1 files changed, 38 insertions, 0 deletions
diff --git a/spec/models/concerns/issuable_spec.rb b/spec/models/concerns/issuable_spec.rb
index 1078c959419..344906c581b 100644
--- a/spec/models/concerns/issuable_spec.rb
+++ b/spec/models/concerns/issuable_spec.rb
@@ -408,4 +408,42 @@ describe Issue, "Issuable" do
       expect(issue.assignee_or_author?(user)).to eq(false)
     end
   end
+
+  describe '#spend_time' do
+    let(:user) { create(:user) }
+    let(:issue) { create(:issue) }
+
+    def spend_time(seconds)
+      issue.spend_time(seconds, user)
+      issue.save!
+    end
+
+    context 'adding time' do
+      it 'should update the total time spent' do
+        spend_time(1800)
+
+        expect(issue.total_time_spent).to eq(1800)
+      end
+    end
+
+    context 'substracting time' do
+      before do
+        spend_time(1800)
+      end
+
+      it 'should update the total time spent' do
+        spend_time(-900)
+
+        expect(issue.total_time_spent).to eq(900)
+      end
+
+      context 'when time to substract exceeds the total time spent' do
+        it 'should not alter the total time spent' do
+          spend_time(-3600)
+
+          expect(issue.total_time_spent).to eq(1800)
+        end
+      end
+    end
+  end
 end