Do not warn on case template teardown/teardown_all definition

Author: José Valim

lib/ex_unit/lib/ex_unit/callbacks.ex

@@ -129,9 +129,11 @@ defmodule ExUnit.Callbacks do
   end
 
   @doc false
-  defmacro teardown(var \\ quote(do: _), block) do
-    IO.write :stderr, "teardown in ExUnit is deprecated, please use on_exit/1 instead\n" <>
-                      Exception.format_stacktrace(Macro.Env.stacktrace(__CALLER__))
+  defmacro teardown(var \\ quote(do: _), warn \\ true, block) do
+    if warn do
+      IO.write :stderr, "teardown in ExUnit is deprecated, please use on_exit/1 instead\n" <>
+                        Exception.format_stacktrace(Macro.Env.stacktrace(__CALLER__))
+    end
     quote bind_quoted: [var: escape(var), block: escape(block)] do
       name = :"__ex_unit_teardown_#{length(@ex_unit_teardown)}"
       defp unquote(name)(unquote(var)), unquote(block)
@@ -140,9 +142,11 @@ defmodule ExUnit.Callbacks do
   end
 
   @doc false
-  defmacro teardown_all(var \\ quote(do: _), block) do
-    IO.write :stderr, "teardown_all in ExUnit is deprecated, please use on_exit/1 instead\n" <>
-                      Exception.format_stacktrace(Macro.Env.stacktrace(__CALLER__))
+  defmacro teardown_all(var \\ quote(do: _), warn \\ true, block) do
+    if warn do
+      IO.write :stderr, "teardown_all in ExUnit is deprecated, please use on_exit/1 instead\n" <>
+                        Exception.format_stacktrace(Macro.Env.stacktrace(__CALLER__))
+    end
     quote bind_quoted: [var: escape(var), block: escape(block)] do
       name = :"__ex_unit_teardown_all_#{length(@ex_unit_teardown_all)}"
       defp unquote(name)(unquote(var)), unquote(block)

lib/ex_unit/lib/ex_unit/case_template.ex

@@ -3,7 +3,7 @@ defmodule ExUnit.CaseTemplate do
   This module allows a developer to define a test case
   template to be used throughout his tests. This is useful
   when there are a set of functions that should be shared
-  between tests or a set of setup/teardown callbacks.
+  between tests or a set of setup callbacks.
 
   By using this module, the callbacks and assertions
   available for regular test cases will also be available.
@@ -57,12 +57,12 @@ defmodule ExUnit.CaseTemplate do
         unquote(module).__ex_unit__(:setup, context)
       end
 
-      teardown context do
-        unquote(module).__ex_unit__(:teardown, context)
+      teardown_all context, false do
+        unquote(module).__ex_unit__(:teardown_all, context)
       end
 
-      teardown_all context do
-        unquote(module).__ex_unit__(:teardown_all, context)
+      teardown context, false do
+        unquote(module).__ex_unit__(:teardown, context)
       end
     end
   end