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Add ActiveRecord::Base#invalid? as the opposite of #valid? [#2159 sta…

…te:resolved]

Signed-off-by: Pratik Naik <pratiknaik@gmail.com>
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1 parent 7a26a67 commit 96eaeee4467a03cba3c4c30aeb6fc6afe545ae1d @packagethief packagethief committed with lifo Mar 6, 2009
Showing with 17 additions and 1 deletion.
  1. +5 −0 activerecord/lib/active_record/validations.rb
  2. +12 −1 activerecord/test/cases/validations_test.rb
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5 activerecord/lib/active_record/validations.rb
@@ -1040,6 +1040,11 @@ def valid?
errors.empty?
end
+ # Performs the opposite of <tt>valid?</tt>. Returns true if errors were added, false otherwise.
+ def invalid?
+ !valid?
+ end
+
# Returns the Errors object that holds all information about attribute error messages.
def errors
@errors ||= Errors.new(self)
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13 activerecord/test/cases/validations_test.rb
@@ -170,7 +170,7 @@ def test_create_with_exceptions_using_scope_and_empty_attributes
assert_equal person.first_name, "Mary", "should be ok when no attributes are passed to create!"
end
end
- end
+ end
def test_single_error_per_attr_iteration
r = Reply.new
@@ -1430,6 +1430,17 @@ def test_validation_order
assert_equal "can't be blank", t.errors.on("title").first
end
+ def test_invalid_should_be_the_opposite_of_valid
+ Topic.validates_presence_of :title
+
+ t = Topic.new
+ assert t.invalid?
+ assert t.errors.invalid?(:title)
+
+ t.title = 'Things are going to change'
+ assert !t.invalid?
+ end
+
# previous implementation of validates_presence_of eval'd the
# string with the wrong binding, this regression test is to
# ensure that it works correctly

2 comments on commit 96eaeee

@skaes

how about assert_invalid?

@lifo
Ruby on Rails member

Well, we’ve already deprecated assert_valid. So probably best not to add that.

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