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434 lines
14 KiB
Ruby
434 lines
14 KiB
Ruby
require "cases/helper"
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require 'models/post'
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require 'models/author'
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require 'models/developer'
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require 'models/project'
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require 'models/comment'
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require 'models/category'
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require 'models/person'
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require 'models/reference'
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class RelationScopingTest < ActiveRecord::TestCase
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fixtures :authors, :developers, :projects, :comments, :posts, :developers_projects
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def test_scoped_find
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Developer.where("name = 'David'").scoping do
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assert_nothing_raised { Developer.find(1) }
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end
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end
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def test_scoped_find_first
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developer = Developer.find(10)
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Developer.where("salary = 100000").scoping do
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assert_equal developer, Developer.order("name").first
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end
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end
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def test_scoped_find_last
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highest_salary = Developer.order("salary DESC").first
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Developer.order("salary").scoping do
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assert_equal highest_salary, Developer.last
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end
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end
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def test_scoped_find_last_preserves_scope
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lowest_salary = Developer.first :order => "salary ASC"
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highest_salary = Developer.first :order => "salary DESC"
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Developer.order("salary").scoping do
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assert_equal highest_salary, Developer.last
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assert_equal lowest_salary, Developer.first
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end
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end
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def test_scoped_find_combines_and_sanitizes_conditions
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Developer.where("salary = 9000").scoping do
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assert_equal developers(:poor_jamis), Developer.where("name = 'Jamis'").first
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end
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end
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def test_scoped_find_all
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Developer.where("name = 'David'").scoping do
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assert_equal [developers(:david)], Developer.all
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end
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end
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def test_scoped_find_select
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Developer.select("id, name").scoping do
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developer = Developer.where("name = 'David'").first
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assert_equal "David", developer.name
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assert !developer.has_attribute?(:salary)
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end
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end
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def test_scope_select_concatenates
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Developer.select("id, name").scoping do
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developer = Developer.select('id, salary').where("name = 'David'").first
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assert_equal 80000, developer.salary
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assert developer.has_attribute?(:id)
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assert developer.has_attribute?(:name)
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assert developer.has_attribute?(:salary)
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end
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end
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def test_scoped_count
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Developer.where("name = 'David'").scoping do
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assert_equal 1, Developer.count
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end
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Developer.where('salary = 100000').scoping do
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assert_equal 8, Developer.count
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assert_equal 1, Developer.where("name LIKE 'fixture_1%'").count
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end
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end
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def test_scoped_find_include
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# with the include, will retrieve only developers for the given project
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scoped_developers = Developer.includes(:projects).scoping do
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Developer.where('projects.id = 2').all
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end
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assert scoped_developers.include?(developers(:david))
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assert !scoped_developers.include?(developers(:jamis))
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assert_equal 1, scoped_developers.size
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end
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def test_scoped_find_joins
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scoped_developers = Developer.joins('JOIN developers_projects ON id = developer_id').scoping do
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Developer.where('developers_projects.project_id = 2').all
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end
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assert scoped_developers.include?(developers(:david))
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assert !scoped_developers.include?(developers(:jamis))
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assert_equal 1, scoped_developers.size
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assert_equal developers(:david).attributes, scoped_developers.first.attributes
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end
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def test_scoped_create_with_where
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new_comment = VerySpecialComment.where(:post_id => 1).scoping do
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VerySpecialComment.create :body => "Wonderful world"
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end
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assert_equal 1, new_comment.post_id
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assert Post.find(1).comments.include?(new_comment)
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end
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def test_scoped_create_with_create_with
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new_comment = VerySpecialComment.create_with(:post_id => 1).scoping do
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VerySpecialComment.create :body => "Wonderful world"
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end
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assert_equal 1, new_comment.post_id
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assert Post.find(1).comments.include?(new_comment)
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end
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def test_scoped_create_with_create_with_has_higher_priority
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new_comment = VerySpecialComment.where(:post_id => 2).create_with(:post_id => 1).scoping do
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VerySpecialComment.create :body => "Wonderful world"
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end
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assert_equal 1, new_comment.post_id
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assert Post.find(1).comments.include?(new_comment)
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end
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def test_ensure_that_method_scoping_is_correctly_restored
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scoped_methods = Developer.send(:current_scoped_methods)
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begin
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Developer.where("name = 'Jamis'").scoping do
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raise "an exception"
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end
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rescue
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end
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assert_equal scoped_methods, Developer.send(:current_scoped_methods)
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end
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end
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class NestedRelationScopingTest < ActiveRecord::TestCase
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fixtures :authors, :developers, :projects, :comments, :posts
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def test_merge_options
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Developer.where('salary = 80000').scoping do
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Developer.limit(10).scoping do
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devs = Developer.scoped
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assert_equal '(salary = 80000)', devs.arel.send(:where_clauses).join(' AND ')
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assert_equal 10, devs.taken
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end
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end
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end
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def test_merge_inner_scope_has_priority
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Developer.limit(5).scoping do
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Developer.limit(10).scoping do
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assert_equal 10, Developer.all.size
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end
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end
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end
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def test_replace_options
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Developer.where(:name => 'David').scoping do
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Developer.unscoped do
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assert_equal 'Jamis', Developer.where(:name => 'Jamis').first[:name]
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end
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assert_equal 'David', Developer.first[:name]
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end
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end
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def test_three_level_nested_exclusive_scoped_find
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Developer.where("name = 'Jamis'").scoping do
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assert_equal 'Jamis', Developer.first.name
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Developer.unscoped.where("name = 'David'") do
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assert_equal 'David', Developer.first.name
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Developer.unscoped.where("name = 'Maiha'") do
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assert_equal nil, Developer.first
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end
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# ensure that scoping is restored
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assert_equal 'David', Developer.first.name
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end
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# ensure that scoping is restored
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assert_equal 'Jamis', Developer.first.name
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end
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end
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def test_nested_scoped_create
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comment = Comment.create_with(:post_id => 1).scoping do
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Comment.create_with(:post_id => 2).scoping do
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Comment.create :body => "Hey guys, nested scopes are broken. Please fix!"
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end
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end
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assert_equal 2, comment.post_id
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end
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def test_nested_exclusive_scope_for_create
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comment = Comment.create_with(:body => "Hey guys, nested scopes are broken. Please fix!").scoping do
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Comment.unscoped.create_with(:post_id => 1).scoping do
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assert_blank Comment.new.body
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Comment.create :body => "Hey guys"
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end
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end
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assert_equal 1, comment.post_id
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assert_equal 'Hey guys', comment.body
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end
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end
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class HasManyScopingTest< ActiveRecord::TestCase
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fixtures :comments, :posts, :people, :references
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def setup
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@welcome = Post.find(1)
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end
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def test_forwarding_of_static_methods
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assert_equal 'a comment...', Comment.what_are_you
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assert_equal 'a comment...', @welcome.comments.what_are_you
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end
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def test_forwarding_to_scoped
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assert_equal 4, Comment.search_by_type('Comment').size
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assert_equal 2, @welcome.comments.search_by_type('Comment').size
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end
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def test_forwarding_to_dynamic_finders
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assert_equal 4, Comment.find_all_by_type('Comment').size
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assert_equal 2, @welcome.comments.find_all_by_type('Comment').size
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end
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def test_nested_scope_finder
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Comment.where('1=0').scoping do
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assert_equal 0, @welcome.comments.count
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assert_equal 'a comment...', @welcome.comments.what_are_you
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end
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Comment.where('1=1').scoping do
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assert_equal 2, @welcome.comments.count
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assert_equal 'a comment...', @welcome.comments.what_are_you
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end
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end
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def test_should_maintain_default_scope_on_associations
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person = people(:michael)
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magician = BadReference.find(1)
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assert_equal [magician], people(:michael).bad_references
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end
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def test_should_default_scope_on_associations_is_overriden_by_association_conditions
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person = people(:michael)
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assert_equal [], people(:michael).fixed_bad_references
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end
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def test_should_maintain_default_scope_on_eager_loaded_associations
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michael = Person.where(:id => people(:michael).id).includes(:bad_references).first
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magician = BadReference.find(1)
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assert_equal [magician], michael.bad_references
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end
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end
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class HasAndBelongsToManyScopingTest< ActiveRecord::TestCase
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fixtures :posts, :categories, :categories_posts
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def setup
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@welcome = Post.find(1)
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end
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def test_forwarding_of_static_methods
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assert_equal 'a category...', Category.what_are_you
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assert_equal 'a category...', @welcome.categories.what_are_you
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end
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def test_forwarding_to_dynamic_finders
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assert_equal 4, Category.find_all_by_type('SpecialCategory').size
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assert_equal 0, @welcome.categories.find_all_by_type('SpecialCategory').size
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assert_equal 2, @welcome.categories.find_all_by_type('Category').size
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end
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def test_nested_scope_finder
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Category.where('1=0').scoping do
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assert_equal 0, @welcome.categories.count
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assert_equal 'a category...', @welcome.categories.what_are_you
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end
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Category.where('1=1').scoping do
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assert_equal 2, @welcome.categories.count
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assert_equal 'a category...', @welcome.categories.what_are_you
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end
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end
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end
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class DefaultScopingTest < ActiveRecord::TestCase
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fixtures :developers, :posts
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def test_default_scope
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expected = Developer.find(:all, :order => 'salary DESC').collect { |dev| dev.salary }
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received = DeveloperOrderedBySalary.find(:all).collect { |dev| dev.salary }
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assert_equal expected, received
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end
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def test_default_scope_is_unscoped_on_find
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assert_equal 1, DeveloperCalledDavid.count
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assert_equal 11, DeveloperCalledDavid.unscoped.count
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end
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def test_default_scope_is_unscoped_on_create
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assert_nil DeveloperCalledJamis.unscoped.create!.name
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end
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def test_default_scope_with_conditions_string
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assert_equal Developer.find_all_by_name('David').map(&:id).sort, DeveloperCalledDavid.find(:all).map(&:id).sort
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assert_equal nil, DeveloperCalledDavid.create!.name
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end
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def test_default_scope_with_conditions_hash
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assert_equal Developer.find_all_by_name('Jamis').map(&:id).sort, DeveloperCalledJamis.find(:all).map(&:id).sort
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assert_equal 'Jamis', DeveloperCalledJamis.create!.name
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end
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def test_default_scoping_with_threads
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2.times do
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Thread.new { assert_equal ['salary DESC'], DeveloperOrderedBySalary.scoped.order_values }.join
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end
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end
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def test_default_scoping_with_inheritance
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# Inherit a class having a default scope and define a new default scope
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klass = Class.new(DeveloperOrderedBySalary)
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klass.send :default_scope, :limit => 1
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# Scopes added on children should append to parent scope
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assert_equal 1, klass.scoped.limit_value
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assert_equal ['salary DESC'], klass.scoped.order_values
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# Parent should still have the original scope
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assert_nil DeveloperOrderedBySalary.scoped.limit_value
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assert_equal ['salary DESC'], DeveloperOrderedBySalary.scoped.order_values
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end
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def test_default_scope_called_twice_merges_conditions
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Developer.destroy_all
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Developer.create!(:name => "David", :salary => 80000)
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Developer.create!(:name => "David", :salary => 100000)
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Developer.create!(:name => "Brian", :salary => 100000)
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klass = Class.new(Developer)
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klass.__send__ :default_scope, :conditions => { :name => "David" }
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klass.__send__ :default_scope, :conditions => { :salary => 100000 }
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assert_equal 1, klass.count
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assert_equal "David", klass.first.name
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assert_equal 100000, klass.first.salary
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end
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def test_method_scope
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expected = Developer.find(:all, :order => 'salary DESC, name DESC').collect { |dev| dev.salary }
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received = DeveloperOrderedBySalary.all_ordered_by_name.collect { |dev| dev.salary }
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assert_equal expected, received
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end
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def test_nested_scope
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expected = Developer.find(:all, :order => 'salary DESC, name DESC').collect { |dev| dev.salary }
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received = DeveloperOrderedBySalary.send(:with_scope, :find => { :order => 'name DESC'}) do
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DeveloperOrderedBySalary.find(:all).collect { |dev| dev.salary }
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end
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assert_equal expected, received
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end
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def test_named_scope_overwrites_default
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expected = Developer.find(:all, :order => 'salary DESC, name DESC').collect { |dev| dev.name }
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received = DeveloperOrderedBySalary.by_name.find(:all).collect { |dev| dev.name }
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assert_equal expected, received
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end
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def test_reorder_overrides_default_scope_order
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expected = Developer.order('name DESC').collect { |dev| dev.name }
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received = DeveloperOrderedBySalary.reorder('name DESC').collect { |dev| dev.name }
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assert_equal expected, received
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end
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def test_reordered_scope_overrides_default_scope_order
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not_expected = DeveloperOrderedBySalary.first # Jamis -> name DESC
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received = DeveloperOrderedBySalary.reordered_by_name.first # David -> name
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assert not_expected.id != received.id
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end
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def test_nested_exclusive_scope
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expected = Developer.find(:all, :limit => 100).collect { |dev| dev.salary }
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received = DeveloperOrderedBySalary.send(:with_exclusive_scope, :find => { :limit => 100 }) do
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DeveloperOrderedBySalary.find(:all).collect { |dev| dev.salary }
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end
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assert_equal expected, received
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end
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def test_order_in_default_scope_should_prevail
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expected = Developer.find(:all, :order => 'salary desc').collect { |dev| dev.salary }
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received = DeveloperOrderedBySalary.find(:all, :order => 'salary').collect { |dev| dev.salary }
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assert_equal expected, received
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end
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def test_default_scope_using_relation
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posts = PostWithComment.scoped
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assert_equal 2, posts.count
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assert_equal posts(:thinking), posts.first
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end
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def test_create_attribute_overwrites_default_scoping
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assert_equal 'David', PoorDeveloperCalledJamis.create!(:name => 'David').name
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assert_equal 200000, PoorDeveloperCalledJamis.create!(:name => 'David', :salary => 200000).salary
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end
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def test_create_attribute_overwrites_default_values
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assert_equal nil, PoorDeveloperCalledJamis.create!(:salary => nil).salary
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assert_equal 50000, PoorDeveloperCalledJamis.create!(:name => 'David').salary
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end
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def test_scope_composed_by_limit_and_then_offset_is_equal_to_scope_composed_by_offset_and_then_limit
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posts_limit_offset = Post.limit(3).offset(2)
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posts_offset_limit = Post.offset(2).limit(3)
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assert_equal posts_limit_offset, posts_offset_limit
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end
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end
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