Always floor coverage instead of rounding

We do not want to report a 100% coverage when there are lines
that are not covered.

lib/excoveralls/local.ex

@@ -2,8 +2,8 @@ defmodule ExCoveralls.Local do
   @moduledoc """
   Locally displays the result to screen.
   """
-  
-  
+
+
 
   defmodule Count do
     @moduledoc """
@@ -145,16 +145,16 @@ defmodule ExCoveralls.Local do
   end
 
   defp format_info([stat, count]) do
-    coverage = get_coverage(count)
+    coverage = count |>get_coverage() |> Float.floor(1)
     file_width = ExCoveralls.Settings.get_file_col_width
-    print_string("~5.1f% ~-#{file_width}s ~8w ~8w ~8w",
+    print_string("~5w% ~-#{file_width}s ~8w ~8w ~8w",
       [coverage, stat[:name], count.lines, count.relevant, count.relevant - count.covered])
   end
 
   defp format_total(info) do
     totals   = Enum.reduce(info, %Count{}, fn([_, count], acc) -> append(count, acc) end)
-    coverage = get_coverage(totals)
-    print_string("[TOTAL] ~5.1f%", [coverage])
+    coverage = totals |> get_coverage() |> Float.floor(1)
+    print_string("[TOTAL] ~5w%", [coverage])
   end
 
   defp append(a, b) do

lib/excoveralls/stats.ex

@@ -207,7 +207,7 @@ defmodule ExCoveralls.Stats do
     if value == trunc(value) do
       trunc(value)
     else
-      Float.round(value, 1)
+      Float.floor(value, 1)
     end
   end
 

test/stats_test.exs

@@ -133,7 +133,7 @@ defmodule ExCoveralls.StatsTest do
 
   test "coverage stats are rounded to one decimal place" do
     results = Stats.source(@fractional_source_info)
-    assert(results.coverage == 66.7)
+    assert(results.coverage == 66.6)
   end
 
   describe "update_stats/2" do