Fix issue parroty#43: Formatter fails with no configured tests

README.md

@@ -12,7 +12,7 @@ First add ExCheck and [triq][triq] to your project's dependencies in `mix.exs`.
 ```Elixir
   defp deps do
     [
-      {:excheck, git: "https://github.com/devstopfix/excheck.git", tag: "0.7.4", only: :test},
+      {:excheck, git: "https://github.com/devstopfix/excheck.git", tag: "0.7.5", only: :test},
       {:triq, "~> 1.3"}
     ]
   end

lib/excheck.ex

@@ -50,7 +50,7 @@ defmodule ExCheck do
         example = :triq.counterexample()
         {:error, %ExCheck.Error{message: "check failed: Counterexample: #{inspect example}"}}
       {:EXIT, %{__struct__: _, message: _} = e} ->
-        example = :triq.counterexample()
+        _example = :triq.counterexample()
         {:error, e}
       error ->
         example = :triq.counterexample()

lib/excheck/formatter.ex

@@ -50,7 +50,9 @@ defmodule ExCheck.Formatter do
     tests_counter + ExCheck.TriqAgent.get_tests_count
   end
 
-  defp update_tests_counter(tests_counter) when is_map(tests_counter) do
+  defp update_tests_counter(%{test: _} = tests_counter) when is_map(tests_counter) do
     %{tests_counter | test: tests_counter.test + ExCheck.TriqAgent.get_tests_count}
   end
+
+  defp update_tests_counter(m) when is_map(m), do: m
 end

mix.exs

@@ -7,7 +7,7 @@ defmodule ExCheck.Mixfile do
       name: "ExCheck",
       source_url: "https://github.com/devstopfix/excheck",
       homepage_url: "https://github.com/parroty/ExCheck.git",
-      version: "0.7.4",
+      version: "0.7.5",
       elixir: "~> 1.5",
       deps: deps(),
       description: description(),