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require "cases/helper"
require 'active_support/core_ext/array/random_access'
require 'models/post'
require 'models/topic'
require 'models/comment'
require 'models/reply'
require 'models/author'
require 'models/developer'
class NamedScopeTest < ActiveRecord::TestCase
fixtures :posts, :authors, :topics, :comments, :author_addresses
def test_implements_enumerable
assert !Topic.find(:all).empty?
assert_equal Topic.find(:all), Topic.base
assert_equal Topic.find(:all), Topic.base.to_a
assert_equal Topic.find(:first), Topic.base.first
assert_equal Topic.find(:all), Topic.base.map { |i| i }
end
def test_found_items_are_cached
Topic.columns
all_posts = Topic.base
assert_queries(1) do
all_posts.collect
all_posts.collect
end
end
def test_reload_expires_cache_of_found_items
all_posts = Topic.base
all_posts.all
new_post = Topic.create!
assert !all_posts.include?(new_post)
assert all_posts.reload.include?(new_post)
end
def test_delegates_finds_and_calculations_to_the_base_class
assert !Topic.find(:all).empty?
assert_equal Topic.find(:all), Topic.base.find(:all)
assert_equal Topic.find(:first), Topic.base.find(:first)
assert_equal Topic.count, Topic.base.count
assert_equal Topic.average(:replies_count), Topic.base.average(:replies_count)
end
def test_scope_should_respond_to_own_methods_and_methods_of_the_proxy
assert Topic.approved.respond_to?(:limit)
assert Topic.approved.respond_to?(:count)
assert Topic.approved.respond_to?(:length)
end
def test_respond_to_respects_include_private_parameter
assert !Topic.approved.respond_to?(:tables_in_string)
assert Topic.approved.respond_to?(:tables_in_string, true)
end
def test_subclasses_inherit_scopes
assert Topic.scopes.include?(:base)
assert Reply.scopes.include?(:base)
assert_equal Reply.find(:all), Reply.base
end
def test_scopes_with_options_limit_finds_to_those_matching_the_criteria_specified
assert !Topic.find(:all, :conditions => {:approved => true}).empty?
assert_equal Topic.find(:all, :conditions => {:approved => true}), Topic.approved
assert_equal Topic.count(:conditions => {:approved => true}), Topic.approved.count
end
def test_scopes_with_string_name_can_be_composed
# NOTE that scopes defined with a string as a name worked on their own
# but when called on another scope the other scope was completely replaced
assert_equal Topic.replied.approved, Topic.replied.approved_as_string
end
def test_scopes_can_be_specified_with_deep_hash_conditions
assert_equal Topic.replied.approved, Topic.replied.approved_as_hash_condition
end
def test_scopes_are_composable
assert_equal((approved = Topic.find(:all, :conditions => {:approved => true})), Topic.approved)
assert_equal((replied = Topic.find(:all, :conditions => 'replies_count > 0')), Topic.replied)
assert !(approved == replied)
assert !(approved & replied).empty?
assert_equal approved & replied, Topic.approved.replied
end
def test_procedural_scopes
topics_written_before_the_third = Topic.find(:all, :conditions => ['written_on < ?', topics(:third).written_on])
topics_written_before_the_second = Topic.find(:all, :conditions => ['written_on < ?', topics(:second).written_on])
assert_not_equal topics_written_before_the_second, topics_written_before_the_third
assert_equal topics_written_before_the_third, Topic.written_before(topics(:third).written_on)
assert_equal topics_written_before_the_second, Topic.written_before(topics(:second).written_on)
end
def test_procedural_scopes_returning_nil
all_topics = Topic.find(:all)
assert_equal all_topics, Topic.written_before(nil)
end
def test_scopes_with_joins
address = author_addresses(:david_address)
posts_with_authors_at_address = Post.find(
:all, :joins => 'JOIN authors ON authors.id = posts.author_id',
:conditions => [ 'authors.author_address_id = ?', address.id ]
)
assert_equal posts_with_authors_at_address, Post.with_authors_at_address(address)
end
def test_scopes_with_joins_respects_custom_select
address = author_addresses(:david_address)
posts_with_authors_at_address_titles = Post.find(:all,
:select => 'title',
:joins => 'JOIN authors ON authors.id = posts.author_id',
:conditions => [ 'authors.author_address_id = ?', address.id ]
)
assert_equal posts_with_authors_at_address_titles, Post.with_authors_at_address(address).find(:all, :select => 'title')
end
def test_extensions
assert_equal 1, Topic.anonymous_extension.one
assert_equal 2, Topic.named_extension.two
end
def test_multiple_extensions
assert_equal 2, Topic.multiple_extensions.extension_two
assert_equal 1, Topic.multiple_extensions.extension_one
end
def test_has_many_associations_have_access_to_named_scopes
assert_not_equal Post.containing_the_letter_a, authors(:david).posts
assert !Post.containing_the_letter_a.empty?
assert_equal authors(:david).posts & Post.containing_the_letter_a, authors(:david).posts.containing_the_letter_a
end
def test_named_scope_with_STI
assert_equal 3,Post.containing_the_letter_a.count
assert_equal 1,SpecialPost.containing_the_letter_a.count
end
def test_has_many_through_associations_have_access_to_named_scopes
assert_not_equal Comment.containing_the_letter_e, authors(:david).comments
assert !Comment.containing_the_letter_e.empty?
assert_equal authors(:david).comments & Comment.containing_the_letter_e, authors(:david).comments.containing_the_letter_e
end
def test_named_scopes_honor_current_scopes_from_when_defined
assert !Post.ranked_by_comments.limit_by(5).empty?
assert !authors(:david).posts.ranked_by_comments.limit_by(5).empty?
assert_not_equal Post.ranked_by_comments.limit_by(5), authors(:david).posts.ranked_by_comments.limit_by(5)
assert_not_equal Post.top(5), authors(:david).posts.top(5)
# Oracle sometimes sorts differently if WHERE condition is changed
assert_equal authors(:david).posts.ranked_by_comments.limit_by(5).to_a.sort_by(&:id), authors(:david).posts.top(5).to_a.sort_by(&:id)
assert_equal Post.ranked_by_comments.limit_by(5), Post.top(5)
end
def test_active_records_have_scope_named__all__
assert !Topic.find(:all).empty?
assert_equal Topic.find(:all), Topic.base
end
def test_active_records_have_scope_named__scoped__
assert !Topic.find(:all, scope = {:conditions => "content LIKE '%Have%'"}).empty?
assert_equal Topic.find(:all, scope), Topic.scoped(scope)
end
def test_first_and_last_should_support_find_options
assert_equal Topic.base.first(:order => 'title'), Topic.base.find(:first, :order => 'title')
assert_equal Topic.base.last(:order => 'title'), Topic.base.find(:last, :order => 'title')
end
def test_first_and_last_should_allow_integers_for_limit
assert_equal Topic.base.first(2), Topic.base.to_a.first(2)
assert_equal Topic.base.last(2), Topic.base.to_a.last(2)
end
def test_first_and_last_should_not_use_query_when_results_are_loaded
topics = Topic.base
topics.reload # force load
assert_no_queries do
topics.first
topics.last
end
end
def test_first_and_last_find_options_should_use_query_when_results_are_loaded
topics = Topic.base
topics.reload # force load
assert_queries(2) do
topics.first(:order => 'title')
topics.last(:order => 'title')
end
end
def test_empty_should_not_load_results
topics = Topic.base
assert_queries(2) do
topics.empty? # use count query
topics.collect # force load
topics.empty? # use loaded (no query)
end
end
def test_any_should_not_load_results
topics = Topic.base
assert_queries(2) do
topics.any? # use count query
topics.collect # force load
topics.any? # use loaded (no query)
end
end
def test_any_should_call_proxy_found_if_using_a_block
topics = Topic.base
assert_queries(1) do
topics.expects(:empty?).never
topics.any? { true }
end
end
def test_any_should_not_fire_query_if_named_scope_loaded
topics = Topic.base
topics.collect # force load
assert_no_queries { assert topics.any? }
end
def test_many_should_not_load_results
topics = Topic.base
assert_queries(2) do
topics.many? # use count query
topics.collect # force load
topics.many? # use loaded (no query)
end
end
def test_many_should_call_proxy_found_if_using_a_block
topics = Topic.base
assert_queries(1) do
topics.expects(:size).never
topics.many? { true }
end
end
def test_many_should_not_fire_query_if_named_scope_loaded
topics = Topic.base
topics.collect # force load
assert_no_queries { assert topics.many? }
end
def test_many_should_return_false_if_none_or_one
topics = Topic.base.scoped(:conditions => {:id => 0})
assert !topics.many?
topics = Topic.base.scoped(:conditions => {:id => 1})
assert !topics.many?
end
def test_many_should_return_true_if_more_than_one
assert Topic.base.many?
end
def test_should_build_with_proxy_options
topic = Topic.approved.build({})
assert topic.approved
end
def test_should_build_new_with_proxy_options
topic = Topic.approved.new
assert topic.approved
end
def test_should_create_with_proxy_options
topic = Topic.approved.create({})
assert topic.approved
end
def test_should_create_with_bang_with_proxy_options
topic = Topic.approved.create!({})
assert topic.approved
end
def test_should_build_with_proxy_options_chained
topic = Topic.approved.by_lifo.build({})
assert topic.approved
assert_equal 'lifo', topic.author_name
end
def test_find_all_should_behave_like_select
assert_equal Topic.base.to_a.select(&:approved), Topic.base.to_a.find_all(&:approved)
end
def test_rand_should_select_a_random_object_from_proxy
assert_kind_of Topic, Topic.approved.sample
end
def test_should_use_where_in_query_for_named_scope
assert_equal Developer.find_all_by_name('Jamis').to_set, Developer.find_all_by_id(Developer.jamises).to_set
end
def test_size_should_use_count_when_results_are_not_loaded
topics = Topic.base
assert_queries(1) do
assert_sql(/COUNT/i) { topics.size }
end
end
def test_size_should_use_length_when_results_are_loaded
topics = Topic.base
topics.reload # force load
assert_no_queries do
topics.size # use loaded (no query)
end
end
def test_chaining_with_duplicate_joins
join = "INNER JOIN comments ON comments.post_id = posts.id"
post = Post.find(1)
assert_equal post.comments.size, Post.scoped(:joins => join).scoped(:joins => join, :conditions => "posts.id = #{post.id}").size
end
def test_chaining_should_use_latest_conditions_when_creating
post = Topic.rejected.new
assert !post.approved?
post = Topic.rejected.approved.new
assert post.approved?
post = Topic.approved.rejected.new
assert !post.approved?
post = Topic.approved.rejected.approved.new
assert post.approved?
end
def test_chaining_should_use_latest_conditions_when_searching
# Normal hash conditions
assert_equal Topic.where(:approved => true).to_a, Topic.rejected.approved.all
assert_equal Topic.where(:approved => false).to_a, Topic.approved.rejected.all
# Nested hash conditions with same keys
assert_equal [posts(:sti_comments)], Post.with_special_comments.with_very_special_comments.all
# Nested hash conditions with different keys
assert_equal [posts(:sti_comments)], Post.with_special_comments.with_post(4).all.uniq
end
def test_named_scopes_batch_finders
assert_equal 3, Topic.approved.count
assert_queries(4) do
Topic.approved.find_each(:batch_size => 1) {|t| assert t.approved? }
end
assert_queries(2) do
Topic.approved.find_in_batches(:batch_size => 2) do |group|
group.each {|t| assert t.approved? }
end
end
end
def test_table_names_for_chaining_scopes_with_and_without_table_name_included
assert_nothing_raised do
Comment.for_first_post.for_first_author.all
end
end
def test_named_scopes_with_reserved_names
class << Topic
def public_method; end
public :public_method
def protected_method; end
protected :protected_method
def private_method; end
private :private_method
end
[:public_method, :protected_method, :private_method].each do |reserved_method|
assert Topic.respond_to?(reserved_method, true)
ActiveRecord::Base.logger.expects(:warn)
Topic.scope(reserved_method)
end
end
def test_deprecated_named_scope_method
assert_deprecated('named_scope has been deprecated') { Topic.named_scope :deprecated_named_scope }
end
def test_named_scopes_on_relations
# Topic.replied
approved_topics = Topic.scoped.approved.order('id DESC')
assert_equal topics(:fourth), approved_topics.first
replied_approved_topics = approved_topics.replied
assert_equal topics(:third), replied_approved_topics.first
end
def test_index_on_named_scope
approved = Topic.approved.order('id ASC')
assert_equal topics(:second), approved[0]
assert approved.loaded?
end
def test_nested_named_scopes_queries_size
assert_queries(1) do
Topic.approved.by_lifo.replied.written_before(Time.now).all
end
end
def test_named_scopes_are_cached_on_associations
post = posts(:welcome)
assert_equal post.comments.containing_the_letter_e.object_id, post.comments.containing_the_letter_e.object_id
post.comments.containing_the_letter_e.all # force load
assert_no_queries { post.comments.containing_the_letter_e.all }
end
def test_named_scopes_with_arguments_are_cached_on_associations
post = posts(:welcome)
one = post.comments.limit_by(1).all
assert_equal 1, one.size
two = post.comments.limit_by(2).all
assert_equal 2, two.size
assert_no_queries { post.comments.limit_by(1).all }
assert_no_queries { post.comments.limit_by(2).all }
end
def test_named_scopes_are_reset_on_association_reload
post = posts(:welcome)
[:destroy_all, :reset, :delete_all].each do |method|
before = post.comments.containing_the_letter_e
post.comments.send(method)
assert before.object_id != post.comments.containing_the_letter_e.object_id, "AssociationCollection##{method} should reset the named scopes cache"
end
end
end
class DynamicScopeMatchTest < ActiveRecord::TestCase
def test_scoped_by_no_match
assert_nil ActiveRecord::DynamicScopeMatch.match("not_scoped_at_all")
end
def test_scoped_by
match = ActiveRecord::DynamicScopeMatch.match("scoped_by_age_and_sex_and_location")
assert_not_nil match
assert match.scope?
assert_equal %w(age sex location), match.attribute_names
end
end
class DynamicScopeTest < ActiveRecord::TestCase
fixtures :posts
def test_dynamic_scope
assert_equal Post.scoped_by_author_id(1).find(1), Post.find(1)
assert_equal Post.scoped_by_author_id_and_title(1, "Welcome to the weblog").first, Post.find(:first, :conditions => { :author_id => 1, :title => "Welcome to the weblog"})
end
end
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