From 533619c27d9cc3919bed540ea7f04bebddc71cbe Mon Sep 17 00:00:00 2001
From: xengineering <me@xengineering.eu>
Date: Tue, 29 Nov 2022 21:02:16 +0100
Subject: Add first unit test

This should kick off the infrastructure for unit tests. This can still
be improved but getting started is important to make it easier to add
unit tests and thus improving the quality.
---
 Makefile               | 10 ++++++++--
 tests/get_domainpart.c | 23 +++++++++++++++++++++++
 xmpp.h                 |  1 +
 3 files changed, 32 insertions(+), 2 deletions(-)
 create mode 100644 tests/get_domainpart.c

diff --git a/Makefile b/Makefile
index 18bde1e..f692264 100644
--- a/Makefile
+++ b/Makefile
@@ -1,10 +1,16 @@
 .PHONY: all clean
 
-all: build
+all: build/limox build/tests/get_domainpart
+	./build/tests/get_domainpart
+
+build/limox: build
 	gcc main.c gui.c xmpp.c -o build/limox -lSDL2
 
+build/tests/get_domainpart: build
+	gcc tests/get_domainpart.c xmpp.c -o build/tests/get_domainpart -I.
+
 build:
-	mkdir -p build
+	mkdir -p build/tests
 
 clean:
 	rm -rf build
diff --git a/tests/get_domainpart.c b/tests/get_domainpart.c
new file mode 100644
index 0000000..e05aee1
--- /dev/null
+++ b/tests/get_domainpart.c
@@ -0,0 +1,23 @@
+
+
+#include <string.h>
+#include <stdio.h>
+
+#include "xmpp.h"
+
+
+int main(void)
+{
+	char *input = "test@example.org/3f";
+	const char *expected = "example.org";
+
+	char *result = get_domainpart(input);
+
+	if (strcmp(result, expected) == 0) {
+		printf("Unit test passed - ok\n");
+		return 0;
+	} else {
+		printf("'%s' != '%s'!\n", result, expected);
+		return 1;
+	}
+}
diff --git a/xmpp.h b/xmpp.h
index b07e3b9..03b3dbd 100644
--- a/xmpp.h
+++ b/xmpp.h
@@ -1 +1,2 @@
 void xmpp_connect(void);
+char *get_domainpart(char *jid);
-- 
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