Re-add oops states test.

spec/lib/oops_request/states_spec.rb

@@ -0,0 +1,42 @@
+require 'spec_helper'
+
+describe 'OopsRequest::States' do
+  let(:request) { create :oops_request }
+  before { allow(request).to receive(:execute_and_save) }
+
+  it 'have state pending' do
+    expect(request.state).to eq('pending')
+  end
+
+  context 'with an error' do
+    let(:message) { 'error from stub' }
+    before do
+      allow(request).to receive(:execute_and_save).
+        and_raise(Oops::Error, message)
+      begin
+        request.run
+      rescue Oops::Error
+      end
+    end
+
+    it 'have state failed' do
+      expect(request.state).to eq('failed')
+    end
+
+    it 'have the error message' do
+      expect(request.last_error).to eq(message)
+    end
+  end
+
+  context 'without an error' do
+    before { request.run }
+
+    it 'have state done' do
+      expect(request.state).to eq('done')
+    end
+
+    it 'have no error' do
+      expect(request.last_error).to be_nil
+    end
+  end
+end