Makes time_zone_database configurable

Author: brianberlin

lib/cocktail/time.ex

@@ -340,6 +340,6 @@ defmodule Cocktail.Time do
   def parse(_, _), do: {:error, :invalid_format}
 
   defp get_time_zone_datebase do
-    Application.get_env(:elixir, :time_zone_database, Tzdata.TimeZoneDatabase)
+    Application.get_env(:elixir, :time_zone_database)
   end
 end

mix.exs

@@ -81,7 +81,7 @@ defmodule Cocktail.Mixfile do
       {:dialyxir, "~> 1.0", only: [:dev, :test], runtime: false},
       {:ex_doc, "~> 0.23", only: :dev, runtime: false},
       {:excoveralls, "~> 0.10", only: :test},
-      {:tzdata, "~> 1.1"}
+      {:tzdata, "~> 1.1", only: :test}
     ]
   end
 end

test/test_helper.exs

@@ -1,4 +1,4 @@
 ExUnit.configure(exclude: [pending: true], formatters: [ExUnit.CLIFormatter, ExUnitNotifier])
 ExUnit.start()
-
+Application.put_env(:elixir, :time_zone_database, Tzdata.TimeZoneDatabase)
 Code.require_file("test/support/datetime_sigil.ex")