/activerecord/test/cases/associations/has_and_belongs_to_many_associations_test.rb
Ruby | 824 lines | 661 code | 147 blank | 16 comment | 1 complexity | 12f6d17bbeb400907c6a1283fe3ca504 MD5 | raw file
- require "cases/helper"
- require 'models/developer'
- require 'models/project'
- require 'models/company'
- require 'models/customer'
- require 'models/order'
- require 'models/categorization'
- require 'models/category'
- require 'models/post'
- require 'models/author'
- require 'models/tag'
- require 'models/tagging'
- require 'models/parrot'
- require 'models/pirate'
- require 'models/treasure'
- require 'models/price_estimate'
- require 'models/club'
- require 'models/member'
- require 'models/membership'
- require 'models/sponsor'
- require 'models/country'
- require 'models/treaty'
- require 'active_support/core_ext/string/conversions'
- class ProjectWithAfterCreateHook < ActiveRecord::Base
- set_table_name 'projects'
- has_and_belongs_to_many :developers,
- :class_name => "DeveloperForProjectWithAfterCreateHook",
- :join_table => "developers_projects",
- :foreign_key => "project_id",
- :association_foreign_key => "developer_id"
- after_create :add_david
- def add_david
- david = DeveloperForProjectWithAfterCreateHook.find_by_name('David')
- david.projects << self
- end
- end
- class DeveloperForProjectWithAfterCreateHook < ActiveRecord::Base
- set_table_name 'developers'
- has_and_belongs_to_many :projects,
- :class_name => "ProjectWithAfterCreateHook",
- :join_table => "developers_projects",
- :association_foreign_key => "project_id",
- :foreign_key => "developer_id"
- end
- class ProjectWithSymbolsForKeys < ActiveRecord::Base
- set_table_name 'projects'
- has_and_belongs_to_many :developers,
- :class_name => "DeveloperWithSymbolsForKeys",
- :join_table => :developers_projects,
- :foreign_key => :project_id,
- :association_foreign_key => "developer_id"
- end
- class DeveloperWithSymbolsForKeys < ActiveRecord::Base
- set_table_name 'developers'
- has_and_belongs_to_many :projects,
- :class_name => "ProjectWithSymbolsForKeys",
- :join_table => :developers_projects,
- :association_foreign_key => :project_id,
- :foreign_key => "developer_id"
- end
- class DeveloperWithCounterSQL < ActiveRecord::Base
- set_table_name 'developers'
- has_and_belongs_to_many :projects,
- :class_name => "DeveloperWithCounterSQL",
- :join_table => "developers_projects",
- :association_foreign_key => "project_id",
- :foreign_key => "developer_id",
- :counter_sql => proc { "SELECT COUNT(*) AS count_all FROM projects INNER JOIN developers_projects ON projects.id = developers_projects.project_id WHERE developers_projects.developer_id =#{id}" }
- end
- class HasAndBelongsToManyAssociationsTest < ActiveRecord::TestCase
- fixtures :accounts, :companies, :categories, :posts, :categories_posts, :developers, :projects, :developers_projects,
- :parrots, :pirates, :treasures, :price_estimates, :tags, :taggings
- def setup_data_for_habtm_case
- ActiveRecord::Base.connection.execute('delete from countries_treaties')
- country = Country.new(:name => 'India')
- country.country_id = 'c1'
- country.save!
- treaty = Treaty.new(:name => 'peace')
- treaty.treaty_id = 't1'
- country.treaties << treaty
- end
- def test_should_property_quote_string_primary_keys
- setup_data_for_habtm_case
- con = ActiveRecord::Base.connection
- sql = 'select * from countries_treaties'
- record = con.select_rows(sql).last
- assert_equal 'c1', record[0]
- assert_equal 't1', record[1]
- end
- def test_proper_usage_of_primary_keys_and_join_table
- setup_data_for_habtm_case
- assert_equal 'country_id', Country.primary_key
- assert_equal 'treaty_id', Treaty.primary_key
- country = Country.first
- assert_equal 1, country.treaties.count
- end
- def test_has_and_belongs_to_many
- david = Developer.find(1)
- assert !david.projects.empty?
- assert_equal 2, david.projects.size
- active_record = Project.find(1)
- assert !active_record.developers.empty?
- assert_equal 3, active_record.developers.size
- assert active_record.developers.include?(david)
- end
- def test_triple_equality
- assert !(Array === Developer.find(1).projects)
- assert Developer.find(1).projects === Array
- end
- def test_adding_single
- jamis = Developer.find(2)
- jamis.projects.reload # causing the collection to load
- action_controller = Project.find(2)
- assert_equal 1, jamis.projects.size
- assert_equal 1, action_controller.developers.size
- jamis.projects << action_controller
- assert_equal 2, jamis.projects.size
- assert_equal 2, jamis.projects(true).size
- assert_equal 2, action_controller.developers(true).size
- end
- def test_adding_type_mismatch
- jamis = Developer.find(2)
- assert_raise(ActiveRecord::AssociationTypeMismatch) { jamis.projects << nil }
- assert_raise(ActiveRecord::AssociationTypeMismatch) { jamis.projects << 1 }
- end
- def test_adding_from_the_project
- jamis = Developer.find(2)
- action_controller = Project.find(2)
- action_controller.developers.reload
- assert_equal 1, jamis.projects.size
- assert_equal 1, action_controller.developers.size
- action_controller.developers << jamis
- assert_equal 2, jamis.projects(true).size
- assert_equal 2, action_controller.developers.size
- assert_equal 2, action_controller.developers(true).size
- end
- def test_adding_from_the_project_fixed_timestamp
- jamis = Developer.find(2)
- action_controller = Project.find(2)
- action_controller.developers.reload
- assert_equal 1, jamis.projects.size
- assert_equal 1, action_controller.developers.size
- updated_at = jamis.updated_at
- action_controller.developers << jamis
- assert_equal updated_at, jamis.updated_at
- assert_equal 2, jamis.projects(true).size
- assert_equal 2, action_controller.developers.size
- assert_equal 2, action_controller.developers(true).size
- end
- def test_adding_multiple
- aredridel = Developer.new("name" => "Aredridel")
- aredridel.save
- aredridel.projects.reload
- aredridel.projects.push(Project.find(1), Project.find(2))
- assert_equal 2, aredridel.projects.size
- assert_equal 2, aredridel.projects(true).size
- end
- def test_adding_a_collection
- aredridel = Developer.new("name" => "Aredridel")
- aredridel.save
- aredridel.projects.reload
- aredridel.projects.concat([Project.find(1), Project.find(2)])
- assert_equal 2, aredridel.projects.size
- assert_equal 2, aredridel.projects(true).size
- end
- def test_habtm_adding_before_save
- no_of_devels = Developer.count
- no_of_projects = Project.count
- aredridel = Developer.new("name" => "Aredridel")
- aredridel.projects.concat([Project.find(1), p = Project.new("name" => "Projekt")])
- assert !aredridel.persisted?
- assert !p.persisted?
- assert aredridel.save
- assert aredridel.persisted?
- assert_equal no_of_devels+1, Developer.count
- assert_equal no_of_projects+1, Project.count
- assert_equal 2, aredridel.projects.size
- assert_equal 2, aredridel.projects(true).size
- end
- def test_habtm_saving_multiple_relationships
- new_project = Project.new("name" => "Grimetime")
- amount_of_developers = 4
- developers = (0...amount_of_developers).collect {|i| Developer.create(:name => "JME #{i}") }.reverse
- new_project.developer_ids = [developers[0].id, developers[1].id]
- new_project.developers_with_callback_ids = [developers[2].id, developers[3].id]
- assert new_project.save
- new_project.reload
- assert_equal amount_of_developers, new_project.developers.size
- assert_equal developers, new_project.developers
- end
- def test_habtm_unique_order_preserved
- assert_equal developers(:poor_jamis, :jamis, :david), projects(:active_record).non_unique_developers
- assert_equal developers(:poor_jamis, :jamis, :david), projects(:active_record).developers
- end
- def test_build
- devel = Developer.find(1)
- proj = assert_no_queries { devel.projects.build("name" => "Projekt") }
- assert !devel.projects.loaded?
- assert_equal devel.projects.last, proj
- assert devel.projects.loaded?
- assert !proj.persisted?
- devel.save
- assert proj.persisted?
- assert_equal devel.projects.last, proj
- assert_equal Developer.find(1).projects.sort_by(&:id).last, proj # prove join table is updated
- end
- def test_new_aliased_to_build
- devel = Developer.find(1)
- proj = assert_no_queries { devel.projects.new("name" => "Projekt") }
- assert !devel.projects.loaded?
- assert_equal devel.projects.last, proj
- assert devel.projects.loaded?
- assert !proj.persisted?
- devel.save
- assert proj.persisted?
- assert_equal devel.projects.last, proj
- assert_equal Developer.find(1).projects.sort_by(&:id).last, proj # prove join table is updated
- end
- def test_build_by_new_record
- devel = Developer.new(:name => "Marcel", :salary => 75000)
- devel.projects.build(:name => "Make bed")
- proj2 = devel.projects.build(:name => "Lie in it")
- assert_equal devel.projects.last, proj2
- assert !proj2.persisted?
- devel.save
- assert devel.persisted?
- assert proj2.persisted?
- assert_equal devel.projects.last, proj2
- assert_equal Developer.find_by_name("Marcel").projects.last, proj2 # prove join table is updated
- end
- def test_create
- devel = Developer.find(1)
- proj = devel.projects.create("name" => "Projekt")
- assert !devel.projects.loaded?
- assert_equal devel.projects.last, proj
- assert !devel.projects.loaded?
- assert proj.persisted?
- assert_equal Developer.find(1).projects.sort_by(&:id).last, proj # prove join table is updated
- end
- def test_create_by_new_record
- devel = Developer.new(:name => "Marcel", :salary => 75000)
- devel.projects.build(:name => "Make bed")
- proj2 = devel.projects.build(:name => "Lie in it")
- assert_equal devel.projects.last, proj2
- assert !proj2.persisted?
- devel.save
- assert devel.persisted?
- assert proj2.persisted?
- assert_equal devel.projects.last, proj2
- assert_equal Developer.find_by_name("Marcel").projects.last, proj2 # prove join table is updated
- end
- def test_creation_respects_hash_condition
- # in Oracle '' is saved as null therefore need to save ' ' in not null column
- post = categories(:general).post_with_conditions.build(:body => ' ')
- assert post.save
- assert_equal 'Yet Another Testing Title', post.title
- # in Oracle '' is saved as null therefore need to save ' ' in not null column
- another_post = categories(:general).post_with_conditions.create(:body => ' ')
- assert another_post.persisted?
- assert_equal 'Yet Another Testing Title', another_post.title
- end
- def test_uniq_after_the_fact
- dev = developers(:jamis)
- dev.projects << projects(:active_record)
- dev.projects << projects(:active_record)
- assert_equal 3, dev.projects.size
- assert_equal 1, dev.projects.uniq.size
- end
- def test_uniq_before_the_fact
- projects(:active_record).developers << developers(:jamis)
- projects(:active_record).developers << developers(:david)
- assert_equal 3, projects(:active_record, :reload).developers.size
- end
- def test_uniq_option_prevents_duplicate_push
- project = projects(:active_record)
- project.developers << developers(:jamis)
- project.developers << developers(:david)
- assert_equal 3, project.developers.size
- project.developers << developers(:david)
- project.developers << developers(:jamis)
- assert_equal 3, project.developers.size
- end
- def test_deleting
- david = Developer.find(1)
- active_record = Project.find(1)
- david.projects.reload
- assert_equal 2, david.projects.size
- assert_equal 3, active_record.developers.size
- david.projects.delete(active_record)
- assert_equal 1, david.projects.size
- assert_equal 1, david.projects(true).size
- assert_equal 2, active_record.developers(true).size
- end
- def test_deleting_array
- david = Developer.find(1)
- david.projects.reload
- david.projects.delete(Project.find(:all))
- assert_equal 0, david.projects.size
- assert_equal 0, david.projects(true).size
- end
- def test_deleting_with_sql
- david = Developer.find(1)
- active_record = Project.find(1)
- active_record.developers.reload
- assert_equal 3, active_record.developers_by_sql.size
- active_record.developers_by_sql.delete(david)
- assert_equal 2, active_record.developers_by_sql(true).size
- end
- def test_deleting_array_with_sql
- active_record = Project.find(1)
- active_record.developers.reload
- assert_equal 3, active_record.developers_by_sql.size
- active_record.developers_by_sql.delete(Developer.find(:all))
- assert_equal 0, active_record.developers_by_sql(true).size
- end
- def test_deleting_all
- david = Developer.find(1)
- david.projects.reload
- david.projects.clear
- assert_equal 0, david.projects.size
- assert_equal 0, david.projects(true).size
- end
- def test_removing_associations_on_destroy
- david = DeveloperWithBeforeDestroyRaise.find(1)
- assert !david.projects.empty?
- david.destroy
- assert david.projects.empty?
- assert DeveloperWithBeforeDestroyRaise.connection.select_all("SELECT * FROM developers_projects WHERE developer_id = 1").empty?
- end
- def test_destroying
- david = Developer.find(1)
- project = Project.find(1)
- david.projects.reload
- assert_equal 2, david.projects.size
- assert_equal 3, project.developers.size
- assert_no_difference "Project.count" do
- david.projects.destroy(project)
- end
- join_records = Developer.connection.select_all("SELECT * FROM developers_projects WHERE developer_id = #{david.id} AND project_id = #{project.id}")
- assert join_records.empty?
- assert_equal 1, david.reload.projects.size
- assert_equal 1, david.projects(true).size
- end
- def test_destroying_many
- david = Developer.find(1)
- david.projects.reload
- projects = Project.all
- assert_no_difference "Project.count" do
- david.projects.destroy(*projects)
- end
- join_records = Developer.connection.select_all("SELECT * FROM developers_projects WHERE developer_id = #{david.id}")
- assert join_records.empty?
- assert_equal 0, david.reload.projects.size
- assert_equal 0, david.projects(true).size
- end
- def test_destroy_all
- david = Developer.find(1)
- david.projects.reload
- assert !david.projects.empty?
- assert_no_difference "Project.count" do
- david.projects.destroy_all
- end
- join_records = Developer.connection.select_all("SELECT * FROM developers_projects WHERE developer_id = #{david.id}")
- assert join_records.empty?
- assert david.projects.empty?
- assert david.projects(true).empty?
- end
- def test_deprecated_push_with_attributes_was_removed
- jamis = developers(:jamis)
- assert_raise(NoMethodError) do
- jamis.projects.push_with_attributes(projects(:action_controller), :joined_on => Date.today)
- end
- end
- def test_associations_with_conditions
- assert_equal 3, projects(:active_record).developers.size
- assert_equal 1, projects(:active_record).developers_named_david.size
- assert_equal 1, projects(:active_record).developers_named_david_with_hash_conditions.size
- assert_equal developers(:david), projects(:active_record).developers_named_david.find(developers(:david).id)
- assert_equal developers(:david), projects(:active_record).developers_named_david_with_hash_conditions.find(developers(:david).id)
- assert_equal developers(:david), projects(:active_record).salaried_developers.find(developers(:david).id)
- projects(:active_record).developers_named_david.clear
- assert_equal 2, projects(:active_record, :reload).developers.size
- end
- def test_find_in_association
- # Using sql
- assert_equal developers(:david), projects(:active_record).developers.find(developers(:david).id), "SQL find"
- # Using ruby
- active_record = projects(:active_record)
- active_record.developers.reload
- assert_equal developers(:david), active_record.developers.find(developers(:david).id), "Ruby find"
- end
- def test_include_uses_array_include_after_loaded
- project = projects(:active_record)
- project.developers.class # force load target
- developer = project.developers.first
- assert_no_queries do
- assert project.developers.loaded?
- assert project.developers.include?(developer)
- end
- end
- def test_include_checks_if_record_exists_if_target_not_loaded
- project = projects(:active_record)
- developer = project.developers.first
- project.reload
- assert ! project.developers.loaded?
- assert_queries(1) do
- assert project.developers.include?(developer)
- end
- assert ! project.developers.loaded?
- end
- def test_include_returns_false_for_non_matching_record_to_verify_scoping
- project = projects(:active_record)
- developer = Developer.create :name => "Bryan", :salary => 50_000
- assert ! project.developers.loaded?
- assert ! project.developers.include?(developer)
- end
- def test_find_in_association_with_custom_finder_sql
- assert_equal developers(:david), projects(:active_record).developers_with_finder_sql.find(developers(:david).id), "SQL find"
- active_record = projects(:active_record)
- active_record.developers_with_finder_sql.reload
- assert_equal developers(:david), active_record.developers_with_finder_sql.find(developers(:david).id), "Ruby find"
- end
- def test_find_in_association_with_custom_finder_sql_and_multiple_interpolations
- # interpolate once:
- assert_equal [developers(:david), developers(:jamis), developers(:poor_jamis)], projects(:active_record).developers_with_finder_sql, "first interpolation"
- # interpolate again, for a different project id
- assert_equal [developers(:david)], projects(:action_controller).developers_with_finder_sql, "second interpolation"
- end
- def test_find_in_association_with_custom_finder_sql_and_string_id
- assert_equal developers(:david), projects(:active_record).developers_with_finder_sql.find(developers(:david).id.to_s), "SQL find"
- end
- def test_find_with_merged_options
- assert_equal 1, projects(:active_record).limited_developers.size
- assert_equal 1, projects(:active_record).limited_developers.find(:all).size
- assert_equal 3, projects(:active_record).limited_developers.find(:all, :limit => nil).size
- end
- def test_dynamic_find_should_respect_association_order
- # Developers are ordered 'name DESC, id DESC'
- high_id_jamis = projects(:active_record).developers.create(:name => 'Jamis')
- assert_equal high_id_jamis, projects(:active_record).developers.find(:first, :conditions => "name = 'Jamis'")
- assert_equal high_id_jamis, projects(:active_record).developers.find_by_name('Jamis')
- end
- def test_dynamic_find_all_should_respect_association_order
- # Developers are ordered 'name DESC, id DESC'
- low_id_jamis = developers(:jamis)
- middle_id_jamis = developers(:poor_jamis)
- high_id_jamis = projects(:active_record).developers.create(:name => 'Jamis')
- assert_equal [high_id_jamis, middle_id_jamis, low_id_jamis], projects(:active_record).developers.find(:all, :conditions => "name = 'Jamis'")
- assert_equal [high_id_jamis, middle_id_jamis, low_id_jamis], projects(:active_record).developers.find_all_by_name('Jamis')
- end
- def test_find_should_append_to_association_order
- ordered_developers = projects(:active_record).developers.order('projects.id')
- assert_equal ['developers.name desc, developers.id desc', 'projects.id'], ordered_developers.order_values
- end
- def test_dynamic_find_all_should_respect_association_limit
- assert_equal 1, projects(:active_record).limited_developers.find(:all, :conditions => "name = 'Jamis'").length
- assert_equal 1, projects(:active_record).limited_developers.find_all_by_name('Jamis').length
- end
- def test_dynamic_find_all_order_should_override_association_limit
- assert_equal 2, projects(:active_record).limited_developers.find(:all, :conditions => "name = 'Jamis'", :limit => 9_000).length
- assert_equal 2, projects(:active_record).limited_developers.find_all_by_name('Jamis', :limit => 9_000).length
- end
- def test_dynamic_find_all_should_respect_readonly_access
- projects(:active_record).readonly_developers.each { |d| assert_raise(ActiveRecord::ReadOnlyRecord) { d.save! } if d.valid?}
- projects(:active_record).readonly_developers.each { |d| d.readonly? }
- end
- def test_new_with_values_in_collection
- jamis = DeveloperForProjectWithAfterCreateHook.find_by_name('Jamis')
- david = DeveloperForProjectWithAfterCreateHook.find_by_name('David')
- project = ProjectWithAfterCreateHook.new(:name => "Cooking with Bertie")
- project.developers << jamis
- project.save!
- project.reload
- assert project.developers.include?(jamis)
- assert project.developers.include?(david)
- end
- def test_find_in_association_with_options
- developers = projects(:active_record).developers.all
- assert_equal 3, developers.size
- assert_equal developers(:poor_jamis), projects(:active_record).developers.where("salary < 10000").first
- end
- def test_replace_with_less
- david = developers(:david)
- david.projects = [projects(:action_controller)]
- assert david.save
- assert_equal 1, david.projects.length
- end
- def test_replace_with_new
- david = developers(:david)
- david.projects = [projects(:action_controller), Project.new("name" => "ActionWebSearch")]
- david.save
- assert_equal 2, david.projects.length
- assert !david.projects.include?(projects(:active_record))
- end
- def test_replace_on_new_object
- new_developer = Developer.new("name" => "Matz")
- new_developer.projects = [projects(:action_controller), Project.new("name" => "ActionWebSearch")]
- new_developer.save
- assert_equal 2, new_developer.projects.length
- end
- def test_consider_type
- developer = Developer.find(:first)
- special_project = SpecialProject.create("name" => "Special Project")
- other_project = developer.projects.first
- developer.special_projects << special_project
- developer.reload
- assert developer.projects.include?(special_project)
- assert developer.special_projects.include?(special_project)
- assert !developer.special_projects.include?(other_project)
- end
- def test_update_attributes_after_push_without_duplicate_join_table_rows
- developer = Developer.new("name" => "Kano")
- project = SpecialProject.create("name" => "Special Project")
- assert developer.save
- developer.projects << project
- developer.update_column("name", "Bruza")
- assert_equal 1, Developer.connection.select_value(<<-end_sql).to_i
- SELECT count(*) FROM developers_projects
- WHERE project_id = #{project.id}
- AND developer_id = #{developer.id}
- end_sql
- end
- def test_updating_attributes_on_non_rich_associations
- welcome = categories(:technology).posts.first
- welcome.title = "Something else"
- assert welcome.save!
- end
- def test_habtm_respects_select
- categories(:technology).select_testing_posts(true).each do |o|
- assert_respond_to o, :correctness_marker
- end
- assert_respond_to categories(:technology).select_testing_posts.find(:first), :correctness_marker
- end
- def test_join_table_alias
- assert_equal 3, Developer.find(:all, :include => {:projects => :developers}, :conditions => 'developers_projects_join.joined_on IS NOT NULL').size
- end
- def test_join_with_group
- group = Developer.columns.inject([]) do |g, c|
- g << "developers.#{c.name}"
- g << "developers_projects_2.#{c.name}"
- end
- Project.columns.each { |c| group << "projects.#{c.name}" }
- assert_equal 3, Developer.find(:all, :include => {:projects => :developers}, :conditions => 'developers_projects_join.joined_on IS NOT NULL', :group => group.join(",")).size
- end
- def test_find_grouped
- all_posts_from_category1 = Post.find(:all, :conditions => "category_id = 1", :joins => :categories)
- grouped_posts_of_category1 = Post.find(:all, :conditions => "category_id = 1", :group => "author_id", :select => 'count(posts.id) as posts_count', :joins => :categories)
- assert_equal 5, all_posts_from_category1.size
- assert_equal 2, grouped_posts_of_category1.size
- end
- def test_find_scoped_grouped
- assert_equal 5, categories(:general).posts_grouped_by_title.size
- assert_equal 1, categories(:technology).posts_grouped_by_title.size
- end
- def test_find_scoped_grouped_having
- assert_equal 2, projects(:active_record).well_payed_salary_groups.size
- assert projects(:active_record).well_payed_salary_groups.all? { |g| g.salary > 10000 }
- end
- def test_get_ids
- assert_equal projects(:active_record, :action_controller).map(&:id).sort, developers(:david).project_ids.sort
- assert_equal [projects(:active_record).id], developers(:jamis).project_ids
- end
- def test_get_ids_for_loaded_associations
- developer = developers(:david)
- developer.projects(true)
- assert_queries(0) do
- developer.project_ids
- developer.project_ids
- end
- end
- def test_get_ids_for_unloaded_associations_does_not_load_them
- developer = developers(:david)
- assert !developer.projects.loaded?
- assert_equal projects(:active_record, :action_controller).map(&:id).sort, developer.project_ids.sort
- assert !developer.projects.loaded?
- end
- def test_assign_ids
- developer = Developer.new("name" => "Joe")
- developer.project_ids = projects(:active_record, :action_controller).map(&:id)
- developer.save
- developer.reload
- assert_equal 2, developer.projects.length
- assert_equal [projects(:active_record), projects(:action_controller)].map(&:id).sort, developer.project_ids.sort
- end
- def test_assign_ids_ignoring_blanks
- developer = Developer.new("name" => "Joe")
- developer.project_ids = [projects(:active_record).id, nil, projects(:action_controller).id, '']
- developer.save
- developer.reload
- assert_equal 2, developer.projects.length
- assert_equal [projects(:active_record), projects(:action_controller)].map(&:id).sort, developer.project_ids.sort
- end
- def test_scoped_find_on_through_association_doesnt_return_read_only_records
- tag = Post.find(1).tags.find_by_name("General")
- assert_nothing_raised do
- tag.save!
- end
- end
- def test_has_many_through_polymorphic_has_manys_works
- assert_equal [10, 20].to_set, pirates(:redbeard).treasure_estimates.map(&:price).to_set
- end
- def test_symbols_as_keys
- developer = DeveloperWithSymbolsForKeys.new(:name => 'David')
- project = ProjectWithSymbolsForKeys.new(:name => 'Rails Testing')
- project.developers << developer
- project.save!
- assert_equal 1, project.developers.size
- assert_equal 1, developer.projects.size
- assert_equal developer, project.developers.find(:first)
- assert_equal project, developer.projects.find(:first)
- end
- def test_self_referential_habtm_without_foreign_key_set_should_raise_exception
- assert_raise(ActiveRecord::HasAndBelongsToManyAssociationForeignKeyNeeded) {
- Member.class_eval do
- has_and_belongs_to_many :friends, :class_name => "Member", :join_table => "member_friends"
- end
- }
- end
- def test_dynamic_find_should_respect_association_include
- # SQL error in sort clause if :include is not included
- # due to Unknown column 'authors.id'
- assert Category.find(1).posts_with_authors_sorted_by_author_id.find_by_title('Welcome to the weblog')
- end
- def test_counting_on_habtm_association_and_not_array
- david = Developer.find(1)
- # Extra parameter just to make sure we aren't falling back to
- # Array#count in Ruby >=1.8.7, which would raise an ArgumentError
- assert_nothing_raised { david.projects.count(:all, :conditions => '1=1') }
- end
- def test_count
- david = Developer.find(1)
- assert_equal 2, david.projects.count
- end
- def test_count_with_counter_sql
- developer = DeveloperWithCounterSQL.create(:name => 'tekin')
- developer.project_ids = [projects(:active_record).id]
- developer.save
- developer.reload
- assert_equal 1, developer.projects.count
- end
- unless current_adapter?(:PostgreSQLAdapter)
- def test_count_with_finder_sql
- assert_equal 3, projects(:active_record).developers_with_finder_sql.count
- assert_equal 3, projects(:active_record).developers_with_multiline_finder_sql.count
- end
- end
- def test_association_proxy_transaction_method_starts_transaction_in_association_class
- Post.expects(:transaction)
- Category.find(:first).posts.transaction do
- # nothing
- end
- end
- def test_caching_of_columns
- david = Developer.find(1)
- # clear cache possibly created by other tests
- david.projects.reset_column_information
- # One query for columns, one for primary key
- assert_queries(2) { david.projects.columns; david.projects.columns }
- ## and again to verify that reset_column_information clears the cache correctly
- david.projects.reset_column_information
- assert_queries(2) { david.projects.columns; david.projects.columns }
- end
- def test_attributes_are_being_set_when_initialized_from_habm_association_with_where_clause
- new_developer = projects(:action_controller).developers.where(:name => "Marcelo").build
- assert_equal new_developer.name, "Marcelo"
- end
- def test_attributes_are_being_set_when_initialized_from_habm_association_with_multiple_where_clauses
- new_developer = projects(:action_controller).developers.where(:name => "Marcelo").where(:salary => 90_000).build
- assert_equal new_developer.name, "Marcelo"
- assert_equal new_developer.salary, 90_000
- end
- def test_include_method_in_has_and_belongs_to_many_association_should_return_true_for_instance_added_with_build
- project = Project.new
- developer = project.developers.build
- assert project.developers.include?(developer)
- end
- end