1 files changed, 72 insertions, 0 deletions
diff --git a/spec/engines/sql/unit/relations/where_spec.rb b/spec/engines/sql/unit/relations/where_spec.rb
new file mode 100644
index 0000000000..5f559efad3
--- /dev/null
+++ b/spec/engines/sql/unit/relations/where_spec.rb
@@ -0,0 +1,72 @@
+require 'spec_helper'
+
+module Arel
+  describe Where do
+    before do
+      @relation = Table.new(:users)
+      @predicate = @relation[:id].eq(1)
+    end
+
+    describe '#to_sql' do
+      describe 'when given a predicate' do
+        it "manufactures sql with where clause conditions" do
+          sql = Where.new(@relation, @predicate).to_sql
+
+          adapter_is :mysql do
+            sql.should be_like(%Q{
+              SELECT `users`.`id`, `users`.`name`
+              FROM `users`
+              WHERE `users`.`id` = 1
+            })
+          end
+
+          adapter_is :oracle do
+            sql.should be_like(%Q{
+              SELECT "USERS"."ID", "USERS"."NAME"
+              FROM "USERS"
+              WHERE "USERS"."ID" = 1
+            })
+          end
+
+          adapter_is_not :mysql, :oracle do
+            sql.should be_like(%Q{
+              SELECT "users"."id", "users"."name"
+              FROM "users"
+              WHERE "users"."id" = 1
+            })
+          end
+        end
+      end
+
+      describe 'when given a string' do
+        it "passes the string through to the where clause" do
+          sql = Where.new(@relation, 'asdf').to_sql
+
+          adapter_is :mysql do
+            sql.should be_like(%Q{
+              SELECT `users`.`id`, `users`.`name`
+              FROM `users`
+              WHERE asdf
+            })
+          end
+
+          adapter_is :oracle do
+            sql.should be_like(%Q{
+              SELECT "USERS"."ID", "USERS"."NAME"
+              FROM "USERS"
+              WHERE asdf
+            })
+          end
+
+          adapter_is_not :mysql, :oracle do
+            sql.should be_like(%Q{
+              SELECT "users"."id", "users"."name"
+              FROM "users"
+              WHERE asdf
+            })
+          end
+        end
+      end
+    end
+  end
+end