add a complex example spec for Sequel

spec/models/sequel/complex_sequel_example.rb

@@ -0,0 +1,45 @@
+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(:complex_sequel_examples) do
+  primary_key :id
+  String :left
+  String :right
+end
+
+class ComplexSequelExample < Sequel::Model(db)
+  set_dataset(:complex_sequel_examples)
+
+  include AASM
+
+  aasm :left, :column => 'left' do
+    state :one, :initial => true
+    state :two
+    state :three
+
+    event :increment do
+      transitions :from => :one, :to => :two
+      transitions :from => :two, :to => :three
+    end
+    event :reset do
+      transitions :from => :three, :to => :one
+    end
+  end
+
+  aasm :right, :column => 'right' do
+    state :alpha, :initial => true
+    state :beta
+    state :gamma
+
+    event :level_up do
+      transitions :from => :alpha, :to => :beta
+      transitions :from => :beta, :to => :gamma
+    end
+    event :level_down do
+      transitions :from => :gamma, :to => :beta
+      transitions :from => :beta, :to => :alpha
+    end
+  end
+
+end

spec/unit/persistence/sequel_persistence_multiple_spec.rb

@@ -4,6 +4,10 @@ describe 'sequel' do
     require 'logger'
     require 'spec_helper'
 
+    Dir[File.dirname(__FILE__) + "/../../models/sequel/*.rb"].sort.each do |f|
+      require File.expand_path(f)
+    end
+
     before(:all) do
       db = Sequel.connect(SEQUEL_DB)
 
@@ -112,6 +116,59 @@ describe 'sequel' do
       end
     end
 
+    describe "complex example" do
+      it "works" do
+        record = ComplexSequelExample.new
+        expect(record.aasm(:left).current_state).to eql :one
+        expect(record.left).to be_nil
+        expect(record.aasm(:right).current_state).to eql :alpha
+        expect(record.right).to be_nil
+
+        record.save
+        expect_aasm_states record, :one, :alpha
+        record.reload
+        expect_aasm_states record, :one, :alpha
+
+        record.increment!
+        expect_aasm_states record, :two, :alpha
+        record.reload
+        expect_aasm_states record, :two, :alpha
+
+        record.level_up!
+        expect_aasm_states record, :two, :beta
+        record.reload
+        expect_aasm_states record, :two, :beta
+
+        record.increment!
+        expect { record.increment! }.to raise_error(AASM::InvalidTransition)
+        expect_aasm_states record, :three, :beta
+        record.reload
+        expect_aasm_states record, :three, :beta
+
+        record.level_up!
+        expect_aasm_states record, :three, :gamma
+        record.reload
+        expect_aasm_states record, :three, :gamma
+
+        record.level_down # without saving
+        expect_aasm_states record, :three, :beta
+        record.reload
+        expect_aasm_states record, :three, :gamma
+
+        record.level_down # without saving
+        expect_aasm_states record, :three, :beta
+        record.reset!
+        expect_aasm_states record, :one, :beta
+      end
+
+      def expect_aasm_states(record, left_state, right_state)
+        expect(record.aasm(:left).current_state).to eql left_state.to_sym
+        expect(record.left).to eql left_state.to_s
+        expect(record.aasm(:right).current_state).to eql right_state.to_sym
+        expect(record.right).to eql right_state.to_s
+      end
+    end
+
   rescue LoadError
     puts "------------------------------------------------------------------------"
     puts "Not running Sequel multiple-specs because sequel gem is not installed!!!"