diff --git a/test.sh b/test.sh
new file mode 100755
index 0000000..5f7fe9f
--- /dev/null
+++ b/test.sh
@@ -0,0 +1,130 @@
+#!/bin/sh
+
+assert()
+{
+    local name=$1
+    local sub=$2
+
+    if [[ -z "$sub" ]]
+    then
+        return 1
+    fi
+
+    local OK="\\033[1;32m"
+    local NOK="\\033[1;31m"
+    local RAZ="\\033[0;39m"
+
+    if [[ "$PS1" == *$sub* ]]
+    then
+        echo -e "${OK}$name\tOK${RAZ}"
+    else
+        echo -e "${NOK}$name\tNO${RAZ}\t$sub"
+    fi
+}
+
+
+#####################
+# REDEFINE COMMANDS #
+#####################
+
+command()
+{
+    echo "fake command $@" 1>&2
+    echo "/bin/fake"
+}
+
+uname()
+{
+    echo "fake uname $@" 1>&2
+    echo Linux
+}
+
+nproc()
+{
+    echo "fake uname $@" 1>&2
+    echo 2
+}
+
+# battery
+acpi()
+{
+    echo "fake acpi $@" 1>&2
+    echo 'Battery 0: Discharging, 55%, 01:39:34 remaining'
+}
+
+
+git()
+{
+    echo "fake git $@" 1>&2
+    case $1 in
+        "rev-parse" )
+            echo ".git";;
+        "branch" )
+            echo "* fake_test";;
+        "diff" )
+            echo "";;
+        "status" )
+            echo "# Untracked";;
+        "rev-list" )
+            echo "111";;
+    esac
+}
+
+# global variables
+export http_proxy="fake"
+
+
+################
+# ADHOC CONFIG #
+################
+
+export LP_BATTERY_THRESHOLD=60
+export LP_LOAD_THRESHOLD=1
+export LP_MARK_PROXY="proxy"
+export LP_MARK_BATTERY="BATT"
+export LP_MARK_LOAD="LOAD"
+export LP_MARK_UNTRACKED="untracked"
+export LP_MARK_GIT="gitmark"
+
+
+##########################
+# Call the liquid prompt #
+##########################
+
+# As if we were in an interactive shell
+export PS1="fake prompt \$"
+# load functions
+source ./liquidprompt
+
+# Force liquid prompt function redefinition
+_lp_cpu_load()
+{
+    echo "fake _lp_cpu_load $@" 1>&2
+    echo "64"
+}
+
+# Force erroneous command
+fake_error
+
+# Force set prompt
+_lp_set_prompt
+
+
+#########
+# TESTS #
+#########
+
+echo -e "$PS1"
+
+assert Battery BATT55%
+assert Load LOAD32%
+assert User "[\\\u"
+assert Perms :
+assert Path $(pwd | sed -e "s|$HOME|~|")
+assert Proxy proxy
+assert Error 127
+echo GIT
+assert Branch fake_test
+assert Commits 111
+assert Untrack untracked
+assert Mark gitmark