diff --git a/scorometer/tests/perfect_play/input b/scorometer/tests/perfect_play/input
new file mode 100644
index 0000000..311847d
--- /dev/null
+++ b/scorometer/tests/perfect_play/input
@@ -0,0 +1,2 @@
+{}
+
diff --git a/scorometer/tests/perfect_play/output b/scorometer/tests/perfect_play/output
new file mode 100644
index 0000000..83a6d68
--- /dev/null
+++ b/scorometer/tests/perfect_play/output
@@ -0,0 +1,2 @@
+wowoa
+
diff --git a/scorometer/tests/runner.sh b/scorometer/tests/runner.sh
new file mode 100755
index 0000000..d51e60f
--- /dev/null
+++ b/scorometer/tests/runner.sh
@@ -0,0 +1,36 @@
+#!/bin/sh
+
+TESTS_DONE=0
+TESTS_SUCCESS=0
+
+function test {
+  cat $1/input | python3 ../main.py &> /tmp/scorometer_res
+  TESTS_DONE=$((TESTS_DONE + 1))
+  if ! diff $1/output /tmp/scorometer_res &>/dev/null; then
+    echo "$t failed, do runner.sh $t for more info"
+  else
+    TESTS_SUCCESS=$((TESTS_SUCCESS + 1))
+  fi
+}
+
+if [ -z "$1" ];
+then
+  for t in */; do
+    test $t
+  done
+  echo "$TESTS_SUCCESS succeeded"
+  echo "$TESTS_DONE done"
+else
+  cat $1/input | python3 ../main.py &> /tmp/scorometer_res
+  cho "=========== CURRENT OUTPUT ==========="
+  cat /tmp/scorometer_res
+  echo "======================================"
+  echo "=========== EXPECTED OUTPUT =========="
+  cat $1/output
+  echo "======================================"
+  echo "=============== DIFF ================="
+  diff --side-by-side /tmp/scorometer_res $1/output
+  echo "======================================"
+  e
+fi;
+