fills in specs for improv performances

spec/transactor/improv/performance_spec.rb

@@ -0,0 +1,65 @@
+require 'spec_helper'
+
+RSpec.describe Transactor::Improv::Performance do
+  subject { Transactor::Improv::Performance.new(Transactor::Improv::Actor, test_one: 'one', test_two: 2) }
+
+  describe '#perform' do
+    it 'returns self' do
+      expect(subject.perform).to eql(subject)
+    end
+
+    context 'when passed a block' do
+      it 'stores the block to be called later' do
+        dummy_proc = Proc.new { nil }
+        subject.perform &dummy_proc
+        expect(subject.perform_block).to eql(dummy_proc)
+      end
+    end
+
+    context 'when not passed a block' do
+      context 'when a block was stored previously' do
+        it 'executes the stored block' do
+          subject.perform { @dummy_proc_executed = true }
+          subject.perform
+          expect(subject.actor.instance_variable_get(:@dummy_proc_executed)).to be_true
+        end
+      end
+
+      context 'when no block was stored previously' do
+        it 'executes a noop proc' do
+          expect { subject.perform }.to_not raise_exception
+        end
+      end
+    end
+  end
+
+  describe '#rollback' do
+    it 'returns self' do
+      expect(subject.rollback).to eql(subject)
+    end
+
+    context 'when passed a block' do
+      it 'stores the block to be called later' do
+        dummy_proc = Proc.new { nil }
+        subject.rollback &dummy_proc
+        expect(subject.rollback_block).to eql(dummy_proc)
+      end
+    end
+
+    context 'when not passed a block' do
+      context 'when a block was stored previously' do
+        it 'executes the stored block' do
+          subject.rollback { @dummy_proc_executed = true }
+          subject.rollback
+          expect(subject.actor.instance_variable_get(:@dummy_proc_executed)).to be_true
+        end
+      end
+
+      context 'when no block was stored previously' do
+        it 'executes a noop proc' do
+          expect { subject.rollback }.to_not raise_exception
+        end
+      end
+    end
+  end
+end