spec/lib/tabs/metrics/value/stats_spec.rb in tabs-0.8.0 vs spec/lib/tabs/metrics/value/stats_spec.rb in tabs-0.8.1

@@ -36,6 +36,26 @@
 
   it "avg returns the average for the entire set" do
     expect(stats.avg).to eq 16.76
   end
 
+  it "avg returns 0 if set is empty" do
+    stats = Tabs::Metrics::Value::Stats.new(period, resolution, [])
+    expect(stats.avg).to be_zero
+  end
+
+  context "override decimal precision" do
+    before do
+      @precision = Tabs.config.decimal_precision
+      Tabs.config.decimal_precision = 1
+    end
+
+    after do
+      Tabs.config.decimal_precision = @precision
+    end
+
+    it "allows you to override decimal precision" do
+      expect(stats.avg).to eq 16.8
+    end
+  end
+
 end