLOATS = [0.0, 10.0, 10.5, -10.5, -0.0001] + FLOAT_STRINGS
+  INTEGERS = [0, 10, -10] + INTEGER_STRINGS
+  BIGDECIMAL = BIGDECIMAL_STRINGS.collect! { |bd| BigDecimal.new(bd) }
+  JUNK = ["not a number", "42 not a number", "0xdeadbeef", "00-1", "--3", "+-3", "+3-1", "-+019.0", "12.12.13.12", "123\nnot a number"]
+  INFINITY = [1.0/0.0]
+
+  def test_default_validates_numericality_of
+    Topic.validates_numericality_of :approved
+    invalid!(NIL + BLANK + JUNK)
+    valid!(FLOATS + INTEGERS + BIGDECIMAL + INFINITY)
+  end
+
+  def test_validates_numericality_of_with_nil_allowed
+    Topic.validates_numericality_of :approved, :allow_nil => true
+
+    invalid!(JUNK)
+    valid!(NIL + BLANK + FLOATS + INTEGERS + BIGDECIMAL + INFINITY)
+  end
+
+  def test_validates_numericality_of_with_integer_only
+    Topic.validates_numericality_of :approved, :only_integer => true
+
+    invalid!(NIL + BLANK + JUNK + FLOATS + BIGDECIMAL + INFINITY)
+    valid!(INTEGERS)
+  end
+
+  def test_validates_numericality_of_with_integer_only_and_nil_allowed
+    Topic.validates_numericality_of :approved, :only_integer => true, :allow_nil => true
+
+    invalid!(JUNK + FLOATS + BIGDECIMAL + INFINITY)
+    valid!(NIL + BLANK + INTEGERS)
+  end
+
+  def test_validates_numericality_with_greater_than
+    Topic.validates_numericality_of :approved, :greater_than => 10
+
+    invalid!([-10, 10], 'must be greater than 10')
+    valid!([11])
+  end
+
+  def test_validates_numericality_with_greater_than_or_equal
+    Topic.validates_numericality_of :approved, :greater_than_or_equal_to => 10
+
+    invalid!([-9, 9], 'must be greater than or equal to 10')
+    valid!([10])
+  end
+
+  def test_validates_numericality_with_equal_to
+    Topic.validates_numericality_of :approved, :equal_to => 10
+
+    invalid!([-10, 11] + INFINITY, 'must be equal to 10')
+    valid!([10])
+  end
+
+  def test_validates_numericality_with_less_than
+    Topic.validates_numericality_of :approved, :less_than => 10
+
+    invalid!([10], 'must be less than 10')
+    valid!([-9, 9])
+  end
+
+  def test_validates_numericality_with_less_than_or_equal_to
+    Topic.validates_numericality_of :approved, :less_than_or_equal_to => 10
+
+    invalid!([11], 'must be less than or equal to 10')
+    valid!([-10, 10])
+  end
+
+  def test_validates_numericality_with_odd
+    Topic.validates_numericality_of :approved, :odd => true
+
+    invalid!([-2, 2], 'must be odd')
+    valid!([-1, 1])
+  end
+
+  def test_validates_numericality_with_even
+    Topic.validates_numericality_of :approved, :even => true
+
+    invalid!([-1, 1], 'must be even')
+    valid!([-2, 2])
+  end
+
+  def test_validates_numericality_with_greater_than_less_than_and_even
+    Topic.validates_numericality_of :approved, :greater_than => 1, :less_than => 4, :even => true
+
+    invalid!([1, 3, 4])
+    valid!([2])
+  end
+
+  def test_validates_numericality_with_numeric_message
+    Topic.validates_numericality_of :approved, :less_than => 4, :message => "smaller than {{count}}"
+    topic = Topic.new("title" => "numeric test", "approved" => 10)
+
+    assert !topic.valid?
+    assert_equal "smaller than 4", topic.errors.on(:approved)
+
+    Topic.validates_numericality_of :approved, :greater_than => 4, :message => "greater than {{count}}"
+    topic = Topic.new("title" => "numeric test", "approved" => 1)
+
+    assert !topic.valid?
+    assert_equal "greater than 4", topic.errors.on(:approved)
+  end
+
+  private
+
+  def invalid!(values, error = nil)
+    with_each_topic_approved_value(values) do |topic, value|
+      assert !topic.valid?, "#{value.inspect} not rejected as a number"
+      assert topic.errors[:approved].any?, "FAILED for #{value.inspect}"
+      assert_equal error, topic.errors[:approved].first if error
+    end
+  end
+
+  def valid!(values)
+    with_each_topic_approved_value(values) do |topic, value|
+      assert topic.valid?, "#{value.inspect} not accepted as a number"
+    end
+  end
+
+  def with_each_topic_approved_value(values)
+    topic = Topic.new(:title => "numeric test", :content => "whatever")
+    values.each do |value|
+      topic.approved = value
+      yield topic, value
+    end
+  end
+
+  def test_numericality_with_getter_method
+    repair_validations(Developer) do
+      Developer.validates_numericality_of( :salary )
+      developer = Developer.new("name" => "michael", "salary" => nil)
+      developer.instance_eval("def salary; read_attribute('salary') ? read_attribute('salary') : 100000; end")
+      assert developer.valid?
+    end
+  end
+
+  def test_numericality_with_allow_nil_and_getter_method
+    repair_validations(Developer) do
+      Developer.validates_numericality_of( :salary, :allow_nil => true)
+      developer = Developer.new("name" => "michael", "salary" => nil)
+      developer.instance_eval("def salary; read_attribute('salary') ? read_attribute('salary') : 100000; end")
+      assert developer.valid?
+    end
+  end
+end