test: add test case for error handling

Author: Tom Kirkpatrick

test/fullcube-state-machine/common/models/order.js

@@ -36,4 +36,14 @@ module.exports = function OrderModel(Order) {
     return Promise.resolve(ctx)
   })
 
+  // Disable
+  Order.observe('fsm:ondisable', ctx => {
+    log.info(`Disabling order ${ctx.instance.id}`)
+    return Promise.reject(new Error('not implemented'))
+  })
+  Order.observe('fsm:onentereddisabled', ctx => {
+    log.info(`Sucessfully disabled order ${ctx.instance.id}`)
+    return Promise.resolve(ctx)
+  })
+
 }

test/fullcube-state-machine/common/models/order.json

@@ -78,7 +78,8 @@
       "events": [
         { "name": "cancel", "from": "prepared", "to": "canceled" },
         { "name": "deliver", "from": "prepared", "to": "delivered", "settings": { "allowForce" : true } },
-        { "name": "prepare", "from": [ "none" ], "to": "prepared" }
+        { "name": "prepare", "from": [ "none" ], "to": "prepared" },
+        { "name": "disable", "from": [ "canceled", "delivered", "prepared" ], "to": "disabled" }
       ]
     }
   }

test/test.js

@@ -334,4 +334,26 @@ describe('Force status update', function() {
         })
     })
   })
+
+  describe('Failed state change', function() {
+    beforeEach(function() {
+      return Order.create()
+        .then(order => (this.order = order))
+    })
+
+    it('should return with the rejected error', function() {
+      this.disabledSpy = sinon.spy()
+      Order.observe('fsm:onentereddisabled', ctx => {
+        this.disabledSpy()
+        return Promise.resolve(ctx)
+      })
+      return this.order.disable()
+        .then(() => new Error('should not have completed event'))
+        .catch(err => {
+          expect(err).to.have.property('message', 'not implemented')
+          return this.order.reload().then(order => expect(order).to.have.property('status', 'prepared'))
+        })
+        .finally(() => expect(this.disabledSpy).to.not.have.been.called())
+    })
+  })
 })