missing files

1 files changed, 42 insertions, 0 deletions

diff --git a/spec/active_relation/predicates/binary_spec.rb b/spec/active_relation/predicates/binary_spec.rb
new file mode 100644
index 0000000000..02c72ef96d
--- /dev/null
+++ b/spec/active_relation/predicates/binary_spec.rb
@@ -0,0 +1,42 @@
+require File.join(File.dirname(__FILE__), '..', '..', 'spec_helper')
+
+describe ActiveRelation::Predicates::Binary do
+  before do
+    @relation1 = ActiveRelation::Relations::Table.new(:foo)
+    @relation2 = ActiveRelation::Relations::Table.new(:bar)
+    @attribute1 = ActiveRelation::Primitives::Attribute.new(@relation1, :name1)
+    @attribute2 = ActiveRelation::Primitives::Attribute.new(@relation2, :name2)
+    class ActiveRelation::Predicates::ConcreteBinary < ActiveRelation::Predicates::Binary
+      def predicate_sql
+        "<=>"
+      end
+    end
+  end
+  
+  describe '==' do
+    it "obtains if attribute1 and attribute2 are identical" do
+      ActiveRelation::Predicates::Binary.new(@attribute1, @attribute2).should == ActiveRelation::Predicates::Binary.new(@attribute1, @attribute2)
+      ActiveRelation::Predicates::Binary.new(@attribute1, @attribute2).should_not == ActiveRelation::Predicates::Binary.new(@attribute1, @attribute1)
+    end
+    
+    it "obtains if the concrete type of the ActiveRelation::Predicates::Binarys are identical" do
+      ActiveRelation::Predicates::Binary.new(@attribute1, @attribute2).should == ActiveRelation::Predicates::Binary.new(@attribute1, @attribute2)
+      ActiveRelation::Predicates::Binary.new(@attribute1, @attribute2).should_not == ActiveRelation::Predicates::ConcreteBinary.new(@attribute1, @attribute2)
+    end
+  end
+  
+  describe '#qualify' do
+    it "distributes over the predicates and attributes" do
+      ActiveRelation::Predicates::ConcreteBinary.new(@attribute1, @attribute2).qualify. \
+        should == ActiveRelation::Predicates::ConcreteBinary.new(@attribute1.qualify, @attribute2.qualify)
+    end
+  end
+  
+  describe '#to_sql' do
+    it 'manufactures correct sql' do
+      ActiveRelation::Predicates::ConcreteBinary.new(@attribute1, @attribute2).to_sql.should be_like("""
+        `foo`.`name1` <=> `bar`.`name2`
+      """)
+    end
+  end
+end
\ No newline at end of file