From 08788a53251792ea997dc66bb635a72ea14e6946 Mon Sep 17 00:00:00 2001
From: Fabrizio Ferrai <fabrizio.ferrai@gmail.com>
Date: Wed, 6 Nov 2019 11:06:28 +0200
Subject: [PATCH] Run the test suite always with UTF8 encoding

---
 CONTRIBUTING.md |  9 ---------
 package.yaml    |  1 +
 test/Main.hs    | 12 ++++++++++++
 test/Spec.hs    |  2 +-
 4 files changed, 14 insertions(+), 10 deletions(-)
 create mode 100644 test/Main.hs

diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index cb81002cb..7e43a3e00 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -83,15 +83,6 @@ $ npm install -g bower
 $ stack test
 ```
 
-note: if you receive the following error from running tests: 
-hGetContents: invalid argument (invalid byte sequence)
-
-You may be missing an environment variable. try the following
-
-```bash
-$ LC_ALL=en_US.iso88591 
-$ stack test
-```
 
 ## Merging changes
 
diff --git a/package.yaml b/package.yaml
index 6cc0f067d..b8e830558 100644
--- a/package.yaml
+++ b/package.yaml
@@ -155,6 +155,7 @@ executables:
 tests:
   spec:
     defaults: hspec/hspec@master
+    main: Main
     ghc-options:
     - -threaded
     - -rtsopts
diff --git a/test/Main.hs b/test/Main.hs
new file mode 100644
index 000000000..34520747e
--- /dev/null
+++ b/test/Main.hs
@@ -0,0 +1,12 @@
+module Main where
+
+import Prelude
+
+import Test.Hspec.Runner
+import qualified Spec
+import qualified GHC.IO.Encoding
+
+main :: IO ()
+main = do
+  GHC.IO.Encoding.setLocaleEncoding GHC.IO.Encoding.utf8
+  hspecWith defaultConfig Spec.spec
diff --git a/test/Spec.hs b/test/Spec.hs
index a824f8c30..5416ef6a8 100644
--- a/test/Spec.hs
+++ b/test/Spec.hs
@@ -1 +1 @@
-{-# OPTIONS_GHC -F -pgmF hspec-discover #-}
+{-# OPTIONS_GHC -F -pgmF hspec-discover -optF --module-name=Spec #-}