add @doc for inject_poison/0 for #35

lib/elixir_auth_google.ex

@@ -7,6 +7,11 @@ defmodule ElixirAuthGoogle do
   @google_token_url "https://oauth2.googleapis.com/token"
   @google_user_profile "https://www.googleapis.com/oauth2/v3/userinfo"
 
+  @doc """
+  `inject_poison/0` injects a TestDouble of HTTPoison in Test
+  so that we don't have duplicate mock in consuming apps.
+  see: https://github.com/dwyl/elixir-auth-google/issues/35
+  """
   def inject_poison() do
     Mix.env() == :test && ElixirAuthGoogle.HTTPoisonMock || HTTPoison
   end
@@ -71,7 +76,6 @@ defmodule ElixirAuthGoogle do
     })
     inject_poison().post(@google_token_url, body)
     |> parse_body_response()
-    # |> IO.inspect(label: "get_token() response")
   end
 
   @doc """
@@ -84,11 +88,9 @@ defmodule ElixirAuthGoogle do
   """
   @spec get_user_profile(String.t) :: String.t
   def get_user_profile(token) do
-    httpoison = inject_poison()
     "#{@google_user_profile}?access_token=#{token}"
-    |> httpoison.get()
+    |> inject_poison().get()
     |> parse_body_response()
-    # |> IO.inspect(label: "get_user_profile() response")
   end
 
   @doc """

lib/httpoison_mock.ex

@@ -9,15 +9,13 @@ defmodule ElixirAuthGoogle.HTTPoisonMock do
   Obviously, don't invoke it from your App unless you want people to see fails.
   """
   def get("https://www.googleapis.com/oauth2/v3/userinfo?access_token=wrong_token") do
-    # IO.inspect("HTTPoisonMock.get access_token=wrong_token")
     {:error, :bad_request}
   end
 
   @doc """
   get/1 using a dummy _url to test body decoding.
   """
   def get(_url) do
-    # IO.inspect("HTTPoisonMock.get %{name: dwyl}")
     {:ok, %{body: Poison.encode!(
      %{
        email: "nelson@gmail.com",
@@ -36,7 +34,6 @@ defmodule ElixirAuthGoogle.HTTPoisonMock do
   post/2 passing in dummy _url & _body to test return of access_token.
   """
   def post(_url, _body) do
-    # IO.inspect("HTTPoisonMock.post %{ccess_token: token1}")
     {:ok, %{body: Poison.encode!(%{access_token: "token1"})}}
   end
 end

mix.exs

@@ -2,7 +2,7 @@ defmodule ElixirAuthGoogle.MixProject do
   use Mix.Project
 
   @description "Minimalist Google OAuth Authentication for Elixir Apps"
-  @version "1.1.5"
+  @version "1.2.0"
 
   def project do
     [