623 lines
18 KiB
Ruby
623 lines
18 KiB
Ruby
module Shoulda
|
|
module Matchers
|
|
module ActiveModel
|
|
# The `validate_numericality_of` matcher tests usage of the
|
|
# `validates_numericality_of` validation.
|
|
#
|
|
# class Person
|
|
# include ActiveModel::Model
|
|
# attr_accessor :gpa
|
|
#
|
|
# validates_numericality_of :gpa
|
|
# end
|
|
#
|
|
# # RSpec
|
|
# describe Person do
|
|
# it { should validate_numericality_of(:gpa) }
|
|
# end
|
|
#
|
|
# # Minitest (Shoulda)
|
|
# class PersonTest < ActiveSupport::TestCase
|
|
# should validate_numericality_of(:gpa)
|
|
# end
|
|
#
|
|
# #### Qualifiers
|
|
#
|
|
# ##### on
|
|
#
|
|
# Use `on` if your validation applies only under a certain context.
|
|
#
|
|
# class Person
|
|
# include ActiveModel::Model
|
|
# attr_accessor :number_of_dependents
|
|
#
|
|
# validates_numericality_of :number_of_dependents, on: :create
|
|
# end
|
|
#
|
|
# # RSpec
|
|
# describe Person do
|
|
# it do
|
|
# should validate_numericality_of(:number_of_dependents).
|
|
# on(:create)
|
|
# end
|
|
# end
|
|
#
|
|
# # Minitest (Shoulda)
|
|
# class PersonTest < ActiveSupport::TestCase
|
|
# should validate_numericality_of(:number_of_dependents).on(:create)
|
|
# end
|
|
#
|
|
# ##### only_integer
|
|
#
|
|
# Use `only_integer` to test usage of the `:only_integer` option. This
|
|
# asserts that your attribute only allows integer numbers and disallows
|
|
# non-integer ones.
|
|
#
|
|
# class Person
|
|
# include ActiveModel::Model
|
|
# attr_accessor :age
|
|
#
|
|
# validates_numericality_of :age, only_integer: true
|
|
# end
|
|
#
|
|
# # RSpec
|
|
# describe Person do
|
|
# it { should validate_numericality_of(:age).only_integer }
|
|
# end
|
|
#
|
|
# # Minitest (Shoulda)
|
|
# class PersonTest < ActiveSupport::TestCase
|
|
# should validate_numericality_of(:age).only_integer
|
|
# end
|
|
#
|
|
# ##### is_less_than
|
|
#
|
|
# Use `is_less_than` to test usage of the the `:less_than` option. This
|
|
# asserts that the attribute can take a number which is less than the
|
|
# given value and cannot take a number which is greater than or equal to
|
|
# it.
|
|
#
|
|
# class Person
|
|
# include ActiveModel::Model
|
|
# attr_accessor :number_of_cars
|
|
#
|
|
# validates_numericality_of :number_of_cars, less_than: 2
|
|
# end
|
|
#
|
|
# # RSpec
|
|
# describe Person do
|
|
# it do
|
|
# should validate_numericality_of(:number_of_cars).
|
|
# is_less_than(2)
|
|
# end
|
|
# end
|
|
#
|
|
# # Minitest (Shoulda)
|
|
# class PersonTest < ActiveSupport::TestCase
|
|
# should validate_numericality_of(:number_of_cars).
|
|
# is_less_than(2)
|
|
# end
|
|
#
|
|
# ##### is_less_than_or_equal_to
|
|
#
|
|
# Use `is_less_than_or_equal_to` to test usage of the
|
|
# `:less_than_or_equal_to` option. This asserts that the attribute can
|
|
# take a number which is less than or equal to the given value and cannot
|
|
# take a number which is greater than it.
|
|
#
|
|
# class Person
|
|
# include ActiveModel::Model
|
|
# attr_accessor :birth_year
|
|
#
|
|
# validates_numericality_of :birth_year, less_than_or_equal_to: 1987
|
|
# end
|
|
#
|
|
# # RSpec
|
|
# describe Person do
|
|
# it do
|
|
# should validate_numericality_of(:birth_year).
|
|
# is_less_than_or_equal_to(1987)
|
|
# end
|
|
# end
|
|
#
|
|
# # Minitest (Shoulda)
|
|
# class PersonTest < ActiveSupport::TestCase
|
|
# should validate_numericality_of(:birth_year).
|
|
# is_less_than_or_equal_to(1987)
|
|
# end
|
|
#
|
|
# ##### is_equal_to
|
|
#
|
|
# Use `is_equal_to` to test usage of the `:equal_to` option. This asserts
|
|
# that the attribute can take a number which is equal to the given value
|
|
# and cannot take a number which is not equal.
|
|
#
|
|
# class Person
|
|
# include ActiveModel::Model
|
|
# attr_accessor :weight
|
|
#
|
|
# validates_numericality_of :weight, equal_to: 150
|
|
# end
|
|
#
|
|
# # RSpec
|
|
# describe Person do
|
|
# it { should validate_numericality_of(:weight).is_equal_to(150) }
|
|
# end
|
|
#
|
|
# # Minitest (Shoulda)
|
|
# class PersonTest < ActiveSupport::TestCase
|
|
# should validate_numericality_of(:weight).is_equal_to(150)
|
|
# end
|
|
#
|
|
# ##### is_greater_than_or_equal_to
|
|
#
|
|
# Use `is_greater_than_or_equal_to` to test usage of the
|
|
# `:greater_than_or_equal_to` option. This asserts that the attribute can
|
|
# take a number which is greater than or equal to the given value and
|
|
# cannot take a number which is less than it.
|
|
#
|
|
# class Person
|
|
# include ActiveModel::Model
|
|
# attr_accessor :height
|
|
#
|
|
# validates_numericality_of :height, greater_than_or_equal_to: 55
|
|
# end
|
|
#
|
|
# # RSpec
|
|
# describe Person do
|
|
# it do
|
|
# should validate_numericality_of(:height).
|
|
# is_greater_than_or_equal_to(55)
|
|
# end
|
|
# end
|
|
#
|
|
# # Minitest (Shoulda)
|
|
# class PersonTest < ActiveSupport::TestCase
|
|
# should validate_numericality_of(:height).
|
|
# is_greater_than_or_equal_to(55)
|
|
# end
|
|
#
|
|
# ##### is_greater_than
|
|
#
|
|
# Use `is_greater_than` to test usage of the `:greater_than` option.
|
|
# This asserts that the attribute can take a number which is greater than
|
|
# the given value and cannot take a number less than or equal to it.
|
|
#
|
|
# class Person
|
|
# include ActiveModel::Model
|
|
# attr_accessor :legal_age
|
|
#
|
|
# validates_numericality_of :legal_age, greater_than: 21
|
|
# end
|
|
#
|
|
# # RSpec
|
|
# describe Person do
|
|
# it do
|
|
# should validate_numericality_of(:legal_age).
|
|
# is_greater_than(21)
|
|
# end
|
|
# end
|
|
#
|
|
# # Minitest (Shoulda)
|
|
# class PersonTest < ActiveSupport::TestCase
|
|
# should validate_numericality_of(:legal_age).
|
|
# is_greater_than(21)
|
|
# end
|
|
#
|
|
# ##### even
|
|
#
|
|
# Use `even` to test usage of the `:even` option. This asserts that the
|
|
# attribute can take odd numbers and cannot take even ones.
|
|
#
|
|
# class Person
|
|
# include ActiveModel::Model
|
|
# attr_accessor :birth_month
|
|
#
|
|
# validates_numericality_of :birth_month, even: true
|
|
# end
|
|
#
|
|
# # RSpec
|
|
# describe Person do
|
|
# it { should validate_numericality_of(:birth_month).even }
|
|
# end
|
|
#
|
|
# # Minitest (Shoulda)
|
|
# class PersonTest < ActiveSupport::TestCase
|
|
# should validate_numericality_of(:birth_month).even
|
|
# end
|
|
#
|
|
# ##### odd
|
|
#
|
|
# Use `odd` to test usage of the `:odd` option. This asserts that the
|
|
# attribute can take a number which is odd and cannot take a number which
|
|
# is even.
|
|
#
|
|
# class Person
|
|
# include ActiveModel::Model
|
|
# attr_accessor :birth_day
|
|
#
|
|
# validates_numericality_of :birth_day, odd: true
|
|
# end
|
|
#
|
|
# # RSpec
|
|
# describe Person do
|
|
# it { should validate_numericality_of(:birth_day).odd }
|
|
# end
|
|
#
|
|
# # Minitest (Shoulda)
|
|
# class PersonTest < ActiveSupport::TestCase
|
|
# should validate_numericality_of(:birth_day).odd
|
|
# end
|
|
#
|
|
# ##### with_message
|
|
#
|
|
# Use `with_message` if you are using a custom validation message.
|
|
#
|
|
# class Person
|
|
# include ActiveModel::Model
|
|
# attr_accessor :number_of_dependents
|
|
#
|
|
# validates_numericality_of :number_of_dependents,
|
|
# message: 'Number of dependents must be a number'
|
|
# end
|
|
#
|
|
# # RSpec
|
|
# describe Person do
|
|
# it do
|
|
# should validate_numericality_of(:number_of_dependents).
|
|
# with_message('Number of dependents must be a number')
|
|
# end
|
|
# end
|
|
#
|
|
# # Minitest (Shoulda)
|
|
# class PersonTest < ActiveSupport::TestCase
|
|
# should validate_numericality_of(:number_of_dependents).
|
|
# with_message('Number of dependents must be a number')
|
|
# end
|
|
#
|
|
# ##### allow_nil
|
|
#
|
|
# Use `allow_nil` to assert that the attribute allows nil.
|
|
#
|
|
# class Post
|
|
# include ActiveModel::Model
|
|
# attr_accessor :age
|
|
#
|
|
# validates_numericality_of :age, allow_nil: true
|
|
# end
|
|
#
|
|
# # RSpec
|
|
# describe Post do
|
|
# it { should validate_numericality_of(:age).allow_nil }
|
|
# end
|
|
#
|
|
# # Minitest (Shoulda)
|
|
# class PostTest < ActiveSupport::TestCase
|
|
# should validate_numericality_of(:age).allow_nil
|
|
# end
|
|
#
|
|
# @return [ValidateNumericalityOfMatcher]
|
|
#
|
|
def validate_numericality_of(attr)
|
|
ValidateNumericalityOfMatcher.new(attr)
|
|
end
|
|
|
|
# @private
|
|
class ValidateNumericalityOfMatcher
|
|
NUMERIC_NAME = 'number'
|
|
NON_NUMERIC_VALUE = 'abcd'
|
|
DEFAULT_DIFF_TO_COMPARE = 1
|
|
|
|
include Qualifiers::IgnoringInterferenceByWriter
|
|
|
|
attr_reader :diff_to_compare
|
|
|
|
def initialize(attribute)
|
|
super
|
|
@attribute = attribute
|
|
@submatchers = []
|
|
@diff_to_compare = DEFAULT_DIFF_TO_COMPARE
|
|
@expects_custom_validation_message = false
|
|
@expects_to_allow_nil = false
|
|
@expects_strict = false
|
|
@allowed_type_adjective = nil
|
|
@allowed_type_name = 'number'
|
|
@context = nil
|
|
@expected_message = nil
|
|
end
|
|
|
|
def strict
|
|
@expects_strict = true
|
|
self
|
|
end
|
|
|
|
def expects_strict?
|
|
@expects_strict
|
|
end
|
|
|
|
def only_integer
|
|
prepare_submatcher(
|
|
NumericalityMatchers::OnlyIntegerMatcher.new(self, @attribute)
|
|
)
|
|
self
|
|
end
|
|
|
|
def allow_nil
|
|
@expects_to_allow_nil = true
|
|
prepare_submatcher(
|
|
AllowValueMatcher.new(nil)
|
|
.for(@attribute)
|
|
.with_message(:not_a_number)
|
|
)
|
|
self
|
|
end
|
|
|
|
def expects_to_allow_nil?
|
|
@expects_to_allow_nil
|
|
end
|
|
|
|
def odd
|
|
prepare_submatcher(
|
|
NumericalityMatchers::OddNumberMatcher.new(self, @attribute)
|
|
)
|
|
self
|
|
end
|
|
|
|
def even
|
|
prepare_submatcher(
|
|
NumericalityMatchers::EvenNumberMatcher.new(self, @attribute)
|
|
)
|
|
self
|
|
end
|
|
|
|
def is_greater_than(value)
|
|
prepare_submatcher(comparison_matcher_for(value, :>).for(@attribute))
|
|
self
|
|
end
|
|
|
|
def is_greater_than_or_equal_to(value)
|
|
prepare_submatcher(comparison_matcher_for(value, :>=).for(@attribute))
|
|
self
|
|
end
|
|
|
|
def is_equal_to(value)
|
|
prepare_submatcher(comparison_matcher_for(value, :==).for(@attribute))
|
|
self
|
|
end
|
|
|
|
def is_less_than(value)
|
|
prepare_submatcher(comparison_matcher_for(value, :<).for(@attribute))
|
|
self
|
|
end
|
|
|
|
def is_less_than_or_equal_to(value)
|
|
prepare_submatcher(comparison_matcher_for(value, :<=).for(@attribute))
|
|
self
|
|
end
|
|
|
|
def with_message(message)
|
|
@expects_custom_validation_message = true
|
|
@expected_message = message
|
|
self
|
|
end
|
|
|
|
def expects_custom_validation_message?
|
|
@expects_custom_validation_message
|
|
end
|
|
|
|
def on(context)
|
|
@context = context
|
|
self
|
|
end
|
|
|
|
def matches?(subject)
|
|
@subject = subject
|
|
@number_of_submatchers = @submatchers.size
|
|
|
|
add_disallow_value_matcher
|
|
qualify_submatchers
|
|
|
|
first_failing_submatcher.nil?
|
|
end
|
|
|
|
def simple_description
|
|
description = ''
|
|
|
|
description << "validate that :#{@attribute} looks like "
|
|
description << Shoulda::Matchers::Util.a_or_an(full_allowed_type)
|
|
|
|
if comparison_descriptions.present?
|
|
description << ' ' + comparison_descriptions
|
|
end
|
|
|
|
description
|
|
end
|
|
|
|
def description
|
|
ValidationMatcher::BuildDescription.call(self, simple_description)
|
|
end
|
|
|
|
def failure_message
|
|
overall_failure_message.dup.tap do |message|
|
|
message << "\n"
|
|
message << failure_message_for_first_failing_submatcher
|
|
end
|
|
end
|
|
|
|
def failure_message_when_negated
|
|
overall_failure_message_when_negated.dup.tap do |message|
|
|
if submatcher_failure_message_when_negated.present?
|
|
raise "hmm, this needs to be implemented."
|
|
message << "\n"
|
|
message << Shoulda::Matchers.word_wrap(
|
|
submatcher_failure_message_when_negated,
|
|
indent: 2
|
|
)
|
|
end
|
|
end
|
|
end
|
|
|
|
def given_numeric_column?
|
|
attribute_is_active_record_column? &&
|
|
[:integer, :float, :decimal].include?(column_type)
|
|
end
|
|
|
|
private
|
|
|
|
def model
|
|
@subject.class
|
|
end
|
|
|
|
def overall_failure_message
|
|
Shoulda::Matchers.word_wrap(
|
|
"#{model.name} did not properly #{description}."
|
|
)
|
|
end
|
|
|
|
def overall_failure_message_when_negated
|
|
Shoulda::Matchers.word_wrap(
|
|
"Expected #{model.name} not to #{description}, but it did."
|
|
)
|
|
end
|
|
|
|
def attribute_is_active_record_column?
|
|
columns_hash.key?(@attribute.to_s)
|
|
end
|
|
|
|
def column_type
|
|
columns_hash[@attribute.to_s].type
|
|
end
|
|
|
|
def columns_hash
|
|
if @subject.class.respond_to?(:columns_hash)
|
|
@subject.class.columns_hash
|
|
else
|
|
{}
|
|
end
|
|
end
|
|
|
|
def add_disallow_value_matcher
|
|
disallow_value_matcher = DisallowValueMatcher.
|
|
new(NON_NUMERIC_VALUE).
|
|
for(@attribute).
|
|
with_message(:not_a_number)
|
|
|
|
add_submatcher(disallow_value_matcher)
|
|
end
|
|
|
|
def prepare_submatcher(submatcher)
|
|
add_submatcher(submatcher)
|
|
submatcher
|
|
end
|
|
|
|
def comparison_matcher_for(value, operator)
|
|
NumericalityMatchers::ComparisonMatcher.
|
|
new(self, value, operator).
|
|
for(@attribute)
|
|
end
|
|
|
|
def add_submatcher(submatcher)
|
|
if submatcher.respond_to?(:allowed_type_name)
|
|
@allowed_type_name = submatcher.allowed_type_name
|
|
end
|
|
|
|
if submatcher.respond_to?(:allowed_type_adjective)
|
|
@allowed_type_adjective = submatcher.allowed_type_adjective
|
|
end
|
|
|
|
if submatcher.respond_to?(:diff_to_compare)
|
|
@diff_to_compare = [@diff_to_compare, submatcher.diff_to_compare].max
|
|
end
|
|
|
|
@submatchers << submatcher
|
|
end
|
|
|
|
def qualify_submatchers
|
|
@submatchers.each do |submatcher|
|
|
if @expects_strict
|
|
submatcher.strict(@expects_strict)
|
|
end
|
|
|
|
if @expected_message.present?
|
|
submatcher.with_message(@expected_message)
|
|
end
|
|
|
|
if @context
|
|
submatcher.on(@context)
|
|
end
|
|
|
|
submatcher.ignoring_interference_by_writer(
|
|
ignore_interference_by_writer
|
|
)
|
|
end
|
|
end
|
|
|
|
def number_of_submatchers_for_failure_message
|
|
if has_been_qualified?
|
|
@submatchers.size - 1
|
|
else
|
|
@submatchers.size
|
|
end
|
|
end
|
|
|
|
def has_been_qualified?
|
|
@submatchers.any? do |submatcher|
|
|
submatcher.class.parent == NumericalityMatchers
|
|
end
|
|
end
|
|
|
|
def first_failing_submatcher
|
|
@_failing_submatchers ||= @submatchers.detect do |submatcher|
|
|
!submatcher.matches?(@subject)
|
|
end
|
|
end
|
|
|
|
def submatcher_failure_message
|
|
first_failing_submatcher.failure_message
|
|
end
|
|
|
|
def submatcher_failure_message_when_negated
|
|
first_failing_submatcher.failure_message_when_negated
|
|
end
|
|
|
|
def failure_message_for_first_failing_submatcher
|
|
submatcher = first_failing_submatcher
|
|
|
|
if number_of_submatchers_for_failure_message > 1
|
|
submatcher_description = submatcher.simple_description.
|
|
sub(/\bvalidate that\b/, 'validates').
|
|
sub(/\bdisallow\b/, 'disallows').
|
|
sub(/\ballow\b/, 'allows')
|
|
submatcher_message =
|
|
"In checking that #{model.name} #{submatcher_description}, " +
|
|
submatcher.failure_message[0].downcase +
|
|
submatcher.failure_message[1..-1]
|
|
else
|
|
submatcher_message = submatcher.failure_message
|
|
end
|
|
|
|
Shoulda::Matchers.word_wrap(submatcher_message, indent: 2)
|
|
end
|
|
|
|
def full_allowed_type
|
|
"#{@allowed_type_adjective} #{@allowed_type_name}".strip
|
|
end
|
|
|
|
def comparison_descriptions
|
|
description_array = submatcher_comparison_descriptions
|
|
description_array.empty? ? '' : submatcher_comparison_descriptions.join(' and ')
|
|
end
|
|
|
|
def submatcher_comparison_descriptions
|
|
@submatchers.inject([]) do |arr, submatcher|
|
|
if submatcher.respond_to? :comparison_description
|
|
arr << submatcher.comparison_description
|
|
end
|
|
arr
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|