require "cases/helper" require "models/topic" require "models/person" class LengthValidationTest < ActiveModel::TestCase def teardown Topic.clear_validators! end def test_validates_length_of_with_allow_nil Topic.validates_length_of(:title, is: 5, allow_nil: true) assert Topic.new("title" => "ab").invalid? assert Topic.new("title" => "").invalid? assert Topic.new("title" => nil).valid? assert Topic.new("title" => "abcde").valid? end def test_validates_length_of_with_allow_blank Topic.validates_length_of(:title, is: 5, allow_blank: true) assert Topic.new("title" => "ab").invalid? assert Topic.new("title" => "").valid? assert Topic.new("title" => nil).valid? assert Topic.new("title" => "abcde").valid? end def test_validates_length_of_using_minimum Topic.validates_length_of :title, minimum: 5 t = Topic.new("title" => "valid", "content" => "whatever") assert t.valid? t.title = "not" assert t.invalid? assert t.errors[:title].any? assert_equal ["is too short (minimum is 5 characters)"], t.errors[:title] t.title = "" assert t.invalid? assert t.errors[:title].any? assert_equal ["is too short (minimum is 5 characters)"], t.errors[:title] t.title = nil assert t.invalid? assert t.errors[:title].any? assert_equal ["is too short (minimum is 5 characters)"], t.errors["title"] end def test_validates_length_of_using_maximum_should_allow_nil Topic.validates_length_of :title, maximum: 10 t = Topic.new assert t.valid? end def test_optionally_validates_length_of_using_minimum Topic.validates_length_of :title, minimum: 5, allow_nil: true t = Topic.new("title" => "valid", "content" => "whatever") assert t.valid? t.title = nil assert t.valid? end def test_validates_length_of_using_maximum Topic.validates_length_of :title, maximum: 5 t = Topic.new("title" => "valid", "content" => "whatever") assert t.valid? t.title = "notvalid" assert t.invalid? assert t.errors[:title].any? assert_equal ["is too long (maximum is 5 characters)"], t.errors[:title] t.title = "" assert t.valid? end def test_optionally_validates_length_of_using_maximum Topic.validates_length_of :title, maximum: 5, allow_nil: true t = Topic.new("title" => "valid", "content" => "whatever") assert t.valid? t.title = nil assert t.valid? end def test_validates_length_of_using_within Topic.validates_length_of(:title, :content, within: 3..5) t = Topic.new("title" => "a!", "content" => "I'm ooooooooh so very long") assert t.invalid? assert_equal ["is too short (minimum is 3 characters)"], t.errors[:title] assert_equal ["is too long (maximum is 5 characters)"], t.errors[:content] t.title = nil t.content = nil assert t.invalid? assert_equal ["is too short (minimum is 3 characters)"], t.errors[:title] assert_equal ["is too short (minimum is 3 characters)"], t.errors[:content] t.title = "abe" t.content = "mad" assert t.valid? end def test_validates_length_of_using_within_with_exclusive_range Topic.validates_length_of(:title, within: 4...10) t = Topic.new("title" => "9 chars!!") assert t.valid? t.title = "Now I'm 10" assert t.invalid? assert_equal ["is too long (maximum is 9 characters)"], t.errors[:title] t.title = "Four" assert t.valid? end def test_optionally_validates_length_of_using_within Topic.validates_length_of :title, :content, within: 3..5, allow_nil: true t = Topic.new("title" => "abc", "content" => "abcd") assert t.valid? t.title = nil assert t.valid? end def test_validates_length_of_using_is Topic.validates_length_of :title, is: 5 t = Topic.new("title" => "valid", "content" => "whatever") assert t.valid? t.title = "notvalid" assert t.invalid? assert t.errors[:title].any? assert_equal ["is the wrong length (should be 5 characters)"], t.errors[:title] t.title = "" assert t.invalid? t.title = nil assert t.invalid? end def test_optionally_validates_length_of_using_is Topic.validates_length_of :title, is: 5, allow_nil: true t = Topic.new("title" => "valid", "content" => "whatever") assert t.valid? t.title = nil assert t.valid? end def test_validates_length_of_using_bignum bigmin = 2**30 bigmax = 2**32 bigrange = bigmin...bigmax assert_nothing_raised do Topic.validates_length_of :title, is: bigmin + 5 Topic.validates_length_of :title, within: bigrange Topic.validates_length_of :title, in: bigrange Topic.validates_length_of :title, minimum: bigmin Topic.validates_length_of :title, maximum: bigmax end end def test_validates_length_of_nasty_params assert_raise(ArgumentError) { Topic.validates_length_of(:title, is: -6) } assert_raise(ArgumentError) { Topic.validates_length_of(:title, within: 6) } assert_raise(ArgumentError) { Topic.validates_length_of(:title, minimum: "a") } assert_raise(ArgumentError) { Topic.validates_length_of(:title, maximum: "a") } assert_raise(ArgumentError) { Topic.validates_length_of(:title, within: "a") } assert_raise(ArgumentError) { Topic.validates_length_of(:title, is: "a") } end def test_validates_length_of_custom_errors_for_minimum_with_message Topic.validates_length_of(:title, minimum: 5, message: "boo %{count}") t = Topic.new("title" => "uhoh", "content" => "whatever") assert t.invalid? assert t.errors[:title].any? assert_equal ["boo 5"], t.errors[:title] end def test_validates_length_of_custom_errors_for_minimum_with_too_short Topic.validates_length_of(:title, minimum: 5, too_short: "hoo %{count}") t = Topic.new("title" => "uhoh", "content" => "whatever") assert t.invalid? assert t.errors[:title].any? assert_equal ["hoo 5"], t.errors[:title] end def test_validates_length_of_custom_errors_for_maximum_with_message Topic.validates_length_of(:title, maximum: 5, message: "boo %{count}") t = Topic.new("title" => "uhohuhoh", "content" => "whatever") assert t.invalid? assert t.errors[:title].any? assert_equal ["boo 5"], t.errors[:title] end def test_validates_length_of_custom_errors_for_in Topic.validates_length_of(:title, in: 10..20, message: "hoo %{count}") t = Topic.new("title" => "uhohuhoh", "content" => "whatever") assert t.invalid? assert t.errors[:title].any? assert_equal ["hoo 10"], t.errors["title"] t = Topic.new("title" => "uhohuhohuhohuhohuhohuhohuhohuhoh", "content" => "whatever") assert t.invalid? assert t.errors[:title].any? assert_equal ["hoo 20"], t.errors["title"] end def test_validates_length_of_custom_errors_for_maximum_with_too_long Topic.validates_length_of(:title, maximum: 5, too_long: "hoo %{count}") 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_validates_length_of_custom_errors_for_both_too_short_and_too_long Topic.validates_length_of :title, minimum: 3, maximum: 5, too_short: "too short", too_long: "too long" t = Topic.new(title: "a") assert t.invalid? assert t.errors[:title].any? assert_equal ["too short"], t.errors["title"] t = Topic.new(title: "aaaaaa") assert t.invalid? assert t.errors[:title].any? assert_equal ["too long"], t.errors["title"] end def test_validates_length_of_custom_errors_for_is_with_message Topic.validates_length_of(:title, is: 5, message: "boo %{count}") t = Topic.new("title" => "uhohuhoh", "content" => "whatever") assert t.invalid? assert t.errors[:title].any? assert_equal ["boo 5"], t.errors["title"] end def test_validates_length_of_custom_errors_for_is_with_wrong_length Topic.validates_length_of(:title, is: 5, wrong_length: "hoo %{count}") 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_validates_length_of_using_minimum_utf8 Topic.validates_length_of :title, minimum: 5 t = Topic.new("title" => "一二三四五", "content" => "whatever") assert t.valid? t.title = "一二三四" assert t.invalid? assert t.errors[:title].any? assert_equal ["is too short (minimum is 5 characters)"], t.errors["title"] end def test_validates_length_of_using_maximum_utf8 Topic.validates_length_of :title, maximum: 5 t = Topic.new("title" => "一二三四五", "content" => "whatever") assert t.valid? t.title = "一二34五六" assert t.invalid? assert t.errors[:title].any? assert_equal ["is too long (maximum is 5 characters)"], t.errors["title"] end def test_validates_length_of_using_within_utf8 Topic.validates_length_of(:title, :content, within: 3..5) t = Topic.new("title" => "一二", "content" => "12三四五六七") assert t.invalid? assert_equal ["is too short (minimum is 3 characters)"], t.errors[:title] assert_equal ["is too long (maximum is 5 characters)"], t.errors[:content] t.title = "一二三" t.content = "12三" assert t.valid? end def test_optionally_validates_length_of_using_within_utf8 Topic.validates_length_of :title, within: 3..5, allow_nil: true t = Topic.new(title: "一二三四五") assert t.valid?, t.errors.inspect t = Topic.new(title: "一二三") assert t.valid?, t.errors.inspect t.title = nil assert t.valid?, t.errors.inspect end def test_validates_length_of_using_is_utf8 Topic.validates_length_of :title, is: 5 t = Topic.new("title" => "一二345", "content" => "whatever") assert t.valid? t.title = "一二345六" assert t.invalid? assert t.errors[:title].any? assert_equal ["is the wrong length (should be 5 characters)"], t.errors["title"] end def test_validates_length_of_for_integer Topic.validates_length_of(:approved, is: 4) t = Topic.new("title" => "uhohuhoh", "content" => "whatever", approved: 1) assert t.invalid? assert t.errors[:approved].any? t = Topic.new("title" => "uhohuhoh", "content" => "whatever", approved: 1234) assert t.valid? end def test_validates_length_of_for_ruby_class Person.validates_length_of :karma, minimum: 5 p = Person.new p.karma = "Pix" assert p.invalid? assert_equal ["is too short (minimum is 5 characters)"], p.errors[:karma] p.karma = "The Smiths" assert p.valid? ensure Person.clear_validators! end def test_validates_length_of_for_infinite_maxima Topic.validates_length_of(:title, within: 5..Float::INFINITY) t = Topic.new("title" => "1234") assert t.invalid? assert t.errors[:title].any? t.title = "12345" assert t.valid? Topic.validates_length_of(:author_name, maximum: Float::INFINITY) assert t.valid? t.author_name = "A very long author name that should still be valid." * 100 assert t.valid? end def test_validates_length_of_using_maximum_should_not_allow_nil_when_nil_not_allowed Topic.validates_length_of :title, maximum: 10, allow_nil: false t = Topic.new assert t.invalid? end def test_validates_length_of_using_maximum_should_not_allow_nil_and_empty_string_when_blank_not_allowed Topic.validates_length_of :title, maximum: 10, allow_blank: false t = Topic.new assert t.invalid? t.title = "" assert t.invalid? end def test_validates_length_of_using_both_minimum_and_maximum_should_not_allow_nil Topic.validates_length_of :title, minimum: 5, maximum: 10 t = Topic.new assert t.invalid? end def test_validates_length_of_using_minimum_0_should_not_allow_nil Topic.validates_length_of :title, minimum: 0 t = Topic.new assert t.invalid? t.title = "" assert t.valid? end def test_validates_length_of_using_is_0_should_not_allow_nil Topic.validates_length_of :title, is: 0 t = Topic.new assert t.invalid? t.title = "" assert t.valid? end def test_validates_with_diff_in_option Topic.validates_length_of(:title, is: 5) Topic.validates_length_of(:title, is: 5, if: Proc.new { false }) assert Topic.new("title" => "david").valid? assert Topic.new("title" => "david2").invalid? end end