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# frozen_string_literal: true
require "cases/helper"
require "models/topic"
class ConditionalValidationTest < ActiveModel::TestCase
def teardown
Topic.clear_validators!
end
def test_if_validation_using_method_true
# When the method returns true
Topic.validates_length_of(:title, maximum: 5, too_long: "hoo %{count}", if: :condition_is_true)
t = Topic.new("title" => "uhohuhoh", "content" => "whatever")
assert t.invalid?
assert t.errors[:title].any?
assert_equal ["hoo 5"], t.errors["title"]
end
def test_unless_validation_using_method_true
# When the method returns true
Topic.validates_length_of(:title, maximum: 5, too_long: "hoo %{count}", unless: :condition_is_true)
t = Topic.new("title" => "uhohuhoh", "content" => "whatever")
assert t.valid?
assert_empty t.errors[:title]
end
def test_if_validation_using_method_false
# When the method returns false
Topic.validates_length_of(:title, maximum: 5, too_long: "hoo %{count}", if: :condition_is_true_but_its_not)
t = Topic.new("title" => "uhohuhoh", "content" => "whatever")
assert t.valid?
assert_empty t.errors[:title]
end
def test_unless_validation_using_method_false
# When the method returns false
Topic.validates_length_of(:title, maximum: 5, too_long: "hoo %{count}", unless: :condition_is_true_but_its_not)
t = Topic.new("title" => "uhohuhoh", "content" => "whatever")
assert t.invalid?
assert t.errors[:title].any?
assert_equal ["hoo 5"], t.errors["title"]
end
def test_if_validation_using_string_true
# When the evaluated string returns true
ActiveSupport::Deprecation.silence do
Topic.validates_length_of(:title, maximum: 5, too_long: "hoo %{count}", if: "a = 1; a == 1")
end
t = Topic.new("title" => "uhohuhoh", "content" => "whatever")
assert t.invalid?
assert t.errors[:title].any?
assert_equal ["hoo 5"], t.errors["title"]
end
def test_unless_validation_using_string_true
# When the evaluated string returns true
ActiveSupport::Deprecation.silence do
Topic.validates_length_of(:title, maximum: 5, too_long: "hoo %{count}", unless: "a = 1; a == 1")
end
t = Topic.new("title" => "uhohuhoh", "content" => "whatever")
assert t.valid?
assert_empty t.errors[:title]
end
def test_if_validation_using_string_false
# When the evaluated string returns false
ActiveSupport::Deprecation.silence do
Topic.validates_length_of(:title, maximum: 5, too_long: "hoo %{count}", if: "false")
end
t = Topic.new("title" => "uhohuhoh", "content" => "whatever")
assert t.valid?
assert_empty t.errors[:title]
end
def test_unless_validation_using_string_false
# When the evaluated string returns false
ActiveSupport::Deprecation.silence do
Topic.validates_length_of(:title, maximum: 5, too_long: "hoo %{count}", unless: "false")
end
t = Topic.new("title" => "uhohuhoh", "content" => "whatever")
assert t.invalid?
assert t.errors[:title].any?
assert_equal ["hoo 5"], t.errors["title"]
end
def test_if_validation_using_block_true
# When the block returns true
Topic.validates_length_of(:title, maximum: 5, too_long: "hoo %{count}",
if: Proc.new { |r| r.content.size > 4 })
t = Topic.new("title" => "uhohuhoh", "content" => "whatever")
assert t.invalid?
assert t.errors[:title].any?
assert_equal ["hoo 5"], t.errors["title"]
end
def test_unless_validation_using_block_true
# When the block returns true
Topic.validates_length_of(:title, maximum: 5, too_long: "hoo %{count}",
unless: Proc.new { |r| r.content.size > 4 })
t = Topic.new("title" => "uhohuhoh", "content" => "whatever")
assert t.valid?
assert_empty t.errors[:title]
end
def test_if_validation_using_block_false
# When the block returns false
Topic.validates_length_of(:title, maximum: 5, too_long: "hoo %{count}",
if: Proc.new { |r| r.title != "uhohuhoh" })
t = Topic.new("title" => "uhohuhoh", "content" => "whatever")
assert t.valid?
assert_empty t.errors[:title]
end
def test_unless_validation_using_block_false
# When the block returns false
Topic.validates_length_of(:title, maximum: 5, too_long: "hoo %{count}",
unless: Proc.new { |r| r.title != "uhohuhoh" })
t = Topic.new("title" => "uhohuhoh", "content" => "whatever")
assert t.invalid?
assert t.errors[:title].any?
assert_equal ["hoo 5"], t.errors["title"]
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
def test_validation_with_if_as_string
Topic.validates_presence_of(:title)
ActiveSupport::Deprecation.silence do
Topic.validates_presence_of(:author_name, if: "title.to_s.match('important')")
end
t = Topic.new
assert t.invalid?, "A topic without a title should not be valid"
assert_empty t.errors[:author_name], "A topic without an 'important' title should not require an author"
t.title = "Just a title"
assert t.valid?, "A topic with a basic title should be valid"
t.title = "A very important title"
assert t.invalid?, "A topic with an important title, but without an author, should not be valid"
assert t.errors[:author_name].any?, "A topic with an 'important' title should require an author"
t.author_name = "Hubert J. Farnsworth"
assert t.valid?, "A topic with an important title and author should be valid"
end
end
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