463 lines
16 KiB
Ruby
463 lines
16 KiB
Ruby
require "cases/helper"
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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/post'
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require 'models/category'
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class MethodScopingTest < ActiveRecord::TestCase
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fixtures :developers, :projects, :comments, :posts, :developers_projects
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def test_set_conditions
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Developer.with_scope(:find => { :conditions => 'just a test...' }) do
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assert_equal 'just a test...', Developer.send(:current_scoped_methods)[:find][:conditions]
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end
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end
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def test_scoped_find
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Developer.with_scope(:find => { :conditions => "name = 'David'" }) 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.with_scope(:find => { :conditions => "salary = 100000" }) do
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assert_equal Developer.find(10), Developer.find(:first, :order => 'name')
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end
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end
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def test_scoped_find_combines_conditions
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Developer.with_scope(:find => { :conditions => "salary = 9000" }) do
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assert_equal developers(:poor_jamis), Developer.find(:first, :conditions => "name = 'Jamis'")
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end
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end
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def test_scoped_find_sanitizes_conditions
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Developer.with_scope(:find => { :conditions => ['salary = ?', 9000] }) do
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assert_equal developers(:poor_jamis), Developer.find(: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.with_scope(:find => { :conditions => ['salary = ?', 9000] }) do
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assert_equal developers(:poor_jamis), Developer.find(:first, :conditions => ['name = ?', 'Jamis'])
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end
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end
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def test_scoped_find_all
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Developer.with_scope(:find => { :conditions => "name = 'David'" }) do
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assert_equal [developers(:david)], Developer.find(: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.with_scope(:find => { :select => "id, name" }) do
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developer = Developer.find(:first, :conditions => "name = 'David'")
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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_options_select_replaces_scope_select
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Developer.with_scope(:find => { :select => "id, name" }) do
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developer = Developer.find(:first, :select => 'id, salary', :conditions => "name = 'David'")
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assert_equal 80000, developer.salary
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assert !developer.has_attribute?(:name)
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end
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end
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def test_scoped_count
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Developer.with_scope(:find => { :conditions => "name = 'David'" }) do
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assert_equal 1, Developer.count
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end
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Developer.with_scope(:find => { :conditions => 'salary = 100000' }) do
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assert_equal 8, Developer.count
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assert_equal 1, Developer.count(:conditions => "name LIKE 'fixture_1%'")
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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.with_scope(:find => { :include => :projects }) do
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Developer.find(:all, :conditions => 'projects.id = 2')
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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.with_scope(:find => { :joins => 'JOIN developers_projects ON id = developer_id' } ) do
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Developer.find(:all, :conditions => 'developers_projects.project_id = 2')
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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_count_include
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# with the include, will retrieve only developers for the given project
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Developer.with_scope(:find => { :include => :projects }) do
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assert_equal 1, Developer.count(:conditions => 'projects.id = 2')
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end
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end
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def test_scoped_create
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new_comment = nil
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VerySpecialComment.with_scope(:create => { :post_id => 1 }) do
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assert_equal({ :post_id => 1 }, VerySpecialComment.send(:current_scoped_methods)[:create])
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new_comment = VerySpecialComment.create :body => "Wonderful world"
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end
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assert Post.find(1).comments.include?(new_comment)
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end
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def test_immutable_scope
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options = { :conditions => "name = 'David'" }
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Developer.with_scope(:find => options) do
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assert_equal %w(David), Developer.find(:all).map { |d| d.name }
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options[:conditions] = "name != 'David'"
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assert_equal %w(David), Developer.find(:all).map { |d| d.name }
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end
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scope = { :find => { :conditions => "name = 'David'" }}
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Developer.with_scope(scope) do
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assert_equal %w(David), Developer.find(:all).map { |d| d.name }
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scope[:find][:conditions] = "name != 'David'"
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assert_equal %w(David), Developer.find(:all).map { |d| d.name }
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end
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end
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def test_scoped_with_duck_typing
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scoping = Struct.new(:method_scoping).new(:find => { :conditions => ["name = ?", 'David'] })
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Developer.with_scope(scoping) do
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assert_equal %w(David), Developer.find(:all).map { |d| d.name }
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end
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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.instance_eval('current_scoped_methods')
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begin
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Developer.with_scope(:find => { :conditions => "name = 'Jamis'" }) 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.instance_eval('current_scoped_methods')
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end
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end
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class NestedScopingTest < ActiveRecord::TestCase
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fixtures :developers, :projects, :comments, :posts
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def test_merge_options
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Developer.with_scope(:find => { :conditions => 'salary = 80000' }) do
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Developer.with_scope(:find => { :limit => 10 }) do
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merged_option = Developer.instance_eval('current_scoped_methods')[:find]
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assert_equal({ :conditions => 'salary = 80000', :limit => 10 }, merged_option)
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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.with_scope(:find => { :conditions => "name = 'David'" }) do
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Developer.with_exclusive_scope(:find => { :conditions => "name = 'Jamis'" }) do
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assert_equal({:find => { :conditions => "name = 'Jamis'" }}, Developer.instance_eval('current_scoped_methods'))
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assert_equal({:find => { :conditions => "name = 'Jamis'" }}, Developer.send(:scoped_methods)[-1])
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end
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end
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end
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def test_append_conditions
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Developer.with_scope(:find => { :conditions => "name = 'David'" }) do
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Developer.with_scope(:find => { :conditions => 'salary = 80000' }) do
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appended_condition = Developer.instance_eval('current_scoped_methods')[:find][:conditions]
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assert_equal("(name = 'David') AND (salary = 80000)", appended_condition)
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assert_equal(1, Developer.count)
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end
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Developer.with_scope(:find => { :conditions => "name = 'Maiha'" }) do
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assert_equal(0, Developer.count)
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end
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end
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end
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def test_merge_and_append_options
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Developer.with_scope(:find => { :conditions => 'salary = 80000', :limit => 10 }) do
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Developer.with_scope(:find => { :conditions => "name = 'David'" }) do
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merged_option = Developer.instance_eval('current_scoped_methods')[:find]
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assert_equal({ :conditions => "(salary = 80000) AND (name = 'David')", :limit => 10 }, merged_option)
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end
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end
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end
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def test_nested_scoped_find
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Developer.with_scope(:find => { :conditions => "name = 'Jamis'" }) do
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Developer.with_exclusive_scope(:find => { :conditions => "name = 'David'" }) do
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assert_nothing_raised { Developer.find(1) }
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assert_equal('David', Developer.find(:first).name)
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end
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assert_equal('Jamis', Developer.find(:first).name)
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end
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end
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def test_nested_scoped_find_include
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Developer.with_scope(:find => { :include => :projects }) do
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Developer.with_scope(:find => { :conditions => "projects.id = 2" }) do
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assert_nothing_raised { Developer.find(1) }
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assert_equal('David', Developer.find(:first).name)
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end
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end
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end
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def test_nested_scoped_find_merged_include
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# :include's remain unique and don't "double up" when merging
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Developer.with_scope(:find => { :include => :projects, :conditions => "projects.id = 2" }) do
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Developer.with_scope(:find => { :include => :projects }) do
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assert_equal 1, Developer.instance_eval('current_scoped_methods')[:find][:include].length
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assert_equal('David', Developer.find(:first).name)
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end
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end
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# the nested scope doesn't remove the first :include
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Developer.with_scope(:find => { :include => :projects, :conditions => "projects.id = 2" }) do
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Developer.with_scope(:find => { :include => [] }) do
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assert_equal 1, Developer.instance_eval('current_scoped_methods')[:find][:include].length
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assert_equal('David', Developer.find(:first).name)
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end
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end
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# mixing array and symbol include's will merge correctly
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Developer.with_scope(:find => { :include => [:projects], :conditions => "projects.id = 2" }) do
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Developer.with_scope(:find => { :include => :projects }) do
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assert_equal 1, Developer.instance_eval('current_scoped_methods')[:find][:include].length
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assert_equal('David', Developer.find(:first).name)
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end
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end
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end
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def test_nested_scoped_find_replace_include
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Developer.with_scope(:find => { :include => :projects }) do
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Developer.with_exclusive_scope(:find => { :include => [] }) do
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assert_equal 0, Developer.instance_eval('current_scoped_methods')[:find][:include].length
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end
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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.with_scope(:find => { :conditions => "name = 'Jamis'" }) do
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assert_equal('Jamis', Developer.find(:first).name)
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Developer.with_exclusive_scope(:find => { :conditions => "name = 'David'" }) do
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assert_equal('David', Developer.find(:first).name)
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Developer.with_exclusive_scope(:find => { :conditions => "name = 'Maiha'" }) do
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assert_equal(nil, Developer.find(:first))
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end
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# ensure that scoping is restored
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assert_equal('David', Developer.find(:first).name)
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end
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# ensure that scoping is restored
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assert_equal('Jamis', Developer.find(:first).name)
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end
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end
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def test_merged_scoped_find
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poor_jamis = developers(:poor_jamis)
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Developer.with_scope(:find => { :conditions => "salary < 100000" }) do
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Developer.with_scope(:find => { :offset => 1 }) do
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assert_equal(poor_jamis, Developer.find(:first, :order => 'id asc'))
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end
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end
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end
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def test_merged_scoped_find_sanitizes_conditions
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Developer.with_scope(:find => { :conditions => ["name = ?", 'David'] }) do
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Developer.with_scope(:find => { :conditions => ['salary = ?', 9000] }) do
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assert_raise(ActiveRecord::RecordNotFound) { developers(:poor_jamis) }
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end
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end
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end
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def test_nested_scoped_find_combines_and_sanitizes_conditions
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Developer.with_scope(:find => { :conditions => ["name = ?", 'David'] }) do
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Developer.with_exclusive_scope(:find => { :conditions => ['salary = ?', 9000] }) do
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assert_equal developers(:poor_jamis), Developer.find(:first)
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assert_equal developers(:poor_jamis), Developer.find(:first, :conditions => ['name = ?', 'Jamis'])
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end
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end
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end
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def test_merged_scoped_find_combines_and_sanitizes_conditions
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Developer.with_scope(:find => { :conditions => ["name = ?", 'David'] }) do
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Developer.with_scope(:find => { :conditions => ['salary > ?', 9000] }) do
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assert_equal %w(David), Developer.find(:all).map { |d| d.name }
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end
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end
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end
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def test_merged_scoped_find_on_blank_conditions
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[nil, " ", [], {}].each do |blank|
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Developer.with_scope(:find => {:conditions => blank}) do
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Developer.with_scope(:find => {:conditions => blank}) do
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assert_nothing_raised { Developer.find(:first) }
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end
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end
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end
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end
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def test_merged_scoped_find_on_blank_bind_conditions
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[ [""], ["",{}] ].each do |blank|
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Developer.with_scope(:find => {:conditions => blank}) do
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Developer.with_scope(:find => {:conditions => blank}) do
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assert_nothing_raised { Developer.find(:first) }
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end
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end
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end
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end
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def test_immutable_nested_scope
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options1 = { :conditions => "name = 'Jamis'" }
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options2 = { :conditions => "name = 'David'" }
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Developer.with_scope(:find => options1) do
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Developer.with_exclusive_scope(:find => options2) do
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assert_equal %w(David), Developer.find(:all).map { |d| d.name }
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options1[:conditions] = options2[:conditions] = nil
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assert_equal %w(David), Developer.find(:all).map { |d| d.name }
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end
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end
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end
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def test_immutable_merged_scope
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options1 = { :conditions => "name = 'Jamis'" }
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options2 = { :conditions => "salary > 10000" }
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Developer.with_scope(:find => options1) do
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Developer.with_scope(:find => options2) do
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assert_equal %w(Jamis), Developer.find(:all).map { |d| d.name }
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options1[:conditions] = options2[:conditions] = nil
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assert_equal %w(Jamis), Developer.find(:all).map { |d| d.name }
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end
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end
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end
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def test_ensure_that_method_scoping_is_correctly_restored
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Developer.with_scope(:find => { :conditions => "name = 'David'" }) do
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scoped_methods = Developer.instance_eval('current_scoped_methods')
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begin
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Developer.with_scope(:find => { :conditions => "name = 'Maiha'" }) 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.instance_eval('current_scoped_methods')
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end
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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
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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
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Comment.with_scope(:find => { :conditions => '1=1' }) do
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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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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
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Category.with_scope(:find => { :conditions => '1=1' }) do
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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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end
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=begin
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# We disabled the scoping for has_one and belongs_to as we can't think of a proper use case
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class BelongsToScopingTest< ActiveRecord::TestCase
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fixtures :comments, :posts
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def setup
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@greetings = Comment.find(1)
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end
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def test_forwarding_of_static_method
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assert_equal 'a post...', Post.what_are_you
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assert_equal 'a post...', @greetings.post.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, Post.find_all_by_type('Post').size
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assert_equal 1, @greetings.post.find_all_by_type('Post').size
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end
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end
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class HasOneScopingTest< ActiveRecord::TestCase
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fixtures :comments, :posts
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def setup
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@sti_comments = Post.find(4)
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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 very special comment...', @sti_comments.very_special_comment.what_are_you
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end
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def test_forwarding_to_dynamic_finders
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assert_equal 1, Comment.find_all_by_type('VerySpecialComment').size
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assert_equal 1, @sti_comments.very_special_comment.find_all_by_type('VerySpecialComment').size
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assert_equal 0, @sti_comments.very_special_comment.find_all_by_type('Comment').size
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end
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end
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=end
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