diff options
Diffstat (limited to 'activerecord/test/cases/arel/visitors/to_sql_test.rb')
| -rw-r--r-- | activerecord/test/cases/arel/visitors/to_sql_test.rb | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/activerecord/test/cases/arel/visitors/to_sql_test.rb b/activerecord/test/cases/arel/visitors/to_sql_test.rb index b6426a211e..680c26a9ab 100644 --- a/activerecord/test/cases/arel/visitors/to_sql_test.rb +++ b/activerecord/test/cases/arel/visitors/to_sql_test.rb @@ -480,6 +480,28 @@ module Arel end end + describe "Nodes::Union" do + it "squashes parenthesis on multiple unions" do + subnode = Nodes::Union.new Arel.sql("left"), Arel.sql("right") + node = Nodes::Union.new subnode, Arel.sql("topright") + assert_equal("( left UNION right UNION topright )", compile(node)) + subnode = Nodes::Union.new Arel.sql("left"), Arel.sql("right") + node = Nodes::Union.new Arel.sql("topleft"), subnode + assert_equal("( topleft UNION left UNION right )", compile(node)) + end + end + + describe "Nodes::UnionAll" do + it "squashes parenthesis on multiple union alls" do + subnode = Nodes::UnionAll.new Arel.sql("left"), Arel.sql("right") + node = Nodes::UnionAll.new subnode, Arel.sql("topright") + assert_equal("( left UNION ALL right UNION ALL topright )", compile(node)) + subnode = Nodes::UnionAll.new Arel.sql("left"), Arel.sql("right") + node = Nodes::UnionAll.new Arel.sql("topleft"), subnode + assert_equal("( topleft UNION ALL left UNION ALL right )", compile(node)) + end + end + describe "Nodes::NotIn" do it "should know how to visit" do node = @attr.not_in [1, 2, 3] |