diff --git a/spec/integration/repo_spec.rb b/spec/integration/repo_spec.rb
index 04f69b522..2a1ab4560 100644
--- a/spec/integration/repo_spec.rb
+++ b/spec/integration/repo_spec.rb
@@ -41,4 +41,32 @@ describe GitStats::GitData::Repo do
     repo.lines_by_extension.should == {'.haml' => 100, '.txt' => 1008, '.rb' => 6}
   end
 
+  context 'activity' do
+    let(:activity) { repo.activity }
+
+    it 'should count commits by hour' do
+      activity.by_hour.should == {10 => 4, 12 => 3, 13 => 1, 15 => 1, 17 => 1}
+    end
+
+    it 'should count commits by day of week' do
+      activity.by_wday.should == {0 => 3, 3 => 1, 5 => 5, 6 => 1}
+    end
+
+    it 'should count commits by day of week and hour' do
+      activity.by_wday_hour.should == {0 => {12 => 2, 13 => 1}, 3 => {15 => 1}, 5 => {10 => 4, 17 => 1}, 6 => {12 => 1}}
+    end
+
+    it 'should count commits by month' do
+      activity.by_month.should == {10 => 10}
+    end
+
+    it 'should count commits by year' do
+      activity.by_year.should == {2012 => 10}
+    end
+
+    it 'should count commits by year and month' do
+      activity.by_year_month.should == {2012 => {10 => 10}}
+    end
+  end
+
 end
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