test support for Sequel and multiple state machines per class

spec/unit/persistence/sequel_persistence_multiple_spec.rb

@@ -0,0 +1,120 @@
+describe 'sequel' do
+  begin
+    require 'sequel'
+    require 'logger'
+    require 'spec_helper'
+
+    before(:all) do
+      db = Sequel.connect(SEQUEL_DB)
+
+      # if you want to see the statements while running the spec enable the following line
+      # db.loggers << Logger.new($stderr)
+      db.create_table(:models) do
+        primary_key :id
+        String :status
+      end
+
+      @model = Class.new(Sequel::Model(db)) do
+        set_dataset(:models)
+        include AASM
+
+        attr_accessor :default
+
+        aasm :left, :column => :status
+        aasm :left do
+          state :alpha, :initial => true
+          state :beta
+          state :gamma
+          event :release do
+            transitions :from => [:alpha, :beta, :gamma], :to => :beta
+          end
+        end
+      end
+    end
+
+    describe "instance methods" do
+      let(:model) {@model.new}
+
+      it "should respond to aasm persistence methods" do
+        expect(model).to respond_to(:aasm_read_state)
+        expect(model).to respond_to(:aasm_write_state)
+        expect(model).to respond_to(:aasm_write_state_without_persistence)
+      end
+
+      it "should return the initial state when new and the aasm field is nil" do
+        expect(model.aasm(:left).current_state).to eq(:alpha)
+      end
+
+      it "should save the initial state" do
+        model.save
+        expect(model.status).to eq("alpha")
+      end
+
+      it "should return the aasm column when new and the aasm field is not nil" do
+        model.status = "beta"
+        expect(model.aasm(:left).current_state).to eq(:beta)
+      end
+
+      it "should return the aasm column when not new and the aasm_column is not nil" do
+        allow(model).to receive(:new?).and_return(false)
+        model.status = "gamma"
+        expect(model.aasm(:left).current_state).to eq(:gamma)
+      end
+
+      it "should allow a nil state" do
+        allow(model).to receive(:new?).and_return(false)
+        model.status = nil
+        expect(model.aasm(:left).current_state).to be_nil
+      end
+
+      it "should not change the state if state is not loaded" do
+        model.release
+        model.save
+        model.class.select(:id).first.save
+        model.reload
+        expect(model.aasm(:left).current_state).to eq(:beta)
+      end
+
+      it "should call aasm_ensure_initial_state on validation before create" do
+        expect(model).to receive(:aasm_ensure_initial_state).and_return(true)
+        model.valid?
+      end
+
+      it "should call aasm_ensure_initial_state before create, even if skipping validations" do
+        expect(model).to receive(:aasm_ensure_initial_state).and_return(true)
+        model.save(:validate => false)
+      end
+    end
+
+    describe 'subclasses' do
+      it "should have the same states as its parent class" do
+        expect(Class.new(@model).aasm(:left).states).to eq(@model.aasm(:left).states)
+      end
+
+      it "should have the same events as its parent class" do
+        expect(Class.new(@model).aasm(:left).events).to eq(@model.aasm(:left).events)
+      end
+
+      it "should have the same column as its parent even for the new dsl" do
+        expect(@model.aasm(:left).attribute_name).to eq(:status)
+        expect(Class.new(@model).aasm(:left).attribute_name).to eq(:status)
+      end
+    end
+
+    describe 'initial states' do
+      it 'should support conditions' do
+        @model.aasm(:left) do
+          initial_state lambda{ |m| m.default }
+        end
+
+        expect(@model.new(:default => :beta).aasm(:left).current_state).to eq(:beta)
+        expect(@model.new(:default => :gamma).aasm(:left).current_state).to eq(:gamma)
+      end
+    end
+
+  rescue LoadError
+    puts "------------------------------------------------------------------------"
+    puts "Not running Sequel multiple-specs because sequel gem is not installed!!!"
+    puts "------------------------------------------------------------------------"
+  end
+end

spec/unit/persistence/sequel_persistence_spec.rb

@@ -1,4 +1,3 @@
-
 describe 'sequel' do
   begin
     require 'sequel'
@@ -112,6 +111,8 @@ describe 'sequel' do
     end
 
   rescue LoadError
+    puts "------------------------------------------------------------------------"
     puts "Not running Sequel specs because sequel gem is not installed!!!"
+    puts "------------------------------------------------------------------------"
   end
 end