Add unit spec for order cycles simple create controller

app/assets/javascripts/admin/order_cycles/controllers/simple_edit.js.coffee

@@ -1,19 +1,21 @@
 angular.module('admin.order_cycles').controller "AdminSimpleCreateOrderCycleCtrl", ($scope, OrderCycle, Enterprise, EnterpriseFee) ->
   $scope.enterprises = Enterprise.index (enterprises) =>
+    $scope.init(enterprises)
+  $scope.enterprise_fees = EnterpriseFee.index()
+  $scope.order_cycle = OrderCycle.order_cycle
+
+  $scope.init = (enterprises) ->
     enterprise = enterprises[Object.keys(enterprises)[0]]
     OrderCycle.addSupplier enterprise.id
     OrderCycle.addDistributor enterprise.id
     $scope.outgoing_exchange = OrderCycle.order_cycle.outgoing_exchanges[0]
 
+    # All variants start as checked
     OrderCycle.setExchangeVariants(OrderCycle.order_cycle.incoming_exchanges[0],
       Enterprise.suppliedVariants(enterprise.id), true)
 
     OrderCycle.order_cycle.coordinator_id = enterprise.id
 
-  $scope.enterprise_fees = EnterpriseFee.index()
-
-  $scope.order_cycle = OrderCycle.order_cycle
-
   $scope.loaded = ->
     Enterprise.loaded && EnterpriseFee.loaded
 

spec/javascripts/unit/admin/order_cycles/controllers/simple_edit.js.coffee

@@ -0,0 +1,49 @@
+describe "AdminSimpleCreateOrderCycleCtrl", ->
+  ctrl = null
+  scope = {}
+  OrderCycle = {}
+  Enterprise = {}
+  EnterpriseFee = {}
+  incoming_exchange = {}
+  outgoing_exchange = {}
+
+  beforeEach ->
+    scope = {}
+    OrderCycle =
+      order_cycle:
+        incoming_exchanges: [incoming_exchange]
+        outgoing_exchanges: [outgoing_exchange]
+      addSupplier: jasmine.createSpy()
+      addDistributor: jasmine.createSpy()
+      setExchangeVariants: jasmine.createSpy()
+    Enterprise =
+      index: jasmine.createSpy()
+      suppliedVariants: jasmine.createSpy().andReturn('supplied variants')
+    EnterpriseFee =
+      index: jasmine.createSpy()
+
+    module('admin.order_cycles')
+    inject ($controller) ->
+      ctrl = $controller 'AdminSimpleCreateOrderCycleCtrl', {$scope: scope, OrderCycle: OrderCycle, Enterprise: Enterprise, EnterpriseFee: EnterpriseFee}
+
+  describe "initialisation", ->
+    enterprise = {id: 123}
+    enterprises = {123: enterprise}
+
+    beforeEach ->
+      scope.init(enterprises)
+
+    it "sets up an incoming and outgoing exchange", ->
+      expect(OrderCycle.addSupplier).toHaveBeenCalledWith(enterprise.id)
+      expect(OrderCycle.addDistributor).toHaveBeenCalledWith(enterprise.id)
+      expect(scope.outgoing_exchange).toEqual outgoing_exchange
+
+    it "selects all variants", ->
+      expect(Enterprise.suppliedVariants).
+        toHaveBeenCalledWith(enterprise.id)
+
+      expect(OrderCycle.setExchangeVariants).
+        toHaveBeenCalledWith(incoming_exchange, 'supplied variants', true)
+
+    it "sets the coordinator", ->
+      expect(OrderCycle.order_cycle.coordinator_id).toEqual enterprise.id