Some integration tests

Software/Integrationtests/tests/TestBase.py

@@ -0,0 +1,39 @@
+import unittest
+from tests.libreVNA import libreVNA as libreVNA
+import tests.definitions as defs
+import subprocess
+import time
+import select
+from signal import SIGINT
+
+class TestBase(unittest.TestCase):
+    def setUp(self):
+        self.gui = subprocess.Popen([defs.GUI_PATH, '-p', '19543'], stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
+        
+        # wait for the SCPI server to become available
+        timeout = time.time() + 3;
+        poll_obj = select.poll()
+        poll_obj.register(self.gui.stdout, select.POLLIN)
+        while time.time() < timeout:
+            poll_result = poll_obj.poll(0)
+            if poll_result:
+                line = self.gui.stdout.readline().decode().strip()
+                if "Listening on port 19543" in line:
+                    break
+       
+        time.sleep(0.2)
+        
+        self.vna = libreVNA('localhost', 19543)
+        self.vna.cmd(":DEV:CONN")
+        if self.vna.query(":DEV:CONN?") == "Not connected":
+            self.tearDown()
+            raise AssertionError("Not connected")
+               
+    def tearDown(self):
+        self.gui.send_signal(SIGINT)
+        try:
+            self.gui.wait(timeout = 0.1)
+        except subprocess.TimeoutExpired:
+            self.gui.kill()
+            
+