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-rw-r--r--activerecord/test/cases/relations_test.rb95
1 files changed, 64 insertions, 31 deletions
diff --git a/activerecord/test/cases/relations_test.rb b/activerecord/test/cases/relations_test.rb
index e746ca2805..88a12c61df 100644
--- a/activerecord/test/cases/relations_test.rb
+++ b/activerecord/test/cases/relations_test.rb
@@ -139,6 +139,13 @@ class RelationTest < ActiveRecord::TestCase
assert_equal relation.to_a, Topic.select('a.*').from(relation, :a).to_a
end
+ def test_finding_with_subquery_with_binds
+ relation = Post.first.comments
+ assert_equal relation.to_a, Comment.select('*').from(relation).to_a
+ assert_equal relation.to_a, Comment.select('subquery.*').from(relation).to_a
+ assert_equal relation.to_a, Comment.select('a.*').from(relation, :a).to_a
+ end
+
def test_finding_with_conditions
assert_equal ["David"], Author.where(:name => 'David').map(&:name)
assert_equal ['Mary'], Author.where(["name = ?", 'Mary']).map(&:name)
@@ -170,6 +177,10 @@ class RelationTest < ActiveRecord::TestCase
assert_equal topics(:fourth).title, topics.first.title
end
+ def test_order_with_hash_and_symbol_generates_the_same_sql
+ assert_equal Topic.order(:id).to_sql, Topic.order(:id => :asc).to_sql
+ end
+
def test_raising_exception_on_invalid_hash_params
assert_raise(ArgumentError) { Topic.order(:name, "id DESC", :id => :DeSc) }
end
@@ -180,7 +191,7 @@ class RelationTest < ActiveRecord::TestCase
end
def test_finding_with_order_concatenated
- topics = Topic.order('title').order('author_name')
+ topics = Topic.order('author_name').order('title')
assert_equal 4, topics.to_a.size
assert_equal topics(:fourth).title, topics.first.title
end
@@ -368,7 +379,7 @@ class RelationTest < ActiveRecord::TestCase
def test_respond_to_dynamic_finders
relation = Topic.all
- ["find_by_title", "find_by_title_and_author_name", "find_or_create_by_title", "find_or_initialize_by_title_and_author_name"].each do |method|
+ ["find_by_title", "find_by_title_and_author_name"].each do |method|
assert_respond_to relation, method, "Topic.all should respond to #{method.inspect}"
end
end
@@ -481,6 +492,14 @@ class RelationTest < ActiveRecord::TestCase
assert_equal Post.find(1).last_comment, post.last_comment
end
+ def test_to_sql_on_eager_join
+ expected = assert_sql {
+ Post.eager_load(:last_comment).order('comments.id DESC').to_a
+ }.first
+ actual = Post.eager_load(:last_comment).order('comments.id DESC').to_sql
+ assert_equal expected, actual
+ end
+
def test_loading_with_one_association_with_non_preload
posts = Post.eager_load(:last_comment).order('comments.id DESC')
post = posts.find { |p| p.id == 1 }
@@ -1175,20 +1194,20 @@ class RelationTest < ActiveRecord::TestCase
end
def test_default_scope_order_with_scope_order
- assert_equal 'honda', CoolCar.order_using_new_style.limit(1).first.name
- assert_equal 'honda', FastCar.order_using_new_style.limit(1).first.name
+ assert_equal 'zyke', CoolCar.order_using_new_style.limit(1).first.name
+ assert_equal 'zyke', FastCar.order_using_new_style.limit(1).first.name
end
def test_order_using_scoping
car1 = CoolCar.order('id DESC').scoping do
- CoolCar.all.merge!(:order => 'id asc').first
+ CoolCar.all.merge!(order: 'id asc').first
end
- assert_equal 'honda', car1.name
+ assert_equal 'zyke', car1.name
car2 = FastCar.order('id DESC').scoping do
- FastCar.all.merge!(:order => 'id asc').first
+ FastCar.all.merge!(order: 'id asc').first
end
- assert_equal 'honda', car2.name
+ assert_equal 'zyke', car2.name
end
def test_unscoped_block_style
@@ -1208,33 +1227,12 @@ class RelationTest < ActiveRecord::TestCase
assert_equal "id", Post.all.primary_key
end
- def test_eager_loading_with_conditions_on_joins
- scope = Post.includes(:comments)
-
- # This references the comments table, and so it should cause the comments to be eager
- # loaded via a JOIN, rather than by subsequent queries.
- scope = scope.joins(
- Post.arel_table.create_join(
- Post.arel_table,
- Post.arel_table.create_on(Comment.arel_table[:id].eq(3))
- )
- )
-
+ def test_disable_implicit_join_references_is_deprecated
assert_deprecated do
- assert scope.eager_loading?
+ ActiveRecord::Base.disable_implicit_join_references = true
end
end
- def test_turn_off_eager_loading_with_conditions_on_joins
- original_value = ActiveRecord::Base.disable_implicit_join_references
- ActiveRecord::Base.disable_implicit_join_references = true
-
- scope = Topic.where(author_email_address: 'my.example@gmail.com').includes(:replies)
- assert_not scope.eager_loading?
- ensure
- ActiveRecord::Base.disable_implicit_join_references = original_value
- end
-
def test_ordering_with_extra_spaces
assert_equal authors(:david), Author.order('id DESC , name DESC').last
end
@@ -1353,6 +1351,24 @@ class RelationTest < ActiveRecord::TestCase
assert_equal [], scope.references_values
end
+ def test_automatically_added_reorder_references
+ scope = Post.reorder('comments.body')
+ assert_equal %w(comments), scope.references_values
+
+ scope = Post.reorder('comments.body', 'yaks.body')
+ assert_equal %w(comments yaks), scope.references_values
+
+ # Don't infer yaks, let's not go down that road again...
+ scope = Post.reorder('comments.body, yaks.body')
+ assert_equal %w(comments), scope.references_values
+
+ scope = Post.reorder('comments.body asc')
+ assert_equal %w(comments), scope.references_values
+
+ scope = Post.reorder('foo(comments.body)')
+ assert_equal [], scope.references_values
+ end
+
def test_presence
topics = Topic.all
@@ -1569,4 +1585,21 @@ class RelationTest < ActiveRecord::TestCase
merged = left.merge(right)
assert_equal binds, merged.bind_values
end
+
+ def test_merging_reorders_bind_params
+ post = Post.first
+ id_column = Post.columns_hash['id']
+ title_column = Post.columns_hash['title']
+
+ bv = Post.connection.substitute_at id_column, 0
+
+ right = Post.where(id: bv)
+ right.bind_values += [[id_column, post.id]]
+
+ left = Post.where(title: bv)
+ left.bind_values += [[title_column, post.title]]
+
+ merged = left.merge(right)
+ assert_equal post, merged.first
+ end
end