Integrate excoverals into test stack

1 files changed, 78 insertions, 1 deletions

diff --git a/mix.exs b/mix.exs
index 2859da3d1..4432b1c83 100644
--- a/mix.exs
+++ b/mix.exs
@@ -1,3 +1,25 @@
+defmodule CoverTool do
+  def start(path, options) do
+    {dirs, options} = Keyword.pop(options, :dirs, [])
+    fun = ExCoveralls.start(path, options)
+    Mix.shell().info("Cover compiling modules ...")
+    :cover.stop()
+    :cover.start()
+
+    Enum.each(dirs, fn path ->
+      path
+      |> Path.expand(__DIR__)
+      |> String.to_charlist()
+      |> :cover.compile_beam_directory()
+    end)
+
+    ExCoveralls.ConfServer.start()
+    ExCoveralls.ConfServer.set(options)
+    ExCoveralls.StatServer.start()
+    fun
+  end
+end
+
 defmodule CouchDBTest.Mixfile do
   use Mix.Project
 
@@ -15,7 +37,12 @@ defmodule CouchDBTest.Mixfile do
       deps: deps(),
       consolidate_protocols: Mix.env() not in [:test, :dev, :integration],
       test_paths: get_test_paths(Mix.env()),
-      elixirc_paths: elixirc_paths(Mix.env())
+      elixirc_paths: elixirc_paths(Mix.env()),
+      test_coverage: [
+        tool: CoverTool,
+        dirs: get_coverage_paths(),
+        type: "html"
+      ]
     ]
   end
 
@@ -37,6 +64,7 @@ defmodule CouchDBTest.Mixfile do
     [
       {:junit_formatter, "~> 3.0", only: [:dev, :test, :integration]},
       {:httpotion, ">= 3.1.3", only: [:dev, :test, :integration], runtime: false},
+      {:excoveralls, "~> 0.12", only: :test},
       {:jiffy, path: Path.expand("src/jiffy", __DIR__)},
       {:ibrowse,
        path: Path.expand("src/ibrowse", __DIR__), override: true, compile: false},
@@ -58,4 +86,53 @@ defmodule CouchDBTest.Mixfile do
   def get_test_paths(_) do
     []
   end
+
+  defp get_deps_paths() do
+    deps = [
+      "bunt",
+      "certifi",
+      "credo",
+      "excoveralls",
+      "hackney",
+      "httpotion",
+      "ibrowse",
+      "idna",
+      "jason",
+      "jiffy",
+      "junit_formatter",
+      "metrics",
+      "mimerl",
+      "parse_trans",
+      "ssl_verify_fun",
+      "unicode_util_compat",
+      "b64url",
+      "bear",
+      "mochiweb",
+      "snappy",
+      "triq",
+      "rebar",
+      "proper",
+      "mochiweb",
+      "meck",
+      "khash",
+      "hyper",
+      "fauxton",
+      "folsom",
+      "hqueue"
+    ]
+
+    deps |> Enum.map(fn app -> "src/#{app}" end)
+  end
+
+  defp get_coverage_paths() do
+    deps =
+      get_deps_paths()
+      |> Enum.reduce(MapSet.new(), fn x, set ->
+        MapSet.put(set, "#{x}/ebin")
+      end)
+
+    Path.wildcard("src/*/ebin")
+    |> Enum.filter(&File.dir?/1)
+    |> Enum.filter(fn path -> not MapSet.member?(deps, path) end)
+  end
 end