1 files changed, 59 insertions, 0 deletions
diff --git a/spec/helpers/blame_helper_spec.rb b/spec/helpers/blame_helper_spec.rb
new file mode 100644
index 00000000000..b4368516d83
--- /dev/null
+++ b/spec/helpers/blame_helper_spec.rb
@@ -0,0 +1,59 @@
+require 'spec_helper'
+
+describe BlameHelper do
+  describe '#get_age_map_start_date' do
+    let(:dates) do
+      [Time.zone.local(2014, 3, 17, 0, 0, 0),
+       Time.zone.local(2011, 11, 2, 0, 0, 0),
+       Time.zone.local(2015, 7, 9, 0, 0, 0),
+       Time.zone.local(2013, 2, 24, 0, 0, 0),
+       Time.zone.local(2010, 9, 22, 0, 0, 0)]
+    end
+    let(:blame_groups) do
+      [
+        { commit: double(committed_date: dates[0]) },
+        { commit: double(committed_date: dates[1]) },
+        { commit: double(committed_date: dates[2]) }
+      ]
+    end
+
+    it 'returns the earliest date from a blame group' do
+      project = double(created_at: dates[3])
+
+      duration = helper.age_map_duration(blame_groups, project)
+
+      expect(duration[:started_days_ago]).to eq((duration[:now] - dates[1]).to_i / 1.day)
+    end
+
+    it 'returns the earliest date from a project' do
+      project = double(created_at: dates[4])
+
+      duration = helper.age_map_duration(blame_groups, project)
+
+      expect(duration[:started_days_ago]).to eq((duration[:now] - dates[4]).to_i / 1.day)
+    end
+  end
+
+  describe '#age_map_class' do
+    let(:dates) do
+      [Time.zone.local(2014, 3, 17, 0, 0, 0)]
+    end
+    let(:blame_groups) do
+      [
+        { commit: double(committed_date: dates[0]) }
+      ]
+    end
+    let(:duration) do
+      project = double(created_at: dates[0])
+      helper.age_map_duration(blame_groups, project)
+    end
+
+    it 'returns blame-commit-age-9 when oldest' do
+      expect(helper.age_map_class(dates[0], duration)).to eq 'blame-commit-age-9'
+    end
+
+    it 'returns blame-commit-age-0 class when newest' do
+      expect(helper.age_map_class(duration[:now], duration)).to eq 'blame-commit-age-0'
+    end
+  end
+end