diff --git a/tests/test_ini.sh b/tests/test_ini.sh
new file mode 100755
index 0000000..b0dc6b1
--- /dev/null
+++ b/tests/test_ini.sh
@@ -0,0 +1,220 @@
+#!/usr/bin/env bash
+
+# Tests for DevStack INI functions
+
+TOP=$(cd $(dirname "$0")/.. && pwd)
+
+# Import common functions
+source $TOP/functions
+
+
+echo "Testing INI functions"
+
+cat >test.ini <<EOF
+[default]
+# comment an option
+#log_file=./log.conf
+log_file=/etc/log.conf
+handlers=do not disturb
+
+[aaa]
+# the commented option should not change
+#handlers=cc,dd
+handlers = aa, bb
+
+[bbb]
+handlers=ee,ff
+
+[ ccc ]
+spaces  =  yes
+
+[ddd]
+empty =
+
+[eee]
+multi = foo1
+multi = foo2
+EOF
+
+# Test with missing arguments
+
+BEFORE=$(cat test.ini)
+
+echo -n "iniset: test missing attribute argument: "
+iniset test.ini aaa
+NO_ATTRIBUTE=$(cat test.ini)
+if [[ "$BEFORE" == "$NO_ATTRIBUTE" ]]; then
+    echo "OK"
+else
+    echo "failed"
+fi
+
+echo -n "iniset: test missing section argument: "
+iniset test.ini
+NO_SECTION=$(cat test.ini)
+if [[ "$BEFORE" == "$NO_SECTION" ]]; then
+    echo "OK"
+else
+    echo "failed"
+fi
+
+# Test with spaces
+
+VAL=$(iniget test.ini aaa handlers)
+if [[ "$VAL" == "aa, bb" ]]; then
+    echo "OK: $VAL"
+else
+    echo "iniget failed: $VAL"
+fi
+
+iniset test.ini aaa handlers "11, 22"
+
+VAL=$(iniget test.ini aaa handlers)
+if [[ "$VAL" == "11, 22" ]]; then
+    echo "OK: $VAL"
+else
+    echo "iniget failed: $VAL"
+fi
+
+# Test with spaces in section header
+
+VAL=$(iniget test.ini " ccc " spaces)
+if [[ "$VAL" == "yes" ]]; then
+    echo "OK: $VAL"
+else
+    echo "iniget failed: $VAL"
+fi
+
+iniset test.ini "b b" opt_ion 42
+
+VAL=$(iniget test.ini "b b" opt_ion)
+if [[ "$VAL" == "42" ]]; then
+    echo "OK: $VAL"
+else
+    echo "iniget failed: $VAL"
+fi
+
+# Test without spaces, end of file
+
+VAL=$(iniget test.ini bbb handlers)
+if [[ "$VAL" == "ee,ff" ]]; then
+    echo "OK: $VAL"
+else
+    echo "iniget failed: $VAL"
+fi
+
+iniset test.ini bbb handlers "33,44"
+
+VAL=$(iniget test.ini bbb handlers)
+if [[ "$VAL" == "33,44" ]]; then
+    echo "OK: $VAL"
+else
+    echo "iniget failed: $VAL"
+fi
+
+# test empty option
+if ini_has_option test.ini ddd empty; then
+    echo "OK: ddd.empty present"
+else
+    echo "ini_has_option failed: ddd.empty not found"
+fi
+
+# test non-empty option
+if ini_has_option test.ini bbb handlers; then
+    echo "OK: bbb.handlers present"
+else
+    echo "ini_has_option failed: bbb.handlers not found"
+fi
+
+# test changing empty option
+iniset test.ini ddd empty "42"
+
+VAL=$(iniget test.ini ddd empty)
+if [[ "$VAL" == "42" ]]; then
+    echo "OK: $VAL"
+else
+    echo "iniget failed: $VAL"
+fi
+
+# Test section not exist
+
+VAL=$(iniget test.ini zzz handlers)
+if [[ -z "$VAL" ]]; then
+    echo "OK: zzz not present"
+else
+    echo "iniget failed: $VAL"
+fi
+
+iniset test.ini zzz handlers "999"
+
+VAL=$(iniget test.ini zzz handlers)
+if [[ -n "$VAL" ]]; then
+    echo "OK: zzz not present"
+else
+    echo "iniget failed: $VAL"
+fi
+
+# Test option not exist
+
+VAL=$(iniget test.ini aaa debug)
+if [[ -z "$VAL" ]]; then
+    echo "OK aaa.debug not present"
+else
+    echo "iniget failed: $VAL"
+fi
+
+if ! ini_has_option test.ini aaa debug; then
+    echo "OK aaa.debug not present"
+else
+    echo "ini_has_option failed: aaa.debug"
+fi
+
+iniset test.ini aaa debug "999"
+
+VAL=$(iniget test.ini aaa debug)
+if [[ -n "$VAL" ]]; then
+    echo "OK aaa.debug present"
+else
+    echo "iniget failed: $VAL"
+fi
+
+# Test comments
+
+inicomment test.ini aaa handlers
+
+VAL=$(iniget test.ini aaa handlers)
+if [[ -z "$VAL" ]]; then
+    echo "OK"
+else
+    echo "inicomment failed: $VAL"
+fi
+
+# Test multiple line iniset/iniget
+iniset_multiline test.ini eee multi bar1 bar2
+
+VAL=$(iniget_multiline test.ini eee multi)
+if [[ "$VAL" == "bar1 bar2" ]]; then
+    echo "OK: iniset_multiline"
+else
+    echo "iniset_multiline failed: $VAL"
+fi
+
+# Test iniadd with exiting values
+iniadd test.ini eee multi bar3
+VAL=$(iniget_multiline test.ini eee multi)
+if [[ "$VAL" == "bar1 bar2 bar3" ]]; then
+    echo "OK: iniadd"
+else
+    echo "iniadd failed: $VAL"
+fi
+
+# Test iniadd with non-exiting values
+iniadd test.ini eee non-multi foobar1 foobar2
+VAL=$(iniget_multiline test.ini eee non-multi)
+if [[ "$VAL" == "foobar1 foobar2" ]]; then
+    echo "OK: iniadd with non-exiting value"
+else
+    echo "iniadd with non-exsting failed: $VAL"
+fi
+
+rm test.ini