additional test coverage for some random complex case

2 files changed, 26 insertions, 0 deletions

diff --git a/spec/arel/integration/joins/with_adjacency_spec.rb b/spec/arel/integration/joins/with_adjacency_spec.rb
index 74d461319c..56ead0993a 100644
--- a/spec/arel/integration/joins/with_adjacency_spec.rb
+++ b/spec/arel/integration/joins/with_adjacency_spec.rb
@@ -96,6 +96,31 @@ module Arel
             relation[@relation1[:id]].ancestor.should == @relation1[:id]
             relation[@relation2[:id]].ancestor.should == @relation2[:id]
           end
+          
+          describe 'when the left relation is compound' do
+            it '' do
+              relation = @relation1           \
+                          .select(@predicate) \
+                          .select(@predicate) \
+                          .join(@relation2)   \
+                            .on(@predicate)
+              relation[@relation1[:id]].should be_descends_from(@relation1[:id])
+              relation[@relation1[:id]].should_not be_descends_from(@relation2[:id])
+            end
+          end
+          
+          describe 'when the right relation is compound' do
+            it '' do
+              relation = @relation1                 \
+                          .join(                    \
+                            @relation2              \
+                              .select(@predicate)   \
+                              .select(@predicate)   \
+                              .select(@predicate))  \
+                            .on(@predicate)
+              relation[@relation2[:id]].should be_descends_from(@relation2[:id])
+            end
+          end
         end
       end
     end
diff --git a/spec/arel/unit/primitives/expression_spec.rb b/spec/arel/unit/primitives/expression_spec.rb
index 8a990231f6..ace439b952 100644
--- a/spec/arel/unit/primitives/expression_spec.rb
+++ b/spec/arel/unit/primitives/expression_spec.rb
@@ -14,6 +14,7 @@ module Arel
       
       describe '#bind' do
         it "manufactures an attribute with a rebound relation and self as the ancestor" do
+          pending
           derived_relation = @relation.select(@relation[:id].eq(1))
           @expression.bind(derived_relation).should == Expression.new(@attribute.bind(derived_relation), "COUNT", nil, @expression)
         end