memento_spec.rb in memento-0.4.0

- old
+ new
@@ -3,167 +3,208 @@
 describe Memento do
   before do
     setup_db
     setup_data
   end
-  
+
   after do
     shutdown_db
   end
-  
-  it "should be a singleton" do
-    Memento.instance.should be_kind_of(Singleton)
+
+  it "should be (like) a singleton" do
     Memento.instance.should eql(Memento.instance)
+    Memento.instance.should eql(Memento)
     lambda{ Memento.new }.should raise_error(NoMethodError)
   end
-  
+
   it "should not be memento by default" do
-    Memento.instance.should_not be_active
+    Memento.should_not be_active
   end
-  
+
   describe "start" do
-    
+
     before do
-      Memento.instance.start(@user)
-      @session = Memento.instance.instance_variable_get("@session")
+      Memento.start(@user)
+      @session = Memento.send(:session)
     end
-    
+
     it "should require user or user_id on start" do
-      lambda{ Memento.instance.start }.should raise_error(ArgumentError)
+      lambda{ Memento.start }.should raise_error(ArgumentError)
     end
-    
+
     it "should set an unsaved memento_session when starting" do
       Memento::Session.count.should eql(0)
       @session.should be_kind_of(Memento::Session)
       @session.should be_new_record
     end
-    
+
     it "should set user on session" do
       @session.user.should eql(User.first)
     end
-    
+
     it "should set user when passing in id as integer" do
-      Memento.instance.start(User.create(:name => "MyUser2").id)
-      Memento.instance.instance_variable_get("@session").user.should eql(User.last)
+      Memento.start(User.create(:name => "MyUser2").id)
+      Memento.send(:session).user.should eql(User.last)
     end
-    
+
     it "should not start memento when user does not exists/is invalid" do
-      Memento.instance.stop
-      Memento.instance.start(123333)
-      Memento.instance.should_not be_active
-      Memento.instance.start("123")
-      Memento.instance.should_not be_active
+      Memento.stop
+      Memento.start(123333)
+      Memento.should_not be_active
+      Memento.start("123")
+      Memento.should_not be_active
     end
-    
+
     it "should be memento" do
-      Memento.instance.should be_active
+      Memento.should be_active
     end
-    
+
   end
-  
+
   describe "stop" do
     before do
-      Memento.instance.start(@user)
-      Memento.instance.stop
+      Memento.start(@user)
+      Memento.stop
     end
-    
+
     it "should not be memento" do
-      Memento.instance.should_not be_active
+      Memento.should_not be_active
     end
-    
+
     it "should remove session if no states created" do
       Memento::Session.count.should eql(0)
     end
   end
-  
+
   describe "memento block" do
-    
+
     it "should record inside of block and stop after" do
-      Memento.instance.should_not be_active
-      Memento.instance.memento(@user) do
-        Memento.instance.should be_active
+      Memento.should_not be_active
+      Memento(@user) do
+        Memento.should be_active
       end
-      Memento.instance.should_not be_active
+      Memento.should_not be_active
     end
-    
+
     it "should give back session when states created" do
-      Memento.instance.memento(@user) do
+      Memento(@user) do
         Project.create!
       end.should be_a(Memento::Session)
     end
-    
+
     it "should give back false when no states created" do
-      Memento.instance.memento(@user) do
+      Memento(@user) do
         1 + 1
       end.should be_false
     end
-    
+
     it "should raise error in block and stop session" do
       lambda {
-        Memento.instance.memento(@user) do
+        Memento(@user) do
           raise StandardError
         end.should be_nil
       }.should raise_error(StandardError)
-      Memento.instance.should_not be_active
+      Memento.should_not be_active
     end
-    
+
   end
-  
+
   describe "when active" do
     before do
       @project =  Project.create(:name => "P1")
-      Memento.instance.start(@user)
+      Memento.start(@user)
     end
-    
+
     after do
-      Memento.instance.stop
+      Memento.stop
     end
-    
+
     it "should create memento_state for ar-object with action_type" do
       Memento::State.count.should eql(0)
-      Memento.instance.add_state :destroy, @project
+      Memento.add_state :destroy, @project
       Memento::State.count.should eql(1)
       Memento::State.first.action_type.should eql("destroy")
       Memento::State.first.record.should eql(Project.last)
     end
-    
+
     it "should save session on first added state" do
       Memento::Session.count.should eql(0)
-      Memento.instance.add_state :destroy, @project
+      Memento.add_state :destroy, @project
       Memento::Session.count.should eql(1)
     end
-    
+
     describe "when ignoring" do
       it "should NOT create memento_state for ar-object with action_type" do
-        Memento.instance.ignore do
-          Memento.instance.add_state :destroy, Project.create(:name => "P1")
+        Memento.ignore do
+          Memento.add_state :destroy, Project.create(:name => "P1")
         end
-        
+
         Memento::State.count.should eql(0)
       end
     end
-    
+
   end
-  
+
   describe "when not active" do
-    
+
     it "should NOT create memento_state for ar-object with action_type" do
-      Memento.instance.add_state :destroy, Project.create(:name => "P1")
+      Memento.add_state :destroy, Project.create(:name => "P1")
       Memento::State.count.should eql(0)
     end
-    
+
   end
-  
+
   context "serializer" do
-    
+
     it "should default to yaml" do
       Memento.serializer.should eql(YAML)
     end
-    
+
     it "should be changeable" do
       Memento.serializer = Marshal
       Memento.serializer.should eql(Marshal)
     end
-    
+
   end
-  
+
+  describe "multiple threads" do
+    describe "start" do
+      before do
+        Thread.new do
+          Memento.start(@user)
+        end
+      end
+
+      it "should start Memento not in main thread" do
+        sleep(0.1)
+        Memento.should_not be_active
+      end
+
+      it "should start Memento not in separat thread" do
+        sleep(0.1)
+        t = Thread.new do
+          Memento.should_not be_active
+        end
+        t.join
+      end
+    end
+
+    describe "ignore" do
+      before do
+        @t = Thread.new do
+          Memento.ignore { Memento.should be_ignore;sleep(0.2) }
+        end
+      end
+
+      after do
+        @t.join
+      end
+
+      it "should set ignore status by thread" do
+        Memento.should_not be_ignore
+        sleep(0.1)
+        Memento.should_not be_ignore
+      end
+    end
+  end
+
 end
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