created tests and updated config for them

tempermon.ini

 [serial]
-port=/dev/ttyUSB0
+#port=/dev/ttyUSB0
+port=/tmp/temperature_pts
 baudrate=115200
 timeout=100
 
 [collectd]
-socketpath=/var/run/collectd-unixsock
+#socketpath=/var/run/collectd-unixsock
+socketpath=/tmp/collectd_sock
 hostname=hugin
+interval=1
 
 [mail]
 from=Temperman <root@temperator.stusta.de>
@@ -13,6 +16,19 @@ to=jw@stusta.de,markus.hefele@stusta.de
 to_urgent=jw@stusta.de,markus.hefele@stusta.de
 min_delay_between_messages=3600
 
+[warning]
+floor_sensors=Test
+ceiling_sensors=Test2
+
+min_ceiling_warning=35
+floor_ceiling_diff=15
+ceiling_warning_level=40
+
+
 [testsensor]
 name=Test
 calibration=5
+
+[sensortest]
+name=Test2
+calibration=5

test/collectdmock.py

+#!/usr/bin/env python3
+
+import sys
+
+for line in sys.stdin:
+    print("Ack")
+    sys.stdout.flush()

test/run_tests.sh

+# IMPORTANT: Set the config to use the right socket path
+
+socat -d PTY,link=/tmp/temperature_pts,echo=0 "EXEC:python3 test.py ...,pty,raw",echo=0 &
+socat UNIX-LISTEN:/tmp/collectd_sock,fork EXEC:"python3 collectdmock.py"
+

test/test.py

+#!/usr/bin/env python3
+import random
+import time
+import sys
+
+delay = 0.1
+
+while True:
+    for _ in range(3):
+        print("testsensor {}".format(random.random() * 40))
+        print("sensortest {}".format(random.random() * 40))
+        print()
+        time.sleep(delay)
+
+    print("Sensor Error test", file=sys.stderr)
+    print("testsensor {}".format(9001))
+    print("sensortest {}".format(random.random() * 40))
+    print()
+    time.sleep(delay)
+
+
+    for _ in range(3):
+        print("testsensor {}".format(random.random() * 40))
+        print("sensortest {}".format(random.random() * 40))
+        print()
+        time.sleep(delay)
+
+    print("Missing sensor test", file=sys.stderr)
+    print("sensortest {}".format(random.random() * 40))
+    print()
+    time.sleep(delay)
+
+    for _ in range(3):
+        print("testsensor {}".format(random.random() * 40))
+        print("sensortest {}".format(random.random() * 40))
+        print()
+        time.sleep(delay)
+
+    print("Extra sensor test", file=sys.stderr)
+    print("idonotexist {}".format(random.random() * 40))
+    print("testsensor {}".format(random.random() * 40))
+    print("sensortest {}".format(random.random() * 40))
+    print()
+    time.sleep(delay)
+
+
+    for _ in range(3):
+        print("testsensor {}".format(random.random() * 40))
+        print("sensortest {}".format(random.random() * 40))
+        print()
+        time.sleep(delay)
+
+    print("Too Hot Test", file=sys.stderr)
+    print("testsensor {}".format(45))
+    print("sensortest {}".format(40))
+    print()
+    time.sleep(delay)
+
+    for _ in range(3):
+        print("testsensor {}".format(random.random() * 40))
+        print("sensortest {}".format(random.random() * 40))
+        print()
+        time.sleep(delay)
+
+    print("high diff test", file=sys.stderr)
+    print("testsensor {}".format(45))
+    print("sensortest {}".format(25))
+    print()
+    time.sleep(delay)