Merge pull request #22 from lpil/fix/runtime-config

Resolve config at runtime rather than compile time

lib/excheck.ex

@@ -6,8 +6,6 @@ defmodule ExCheck do
   add 'use ExCheck' in the ExUnit test files.
   """
 
-  @iterations Application.get_env(:excheck, :number_iterations, 100)
-
   defmacro __using__(_opts \\ []) do
     quote do
       import ExCheck.Predicate
@@ -43,7 +41,8 @@ defmodule ExCheck do
   If the module name is specified, check all the methods prefixed with 'prop_'.
   """
   def check(target, iterations \\ :nil) do
-    case :triq.check(target, iterations || @iterations) do
+    default_iterations = Application.get_env(:excheck, :number_iterations, 100)
+    case :triq.check(target, iterations || default_iterations) do
       true ->
         true
       false ->

lib/excheck/statement.ex

@@ -2,7 +2,6 @@ defmodule ExCheck.Statement do
   @moduledoc """
   Provides macros for test statements.
   """
-  @iteration_count Application.get_env(:excheck, :number_iterations, 100)
 
   @doc """
   Generate property method and ExUnit tests.
@@ -36,7 +35,8 @@ defmodule ExCheck.Statement do
   It corresonds to triq#check_forall method.
   """
   def verify_property({:"prop:forall", domain, _syntax, fun, _body}) do
-    verify_property(0, @iteration_count, domain, fun, 0)
+    iterations = Application.get_env(:excheck, :number_iterations, 100)
+    verify_property(0, iterations, domain, fun, 0)
   end
 
   defp verify_property(n, n, _domain, _fun, _count), do: true