diff options
Diffstat (limited to 'activerecord/test/cases/finder_test.rb')
| -rw-r--r-- | activerecord/test/cases/finder_test.rb | 102 |
1 files changed, 86 insertions, 16 deletions
diff --git a/activerecord/test/cases/finder_test.rb b/activerecord/test/cases/finder_test.rb index a7b6333010..8369a10b5a 100644 --- a/activerecord/test/cases/finder_test.rb +++ b/activerecord/test/cases/finder_test.rb @@ -1,3 +1,5 @@ +# frozen_string_literal: true + require "cases/helper" require "models/post" require "models/author" @@ -7,6 +9,7 @@ require "models/company" require "models/tagging" require "models/topic" require "models/reply" +require "models/rating" require "models/entrant" require "models/project" require "models/developer" @@ -117,6 +120,21 @@ class FinderTest < ActiveRecord::TestCase assert_equal "The Fourth Topic of the day", records[2].title end + def test_find_with_ids_with_no_id_passed + exception = assert_raises(ActiveRecord::RecordNotFound) { Topic.find } + assert_equal exception.model, "Topic" + assert_equal exception.primary_key, "id" + end + + def test_find_with_ids_with_id_out_of_range + exception = assert_raises(ActiveRecord::RecordNotFound) do + Topic.find("9999999999999999999999999999999") + end + + assert_equal exception.model, "Topic" + assert_equal exception.primary_key, "id" + end + def test_find_passing_active_record_object_is_not_permitted assert_raises(ArgumentError) do Topic.find(Topic.last) @@ -154,6 +172,32 @@ class FinderTest < ActiveRecord::TestCase assert_raise(NoMethodError) { Topic.exists?([1, 2]) } end + def test_exists_with_scope + davids = Author.where(name: "David") + assert_equal true, davids.exists? + assert_equal true, davids.exists?(authors(:david).id) + assert_equal false, davids.exists?(authors(:mary).id) + assert_equal false, davids.exists?("42") + assert_equal false, davids.exists?(42) + assert_equal false, davids.exists?(davids.new.id) + + fake = Author.where(name: "fake author") + assert_equal false, fake.exists? + assert_equal false, fake.exists?(authors(:david).id) + end + + def test_exists_uses_existing_scope + post = authors(:david).posts.first + authors = Author.includes(:posts).where(name: "David", posts: { id: post.id }) + assert_equal true, authors.exists?(authors(:david).id) + end + + def test_any_with_scope_on_hash_includes + post = authors(:david).posts.first + categories = Categorization.includes(author: :posts).where(posts: { id: post.id }) + assert_equal true, categories.exists? + end + def test_exists_with_polymorphic_relation post = Post.create!(title: "Post", body: "default", taggings: [Tagging.new(comment: "tagging comment")]) relation = Post.tagged_with_comment("tagging comment") @@ -210,7 +254,7 @@ class FinderTest < ActiveRecord::TestCase # Ensure +exists?+ runs without an error by excluding order value. def test_exists_with_order - assert_equal true, Topic.order("invalid sql here").exists? + assert_equal true, Topic.order(Arel.sql("invalid sql here")).exists? end def test_exists_with_joins @@ -242,6 +286,11 @@ class FinderTest < ActiveRecord::TestCase assert_equal true, author.unique_categorized_posts.includes(:special_comments).order("comments.tags_count DESC").limit(1).exists? end + def test_exists_should_reference_correct_aliases_while_joining_tables_of_has_many_through_association + developer = developers(:david) + assert_not_predicate developer.ratings.includes(comment: :post).where(posts: { id: 1 }), :exists? + end + def test_exists_with_empty_table_and_no_args_given Topic.delete_all assert_equal false, Topic.exists? @@ -514,7 +563,7 @@ class FinderTest < ActiveRecord::TestCase assert_nil Topic.offset(4).second_to_last assert_nil Topic.offset(5).second_to_last - #test with limit + # test with limit assert_nil Topic.limit(1).second assert_nil Topic.limit(1).second_to_last end @@ -616,7 +665,7 @@ class FinderTest < ActiveRecord::TestCase def test_last_with_irreversible_order assert_raises(ActiveRecord::IrreversibleOrderError) do - Topic.order("coalesce(author_name, title)").last + Topic.order(Arel.sql("coalesce(author_name, title)")).last end end @@ -743,7 +792,6 @@ class FinderTest < ActiveRecord::TestCase assert Topic.where(author_name: "David", title: "The First Topic", replies_count: 1, approved: false).find(1) assert_raise(ActiveRecord::RecordNotFound) { Topic.where(author_name: "David", title: "The First Topic", replies_count: 1, approved: true).find(1) } assert_raise(ActiveRecord::RecordNotFound) { Topic.where(author_name: "David", title: "HHC", replies_count: 1, approved: false).find(1) } - assert_raise(ActiveRecord::RecordNotFound) { Topic.where(author_name: "David", title: "The First Topic", replies_count: 1, approved: true).find(1) } end def test_condition_interpolation @@ -1024,16 +1072,6 @@ class FinderTest < ActiveRecord::TestCase assert_raise(ActiveRecord::StatementInvalid) { Topic.find_by_sql "select 1 from badtable" } end - def test_find_all_with_join - developers_on_project_one = Developer. - joins("LEFT JOIN developers_projects ON developers.id = developers_projects.developer_id"). - where("project_id=1").to_a - assert_equal 3, developers_on_project_one.length - developer_names = developers_on_project_one.map(&:name) - assert_includes developer_names, "David" - assert_includes developer_names, "Jamis" - end - def test_joins_dont_clobber_id first = Firm. joins("INNER JOIN companies clients ON clients.firm_id = companies.id"). @@ -1162,7 +1200,7 @@ class FinderTest < ActiveRecord::TestCase e = assert_raises(ActiveRecord::RecordNotFound) do model.find "Hello", "World!" end - assert_equal "Couldn't find all MercedesCars with 'name': (Hello, World!) (found 0 results, but was looking for 2)", e.message + assert_equal "Couldn't find all MercedesCars with 'name': (Hello, World!) (found 0 results, but was looking for 2).", e.message end end @@ -1188,13 +1226,17 @@ class FinderTest < ActiveRecord::TestCase assert_equal posts(:eager_other), Post.find_by("id = ?", posts(:eager_other).id) end + test "find_by with range conditions returns the first matching record" do + assert_equal posts(:eager_other), Post.find_by(id: posts(:eager_other).id...posts(:misc_by_bob).id) + end + test "find_by returns nil if the record is missing" do assert_nil Post.find_by("1 = 0") end test "find_by with associations" do assert_equal authors(:david), Post.find_by(author: authors(:david)).author - assert_equal authors(:mary) , Post.find_by(author: authors(:mary)).author + assert_equal authors(:mary), Post.find_by(author: authors(:mary)).author end test "find_by doesn't have implicit ordering" do @@ -1243,6 +1285,34 @@ class FinderTest < ActiveRecord::TestCase assert_equal tyre2, zyke.tyres.custom_find_by(id: tyre2.id) end + test "#skip_query_cache! for #exists?" do + Topic.cache do + assert_queries(1) do + Topic.exists? + Topic.exists? + end + + assert_queries(2) do + Topic.all.skip_query_cache!.exists? + Topic.all.skip_query_cache!.exists? + end + end + end + + test "#skip_query_cache! for #exists? with a limited eager load" do + Topic.cache do + assert_queries(2) do + Topic.eager_load(:replies).limit(1).exists? + Topic.eager_load(:replies).limit(1).exists? + end + + assert_queries(4) do + Topic.eager_load(:replies).limit(1).skip_query_cache!.exists? + Topic.eager_load(:replies).limit(1).skip_query_cache!.exists? + end + end + end + private def table_with_custom_primary_key yield(Class.new(Toy) do |