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author | Jon Leighton <j@jonathanleighton.com> | 2010-11-27 11:31:17 +0000 |
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committer | Jon Leighton <j@jonathanleighton.com> | 2010-11-27 11:31:17 +0000 |
commit | 3a7f43ca6ecf1735e1a82d4a68ac8f62b5cf2fcf (patch) | |
tree | 4960911c58f2c47ecaf4f4579167270ba9c257a7 /activerecord/test/cases/associations/eager_test.rb | |
parent | 1bc90044b655572a4b8aa3b323905e26d37e0f2b (diff) | |
parent | fd83f9d51583c080072dc9fd00f02ad742e265d4 (diff) | |
download | rails-3a7f43ca6ecf1735e1a82d4a68ac8f62b5cf2fcf.tar.gz rails-3a7f43ca6ecf1735e1a82d4a68ac8f62b5cf2fcf.tar.bz2 rails-3a7f43ca6ecf1735e1a82d4a68ac8f62b5cf2fcf.zip |
Merge branch 'master' into nested_has_many_through
Conflicts:
activerecord/CHANGELOG
activerecord/lib/active_record/associations.rb
Diffstat (limited to 'activerecord/test/cases/associations/eager_test.rb')
-rw-r--r-- | activerecord/test/cases/associations/eager_test.rb | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/activerecord/test/cases/associations/eager_test.rb b/activerecord/test/cases/associations/eager_test.rb index 10fb80f822..1c740c4660 100644 --- a/activerecord/test/cases/associations/eager_test.rb +++ b/activerecord/test/cases/associations/eager_test.rb @@ -79,6 +79,58 @@ class EagerAssociationTest < ActiveRecord::TestCase end end + def test_preloading_has_many_in_multiple_queries_with_more_ids_than_database_can_handle + Post.connection.expects(:in_clause_length).at_least_once.returns(5) + posts = Post.find(:all, :include=>:comments) + assert_equal 11, posts.size + end + + def test_preloading_has_many_in_one_queries_when_database_has_no_limit_on_ids_it_can_handle + Post.connection.expects(:in_clause_length).at_least_once.returns(nil) + posts = Post.find(:all, :include=>:comments) + assert_equal 11, posts.size + end + + def test_preloading_habtm_in_multiple_queries_with_more_ids_than_database_can_handle + Post.connection.expects(:in_clause_length).at_least_once.returns(5) + posts = Post.find(:all, :include=>:categories) + assert_equal 11, posts.size + end + + def test_preloading_habtm_in_one_queries_when_database_has_no_limit_on_ids_it_can_handle + Post.connection.expects(:in_clause_length).at_least_once.returns(nil) + posts = Post.find(:all, :include=>:categories) + assert_equal 11, posts.size + end + + def test_load_associated_records_in_one_query_when_adapter_has_no_limit + Post.connection.expects(:in_clause_length).at_least_once.returns(nil) + Post.expects(:i_was_called).with([1,2,3,4,5,6,7]).returns([1]) + associated_records = Post.send(:associated_records, [1,2,3,4,5,6,7]) do |some_ids| + Post.i_was_called(some_ids) + end + assert_equal [1], associated_records + end + + def test_load_associated_records_in_several_queries_when_many_ids_passed + Post.connection.expects(:in_clause_length).at_least_once.returns(5) + Post.expects(:i_was_called).with([1,2,3,4,5]).returns([1]) + Post.expects(:i_was_called).with([6,7]).returns([6]) + associated_records = Post.send(:associated_records, [1,2,3,4,5,6,7]) do |some_ids| + Post.i_was_called(some_ids) + end + assert_equal [1,6], associated_records + end + + def test_load_associated_records_in_one_query_when_a_few_ids_passed + Post.connection.expects(:in_clause_length).at_least_once.returns(5) + Post.expects(:i_was_called).with([1,2,3]).returns([1]) + associated_records = Post.send(:associated_records, [1,2,3]) do |some_ids| + Post.i_was_called(some_ids) + end + assert_equal [1], associated_records + end + def test_including_duplicate_objects_from_belongs_to popular_post = Post.create!(:title => 'foo', :body => "I like cars!") comment = popular_post.comments.create!(:body => "lol") |