require "cases/helper" require 'models/author' require 'models/developer' require 'models/project' require 'models/comment' require 'models/post' require 'models/category' class MethodScopingTest < ActiveRecord::TestCase fixtures :authors, :developers, :projects, :comments, :posts, :developers_projects def test_set_conditions Developer.with_scope(:find => { :conditions => 'just a test...' }) do assert_equal 'just a test...', Developer.send(:current_scoped_methods)[:find][:conditions] end end def test_scoped_find Developer.with_scope(:find => { :conditions => "name = 'David'" }) do assert_nothing_raised { Developer.find(1) } end end def test_scoped_find_first Developer.with_scope(:find => { :conditions => "salary = 100000" }) do assert_equal Developer.find(10), Developer.find(:first, :order => 'name') end end def test_scoped_find_last highest_salary = Developer.find(:first, :order => "salary DESC") Developer.with_scope(:find => { :order => "salary" }) do assert_equal highest_salary, Developer.last end end def test_scoped_find_last_preserves_scope lowest_salary = Developer.find(:first, :order => "salary ASC") highest_salary = Developer.find(:first, :order => "salary DESC") Developer.with_scope(:find => { :order => "salary" }) do assert_equal highest_salary, Developer.last assert_equal lowest_salary, Developer.first end end def test_scoped_find_combines_conditions Developer.with_scope(:find => { :conditions => "salary = 9000" }) do assert_equal developers(:poor_jamis), Developer.find(:first, :conditions => "name = 'Jamis'") end end def test_scoped_find_sanitizes_conditions Developer.with_scope(:find => { :conditions => ['salary = ?', 9000] }) do assert_equal developers(:poor_jamis), Developer.find(:first) end end def test_scoped_find_combines_and_sanitizes_conditions Developer.with_scope(:find => { :conditions => ['salary = ?', 9000] }) do assert_equal developers(:poor_jamis), Developer.find(:first, :conditions => ['name = ?', 'Jamis']) end end def test_scoped_find_all Developer.with_scope(:find => { :conditions => "name = 'David'" }) do assert_equal [developers(:david)], Developer.find(:all) end end def test_scoped_find_select Developer.with_scope(:find => { :select => "id, name" }) do developer = Developer.find(:first, :conditions => "name = 'David'") assert_equal "David", developer.name assert !developer.has_attribute?(:salary) end end def test_options_select_replaces_scope_select Developer.with_scope(:find => { :select => "id, name" }) do developer = Developer.find(:first, :select => 'id, salary', :conditions => "name = 'David'") assert_equal 80000, developer.salary assert !developer.has_attribute?(:name) end end def test_scoped_count Developer.with_scope(:find => { :conditions => "name = 'David'" }) do assert_equal 1, Developer.count end Developer.with_scope(:find => { :conditions => 'salary = 100000' }) do assert_equal 8, Developer.count assert_equal 1, Developer.count(:conditions => "name LIKE 'fixture_1%'") end end def test_scoped_find_include # with the include, will retrieve only developers for the given project scoped_developers = Developer.with_scope(:find => { :include => :projects }) do Developer.find(:all, :conditions => 'projects.id = 2') 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.with_scope(:find => { :joins => 'JOIN developers_projects ON id = developer_id' } ) do Developer.find(:all, :conditions => 'developers_projects.project_id = 2') 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_find_using_new_style_joins scoped_developers = Developer.with_scope(:find => { :joins => :projects }) do Developer.find(:all, :conditions => 'projects.id = 2') 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_find_merges_old_style_joins scoped_authors = Author.with_scope(:find => { :joins => 'INNER JOIN posts ON authors.id = posts.author_id ' }) do Author.find(:all, :select => 'DISTINCT authors.*', :joins => 'INNER JOIN comments ON posts.id = comments.post_id', :conditions => 'comments.id = 1') end assert scoped_authors.include?(authors(:david)) assert !scoped_authors.include?(authors(:mary)) assert_equal 1, scoped_authors.size assert_equal authors(:david).attributes, scoped_authors.first.attributes end def test_scoped_find_merges_new_style_joins scoped_authors = Author.with_scope(:find => { :joins => :posts }) do Author.find(:all, :select => 'DISTINCT authors.*', :joins => :comments, :conditions => 'comments.id = 1') end assert scoped_authors.include?(authors(:david)) assert !scoped_authors.include?(authors(:mary)) assert_equal 1, scoped_authors.size assert_equal authors(:david).attributes, scoped_authors.first.attributes end def test_scoped_find_merges_new_and_old_style_joins scoped_authors = Author.with_scope(:find => { :joins => :posts }) do Author.find(:all, :select => 'DISTINCT authors.*', :joins => 'JOIN comments ON posts.id = comments.post_id', :conditions => 'comments.id = 1') end assert scoped_authors.include?(authors(:david)) assert !scoped_authors.include?(authors(:mary)) assert_equal 1, scoped_authors.size assert_equal authors(:david).attributes, scoped_authors.first.attributes end def test_scoped_find_merges_string_array_style_and_string_style_joins scoped_authors = Author.with_scope(:find => { :joins => ["INNER JOIN posts ON posts.author_id = authors.id"]}) do Author.find(:all, :select => 'DISTINCT authors.*', :joins => 'INNER JOIN comments ON posts.id = comments.post_id', :conditions => 'comments.id = 1') end assert scoped_authors.include?(authors(:david)) assert !scoped_authors.include?(authors(:mary)) assert_equal 1, scoped_authors.size assert_equal authors(:david).attributes, scoped_authors.first.attributes end def test_scoped_find_merges_string_array_style_and_hash_style_joins scoped_authors = Author.with_scope(:find => { :joins => :posts}) do Author.find(:all, :select => 'DISTINCT authors.*', :joins => ['INNER JOIN comments ON posts.id = comments.post_id'], :conditions => 'comments.id = 1') end assert scoped_authors.include?(authors(:david)) assert !scoped_authors.include?(authors(:mary)) assert_equal 1, scoped_authors.size assert_equal authors(:david).attributes, scoped_authors.first.attributes end def test_scoped_find_merges_joins_and_eliminates_duplicate_string_joins scoped_authors = Author.with_scope(:find => { :joins => 'INNER JOIN posts ON posts.author_id = authors.id'}) do Author.find(:all, :select => 'DISTINCT authors.*', :joins => ["INNER JOIN posts ON posts.author_id = authors.id", "INNER JOIN comments ON posts.id = comments.post_id"], :conditions => 'comments.id = 1') end assert scoped_authors.include?(authors(:david)) assert !scoped_authors.include?(authors(:mary)) assert_equal 1, scoped_authors.size assert_equal authors(:david).attributes, scoped_authors.first.attributes end def test_scoped_count_include # with the include, will retrieve only developers for the given project Developer.with_scope(:find => { :include => :projects }) do assert_equal 1, Developer.count(:conditions => 'projects.id = 2') end end def test_scoped_create new_comment = nil VerySpecialComment.with_scope(:create => { :post_id => 1 }) do assert_equal({ :post_id => 1 }, VerySpecialComment.send(:current_scoped_methods)[:create]) new_comment = VerySpecialComment.create :body => "Wonderful world" end assert Post.find(1).comments.include?(new_comment) end def test_immutable_scope options = { :conditions => "name = 'David'" } Developer.with_scope(:find => options) do assert_equal %w(David), Developer.find(:all).map { |d| d.name } options[:conditions] = "name != 'David'" assert_equal %w(David), Developer.find(:all).map { |d| d.name } end scope = { :find => { :conditions => "name = 'David'" }} Developer.with_scope(scope) do assert_equal %w(David), Developer.find(:all).map { |d| d.name } scope[:find][:conditions] = "name != 'David'" assert_equal %w(David), Developer.find(:all).map { |d| d.name } end end def test_scoped_with_duck_typing scoping = Struct.new(:method_scoping).new(:find => { :conditions => ["name = ?", 'David'] }) Developer.with_scope(scoping) do assert_equal %w(David), Developer.find(:all).map { |d| d.name } end end def test_ensure_that_method_scoping_is_correctly_restored scoped_methods = Developer.instance_eval('current_scoped_methods') begin Developer.with_scope(:find => { :conditions => "name = 'Jamis'" }) do raise "an exception" end rescue end assert_equal scoped_methods, Developer.instance_eval('current_scoped_methods') end end class NestedScopingTest < ActiveRecord::TestCase fixtures :authors, :developers, :projects, :comments, :posts def test_merge_options Developer.with_scope(:find => { :conditions => 'salary = 80000' }) do Developer.with_scope(:find => { :limit => 10 }) do merged_option = Developer.instance_eval('current_scoped_methods')[:find] assert_equal({ :conditions => 'salary = 80000', :limit => 10 }, merged_option) end end end def test_replace_options Developer.with_scope(:find => { :conditions => "name = 'David'" }) do Developer.with_exclusive_scope(:find => { :conditions => "name = 'Jamis'" }) do assert_equal({:find => { :conditions => "name = 'Jamis'" }}, Developer.instance_eval('current_scoped_methods')) assert_equal({:find => { :conditions => "name = 'Jamis'" }}, Developer.send(:scoped_methods)[-1]) end end end def test_append_conditions Developer.with_scope(:find => { :conditions => "name = 'David'" }) do Developer.with_scope(:find => { :conditions => 'salary = 80000' }) do appended_condition = Developer.instance_eval('current_scoped_methods')[:find][:conditions] assert_equal("(name = 'David') AND (salary = 80000)", appended_condition) assert_equal(1, Developer.count) end Developer.with_scope(:find => { :conditions => "name = 'Maiha'" }) do assert_equal(0, Developer.count) end end end def test_merge_and_append_options Developer.with_scope(:find => { :conditions => 'salary = 80000', :limit => 10 }) do Developer.with_scope(:find => { :conditions => "name = 'David'" }) do merged_option = Developer.instance_eval('current_scoped_methods')[:find] assert_equal({ :conditions => "(salary = 80000) AND (name = 'David')", :limit => 10 }, merged_option) end end end def test_nested_scoped_find Developer.with_scope(:find => { :conditions => "name = 'Jamis'" }) do Developer.with_exclusive_scope(:find => { :conditions => "name = 'David'" }) do assert_nothing_raised { Developer.find(1) } assert_equal('David', Developer.find(:first).name) end assert_equal('Jamis', Developer.find(:first).name) end end def test_nested_scoped_find_include Developer.with_scope(:find => { :include => :projects }) do Developer.with_scope(:find => { :conditions => "projects.id = 2" }) do assert_nothing_raised { Developer.find(1) } assert_equal('David', Developer.find(:first).name) end end end def test_nested_scoped_find_merged_include # :include's remain unique and don't "double up" when merging Developer.with_scope(:find => { :include => :projects, :conditions => "projects.id = 2" }) do Developer.with_scope(:find => { :include => :projects }) do assert_equal 1, Developer.instance_eval('current_scoped_methods')[:find][:include].length assert_equal('David', Developer.find(:first).name) end end # the nested scope doesn't remove the first :include Developer.with_scope(:find => { :include => :projects, :conditions => "projects.id = 2" }) do Developer.with_scope(:find => { :include => [] }) do assert_equal 1, Developer.instance_eval('current_scoped_methods')[:find][:include].length assert_equal('David', Developer.find(:first).name) end end # mixing array and symbol include's will merge correctly Developer.with_scope(:find => { :include => [:projects], :conditions => "projects.id = 2" }) do Developer.with_scope(:find => { :include => :projects }) do assert_equal 1, Developer.instance_eval('current_scoped_methods')[:find][:include].length assert_equal('David', Developer.find(:first).name) end end end def test_nested_scoped_find_replace_include Developer.with_scope(:find => { :include => :projects }) do Developer.with_exclusive_scope(:find => { :include => [] }) do assert_equal 0, Developer.instance_eval('current_scoped_methods')[:find][:include].length end end end def test_three_level_nested_exclusive_scoped_find Developer.with_scope(:find => { :conditions => "name = 'Jamis'" }) do assert_equal('Jamis', Developer.find(:first).name) Developer.with_exclusive_scope(:find => { :conditions => "name = 'David'" }) do assert_equal('David', Developer.find(:first).name) Developer.with_exclusive_scope(:find => { :conditions => "name = 'Maiha'" }) do assert_equal(nil, Developer.find(:first)) end # ensure that scoping is restored assert_equal('David', Developer.find(:first).name) end # ensure that scoping is restored assert_equal('Jamis', Developer.find(:first).name) end end def test_merged_scoped_find poor_jamis = developers(:poor_jamis) Developer.with_scope(:find => { :conditions => "salary < 100000" }) do Developer.with_scope(:find => { :offset => 1 }) do assert_equal(poor_jamis, Developer.find(:first, :order => 'id asc')) end end end def test_merged_scoped_find_sanitizes_conditions Developer.with_scope(:find => { :conditions => ["name = ?", 'David'] }) do Developer.with_scope(:find => { :conditions => ['salary = ?', 9000] }) do assert_raise(ActiveRecord::RecordNotFound) { developers(:poor_jamis) } end end end def test_nested_scoped_find_combines_and_sanitizes_conditions Developer.with_scope(:find => { :conditions => ["name = ?", 'David'] }) do Developer.with_exclusive_scope(:find => { :conditions => ['salary = ?', 9000] }) do assert_equal developers(:poor_jamis), Developer.find(:first) assert_equal developers(:poor_jamis), Developer.find(:first, :conditions => ['name = ?', 'Jamis']) end end end def test_merged_scoped_find_combines_and_sanitizes_conditions Developer.with_scope(:find => { :conditions => ["name = ?", 'David'] }) do Developer.with_scope(:find => { :conditions => ['salary > ?', 9000] }) do assert_equal %w(David), Developer.find(:all).map { |d| d.name } end end end def test_merged_scoped_find_on_blank_conditions [nil, " ", [], {}].each do |blank| Developer.with_scope(:find => {:conditions => blank}) do Developer.with_scope(:find => {:conditions => blank}) do assert_nothing_raised { Developer.find(:first) } end end end end def test_merged_scoped_find_on_blank_bind_conditions [ [""], ["",{}] ].each do |blank| Developer.with_scope(:find => {:conditions => blank}) do Developer.with_scope(:find => {:conditions => blank}) do assert_nothing_raised { Developer.find(:first) } end end end end def test_immutable_nested_scope options1 = { :conditions => "name = 'Jamis'" } options2 = { :conditions => "name = 'David'" } Developer.with_scope(:find => options1) do Developer.with_exclusive_scope(:find => options2) do assert_equal %w(David), Developer.find(:all).map { |d| d.name } options1[:conditions] = options2[:conditions] = nil assert_equal %w(David), Developer.find(:all).map { |d| d.name } end end end def test_immutable_merged_scope options1 = { :conditions => "name = 'Jamis'" } options2 = { :conditions => "salary > 10000" } Developer.with_scope(:find => options1) do Developer.with_scope(:find => options2) do assert_equal %w(Jamis), Developer.find(:all).map { |d| d.name } options1[:conditions] = options2[:conditions] = nil assert_equal %w(Jamis), Developer.find(:all).map { |d| d.name } end end end def test_ensure_that_method_scoping_is_correctly_restored Developer.with_scope(:find => { :conditions => "name = 'David'" }) do scoped_methods = Developer.instance_eval('current_scoped_methods') begin Developer.with_scope(:find => { :conditions => "name = 'Maiha'" }) do raise "an exception" end rescue end assert_equal scoped_methods, Developer.instance_eval('current_scoped_methods') end end def test_nested_scoped_find_merges_old_style_joins scoped_authors = Author.with_scope(:find => { :joins => 'INNER JOIN posts ON authors.id = posts.author_id' }) do Author.with_scope(:find => { :joins => 'INNER JOIN comments ON posts.id = comments.post_id' }) do Author.find(:all, :select => 'DISTINCT authors.*', :conditions => 'comments.id = 1') end end assert scoped_authors.include?(authors(:david)) assert !scoped_authors.include?(authors(:mary)) assert_equal 1, scoped_authors.size assert_equal authors(:david).attributes, scoped_authors.first.attributes end def test_nested_scoped_find_merges_new_style_joins scoped_authors = Author.with_scope(:find => { :joins => :posts }) do Author.with_scope(:find => { :joins => :comments }) do Author.find(:all, :select => 'DISTINCT authors.*', :conditions => 'comments.id = 1') end end assert scoped_authors.include?(authors(:david)) assert !scoped_authors.include?(authors(:mary)) assert_equal 1, scoped_authors.size assert_equal authors(:david).attributes, scoped_authors.first.attributes end def test_nested_scoped_find_merges_new_and_old_style_joins scoped_authors = Author.with_scope(:find => { :joins => :posts }) do Author.with_scope(:find => { :joins => 'INNER JOIN comments ON posts.id = comments.post_id' }) do Author.find(:all, :select => 'DISTINCT authors.*', :joins => '', :conditions => 'comments.id = 1') end end assert scoped_authors.include?(authors(:david)) assert !scoped_authors.include?(authors(:mary)) assert_equal 1, scoped_authors.size assert_equal authors(:david).attributes, scoped_authors.first.attributes end end class HasManyScopingTest< ActiveRecord::TestCase fixtures :comments, :posts 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_forwarding_to_dynamic_finders assert_equal 4, Comment.find_all_by_type('Comment').size assert_equal 2, @welcome.comments.find_all_by_type('Comment').size end def test_nested_scope Comment.with_scope(:find => { :conditions => '1=1' }) do assert_equal 'a comment...', @welcome.comments.what_are_you end 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_forwarding_to_dynamic_finders assert_equal 4, Category.find_all_by_type('SpecialCategory').size assert_equal 0, @welcome.categories.find_all_by_type('SpecialCategory').size assert_equal 2, @welcome.categories.find_all_by_type('Category').size end def test_nested_scope Category.with_scope(:find => { :conditions => '1=1' }) do assert_equal 'a comment...', @welcome.comments.what_are_you end end end class DefaultScopingTest < ActiveRecord::TestCase fixtures :developers def test_default_scope expected = Developer.find(:all, :order => 'salary DESC').collect { |dev| dev.salary } received = DeveloperOrderedBySalary.find(:all).collect { |dev| dev.salary } assert_equal expected, received end def test_default_scoping_with_threads scope = [{ :create => {}, :find => { :order => 'salary DESC' } }] 2.times do Thread.new { assert_equal scope, DeveloperOrderedBySalary.send(:scoped_methods) }.join end end def test_default_scoping_with_inheritance scope = [{ :create => {}, :find => { :order => 'salary DESC' } }] # Inherit a class having a default scope and define a new default scope klass = Class.new(DeveloperOrderedBySalary) klass.send :default_scope, {} # Scopes added on children should append to parent scope expected_klass_scope = [{ :create => {}, :find => { :order => 'salary DESC' }}, { :create => {}, :find => {} }] assert_equal expected_klass_scope, klass.send(:scoped_methods) # Parent should still have the original scope assert_equal scope, DeveloperOrderedBySalary.send(:scoped_methods) end def test_method_scope expected = Developer.find(:all, :order => 'name DESC').collect { |dev| dev.salary } received = DeveloperOrderedBySalary.all_ordered_by_name.collect { |dev| dev.salary } assert_equal expected, received end def test_nested_scope expected = Developer.find(:all, :order => 'name DESC').collect { |dev| dev.salary } received = DeveloperOrderedBySalary.with_scope(:find => { :order => 'name DESC'}) do DeveloperOrderedBySalary.find(:all).collect { |dev| dev.salary } end assert_equal expected, received end def test_named_scope expected = Developer.find(:all, :order => 'name DESC').collect { |dev| dev.salary } received = DeveloperOrderedBySalary.by_name.find(:all).collect { |dev| dev.salary } assert_equal expected, received end def test_nested_exclusive_scope expected = Developer.find(:all, :limit => 100).collect { |dev| dev.salary } received = DeveloperOrderedBySalary.with_exclusive_scope(:find => { :limit => 100 }) do DeveloperOrderedBySalary.find(:all).collect { |dev| dev.salary } end assert_equal expected, received end def test_overwriting_default_scope expected = Developer.find(:all, :order => 'salary').collect { |dev| dev.salary } received = DeveloperOrderedBySalary.find(:all, :order => 'salary').collect { |dev| dev.salary } assert_equal expected, received end end =begin # We disabled the scoping for has_one and belongs_to as we can't think of a proper use case class BelongsToScopingTest< ActiveRecord::TestCase fixtures :comments, :posts def setup @greetings = Comment.find(1) end def test_forwarding_of_static_method assert_equal 'a post...', Post.what_are_you assert_equal 'a post...', @greetings.post.what_are_you end def test_forwarding_to_dynamic_finders assert_equal 4, Post.find_all_by_type('Post').size assert_equal 1, @greetings.post.find_all_by_type('Post').size end end class HasOneScopingTest< ActiveRecord::TestCase fixtures :comments, :posts def setup @sti_comments = Post.find(4) end def test_forwarding_of_static_methods assert_equal 'a comment...', Comment.what_are_you assert_equal 'a very special comment...', @sti_comments.very_special_comment.what_are_you end def test_forwarding_to_dynamic_finders assert_equal 1, Comment.find_all_by_type('VerySpecialComment').size assert_equal 1, @sti_comments.very_special_comment.find_all_by_type('VerySpecialComment').size assert_equal 0, @sti_comments.very_special_comment.find_all_by_type('Comment').size end end =end