spec/unit/designs/design_spec.rb in couchrest_model-1.2.0.beta vs spec/unit/designs/design_spec.rb in couchrest_model-2.0.0.beta

@@ -6,11 +6,11 @@
 
   before :all do
     reset_test_db!
   end
 
-  class DesignSampleModel < CouchRest::Model::Base
+  class DesignSampleModelBase < CouchRest::Model::Base
     use_database DB
     property :name
     property :surname
     design do
       view :by_name
@@ -18,10 +18,13 @@
     design :stats do
       view :by_surname
     end
   end
 
+  class DesignSampleModel < DesignSampleModelBase
+  end
+
   describe "class methods" do
 
     before :all do
       @klass = CouchRest::Model::Designs::Design
     end
@@ -158,12 +161,91 @@
 
       end
     end
 
 
-    describe "checksum" do
+    describe "#migrate" do
+      # WARNING! ORDER IS IMPORTANT!
 
+      describe "with limited changes" do
+
+        class DesignSampleModelMigrate < DesignSampleModelBase
+        end
+
+        before :all do
+          reset_test_db!
+          @mod = DesignSampleModelMigrate
+          @doc = @mod.design_doc
+          @db  = @mod.database
+        end
+
+        it "should create new design if non exists" do
+          @db.should_receive(:view).with("#{@doc['_id']}/_view/#{@doc['views'].keys.first}", {:limit => 1, :reduce => false})
+          callback = @doc.migrate do |res|
+            res.should eql(:created)
+          end
+          doc = @db.get(@doc['_id'])
+          doc['views']['all'].should eql(@doc['views']['all'])
+          callback.should be_nil
+        end
+
+        it "should not change anything if design is up to date" do
+          @doc.sync
+          @db.should_not_receive(:view)
+          callback = @doc.migrate do |res|
+            res.should eql(:no_change)
+          end
+          callback.should be_nil
+        end
+
+      end
+
+      describe "migrating a document if there are changes" do
+
+        class DesignSampleModelMigrate2 < DesignSampleModelBase
+        end
+
+        before :all do
+          reset_test_db!
+          @mod = DesignSampleModelMigrate2
+          @doc = @mod.design_doc
+          @db  = @mod.database
+          @doc.sync!
+          @doc.create_view(:by_name_and_surname)
+          @doc_id = @doc['_id'] + '_migration'
+        end
+
+        it "should save new migration design doc" do
+          @db.should_receive(:view).with("#{@doc_id}/_view/by_name", {:limit => 1, :reduce => false})
+          @callback = @doc.migrate do |res|
+            res.should eql(:migrated)
+          end
+          @callback.should_not be_nil
+
+          # should not have updated original view until cleanup
+          doc = @db.get(@doc['_id'])
+          doc['views'].should_not have_key('by_name_and_surname')
+
+          # Should have created the migration
+          new_doc = @db.get(@doc_id)
+          new_doc.should_not be_nil
+
+          # should be possible to perform cleanup
+          @callback.call
+          lambda { new_doc = @db.get(@doc_id) }.should raise_error RestClient::ResourceNotFound
+
+          doc = @db.get(@doc['_id'])
+          doc['views'].should have_key('by_name_and_surname')
+        end
+
+      end
+
+    end
+
+
+    describe "#checksum" do
+
       before :all do
         @mod = DesignSampleModel
         @doc = @mod.design_doc
       end
 
@@ -171,11 +253,11 @@
         @doc.checksum.should_not be_blank
       end
 
       it "should provide same checksum without refresh on re-request" do
         chk = @doc.checksum
-        @doc.should_not_receive(:chaecksum!)
+        @doc.should_not_receive(:checksum!)
         @doc.checksum.should eql(chk)
       end
 
       it "should provide new checksum if the design has changed" do
         chk = @doc.checksum
@@ -269,15 +351,15 @@
 
   describe "Checksum calculations" do
 
     it "should calculate a consistent checksum for model" do
       #WithTemplateAndUniqueID.design_doc.checksum.should eql('caa2b4c27abb82b4e37421de76d96ffc')
-      WithTemplateAndUniqueID.design_doc.checksum.should eql('f0973aaa72e4db0efeb2a281ea297cec')
+      WithTemplateAndUniqueID.design_doc.checksum.should eql('7f44e88afbce06204010c49b76f31bcf')
     end
 
     it "should calculate checksum for complex model" do
       #Article.design_doc.checksum.should eql('70dff8caea143bf40fad09adf0701104')
-      Article.design_doc.checksum.should eql('7ef39bffdf5837e8b078411ac417d860')
+      Article.design_doc.checksum.should eql('0f25a2d9f86e31ebd61b29863a41d5ed')
     end
 
     it "should cache the generated checksum value" do
       Article.design_doc.checksum
       Article.design_doc['couchrest-hash'].should_not be_blank