adds final recounting to poll officers' zone

spec/models/poll/final_recount_spec.rb

@@ -0,0 +1,40 @@
+require 'rails_helper'
+
+describe :final_recount do
+
+  it "should update count_log if count changes" do
+    final_recount = create(:poll_final_recount, count: 33)
+
+    expect(final_recount.count_log).to eq("")
+
+    final_recount.count = 33
+    final_recount.save
+    final_recount.count = 32
+    final_recount.save
+    final_recount.count = 34
+    final_recount.save
+
+    expect(final_recount.count_log).to eq(":33:32")
+  end
+
+  it "should update officer_assignment_id_log if count changes" do
+    final_recount = create(:poll_final_recount, count: 33)
+
+    expect(final_recount.count_log).to eq("")
+
+    final_recount.count = 33
+    final_recount.officer_assignment_id = 1
+    final_recount.save
+
+    final_recount.count = 32
+    final_recount.officer_assignment_id = 2
+    final_recount.save
+
+    final_recount.count = 34
+    final_recount.officer_assignment_id = 3
+    final_recount.save
+
+    expect(final_recount.officer_assignment_id_log).to eq(":1:2")
+  end
+
+end