diff options
Diffstat (limited to 'activerecord')
15 files changed, 407 insertions, 379 deletions
diff --git a/activerecord/CHANGELOG.md b/activerecord/CHANGELOG.md index 0c8c8c006e..526cc874e9 100644 --- a/activerecord/CHANGELOG.md +++ b/activerecord/CHANGELOG.md @@ -1,41 +1,41 @@ ## Rails 4.0.0 (unreleased) ## -* Allow ActiveRecord::Base.connection_handler to have thread affinity and be - settable, this effectively allows ActiveRecord to be used in a multi threaded +* Allow `ActiveRecord::Base.connection_handler` to have thread affinity and be + settable, this effectively allows Active Record to be used in a multi threaded setup with multiple connections to multiple dbs. *Sam Saffron* -* `rename_column` preserves auto_increment in mysql migrations. +* `rename_column` preserves `auto_increment` in MySQL migrations. Fixes #3493. *Vipul A M* -* PostgreSQL geometric type point is supported by ActiveRecord. Fixes #7324. +* PostgreSQL geometric type point is now supported by Active Record. Fixes #7324. *Martin Schuerrer* * Add support for concurrent indexing in PostgreSQL adapter via the - `algorithm: :concurrently` option + `algorithm: :concurrently` option. add_index(:people, :last_name, algorithm: :concurrently) - Also adds support for MySQL index algorithms (`COPY`, `INPLACE`, - `DEFAULT`) via the `algorithm: :copy` option + Also add support for MySQL index algorithms (`COPY`, `INPLACE`, + `DEFAULT`) via the `:algorithm` option. add_index(:people, :last_name, algorithm: :copy) # or :inplace/:default *Dan McClain* -* Add support for fulltext and spatial indexes on MySQL tables with MyISAM database - engine via the `type: 'FULLTEXT'` / `type: 'SPATIAL'` option +* Add support for fulltext and spatial indexes on MySQL tables with MyISAM database + engine via the `type: 'FULLTEXT'` / `type: 'SPATIAL'` option. add_index(:people, :last_name, type: 'FULLTEXT') add_index(:people, :last_name, type: 'SPATIAL') *Ken Mazaika* -* Add an `add_index` override in Postgresql adapter and MySQL adapter +* Add an `add_index` override in PostgreSQL adapter and MySQL adapter to allow custom index type support. Fixes #6101. add_index(:wikis, :body, :using => 'gin') diff --git a/activerecord/README.rdoc b/activerecord/README.rdoc index ed1e171d58..822e460918 100644 --- a/activerecord/README.rdoc +++ b/activerecord/README.rdoc @@ -190,7 +190,7 @@ The latest version of Active Record can be installed with RubyGems: % [sudo] gem install activerecord -Source code can be downloaded as part of the Rails project on GitHub +Source code can be downloaded as part of the Rails project on GitHub: * https://github.com/rails/rails/tree/master/activerecord @@ -204,7 +204,7 @@ Active Record is released under the MIT license: == Support -API documentation is at +API documentation is at: * http://api.rubyonrails.org diff --git a/activerecord/examples/associations.png b/activerecord/examples/associations.png Binary files differdeleted file mode 100644 index 661c7a8bbc..0000000000 --- a/activerecord/examples/associations.png +++ /dev/null diff --git a/activerecord/lib/active_record/associations.rb b/activerecord/lib/active_record/associations.rb index eb08f72286..4fd817bd8c 100644 --- a/activerecord/lib/active_record/associations.rb +++ b/activerecord/lib/active_record/associations.rb @@ -1115,11 +1115,11 @@ module ActiveRecord # similar callbacks may affect the :dependent behavior, and the # :dependent behavior may affect other callbacks. # - # * <tt>:destroy</tt> causes all the associated objects to also be destroyed - # * <tt>:delete_all</tt> causes all the associated objects to be deleted directly from the database (so callbacks will not execute) + # * <tt>:destroy</tt> causes all the associated objects to also be destroyed. + # * <tt>:delete_all</tt> causes all the associated objects to be deleted directly from the database (so callbacks will not be executed). # * <tt>:nullify</tt> causes the foreign keys to be set to +NULL+. Callbacks are not executed. - # * <tt>:restrict_with_exception</tt> causes an exception to be raised if there are any associated records - # * <tt>:restrict_with_error</tt> causes an error to be added to the owner if there are any associated objects + # * <tt>:restrict_with_exception</tt> causes an exception to be raised if there are any associated records. + # * <tt>:restrict_with_error</tt> causes an error to be added to the owner if there are any associated objects. # # If using with the <tt>:through</tt> option, the association on the join model must be # a +belongs_to+, and the records which get deleted are the join records, rather than diff --git a/activerecord/lib/active_record/associations/association.rb b/activerecord/lib/active_record/associations/association.rb index 4c4b0f08e5..f3f4792eaa 100644 --- a/activerecord/lib/active_record/associations/association.rb +++ b/activerecord/lib/active_record/associations/association.rb @@ -92,7 +92,7 @@ module ActiveRecord # The scope for this association. # # Note that the association_scope is merged into the target_scope only when the - # scoped method is called. This is because at that point the call may be surrounded + # scope method is called. This is because at that point the call may be surrounded # by scope.scoping { ... } or with_scope { ... } etc, which affects the scope which # actually gets built. def association_scope @@ -113,7 +113,7 @@ module ActiveRecord end end - # This class of the target. belongs_to polymorphic overrides this to look at the + # Returns the class of the target. belongs_to polymorphic overrides this to look at the # polymorphic_type field on the owner. def klass reflection.klass @@ -217,7 +217,8 @@ module ActiveRecord reflection.inverse_of end - # Is this association invertible? Can be redefined by subclasses. + # Returns true if inverse association on the given record needs to be set. + # This method is redefined by subclasses. def invertible_for?(record) inverse_reflection_for(record) end diff --git a/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb b/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb index 6b319fed88..530a27d099 100644 --- a/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb @@ -4,7 +4,7 @@ gem 'mysql2', '~> 0.3.10' require 'mysql2' module ActiveRecord - module ConnectionHandling + module ConnectionHandling # :nodoc: # Establishes a connection to the database that's used by all Active Record objects. def mysql2_connection(config) config = config.symbolize_keys diff --git a/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb b/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb index 0e01fe0fdb..09ba2e0d4a 100644 --- a/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb @@ -16,9 +16,9 @@ class Mysql end module ActiveRecord - module ConnectionHandling + module ConnectionHandling # :nodoc: # Establishes a connection to the database that's used by all Active Record objects. - def mysql_connection(config) # :nodoc: + def mysql_connection(config) config = config.symbolize_keys host = config[:host] port = config[:port] diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb index 46e41e6b48..e34e1fc10c 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb @@ -16,7 +16,7 @@ require 'pg' require 'ipaddr' module ActiveRecord - module ConnectionHandling + module ConnectionHandling # :nodoc: VALID_CONN_PARAMS = [:host, :hostaddr, :port, :dbname, :user, :password, :connect_timeout, :client_encoding, :options, :application_name, :fallback_application_name, :keepalives, :keepalives_idle, :keepalives_interval, :keepalives_count, @@ -24,7 +24,7 @@ module ActiveRecord :requirepeer, :krbsrvname, :gsslib, :service] # Establishes a connection to the database that's used by all Active Record objects - def postgresql_connection(config) # :nodoc: + def postgresql_connection(config) conn_params = config.symbolize_keys conn_params.delete_if { |_, v| v.nil? } diff --git a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb index 50d189d27a..7d940fe1c9 100644 --- a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb @@ -6,9 +6,9 @@ gem 'sqlite3', '~> 1.3.6' require 'sqlite3' module ActiveRecord - module ConnectionHandling + module ConnectionHandling # :nodoc: # sqlite3 adapter reuses sqlite_connection. - def sqlite3_connection(config) # :nodoc: + def sqlite3_connection(config) # Require database. unless config[:database] raise ArgumentError, "No database file specified. Missing argument: database" diff --git a/activerecord/lib/active_record/connection_handling.rb b/activerecord/lib/active_record/connection_handling.rb index d6d998c7be..1e03414c29 100644 --- a/activerecord/lib/active_record/connection_handling.rb +++ b/activerecord/lib/active_record/connection_handling.rb @@ -15,15 +15,15 @@ module ActiveRecord # Example for SQLite database: # # ActiveRecord::Base.establish_connection( - # adapter: "sqlite", - # database: "path/to/dbfile" + # adapter: "sqlite", + # database: "path/to/dbfile" # ) # # Also accepts keys as strings (for parsing from YAML for example): # # ActiveRecord::Base.establish_connection( - # "adapter" => "sqlite", - # "database" => "path/to/dbfile" + # "adapter" => "sqlite", + # "database" => "path/to/dbfile" # ) # # Or a URL: @@ -79,7 +79,7 @@ module ActiveRecord connection_handler.retrieve_connection(self) end - # Returns true if Active Record is connected. + # Returns +true+ if Active Record is connected. def connected? connection_handler.connected?(self) end diff --git a/activerecord/lib/active_record/nested_attributes.rb b/activerecord/lib/active_record/nested_attributes.rb index 602ab9e2f4..f0c29bbf73 100644 --- a/activerecord/lib/active_record/nested_attributes.rb +++ b/activerecord/lib/active_record/nested_attributes.rb @@ -90,8 +90,9 @@ module ActiveRecord # accepts_nested_attributes_for :posts # end # - # You can now set or update attributes on an associated post model through - # the attribute hash. + # You can now set or update attributes on the associated posts through + # an attribute hash for a member: include the key +:posts_attributes+ + # with an array of hashes of post attributes as a value. # # For each hash that does _not_ have an <tt>id</tt> key a new record will # be instantiated, unless the hash also contains a <tt>_destroy</tt> key @@ -114,10 +115,10 @@ module ActiveRecord # hashes if they fail to pass your criteria. For example, the previous # example could be rewritten as: # - # class Member < ActiveRecord::Base - # has_many :posts - # accepts_nested_attributes_for :posts, reject_if: proc { |attributes| attributes['title'].blank? } - # end + # class Member < ActiveRecord::Base + # has_many :posts + # accepts_nested_attributes_for :posts, reject_if: proc { |attributes| attributes['title'].blank? } + # end # # params = { member: { # name: 'joe', posts_attributes: [ @@ -134,19 +135,19 @@ module ActiveRecord # # Alternatively, :reject_if also accepts a symbol for using methods: # - # class Member < ActiveRecord::Base - # has_many :posts - # accepts_nested_attributes_for :posts, reject_if: :new_record? - # end + # class Member < ActiveRecord::Base + # has_many :posts + # accepts_nested_attributes_for :posts, reject_if: :new_record? + # end # - # class Member < ActiveRecord::Base - # has_many :posts - # accepts_nested_attributes_for :posts, reject_if: :reject_posts + # class Member < ActiveRecord::Base + # has_many :posts + # accepts_nested_attributes_for :posts, reject_if: :reject_posts # - # def reject_posts(attributed) - # attributed['title'].blank? - # end - # end + # def reject_posts(attributed) + # attributed['title'].blank? + # end + # end # # If the hash contains an <tt>id</tt> key that matches an already # associated record, the matching record will be modified: @@ -183,6 +184,29 @@ module ActiveRecord # member.save # member.reload.posts.length # => 1 # + # Nested attributes for an associated collection can also be passed in + # the form of a hash of hashes instead of an array of hashes: + # + # Member.create(name: 'joe', + # posts_attributes: { first: { title: 'Foo' }, + # second: { title: 'Bar' } }) + # + # has the same effect as + # + # Member.create(name: 'joe', + # posts_attributes: [ { title: 'Foo' }, + # { title: 'Bar' } ]) + # + # The keys of the hash which is the value for +:posts_attributes+ are + # ignored in this case. + # However, it is not allowed to use +'id'+ or +:id+ for one of + # such keys, otherwise the hash will be wrapped in an array and + # interpreted as an attribute hash for a single post. + # + # Passing attributes for an associated collection in the form of a hash + # of hashes can be used with hashes generated from HTTP/HTML parameters, + # where there maybe no natural way to submit an array of hashes. + # # === Saving # # All changes to models, including the destruction of those marked for diff --git a/activerecord/lib/active_record/relation/calculations.rb b/activerecord/lib/active_record/relation/calculations.rb index be011b22af..4f60704790 100644 --- a/activerecord/lib/active_record/relation/calculations.rb +++ b/activerecord/lib/active_record/relation/calculations.rb @@ -135,7 +135,7 @@ module ActiveRecord # # SELECT people.id, people.name FROM people # # => [[1, 'David'], [2, 'Jeremy'], [3, 'Jose']] # - # Person.uniq.pluck(:role) + # Person.pluck('DISTINCT role') # # SELECT DISTINCT role FROM people # # => ['admin', 'member', 'guest'] # diff --git a/activerecord/test/cases/relation_scoping_test.rb b/activerecord/test/cases/scoping/default_scoping_test.rb index e2af66ff9d..5a65ad5dfa 100644 --- a/activerecord/test/cases/relation_scoping_test.rb +++ b/activerecord/test/cases/scoping/default_scoping_test.rb @@ -1,334 +1,6 @@ -require "cases/helper" +require 'cases/helper' require 'models/post' -require 'models/author' require 'models/developer' -require 'models/project' -require 'models/comment' -require 'models/category' -require 'models/person' -require 'models/reference' - -class RelationScopingTest < ActiveRecord::TestCase - fixtures :authors, :developers, :projects, :comments, :posts, :developers_projects - - def test_reverse_order - assert_equal Developer.order("id DESC").to_a.reverse, Developer.order("id DESC").reverse_order - end - - def test_reverse_order_with_arel_node - assert_equal Developer.order("id DESC").to_a.reverse, Developer.order(Developer.arel_table[:id].desc).reverse_order - end - - def test_reverse_order_with_multiple_arel_nodes - assert_equal Developer.order("id DESC").order("name DESC").to_a.reverse, Developer.order(Developer.arel_table[:id].desc).order(Developer.arel_table[:name].desc).reverse_order - end - - def test_reverse_order_with_arel_nodes_and_strings - assert_equal Developer.order("id DESC").order("name DESC").to_a.reverse, Developer.order("id DESC").order(Developer.arel_table[:name].desc).reverse_order - end - - def test_double_reverse_order_produces_original_order - assert_equal Developer.order("name DESC"), Developer.order("name DESC").reverse_order.reverse_order - end - - def test_scoped_find - Developer.where("name = 'David'").scoping do - assert_nothing_raised { Developer.find(1) } - end - end - - def test_scoped_find_first - developer = Developer.find(10) - Developer.where("salary = 100000").scoping do - assert_equal developer, Developer.order("name").first - end - end - - def test_scoped_find_last - highest_salary = Developer.order("salary DESC").first - - Developer.order("salary").scoping do - assert_equal highest_salary, Developer.last - end - end - - def test_scoped_find_last_preserves_scope - lowest_salary = Developer.order("salary ASC").first - highest_salary = Developer.order("salary DESC").first - - Developer.order("salary").scoping do - assert_equal highest_salary, Developer.last - assert_equal lowest_salary, Developer.first - end - end - - def test_scoped_find_combines_and_sanitizes_conditions - Developer.where("salary = 9000").scoping do - assert_equal developers(:poor_jamis), Developer.where("name = 'Jamis'").first - end - end - - def test_scoped_find_all - Developer.where("name = 'David'").scoping do - assert_equal [developers(:david)], Developer.all - end - end - - def test_scoped_find_select - Developer.select("id, name").scoping do - developer = Developer.where("name = 'David'").first - assert_equal "David", developer.name - assert !developer.has_attribute?(:salary) - end - end - - def test_scope_select_concatenates - Developer.select("id, name").scoping do - developer = Developer.select('salary').where("name = 'David'").first - assert_equal 80000, developer.salary - assert developer.has_attribute?(:id) - assert developer.has_attribute?(:name) - assert developer.has_attribute?(:salary) - end - end - - def test_scoped_count - Developer.where("name = 'David'").scoping do - assert_equal 1, Developer.count - end - - Developer.where('salary = 100000').scoping do - assert_equal 8, Developer.count - assert_equal 1, Developer.where("name LIKE 'fixture_1%'").count - end - end - - def test_scoped_find_include - # with the include, will retrieve only developers for the given project - scoped_developers = Developer.includes(:projects).scoping do - Developer.where('projects.id' => 2).to_a - end - assert scoped_developers.include?(developers(:david)) - assert !scoped_developers.include?(developers(:jamis)) - assert_equal 1, scoped_developers.size - end - - def test_scoped_find_joins - scoped_developers = Developer.joins('JOIN developers_projects ON id = developer_id').scoping do - Developer.where('developers_projects.project_id = 2').to_a - end - - assert scoped_developers.include?(developers(:david)) - assert !scoped_developers.include?(developers(:jamis)) - assert_equal 1, scoped_developers.size - assert_equal developers(:david).attributes, scoped_developers.first.attributes - end - - def test_scoped_create_with_where - new_comment = VerySpecialComment.where(:post_id => 1).scoping do - VerySpecialComment.create :body => "Wonderful world" - end - - assert_equal 1, new_comment.post_id - assert Post.find(1).comments.include?(new_comment) - end - - def test_scoped_create_with_create_with - new_comment = VerySpecialComment.create_with(:post_id => 1).scoping do - VerySpecialComment.create :body => "Wonderful world" - end - - assert_equal 1, new_comment.post_id - assert Post.find(1).comments.include?(new_comment) - end - - def test_scoped_create_with_create_with_has_higher_priority - new_comment = VerySpecialComment.where(:post_id => 2).create_with(:post_id => 1).scoping do - VerySpecialComment.create :body => "Wonderful world" - end - - assert_equal 1, new_comment.post_id - assert Post.find(1).comments.include?(new_comment) - end - - def test_ensure_that_method_scoping_is_correctly_restored - begin - Developer.where("name = 'Jamis'").scoping do - raise "an exception" - end - rescue - end - - assert !Developer.all.where_values.include?("name = 'Jamis'") - end - - def test_default_scope_filters_on_joins - assert_equal 1, DeveloperFilteredOnJoins.all.count - assert_equal DeveloperFilteredOnJoins.all.first, developers(:david).becomes(DeveloperFilteredOnJoins) - end - - def test_update_all_default_scope_filters_on_joins - DeveloperFilteredOnJoins.update_all(:salary => 65000) - assert_equal 65000, Developer.find(developers(:david).id).salary - - # has not changed jamis - assert_not_equal 65000, Developer.find(developers(:jamis).id).salary - end - - def test_delete_all_default_scope_filters_on_joins - assert_not_equal [], DeveloperFilteredOnJoins.all - - DeveloperFilteredOnJoins.delete_all() - - assert_equal [], DeveloperFilteredOnJoins.all - assert_not_equal [], Developer.all - end -end - -class NestedRelationScopingTest < ActiveRecord::TestCase - fixtures :authors, :developers, :projects, :comments, :posts - - def test_merge_options - Developer.where('salary = 80000').scoping do - Developer.limit(10).scoping do - devs = Developer.all - assert_match '(salary = 80000)', devs.to_sql - assert_equal 10, devs.taken - end - end - end - - def test_merge_inner_scope_has_priority - Developer.limit(5).scoping do - Developer.limit(10).scoping do - assert_equal 10, Developer.all.size - end - end - end - - def test_replace_options - Developer.where(:name => 'David').scoping do - Developer.unscoped do - assert_equal 'Jamis', Developer.where(:name => 'Jamis').first[:name] - end - - assert_equal 'David', Developer.first[:name] - end - end - - def test_three_level_nested_exclusive_scoped_find - Developer.where("name = 'Jamis'").scoping do - assert_equal 'Jamis', Developer.first.name - - Developer.unscoped.where("name = 'David'") do - assert_equal 'David', Developer.first.name - - Developer.unscoped.where("name = 'Maiha'") do - assert_equal nil, Developer.first - end - - # ensure that scoping is restored - assert_equal 'David', Developer.first.name - end - - # ensure that scoping is restored - assert_equal 'Jamis', Developer.first.name - end - end - - def test_nested_scoped_create - comment = Comment.create_with(:post_id => 1).scoping do - Comment.create_with(:post_id => 2).scoping do - Comment.create :body => "Hey guys, nested scopes are broken. Please fix!" - end - end - - assert_equal 2, comment.post_id - end - - def test_nested_exclusive_scope_for_create - comment = Comment.create_with(:body => "Hey guys, nested scopes are broken. Please fix!").scoping do - Comment.unscoped.create_with(:post_id => 1).scoping do - assert Comment.new.body.blank? - Comment.create :body => "Hey guys" - end - end - - assert_equal 1, comment.post_id - assert_equal 'Hey guys', comment.body - end -end - -class HasManyScopingTest< ActiveRecord::TestCase - fixtures :comments, :posts, :people, :references - - def setup - @welcome = Post.find(1) - end - - def test_forwarding_of_static_methods - assert_equal 'a comment...', Comment.what_are_you - assert_equal 'a comment...', @welcome.comments.what_are_you - end - - def test_forwarding_to_scoped - assert_equal 4, Comment.search_by_type('Comment').size - assert_equal 2, @welcome.comments.search_by_type('Comment').size - end - - def test_nested_scope_finder - Comment.where('1=0').scoping do - assert_equal 0, @welcome.comments.count - assert_equal 'a comment...', @welcome.comments.what_are_you - end - - Comment.where('1=1').scoping do - assert_equal 2, @welcome.comments.count - assert_equal 'a comment...', @welcome.comments.what_are_you - end - end - - def test_should_maintain_default_scope_on_associations - magician = BadReference.find(1) - assert_equal [magician], people(:michael).bad_references - end - - def test_should_default_scope_on_associations_is_overridden_by_association_conditions - reference = references(:michael_unicyclist).becomes(BadReference) - assert_equal [reference], people(:michael).fixed_bad_references - end - - def test_should_maintain_default_scope_on_eager_loaded_associations - michael = Person.where(:id => people(:michael).id).includes(:bad_references).first - magician = BadReference.find(1) - assert_equal [magician], michael.bad_references - end -end - -class HasAndBelongsToManyScopingTest< ActiveRecord::TestCase - fixtures :posts, :categories, :categories_posts - - def setup - @welcome = Post.find(1) - end - - def test_forwarding_of_static_methods - assert_equal 'a category...', Category.what_are_you - assert_equal 'a category...', @welcome.categories.what_are_you - end - - def test_nested_scope_finder - Category.where('1=0').scoping do - assert_equal 0, @welcome.categories.count - assert_equal 'a category...', @welcome.categories.what_are_you - end - - Category.where('1=1').scoping do - assert_equal 2, @welcome.categories.count - assert_equal 'a category...', @welcome.categories.what_are_you - end - end -end class DefaultScopingTest < ActiveRecord::TestCase fixtures :developers, :posts diff --git a/activerecord/test/cases/named_scope_test.rb b/activerecord/test/cases/scoping/named_scoping_test.rb index 1eb3bc4177..3e2e6ab701 100644 --- a/activerecord/test/cases/named_scope_test.rb +++ b/activerecord/test/cases/scoping/named_scoping_test.rb @@ -6,7 +6,7 @@ require 'models/reply' require 'models/author' require 'models/developer' -class NamedScopeTest < ActiveRecord::TestCase +class NamedScopingTest < ActiveRecord::TestCase fixtures :posts, :authors, :topics, :comments, :author_addresses def test_implements_enumerable diff --git a/activerecord/test/cases/scoping/relation_scoping_test.rb b/activerecord/test/cases/scoping/relation_scoping_test.rb new file mode 100644 index 0000000000..0018fc06f2 --- /dev/null +++ b/activerecord/test/cases/scoping/relation_scoping_test.rb @@ -0,0 +1,331 @@ +require "cases/helper" +require 'models/post' +require 'models/author' +require 'models/developer' +require 'models/project' +require 'models/comment' +require 'models/category' +require 'models/person' +require 'models/reference' + +class RelationScopingTest < ActiveRecord::TestCase + fixtures :authors, :developers, :projects, :comments, :posts, :developers_projects + + def test_reverse_order + assert_equal Developer.order("id DESC").to_a.reverse, Developer.order("id DESC").reverse_order + end + + def test_reverse_order_with_arel_node + assert_equal Developer.order("id DESC").to_a.reverse, Developer.order(Developer.arel_table[:id].desc).reverse_order + end + + def test_reverse_order_with_multiple_arel_nodes + assert_equal Developer.order("id DESC").order("name DESC").to_a.reverse, Developer.order(Developer.arel_table[:id].desc).order(Developer.arel_table[:name].desc).reverse_order + end + + def test_reverse_order_with_arel_nodes_and_strings + assert_equal Developer.order("id DESC").order("name DESC").to_a.reverse, Developer.order("id DESC").order(Developer.arel_table[:name].desc).reverse_order + end + + def test_double_reverse_order_produces_original_order + assert_equal Developer.order("name DESC"), Developer.order("name DESC").reverse_order.reverse_order + end + + def test_scoped_find + Developer.where("name = 'David'").scoping do + assert_nothing_raised { Developer.find(1) } + end + end + + def test_scoped_find_first + developer = Developer.find(10) + Developer.where("salary = 100000").scoping do + assert_equal developer, Developer.order("name").first + end + end + + def test_scoped_find_last + highest_salary = Developer.order("salary DESC").first + + Developer.order("salary").scoping do + assert_equal highest_salary, Developer.last + end + end + + def test_scoped_find_last_preserves_scope + lowest_salary = Developer.order("salary ASC").first + highest_salary = Developer.order("salary DESC").first + + Developer.order("salary").scoping do + assert_equal highest_salary, Developer.last + assert_equal lowest_salary, Developer.first + end + end + + def test_scoped_find_combines_and_sanitizes_conditions + Developer.where("salary = 9000").scoping do + assert_equal developers(:poor_jamis), Developer.where("name = 'Jamis'").first + end + end + + def test_scoped_find_all + Developer.where("name = 'David'").scoping do + assert_equal [developers(:david)], Developer.all + end + end + + def test_scoped_find_select + Developer.select("id, name").scoping do + developer = Developer.where("name = 'David'").first + assert_equal "David", developer.name + assert !developer.has_attribute?(:salary) + end + end + + def test_scope_select_concatenates + Developer.select("id, name").scoping do + developer = Developer.select('salary').where("name = 'David'").first + assert_equal 80000, developer.salary + assert developer.has_attribute?(:id) + assert developer.has_attribute?(:name) + assert developer.has_attribute?(:salary) + end + end + + def test_scoped_count + Developer.where("name = 'David'").scoping do + assert_equal 1, Developer.count + end + + Developer.where('salary = 100000').scoping do + assert_equal 8, Developer.count + assert_equal 1, Developer.where("name LIKE 'fixture_1%'").count + end + end + + def test_scoped_find_include + # with the include, will retrieve only developers for the given project + scoped_developers = Developer.includes(:projects).scoping do + Developer.where('projects.id' => 2).to_a + end + assert scoped_developers.include?(developers(:david)) + assert !scoped_developers.include?(developers(:jamis)) + assert_equal 1, scoped_developers.size + end + + def test_scoped_find_joins + scoped_developers = Developer.joins('JOIN developers_projects ON id = developer_id').scoping do + Developer.where('developers_projects.project_id = 2').to_a + end + + assert scoped_developers.include?(developers(:david)) + assert !scoped_developers.include?(developers(:jamis)) + assert_equal 1, scoped_developers.size + assert_equal developers(:david).attributes, scoped_developers.first.attributes + end + + def test_scoped_create_with_where + new_comment = VerySpecialComment.where(:post_id => 1).scoping do + VerySpecialComment.create :body => "Wonderful world" + end + + assert_equal 1, new_comment.post_id + assert Post.find(1).comments.include?(new_comment) + end + + def test_scoped_create_with_create_with + new_comment = VerySpecialComment.create_with(:post_id => 1).scoping do + VerySpecialComment.create :body => "Wonderful world" + end + + assert_equal 1, new_comment.post_id + assert Post.find(1).comments.include?(new_comment) + end + + def test_scoped_create_with_create_with_has_higher_priority + new_comment = VerySpecialComment.where(:post_id => 2).create_with(:post_id => 1).scoping do + VerySpecialComment.create :body => "Wonderful world" + end + + assert_equal 1, new_comment.post_id + assert Post.find(1).comments.include?(new_comment) + end + + def test_ensure_that_method_scoping_is_correctly_restored + begin + Developer.where("name = 'Jamis'").scoping do + raise "an exception" + end + rescue + end + + assert !Developer.all.where_values.include?("name = 'Jamis'") + end + + def test_default_scope_filters_on_joins + assert_equal 1, DeveloperFilteredOnJoins.all.count + assert_equal DeveloperFilteredOnJoins.all.first, developers(:david).becomes(DeveloperFilteredOnJoins) + end + + def test_update_all_default_scope_filters_on_joins + DeveloperFilteredOnJoins.update_all(:salary => 65000) + assert_equal 65000, Developer.find(developers(:david).id).salary + + # has not changed jamis + assert_not_equal 65000, Developer.find(developers(:jamis).id).salary + end + + def test_delete_all_default_scope_filters_on_joins + assert_not_equal [], DeveloperFilteredOnJoins.all + + DeveloperFilteredOnJoins.delete_all() + + assert_equal [], DeveloperFilteredOnJoins.all + assert_not_equal [], Developer.all + end +end + +class NestedRelationScopingTest < ActiveRecord::TestCase + fixtures :authors, :developers, :projects, :comments, :posts + + def test_merge_options + Developer.where('salary = 80000').scoping do + Developer.limit(10).scoping do + devs = Developer.all + assert_match '(salary = 80000)', devs.to_sql + assert_equal 10, devs.taken + end + end + end + + def test_merge_inner_scope_has_priority + Developer.limit(5).scoping do + Developer.limit(10).scoping do + assert_equal 10, Developer.all.size + end + end + end + + def test_replace_options + Developer.where(:name => 'David').scoping do + Developer.unscoped do + assert_equal 'Jamis', Developer.where(:name => 'Jamis').first[:name] + end + + assert_equal 'David', Developer.first[:name] + end + end + + def test_three_level_nested_exclusive_scoped_find + Developer.where("name = 'Jamis'").scoping do + assert_equal 'Jamis', Developer.first.name + + Developer.unscoped.where("name = 'David'") do + assert_equal 'David', Developer.first.name + + Developer.unscoped.where("name = 'Maiha'") do + assert_equal nil, Developer.first + end + + # ensure that scoping is restored + assert_equal 'David', Developer.first.name + end + + # ensure that scoping is restored + assert_equal 'Jamis', Developer.first.name + end + end + + def test_nested_scoped_create + comment = Comment.create_with(:post_id => 1).scoping do + Comment.create_with(:post_id => 2).scoping do + Comment.create :body => "Hey guys, nested scopes are broken. Please fix!" + end + end + + assert_equal 2, comment.post_id + end + + def test_nested_exclusive_scope_for_create + comment = Comment.create_with(:body => "Hey guys, nested scopes are broken. Please fix!").scoping do + Comment.unscoped.create_with(:post_id => 1).scoping do + assert Comment.new.body.blank? + Comment.create :body => "Hey guys" + end + end + + assert_equal 1, comment.post_id + assert_equal 'Hey guys', comment.body + end +end + +class HasManyScopingTest< ActiveRecord::TestCase + fixtures :comments, :posts, :people, :references + + def setup + @welcome = Post.find(1) + end + + def test_forwarding_of_static_methods + assert_equal 'a comment...', Comment.what_are_you + assert_equal 'a comment...', @welcome.comments.what_are_you + end + + def test_forwarding_to_scoped + assert_equal 4, Comment.search_by_type('Comment').size + assert_equal 2, @welcome.comments.search_by_type('Comment').size + end + + def test_nested_scope_finder + Comment.where('1=0').scoping do + assert_equal 0, @welcome.comments.count + assert_equal 'a comment...', @welcome.comments.what_are_you + end + + Comment.where('1=1').scoping do + assert_equal 2, @welcome.comments.count + assert_equal 'a comment...', @welcome.comments.what_are_you + end + end + + def test_should_maintain_default_scope_on_associations + magician = BadReference.find(1) + assert_equal [magician], people(:michael).bad_references + end + + def test_should_default_scope_on_associations_is_overridden_by_association_conditions + reference = references(:michael_unicyclist).becomes(BadReference) + assert_equal [reference], people(:michael).fixed_bad_references + end + + def test_should_maintain_default_scope_on_eager_loaded_associations + michael = Person.where(:id => people(:michael).id).includes(:bad_references).first + magician = BadReference.find(1) + assert_equal [magician], michael.bad_references + end +end + +class HasAndBelongsToManyScopingTest< ActiveRecord::TestCase + fixtures :posts, :categories, :categories_posts + + def setup + @welcome = Post.find(1) + end + + def test_forwarding_of_static_methods + assert_equal 'a category...', Category.what_are_you + assert_equal 'a category...', @welcome.categories.what_are_you + end + + def test_nested_scope_finder + Category.where('1=0').scoping do + assert_equal 0, @welcome.categories.count + assert_equal 'a category...', @welcome.categories.what_are_you + end + + Category.where('1=1').scoping do + assert_equal 2, @welcome.categories.count + assert_equal 'a category...', @welcome.categories.what_are_you + end + end +end |
