operations_chain_spec.rb in ballast-1.6.0

- old
+ new
@@ -5,29 +5,57 @@
 
 require "spec_helper"
 
 describe Ballast::OperationsChain do
   describe ".perform" do
-    before(:each) do
-      expect_any_instance_of(Ballast::OperationsChain).to receive(:perform)
+    class SuccessOperation < Ballast::Operation
+      def perform
+        response[:result] ||= 0
+        response[:result] += 1
+      end
     end
 
-    it "should initialize with the set of operations and the first argument as context" do
-      context = Ballast::Context.new
-      expect(Ballast::Context).not_to receive(:build)
-      expect(Ballast::OperationsChain).to receive(:new).with([:A, :B, :C], context).and_call_original
-      Ballast::OperationsChain.perform(context, [:A, :B, :C])
+    class FailureOperation < Ballast::Operation
+      def perform
+        fail!
+      end
     end
 
-    it "shuold use the provided owner and context" do
-      context = Ballast::Context.new
-      expect(Ballast::Context).not_to receive(:build)
-      expect(Ballast::OperationsChain).to receive(:new).with([:A, :B, :C], context).and_call_original
-      Ballast::OperationsChain.perform(nil, [:A, :B, :C], context: context)
+    class FinalOperation < Ballast::Operation
+      def perform
+        response[:result] = "#{response[:result]}F"
+      end
     end
 
-    it "should created the context on the fly if needed" do
-      expect(Ballast::Context).to receive(:build).with("A", {a: 1})
-      Ballast::OperationsChain.perform("A", [:A, :B, :C], params: {a: 1})
+    describe ".perform" do
+      before(:each) do
+        expect_any_instance_of(Ballast::OperationsChain).to receive(:perform)
+      end
+
+      it "should initialize with the set of operations and the first argument as context" do
+        context = Ballast::Context.new
+        expect(Ballast::Context).not_to receive(:build)
+        expect(Ballast::OperationsChain).to receive(:new).with([:A, :B, :C], context).and_call_original
+        Ballast::OperationsChain.perform(context, [:A, :B, :C])
+      end
+
+      it "should use the provided owner and context" do
+        context = Ballast::Context.new
+        expect(Ballast::Context).not_to receive(:build)
+        expect(Ballast::OperationsChain).to receive(:new).with([:A, :B, :C], context).and_call_original
+        Ballast::OperationsChain.perform(nil, [:A, :B, :C], context: context)
+      end
+
+      it "should created the context on the fly if needed" do
+        expect(Ballast::Context).to receive(:build).with("A", {a: 1})
+        Ballast::OperationsChain.perform("A", [:A, :B, :C], params: {a: 1})
+      end
+    end
+
+    describe "#perform" do
+      it "should execute the operations unless they fail" do
+        expect(Ballast::OperationsChain.perform(nil, [SuccessOperation, FinalOperation]).response[:result]).to eq("1F")
+        expect(Ballast::OperationsChain.perform(nil, [SuccessOperation, FailureOperation, FinalOperation]).response[:result].to_s).not_to match(/F$/)
+      end
     end
   end
 end
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