From 93a85753aec67c677d0da24a17d86ba7ae4c274b Mon Sep 17 00:00:00 2001
From: Taylor Fausak <taylor@fausak.me>
Date: Wed, 7 Aug 2013 15:08:48 -0500
Subject: [PATCH] Fix #39; add message to invalid interaction error

---
 lib/active_interaction/base.rb | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/active_interaction/base.rb b/lib/active_interaction/base.rb
index 511f6991..b4f332b4 100644
--- a/lib/active_interaction/base.rb
+++ b/lib/active_interaction/base.rb
@@ -121,7 +121,9 @@ def self.run(options = {})
     # @return The return value of {#execute}.
     def self.run!(options = {})
       outcome = run(options)
-      raise InteractionInvalid if outcome.invalid?
+      if outcome.invalid?
+        raise InteractionInvalid, outcome.errors.full_messages.join(', ')
+      end
       outcome.result
     end