From ed4002ab3b709667e76471bbaa8eb62689d9df70 Mon Sep 17 00:00:00 2001
From: vv01f <vv01f@users.noreply.github.com>
Date: Sat, 16 Nov 2019 22:25:41 +0100
Subject: [PATCH] impl. tests

---
 dhl.sh | 44 ++++++++++++++++++++++++++++++++++----------
 1 file changed, 34 insertions(+), 10 deletions(-)

diff --git a/dhl.sh b/dhl.sh
index bed8bc0..7f272a3 100755
--- a/dhl.sh
+++ b/dhl.sh
@@ -38,17 +38,41 @@ iso3countrycode () {
 	fi
 }
 
+testcmp () {
+	if test "$#" -eq 0 ; then
+		echo "arguments missing."; exit 1
+	fi
+	case $2 in 
+	#whitelisted fn
+	iso3countrycode)
+		expected="$1"
+		shift
+		fn="$1"
+		shift
+		for a in "$@"; do 
+			result=$("$fn" "$a")
+			if test "$result" = "$expected" ; then
+				echo "$fn passed for: $a."
+			else
+				echo "$fn failed for: $a."
+			fi
+		done
+		;;
+	*)
+		echo "no test performed"
+	esac
+}
+
 testiso3 () {
 	# covering data in https://doku.ccc.de/index.php?title=Attribut:Chaostreff-Country&limit=500&offset=0
-	iso3countrycode "Belgien"
-	iso3countrycode "Deutschland"
-	iso3countrycode "England"
-	iso3countrycode "Luxembourg"
-	iso3countrycode "Luxemburg"
-	iso3countrycode "Niederlande"
-	iso3countrycode "Österreich"
-	iso3countrycode "Ungarn"
-	iso3countrycode "Schweiz"
-	iso3countrycode "Simbabwe" # should fail
+	testcmp "BEL" "iso3countrycode" "Belgien"
+	testcmp "DEU" "iso3countrycode" "Deutschland"
+	testcmp "GBR" "iso3countrycode" "England"
+	testcmp "LUX" "iso3countrycode" "Luxembourg" "Luxemburg"
+	testcmp "NLD" "iso3countrycode" "Niederlande"
+	testcmp "AUT" "iso3countrycode" "Österreich"
+	testcmp "HUN" "iso3countrycode" "Ungarn"
+	testcmp "CHE" "iso3countrycode" "Schweiz"
+	testcmp "" "iso3countrycode" "Simbabwe" # should fail
 }
 testiso3