Add simple integration test framework

tests/run.sh

@@ -0,0 +1,53 @@
+#!/bin/bash
+
+wai=$(dirname $(readlink -f $0))
+out=$(mktemp)
+int=0
+
+passed(){
+    echo -e "$1 ===> \e[32mpassed :)\e[0m"
+}
+
+fail(){
+   echo -e "$1 ===> \e[5m\e[31mfail :(\e[0m"
+}
+
+[ $# -gt 0 ] && [ $1 == "-b" ] && int=1
+
+##### Run Integration Tests #####
+nb_pass=0
+nb_fail=0
+for test in $(find ${wai} -type f -name "test-*.sh")
+do
+    test_name=$(basename $test)
+    expectations="${test_name%.*}.out"
+    bash $test > $out 2>&1
+    log=$(diff -q "${out}" "${expectations}")
+
+    if [ ! -z "$log" ]
+    then
+        fail "${test_name}"
+        nb_fail=$(( nb_fail + 1 ))
+
+        if [ $int -eq 1 ]
+        then
+            echo "========== Diff =========="
+            diff "${out}" "${expectations}"
+            exit 1
+        fi  
+    else
+        nb_pass=$(( nb_test + 1 ))
+        passed "${test_name}"
+    fi
+done
+#################################
+
+
+echo -e "\n===== STATS ====="
+echo "${nb_pass} pass"
+echo "${nb_fail} fails"
+
+##### Clear #####
+rm ${out}
+#################
+