From aeb09afd73cf188c6aee22bf4dd0f1beb937ac22 Mon Sep 17 00:00:00 2001
From: Bryan Helmkamp <bryan@brynary.com>
Date: Tue, 27 May 2008 21:56:38 -0400
Subject: AND/OR support for predicates

---
 spec/arel/unit/predicates/binary_spec.rb     | 27 +++++++++++++++++++++++
 spec/arel/unit/predicates/predicates_spec.rb | 33 ++++++++++++++++++++++++++++
 2 files changed, 60 insertions(+)
 create mode 100644 spec/arel/unit/predicates/predicates_spec.rb

(limited to 'spec')

diff --git a/spec/arel/unit/predicates/binary_spec.rb b/spec/arel/unit/predicates/binary_spec.rb
index 5dee4833d4..56fcf2d8ad 100644
--- a/spec/arel/unit/predicates/binary_spec.rb
+++ b/spec/arel/unit/predicates/binary_spec.rb
@@ -13,6 +13,33 @@ module Arel
       end
     end
 
+    describe "with compound predicates" do
+      before do
+        @operand1 = ConcreteBinary.new(@attribute1, 1)
+        @operand2 = ConcreteBinary.new(@attribute2, "name")
+      end
+      
+      describe Or do
+        describe "#to_sql" do
+          it "manufactures sql with an OR operation" do
+            Or.new(@operand1, @operand2).to_sql.should be_like("
+              (`users`.`id` <=> 1 OR `users`.`name` <=> 'name')
+            ")
+          end
+        end
+      end
+
+      describe And do
+        describe "#to_sql" do
+          it "manufactures sql with an AND operation" do
+            And.new(@operand1, @operand2).to_sql.should be_like("
+              (`users`.`id` <=> 1 AND `users`.`name` <=> 'name')
+            ")
+          end
+        end
+      end
+    end
+    
     describe '#to_sql' do
       describe 'when relating two attributes' do
         it 'manufactures sql with a binary operation' do
diff --git a/spec/arel/unit/predicates/predicates_spec.rb b/spec/arel/unit/predicates/predicates_spec.rb
new file mode 100644
index 0000000000..d11637cabe
--- /dev/null
+++ b/spec/arel/unit/predicates/predicates_spec.rb
@@ -0,0 +1,33 @@
+require File.join(File.dirname(__FILE__), '..', '..', '..', 'spec_helper')
+
+module Arel
+  describe Predicate do
+    before do
+      @relation = Table.new(:users)
+      @attribute1 = @relation[:id]
+      @attribute2 = @relation[:name]
+      @operand1 = Equality.new(@attribute1, 1)
+      @operand2 = Equality.new(@attribute2, "name")
+    end
+    
+    describe "when being combined with another predicate with AND logic" do
+      describe "#to_sql" do
+        it "manufactures sql with an AND operation" do
+          @operand1.and(@operand2).to_sql.should be_like("
+            (`users`.`id` = 1 AND `users`.`name` = 'name')
+          ")
+        end
+      end
+    end
+    
+    describe "when being combined with another predicate with OR logic" do
+      describe "#to_sql" do
+        it "manufactures sql with an OR operation" do
+          @operand1.or(@operand2).to_sql.should be_like("
+            (`users`.`id` = 1 OR `users`.`name` = 'name')
+          ")
+        end
+      end
+    end
+  end
+end
\ No newline at end of file
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