add test cases

tests/README.md

@@ -0,0 +1,3 @@
+# Arduino Client for MQTT Test Suite
+
+

tests/testcases/mqtt_basic.py

@@ -1,12 +1,43 @@
 import unittest
+import settings
+
+import time
+import mosquitto
+
+import serial
+
+def on_message(mosq, obj, msg):
+  obj.message_queue.append(msg)
 
 class mqtt_basic(unittest.TestCase):
-  def setUp(self):
-    pass
   
+  message_queue = []
+  
+  @classmethod
+  def setUpClass(self):
+    self.client = mosquitto.Mosquitto("pubsubclient_ut", clean_session=True,obj=self)
+    self.client.connect(settings.server_ip)
+    self.client.on_message = on_message
+    self.client.subscribe("outTopic",0)
+
+  @classmethod
+  def tearDownClass(self):
+    self.client.disconnect()
   
   def test_one(self):
-    self.assertEqual(3,3)
+    i=30
+    while len(self.message_queue) == 0 and i > 0:
+      self.client.loop()
+      time.sleep(0.5)
+      i -= 1
+    self.assertTrue(i>0, "message receive timed-out")
+    self.assertEqual(len(self.message_queue), 1, "unexpected number of messages received")
+    msg = self.message_queue[0]
+    self.assertEqual(msg.mid,0,"message id not 0")
+    self.assertEqual(msg.topic,"outTopic","message topic incorrect")
+    self.assertEqual(msg.payload,"hello world")
+    self.assertEqual(msg.qos,0,"message qos not 0")
+    self.assertEqual(msg.retain,False,"message retain flag incorrect")
+    
+    
 
-  def test_two(self):
-    self.assertEqual(4,4)

tests/testcases/mqtt_publish_in_callback.py

@@ -0,0 +1,64 @@
+import unittest
+import settings
+
+import time
+import mosquitto
+
+import serial
+
+def on_message(mosq, obj, msg):
+  obj.message_queue.append(msg)
+
+class mqtt_publish_in_callback(unittest.TestCase):
+  
+  message_queue = []
+  
+  @classmethod
+  def setUpClass(self):
+    self.client = mosquitto.Mosquitto("pubsubclient_ut", clean_session=True,obj=self)
+    self.client.connect(settings.server_ip)
+    self.client.on_message = on_message
+    self.client.subscribe("outTopic",0)
+
+  @classmethod
+  def tearDownClass(self):
+    self.client.disconnect()
+  
+  def test_connect(self):
+    i=30
+    while len(self.message_queue) == 0 and i > 0:
+      self.client.loop()
+      time.sleep(0.5)
+      i -= 1
+    self.assertTrue(i>0, "message receive timed-out")
+    self.assertEqual(len(self.message_queue), 1, "unexpected number of messages received")
+    msg = self.message_queue.pop(0)
+    self.assertEqual(msg.mid,0,"message id not 0")
+    self.assertEqual(msg.topic,"outTopic","message topic incorrect")
+    self.assertEqual(msg.payload,"hello world")
+    self.assertEqual(msg.qos,0,"message qos not 0")
+    self.assertEqual(msg.retain,False,"message retain flag incorrect")
+    
+
+  def test_publish(self):
+    self.assertEqual(len(self.message_queue), 0, "message queue not empty")
+    payload = "abcdefghij"
+    self.client.publish("inTopic",payload)
+    
+    i=30
+    while len(self.message_queue) == 0 and i > 0:
+      self.client.loop()
+      time.sleep(0.5)
+      i -= 1
+
+    self.assertTrue(i>0, "message receive timed-out")
+    self.assertEqual(len(self.message_queue), 1, "unexpected number of messages received")
+    msg = self.message_queue.pop(0)
+    self.assertEqual(msg.mid,0,"message id not 0")
+    self.assertEqual(msg.topic,"outTopic","message topic incorrect")
+    self.assertEqual(msg.payload,payload)
+    self.assertEqual(msg.qos,0,"message qos not 0")
+    self.assertEqual(msg.retain,False,"message retain flag incorrect")
+    
+
+

tests/testcases/settings.py

@@ -0,0 +1,2 @@
+server_ip = "172.16.0.2"
+arduino_ip = "172.16.0.100"

tests/testsuite.py

@@ -6,6 +6,9 @@ import shutil
 from subprocess import call
 import importlib
 import unittest
+import re
+
+from testcases import settings
 
 class Workspace(object):
   
@@ -66,7 +69,23 @@ class Sketch(object):
   def build(self):
     sys.stdout.write(" Build:   ")
     sys.stdout.flush()
-    shutil.copy(self.filename,os.path.join(self.w.build_dir,"src","sketch.ino"))
+    
+    # Copy sketch over, replacing IP addresses as necessary
+    fin = open(self.filename,"r")
+    lines = fin.readlines()
+    fin.close()
+    fout = open(os.path.join(self.w.build_dir,"src","sketch.ino"),"w")
+    for l in lines:
+      if re.match(r"^byte server\[\]",l):
+        fout.write("byte server[] = { %s };\n"%(settings.server_ip.replace(".",", "),))
+      elif re.match(r"^byte ip\[\]",l):
+        fout.write("byte ip[] = { %s };\n"%(settings.arduino_ip.replace(".",", "),))
+      else:
+        fout.write(l)
+    fout.flush()
+    fout.close()
+    
+    # Run build
     fout = open(self.build_log, "w")
     ferr = open(self.build_err_log, "w")
     rc = call(["ino","build"],stdout=fout,stderr=ferr)
@@ -104,6 +123,7 @@ class Sketch(object):
 
 
   def test(self):
+    # import the matching test case, if it exists
     try:
       basename = os.path.basename(self.filename)[:-4]
       i = importlib.import_module("testcases."+basename)
@@ -111,13 +131,21 @@ class Sketch(object):
       sys.stdout.write(" Test:    no tests found")
       sys.stdout.write("\n")
       return
+    c = getattr(i,basename)
+    
+    testmethods = [m for m in dir(c) if m.startswith("test_")]
+    testmethods.sort()
+    tests = []
+    for m in testmethods:
+      tests.append(c(m))
+      
+    result = unittest.TestResult()
+    c.setUpClass()
     if self.upload():
       sys.stdout.write(" Test:    ")
       sys.stdout.flush()
-      c = getattr(i,basename)
+      for t in tests:
-      suite = unittest.makeSuite(c,'test')
+        t.run(result)
-      result = unittest.TestResult()
-      suite.run(result)
         print "%d/%d"%(result.testsRun-len(result.failures)-len(result.errors),result.testsRun)
         if not result.wasSuccessful():
           if len(result.failures) > 0:
@@ -129,7 +157,7 @@ class Sketch(object):
             for f in result.errors:
               print "-- %s"%(str(f[0]),)
               print f[1]
-
+    c.tearDownClass()
 
 if __name__ == '__main__':
   run_tests = True