Included Modules

Shoulda::ActiveRecord::Macros

Macro test helpers for your active record models

These helpers will test most of the validations and associations for your ActiveRecord models.

  class UserTest < Test::Unit::TestCase
    should_validate_presence_of :name, :phone_number
    should_not_allow_values_for :phone_number, "abcd", "1234"
    should_allow_values_for :phone_number, "(123) 456-7890"

    should_not_allow_mass_assignment_of :password

    should_have_one :profile
    should_have_many :dogs
    should_have_many :messes, :through => :dogs
    should_belong_to :lover
  end

For all of these helpers, the last parameter may be a hash of options.

Public Instance Methods

should_allow_mass_assignment_of(*attributes) click to toggle source

Deprecated: use ActiveRecord::Matchers#allow_mass_assignment_of instead.

Ensures that the attribute can be set on mass update.

  should_allow_mass_assignment_of :first_name, :last_name
    # File lib/shoulda/active_record/macros.rb, line 85
85:       def should_allow_mass_assignment_of(*attributes)
86:         ::ActiveSupport::Deprecation.warn("use: should allow_mass_assignment_of")
87:         get_options!(attributes)
88: 
89:         attributes.each do |attribute|
90:           should allow_mass_assignment_of(attribute)
91:         end
92:       end
should_allow_values_for(attribute, *good_values) click to toggle source

Deprecated: use ActiveRecord::Matchers#allow_value instead.

Ensures that the attribute can be set to the given values.

Example:

  should_allow_values_for :isbn, "isbn 1 2345 6789 0", "ISBN 1-2345-6789-0"
     # File lib/shoulda/active_record/macros.rb, line 151
151:       def should_allow_values_for(attribute, *good_values)
152:         ::ActiveSupport::Deprecation.warn("use: should allow_value")
153:         get_options!(good_values)
154:         good_values.each do |value|
155:           should allow_value(value).for(attribute)
156:         end
157:       end
should_belong_to(*associations) click to toggle source

Deprecated: use ActiveRecord::Matchers#belong_to instead.

Ensure that the belongs_to relationship exists.

  should_belong_to :parent
     # File lib/shoulda/active_record/macros.rb, line 334
334:       def should_belong_to(*associations)
335:         ::ActiveSupport::Deprecation.warn("use: should belong_to")
336:         dependent = get_options!(associations, :dependent)
337:         associations.each do |association|
338:           should belong_to(association).dependent(dependent)
339:         end
340:       end
should_ensure_length_at_least(attribute, min_length, opts = {}) click to toggle source

Deprecated: use ActiveRecord::Matchers#ensure_length_of instead.

Ensures that the length of the attribute is at least a certain length

Options:

  • :short_message - value the test expects to find in errors.on(:attribute). Regexp or string. Default = I18n.translate('activerecord.errors.messages.too_short') % min_length

Example:

  should_ensure_length_at_least :name, 3
     # File lib/shoulda/active_record/macros.rb, line 195
195:       def should_ensure_length_at_least(attribute, min_length, opts = {})
196:         ::ActiveSupport::Deprecation.warn("use: should ensure_length_of.is_at_least")
197:         short_message = get_options!([opts], :short_message)
198: 
199:         should ensure_length_of(attribute).
200:           is_at_least(min_length).
201:           with_short_message(short_message)
202:       end
should_ensure_length_in_range(attribute, range, opts = {}) click to toggle source

Deprecated: use ActiveRecord::Matchers#ensure_length_of instead.

Ensures that the length of the attribute is in the given range

Options:

  • :short_message - value the test expects to find in errors.on(:attribute). Regexp or string. Default = I18n.translate('activerecord.errors.messages.too_short') % range.first

  • :long_message - value the test expects to find in errors.on(:attribute). Regexp or string. Default = I18n.translate('activerecord.errors.messages.too_long') % range.last

Example:

  should_ensure_length_in_range :password, (6..20)
     # File lib/shoulda/active_record/macros.rb, line 172
172:       def should_ensure_length_in_range(attribute, range, opts = {})
173:         ::ActiveSupport::Deprecation.warn("use: should ensure_length_of.is_at_least.is_at_most")
174:         short_message, long_message = get_options!([opts],
175:                                                    :short_message,
176:                                                    :long_message)
177:         should ensure_length_of(attribute).
178:           is_at_least(range.first).
179:           with_short_message(short_message).
180:           is_at_most(range.last).
181:           with_long_message(long_message)
182:       end
should_ensure_length_is(attribute, length, opts = {}) click to toggle source

Deprecated: use ActiveRecord::Matchers#ensure_length_of instead.

Ensures that the length of the attribute is exactly a certain length

Options:

  • :message - value the test expects to find in errors.on(:attribute). Regexp or string. Default = I18n.translate('activerecord.errors.messages.wrong_length') % length

Example:

  should_ensure_length_is :ssn, 9
     # File lib/shoulda/active_record/macros.rb, line 215
215:       def should_ensure_length_is(attribute, length, opts = {})
216:         ::ActiveSupport::Deprecation.warn("use: should ensure_length_of.is_equal_to")
217:         message = get_options!([opts], :message)
218:         should ensure_length_of(attribute).
219:           is_equal_to(length).
220:           with_message(message)
221:       end
should_ensure_value_in_range(attribute, range, opts = {}) click to toggle source

Deprecated: use ActiveRecord::Matchers#ensure_inclusion_of instead.

Ensure that the attribute is in the range specified

Options:

  • :low_message - value the test expects to find in errors.on(:attribute). Regexp or string. Default = I18n.translate('activerecord.errors.messages.inclusion')

  • :high_message - value the test expects to find in errors.on(:attribute). Regexp or string. Default = I18n.translate('activerecord.errors.messages.inclusion')

Example:

  should_ensure_value_in_range :age, (0..100)
     # File lib/shoulda/active_record/macros.rb, line 236
236:       def should_ensure_value_in_range(attribute, range, opts = {})
237:         ::ActiveSupport::Deprecation.warn("use: should ensure_inclusion_of.in_range")
238:         message, low_message, high_message = get_options!([opts],
239:                                                           :message,
240:                                                           :low_message,
241:                                                           :high_message)
242:         should ensure_inclusion_of(attribute).
243:           in_range(range).
244:           with_message(message).
245:           with_low_message(low_message).
246:           with_high_message(high_message)
247:       end
should_have_and_belong_to_many(*associations) click to toggle source

Deprecated: use ActiveRecord::Matchers#have_and_belong_to_many instead.

Ensures that the has_and_belongs_to_many relationship exists, and that the join table is in place.

  should_have_and_belong_to_many :posts, :cars
     # File lib/shoulda/active_record/macros.rb, line 319
319:       def should_have_and_belong_to_many(*associations)
320:         ::ActiveSupport::Deprecation.warn("use: should have_and_belong_to_many")
321:         get_options!(associations)
322: 
323:         associations.each do |association|
324:           should have_and_belong_to_many(association)
325:         end
326:       end
should_have_class_methods(*methods) click to toggle source

Deprecated.

Ensure that the given class methods are defined on the model.

  should_have_class_methods :find, :destroy
     # File lib/shoulda/active_record/macros.rb, line 348
348:       def should_have_class_methods(*methods)
349:         ::ActiveSupport::Deprecation.warn
350:         get_options!(methods)
351:         klass = described_type
352:         methods.each do |method|
353:           should "respond to class method ##{method}" do
354:             assert_respond_to klass, method, "#{klass.name} does not have class method #{method}"
355:           end
356:         end
357:       end
should_have_db_column(*columns) click to toggle source
should_have_db_columns(*columns) click to toggle source

Deprecated: use ActiveRecord::Matchers#have_db_column instead.

Ensure that the given columns are defined on the models backing SQL table. Also aliased to should_have_db_column for readability. Takes the same options available in migrations: :type, :precision, :limit, :default, :null, and :scale

Examples:

  should_have_db_columns :id, :email, :name, :created_at

  should_have_db_column :email,  :type => "string", :limit => 255
  should_have_db_column :salary, :decimal, :precision => 15, :scale => 2
  should_have_db_column :admin,  :default => false, :null => false
     # File lib/shoulda/active_record/macros.rb, line 391
391:       def should_have_db_columns(*columns)
392:         ::ActiveSupport::Deprecation.warn("use: should have_db_column")
393:         column_type, precision, limit, default, null, scale, sql_type =
394:           get_options!(columns, :type, :precision, :limit,
395:                                 :default, :null, :scale, :sql_type)
396:         columns.each do |name|
397:           should have_db_column(name).
398:                       of_type(column_type).
399:                       with_options(:precision => precision, :limit    => limit,
400:                                    :default   => default,   :null     => null,
401:                                    :scale     => scale,     :sql_type => sql_type)
402:         end
403:       end
Also aliased as: should_have_db_column
should_have_db_index(*columns) click to toggle source
should_have_db_indices(*columns) click to toggle source

Deprecated: use ActiveRecord::Matchers#have_db_index instead.

Ensures that there are DB indices on the given columns or tuples of columns. Also aliased to should_have_db_index for readability

Options:

  • :unique - whether or not the index has a unique constraint. Use true to explicitly test for a unique constraint. Use false to explicitly test for a non-unique constraint. Use nil if you don’t care whether the index is unique or not. Default = nil

Examples:

  should_have_db_indices :email, :name, [:commentable_type, :commentable_id]
  should_have_db_index :age
  should_have_db_index :ssn, :unique => true
     # File lib/shoulda/active_record/macros.rb, line 425
425:       def should_have_db_indices(*columns)
426:         ::ActiveSupport::Deprecation.warn("use: should have_db_index")
427:         unique = get_options!(columns, :unique)
428: 
429:         columns.each do |column|
430:           should have_db_index(column).unique(unique)
431:         end
432:       end
Also aliased as: should_have_db_index
should_have_instance_methods(*methods) click to toggle source

Deprecated.

Ensure that the given instance methods are defined on the model.

  should_have_instance_methods :email, :name, :name=
     # File lib/shoulda/active_record/macros.rb, line 365
365:       def should_have_instance_methods(*methods)
366:         ::ActiveSupport::Deprecation.warn
367:         get_options!(methods)
368:         klass = described_type
369:         methods.each do |method|
370:           should "respond to instance method ##{method}" do
371:             assert_respond_to klass.new, method, "#{klass.name} does not have instance method #{method}"
372:           end
373:         end
374:       end
should_have_many(*associations) click to toggle source

Deprecated: use ActiveRecord::Matchers#have_many instead.

Ensures that the has_many relationship exists. Will also test that the associated table has the required columns. Works with polymorphic associations.

Options:

  • :through - association name for has_many :through

  • :dependent - tests that the association makes use of the dependent option.

Example:

  should_have_many :friends
  should_have_many :enemies, :through => :friends
  should_have_many :enemies, :dependent => :destroy
     # File lib/shoulda/active_record/macros.rb, line 284
284:       def should_have_many(*associations)
285:         ::ActiveSupport::Deprecation.warn("use: should have_many")
286:         through, dependent = get_options!(associations, :through, :dependent)
287:         associations.each do |association|
288:           should have_many(association).through(through).dependent(dependent)
289:         end
290:       end
should_have_one(*associations) click to toggle source

Deprecated: use ActiveRecord::Matchers#have_one instead.

Ensure that the has_one relationship exists. Will also test that the associated table has the required columns. Works with polymorphic associations.

Options:

  • :dependent - tests that the association makes use of the dependent option.

Example:

  should_have_one :god # unless hindu
     # File lib/shoulda/active_record/macros.rb, line 304
304:       def should_have_one(*associations)
305:         ::ActiveSupport::Deprecation.warn("use: should have_one")
306:         dependent, through = get_options!(associations, :dependent, :through)
307:         associations.each do |association|
308:           should have_one(association).dependent(dependent).through(through)
309:         end
310:       end
should_have_readonly_attributes(*attributes) click to toggle source

Deprecated: use ActiveRecord::Matchers#have_readonly_attribute instead.

Ensures that the attribute cannot be changed once the record has been created.

  should_have_readonly_attributes :password, :admin_flag
     # File lib/shoulda/active_record/macros.rb, line 115
115:       def should_have_readonly_attributes(*attributes)
116:         ::ActiveSupport::Deprecation.warn("use: should have_readonly_attribute")
117:         get_options!(attributes)
118: 
119:         attributes.each do |attribute|
120:           should have_readonly_attribute(attribute)
121:         end
122:       end
should_not_allow_mass_assignment_of(*attributes) click to toggle source

Deprecated: use ActiveRecord::Matchers#allow_mass_assignment_of instead.

Ensures that the attribute cannot be set on mass update.

  should_not_allow_mass_assignment_of :password, :admin_flag
     # File lib/shoulda/active_record/macros.rb, line 100
100:       def should_not_allow_mass_assignment_of(*attributes)
101:         ::ActiveSupport::Deprecation.warn("use: should_not allow_mass_assignment_of")
102:         get_options!(attributes)
103: 
104:         attributes.each do |attribute|
105:           should_not allow_mass_assignment_of(attribute)
106:         end
107:       end
should_not_allow_values_for(attribute, *bad_values) click to toggle source

Deprecated: use ActiveRecord::Matchers#allow_value instead.

Ensures that the attribute cannot be set to the given values

Options:

  • :message - value the test expects to find in errors.on(:attribute). Regexp or string. If omitted, the test will pass if there is ANY error in errors.on(:attribute).

Example:

  should_not_allow_values_for :isbn, "bad 1", "bad 2"
     # File lib/shoulda/active_record/macros.rb, line 136
136:       def should_not_allow_values_for(attribute, *bad_values)
137:         ::ActiveSupport::Deprecation.warn("use: should_not allow_value")
138:         message = get_options!(bad_values, :message)
139:         bad_values.each do |value|
140:           should_not allow_value(value).for(attribute).with_message(message)
141:         end
142:       end
should_validate_acceptance_of(*attributes) click to toggle source

Deprecated: use ActiveRecord::Matchers#validate_acceptance_of instead.

Ensures that the model cannot be saved if one of the attributes listed is not accepted.

Options:

  • :message - value the test expects to find in errors.on(:attribute). Regexp or string. Default = I18n.translate('activerecord.errors.messages.accepted')

Example:

  should_validate_acceptance_of :eula
     # File lib/shoulda/active_record/macros.rb, line 447
447:       def should_validate_acceptance_of(*attributes)
448:         ::ActiveSupport::Deprecation.warn("use: should validate_acceptance_of")
449:         message = get_options!(attributes, :message)
450: 
451:         attributes.each do |attribute|
452:           should validate_acceptance_of(attribute).with_message(message)
453:         end
454:       end
should_validate_numericality_of(*attributes) click to toggle source

Deprecated: use ActiveRecord::Matchers#validate_numericality_of instead.

Ensure that the attribute is numeric

Options:

  • :message - value the test expects to find in errors.on(:attribute). Regexp or string. Default = I18n.translate('activerecord.errors.messages.not_a_number')

Example:

  should_validate_numericality_of :age
     # File lib/shoulda/active_record/macros.rb, line 260
260:       def should_validate_numericality_of(*attributes)
261:         ::ActiveSupport::Deprecation.warn("use: should validate_numericality_of")
262:         message = get_options!(attributes, :message)
263:         attributes.each do |attribute|
264:           should validate_numericality_of(attribute).
265:             with_message(message)
266:         end
267:       end
should_validate_presence_of(*attributes) click to toggle source

Deprecated: use ActiveRecord::Matchers#validate_presence_of instead.

Ensures that the model cannot be saved if one of the attributes listed is not present.

Options:

  • :message - value the test expects to find in errors.on(:attribute). Regexp or string. Default = I18n.translate('activerecord.errors.messages.blank')

Example:

  should_validate_presence_of :name, :phone_number
    # File lib/shoulda/active_record/macros.rb, line 37
37:       def should_validate_presence_of(*attributes)
38:         ::ActiveSupport::Deprecation.warn("use: should validate_presence_of")
39:         message = get_options!(attributes, :message)
40: 
41:         attributes.each do |attribute|
42:           should validate_presence_of(attribute).with_message(message)
43:         end
44:       end
should_validate_uniqueness_of(*attributes) click to toggle source

Deprecated: use ActiveRecord::Matchers#validate_uniqueness_of instead.

Ensures that the model cannot be saved if one of the attributes listed is not unique. Requires an existing record

Options:

  • :message - value the test expects to find in errors.on(:attribute). Regexp or string. Default = I18n.translate('activerecord.errors.messages.taken')

  • :scoped_to - field(s) to scope the uniqueness to.

  • :case_sensitive - whether or not uniqueness is defined by an exact match. Ignored by non-text attributes. Default = true

Examples:

  should_validate_uniqueness_of :keyword, :username
  should_validate_uniqueness_of :name, :message => "O NOES! SOMEONE STOELED YER NAME!"
  should_validate_uniqueness_of :email, :scoped_to => :name
  should_validate_uniqueness_of :address, :scoped_to => [:first_name, :last_name]
  should_validate_uniqueness_of :email, :case_sensitive => false
    # File lib/shoulda/active_record/macros.rb, line 65
65:       def should_validate_uniqueness_of(*attributes)
66:         ::ActiveSupport::Deprecation.warn("use: should validate_uniqueness_of")
67:         message, scope, case_sensitive = get_options!(attributes, :message, :scoped_to, :case_sensitive)
68:         scope = [*scope].compact
69:         case_sensitive = true if case_sensitive.nil?
70: 
71:         attributes.each do |attribute|
72:           matcher = validate_uniqueness_of(attribute).
73:             with_message(message).scoped_to(scope)
74:           matcher = matcher.case_insensitive unless case_sensitive
75:           should matcher
76:         end
77:       end

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