diff options
Diffstat (limited to 'activerecord/test/cases/finder_test.rb')
| -rw-r--r-- | activerecord/test/cases/finder_test.rb | 319 |
1 files changed, 283 insertions, 36 deletions
diff --git a/activerecord/test/cases/finder_test.rb b/activerecord/test/cases/finder_test.rb index 5125d5df2a..39308866ee 100644 --- a/activerecord/test/cases/finder_test.rb +++ b/activerecord/test/cases/finder_test.rb @@ -4,18 +4,22 @@ require 'models/author' require 'models/categorization' require 'models/comment' require 'models/company' +require 'models/tagging' require 'models/topic' require 'models/reply' require 'models/entrant' require 'models/project' require 'models/developer' +require 'models/computer' require 'models/customer' require 'models/toy' require 'models/matey' require 'models/dog' +require 'models/car' +require 'models/tyre' class FinderTest < ActiveRecord::TestCase - fixtures :companies, :topics, :entrants, :developers, :developers_projects, :posts, :comments, :accounts, :authors, :customers, :categories, :categorizations + fixtures :companies, :topics, :entrants, :developers, :developers_projects, :posts, :comments, :accounts, :authors, :customers, :categories, :categorizations, :cars def test_find_by_id_with_hash assert_raises(ActiveRecord::StatementInvalid) do @@ -33,11 +37,31 @@ class FinderTest < ActiveRecord::TestCase assert_equal(topics(:first).title, Topic.find(1).title) end + def test_find_with_proc_parameter_and_block + exception = assert_raises(RuntimeError) do + Topic.all.find(-> { raise "should happen" }) { |e| e.title == "non-existing-title" } + end + assert_equal "should happen", exception.message + + assert_nothing_raised(RuntimeError) do + Topic.all.find(-> { raise "should not happen" }) { |e| e.title == topics(:first).title } + end + end + + def test_find_passing_active_record_object_is_deprecated + assert_deprecated do + Topic.find(Topic.last) + end + end + def test_symbols_table_ref - Post.first # warm up + gc_disabled = GC.disable + Post.where("author_id" => nil) # warm up x = Symbol.all_symbols.count Post.where("title" => {"xxxqqqq" => "bar"}) assert_equal x, Symbol.all_symbols.count + ensure + GC.enable if gc_disabled == false end # find should handle strings that come from URLs @@ -56,17 +80,35 @@ class FinderTest < ActiveRecord::TestCase assert_equal true, Topic.exists?(id: [1, 9999]) assert_equal false, Topic.exists?(45) - assert_equal false, Topic.exists?(Topic.new) + assert_equal false, Topic.exists?(Topic.new.id) + + assert_raise(NoMethodError) { Topic.exists?([1,2]) } + 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') + + assert_equal true, relation.exists?(title: ['Post']) + assert_equal true, relation.exists?(['title LIKE ?', 'Post%']) + assert_equal true, relation.exists? + assert_equal true, relation.exists?(post.id) + assert_equal true, relation.exists?(post.id.to_s) + + assert_equal false, relation.exists?(false) + end - begin - assert_equal false, Topic.exists?("foo") - rescue ActiveRecord::StatementInvalid - # PostgreSQL complains about string comparison with integer field - rescue Exception - flunk + def test_exists_passing_active_record_object_is_deprecated + assert_deprecated do + Topic.exists?(Topic.new) end + end - assert_raise(NoMethodError) { Topic.exists?([1,2]) } + def test_exists_fails_when_parameter_has_invalid_type + assert_raises(RangeError) do + assert_equal false, Topic.exists?(("9"*53).to_i) # number that's bigger than int + end + assert_equal false, Topic.exists?("foo") end def test_exists_does_not_select_columns_without_alias @@ -111,8 +153,8 @@ class FinderTest < ActiveRecord::TestCase def test_exists_with_distinct_association_includes_limit_and_order author = Author.first - assert_equal false, author.unique_categorized_posts.includes(:special_comments).order('comments.taggings_count DESC').limit(0).exists? - assert_equal true, author.unique_categorized_posts.includes(:special_comments).order('comments.taggings_count DESC').limit(1).exists? + assert_equal false, author.unique_categorized_posts.includes(:special_comments).order('comments.tags_count DESC').limit(0).exists? + assert_equal true, author.unique_categorized_posts.includes(:special_comments).order('comments.tags_count DESC').limit(1).exists? end def test_exists_with_empty_table_and_no_args_given @@ -162,6 +204,28 @@ class FinderTest < ActiveRecord::TestCase assert_equal 2, last_devs.size end + def test_find_with_large_number + assert_raises(ActiveRecord::RecordNotFound) { Topic.find('9999999999999999999999999999999') } + end + + def test_find_by_with_large_number + assert_nil Topic.find_by(id: '9999999999999999999999999999999') + end + + def test_find_by_id_with_large_number + assert_nil Topic.find_by_id('9999999999999999999999999999999') + end + + def test_find_on_relation_with_large_number + assert_nil Topic.where('1=1').find_by(id: 9999999999999999999999999999999) + end + + def test_find_by_bang_on_relation_with_large_number + assert_raises(ActiveRecord::RecordNotFound) do + Topic.where('1=1').find_by!(id: 9999999999999999999999999999999) + end + end + def test_find_an_empty_array assert_equal [], Topic.find([]) end @@ -215,7 +279,7 @@ class FinderTest < ActiveRecord::TestCase end def test_take_bang_missing - assert_raises ActiveRecord::RecordNotFound do + assert_raises_with_message ActiveRecord::RecordNotFound, "Couldn't find Topic" do Topic.where("title = 'This title does not exist'").take! end end @@ -235,7 +299,7 @@ class FinderTest < ActiveRecord::TestCase end def test_first_bang_missing - assert_raises ActiveRecord::RecordNotFound do + assert_raises_with_message ActiveRecord::RecordNotFound, "Couldn't find Topic" do Topic.where("title = 'This title does not exist'").first! end end @@ -249,11 +313,99 @@ class FinderTest < ActiveRecord::TestCase def test_model_class_responds_to_first_bang assert Topic.first! Topic.delete_all - assert_raises ActiveRecord::RecordNotFound do + assert_raises_with_message ActiveRecord::RecordNotFound, "Couldn't find Topic" do Topic.first! end end + def test_second + assert_equal topics(:second).title, Topic.second.title + end + + def test_second_with_offset + assert_equal topics(:fifth), Topic.offset(3).second + end + + def test_second_have_primary_key_order_by_default + expected = topics(:second) + expected.touch # PostgreSQL changes the default order if no order clause is used + assert_equal expected, Topic.second + end + + def test_model_class_responds_to_second_bang + assert Topic.second! + Topic.delete_all + assert_raises_with_message ActiveRecord::RecordNotFound, "Couldn't find Topic" do + Topic.second! + end + end + + def test_third + assert_equal topics(:third).title, Topic.third.title + end + + def test_third_with_offset + assert_equal topics(:fifth), Topic.offset(2).third + end + + def test_third_have_primary_key_order_by_default + expected = topics(:third) + expected.touch # PostgreSQL changes the default order if no order clause is used + assert_equal expected, Topic.third + end + + def test_model_class_responds_to_third_bang + assert Topic.third! + Topic.delete_all + assert_raises_with_message ActiveRecord::RecordNotFound, "Couldn't find Topic" do + Topic.third! + end + end + + def test_fourth + assert_equal topics(:fourth).title, Topic.fourth.title + end + + def test_fourth_with_offset + assert_equal topics(:fifth), Topic.offset(1).fourth + end + + def test_fourth_have_primary_key_order_by_default + expected = topics(:fourth) + expected.touch # PostgreSQL changes the default order if no order clause is used + assert_equal expected, Topic.fourth + end + + def test_model_class_responds_to_fourth_bang + assert Topic.fourth! + Topic.delete_all + assert_raises_with_message ActiveRecord::RecordNotFound, "Couldn't find Topic" do + Topic.fourth! + end + end + + def test_fifth + assert_equal topics(:fifth).title, Topic.fifth.title + end + + def test_fifth_with_offset + assert_equal topics(:fifth), Topic.offset(0).fifth + end + + def test_fifth_have_primary_key_order_by_default + expected = topics(:fifth) + expected.touch # PostgreSQL changes the default order if no order clause is used + assert_equal expected, Topic.fifth + end + + def test_model_class_responds_to_fifth_bang + assert Topic.fifth! + Topic.delete_all + assert_raises_with_message ActiveRecord::RecordNotFound, "Couldn't find Topic" do + Topic.fifth! + end + end + def test_last_bang_present assert_nothing_raised do assert_equal topics(:second), Topic.where("title = 'The Second Topic of the day'").last! @@ -261,14 +413,14 @@ class FinderTest < ActiveRecord::TestCase end def test_last_bang_missing - assert_raises ActiveRecord::RecordNotFound do + assert_raises_with_message ActiveRecord::RecordNotFound, "Couldn't find Topic" do Topic.where("title = 'This title does not exist'").last! end end def test_model_class_responds_to_last_bang - assert_equal topics(:fourth), Topic.last! - assert_raises ActiveRecord::RecordNotFound do + assert_equal topics(:fifth), Topic.last! + assert_raises_with_message ActiveRecord::RecordNotFound, "Couldn't find Topic" do Topic.delete_all Topic.last! end @@ -342,6 +494,12 @@ class FinderTest < ActiveRecord::TestCase assert_raise(ActiveRecord::RecordNotFound) { Topic.where(topics: { approved: true }).find(1) } end + def test_find_on_combined_explicit_and_hashed_table_names + assert Topic.where('topics.approved' => false, topics: { author_name: "David" }).find(1) + assert_raise(ActiveRecord::RecordNotFound) { Topic.where('topics.approved' => true, topics: { author_name: "David" }).find(1) } + assert_raise(ActiveRecord::RecordNotFound) { Topic.where('topics.approved' => false, topics: { author_name: "Melanie" }).find(1) } + end + def test_find_with_hash_conditions_on_joined_table firms = Firm.joins(:account).where(:accounts => { :credit_limit => 50 }) assert_equal 1, firms.size @@ -386,6 +544,10 @@ class FinderTest < ActiveRecord::TestCase assert_equal [1,2,3,5,6,7,8,9], Comment.where(id: [1..2, 3, 5, 6..8, 9]).to_a.map(&:id).sort end + def test_find_on_hash_conditions_with_array_of_ranges + assert_equal [1,2,6,7,8], Comment.where(id: [1..2, 6..8]).to_a.map(&:id).sort + end + def test_find_on_multiple_hash_conditions 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) } @@ -639,7 +801,9 @@ class FinderTest < ActiveRecord::TestCase def test_find_by_one_attribute_bang assert_equal topics(:first), Topic.find_by_title!("The First Topic") - assert_raise(ActiveRecord::RecordNotFound) { Topic.find_by_title!("The First Topic!") } + assert_raises_with_message(ActiveRecord::RecordNotFound, "Couldn't find Topic") do + Topic.find_by_title!("The First Topic!") + end end def test_find_by_on_attribute_that_is_a_reserved_word @@ -757,7 +921,7 @@ class FinderTest < ActiveRecord::TestCase 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 { |d| d.name } + developer_names = developers_on_project_one.map(&:name) assert developer_names.include?('David') assert developer_names.include?('Jamis') end @@ -812,8 +976,8 @@ class FinderTest < ActiveRecord::TestCase end def test_select_values - assert_equal ["1","2","3","4","5","6","7","8","9", "10"], Company.connection.select_values("SELECT id FROM companies ORDER BY id").map! { |i| i.to_s } - assert_equal ["37signals","Summit","Microsoft", "Flamboyant Software", "Ex Nihilo", "RailsCore", "Leetsoft", "Jadedpixel", "Odegy", "Ex Nihilo Part Deux"], Company.connection.select_values("SELECT name FROM companies ORDER BY id") + assert_equal ["1","2","3","4","5","6","7","8","9", "10", "11"], Company.connection.select_values("SELECT id FROM companies ORDER BY id").map!(&:to_s) + assert_equal ["37signals","Summit","Microsoft", "Flamboyant Software", "Ex Nihilo", "RailsCore", "Leetsoft", "Jadedpixel", "Odegy", "Ex Nihilo Part Deux", "Apex"], Company.connection.select_values("SELECT name FROM companies ORDER BY id") end def test_select_rows @@ -838,7 +1002,7 @@ class FinderTest < ActiveRecord::TestCase where(client_of: [2, 1, nil], name: ['37signals', 'Summit', 'Microsoft']). order('client_of DESC'). - map { |x| x.client_of } + map(&:client_of) assert client_of.include?(nil) assert_equal [2, 1].sort, client_of.compact.sort @@ -848,7 +1012,7 @@ class FinderTest < ActiveRecord::TestCase client_of = Company. where(client_of: [nil]). order('client_of DESC'). - map { |x| x.client_of } + map(&:client_of) assert_equal [], client_of.compact end @@ -863,14 +1027,23 @@ class FinderTest < ActiveRecord::TestCase end def test_find_one_message_with_custom_primary_key - Toy.primary_key = :name - begin - Toy.find 'Hello World!' - rescue ActiveRecord::RecordNotFound => e - assert_equal 'Couldn\'t find Toy with name=Hello World!', e.message + table_with_custom_primary_key do |model| + model.primary_key = :name + e = assert_raises(ActiveRecord::RecordNotFound) do + model.find 'Hello World!' + end + assert_equal %Q{Couldn't find MercedesCar with 'name'=Hello World!}, e.message + end + end + + def test_find_some_message_with_custom_primary_key + table_with_custom_primary_key do |model| + model.primary_key = :name + e = assert_raises(ActiveRecord::RecordNotFound) do + model.find 'Hello', 'World!' + end + assert_equal %Q{Couldn't find all MercedesCars with 'name': (Hello, World!) (found 0 results, but was looking for 2)}, e.message end - ensure - Toy.reset_primary_key end def test_find_without_primary_key @@ -883,6 +1056,73 @@ class FinderTest < ActiveRecord::TestCase assert_nothing_raised(ActiveRecord::StatementInvalid) { Topic.offset("3").to_a } end + test "find_by with hash conditions returns the first matching record" do + assert_equal posts(:eager_other), Post.find_by(id: posts(:eager_other).id) + end + + test "find_by with non-hash conditions returns the first matching record" do + assert_equal posts(:eager_other), Post.find_by("id = #{posts(:eager_other).id}") + end + + test "find_by with multi-arg conditions returns the first matching record" do + assert_equal posts(:eager_other), Post.find_by('id = ?', posts(:eager_other).id) + end + + test "find_by returns nil if the record is missing" do + assert_equal 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 + end + + test "find_by doesn't have implicit ordering" do + assert_sql(/^((?!ORDER).)*$/) { Post.find_by(id: posts(:eager_other).id) } + end + + test "find_by! with hash conditions returns the first matching record" do + assert_equal posts(:eager_other), Post.find_by!(id: posts(:eager_other).id) + end + + test "find_by! with non-hash conditions returns the first matching record" do + assert_equal posts(:eager_other), Post.find_by!("id = #{posts(:eager_other).id}") + end + + test "find_by! with multi-arg conditions returns the first matching record" do + assert_equal posts(:eager_other), Post.find_by!('id = ?', posts(:eager_other).id) + end + + test "find_by! doesn't have implicit ordering" do + assert_sql(/^((?!ORDER).)*$/) { Post.find_by!(id: posts(:eager_other).id) } + end + + test "find_by! raises RecordNotFound if the record is missing" do + assert_raises(ActiveRecord::RecordNotFound) do + Post.find_by!("1 = 0") + end + end + + test "find on a scope does not perform statement caching" do + honda = cars(:honda) + zyke = cars(:zyke) + tyre = honda.tyres.create! + tyre2 = zyke.tyres.create! + + assert_equal tyre, honda.tyres.custom_find(tyre.id) + assert_equal tyre2, zyke.tyres.custom_find(tyre2.id) + end + + test "find_by on a scope does not perform statement caching" do + honda = cars(:honda) + zyke = cars(:zyke) + tyre = honda.tyres.create! + tyre2 = zyke.tyres.create! + + assert_equal tyre, honda.tyres.custom_find_by(id: tyre.id) + assert_equal tyre2, zyke.tyres.custom_find_by(id: tyre2.id) + end + protected def bind(statement, *vars) if vars.first.is_a?(Hash) @@ -892,10 +1132,17 @@ class FinderTest < ActiveRecord::TestCase end end - def with_env_tz(new_tz = 'US/Eastern') - old_tz, ENV['TZ'] = ENV['TZ'], new_tz - yield - ensure - old_tz ? ENV['TZ'] = old_tz : ENV.delete('TZ') + def table_with_custom_primary_key + yield(Class.new(Toy) do + def self.name + 'MercedesCar' + end + end) end + + def assert_raises_with_message(exception_class, message, &block) + err = assert_raises(exception_class) { block.call } + assert_match message, err.message + end + end |