1 files changed, 34 insertions, 0 deletions
diff --git a/spec/helpers/application_helper_spec.rb b/spec/helpers/application_helper_spec.rb
index bc6aa3b..984becf 100644
--- a/spec/helpers/application_helper_spec.rb
+++ b/spec/helpers/application_helper_spec.rb
@@ -54,4 +54,38 @@ describe ApplicationHelper do
       end
     end
   end
+
+  describe "#duration_in_words" do
+    it "returns minutes and seconds" do
+      intervals_in_words = {
+        100 => "1 minute 40 seconds",
+        121 => "2 minutes 1 second",
+        3721 => "62 minutes 1 second",
+        0 => "0 seconds"
+      }
+
+      intervals_in_words.each do |interval, expectation|
+        duration_in_words(Time.now + interval, Time.now).should == expectation
+      end
+    end
+
+    it "calculates interval from now if there is no finished_at" do
+      duration_in_words(nil, Time.now - 5).should == "5 seconds"
+    end
+  end
+
+  describe "#time_interval_in_words" do
+    it "returns minutes and seconds" do
+      intervals_in_words = {
+        100 => "1 minute 40 seconds",
+        121 => "2 minutes 1 second",
+        3721 => "62 minutes 1 second",
+        0 => "0 seconds"
+      }
+
+      intervals_in_words.each do |interval, expectation|
+        time_interval_in_words(interval).should == expectation
+      end
+    end
+  end
 end