testing the injector constructor

keymapper/injector.py

@@ -104,6 +104,7 @@ def _start_injecting_worker(path, pipe):
     device = _grab(path)
 
     if device is None:
+        print('lakjdsflakdsjfa')
         pipe.send(FAILED)
         return
 

tests/test.py

@@ -23,6 +23,7 @@
 
 
 import sys
+import time
 import unittest
 
 import evdev
@@ -145,6 +146,9 @@ def patch_evdev():
 
             while len(pending_events[self.name]) > 0:
                 yield pending_events[self.name].pop(0)
+                # give tests some time to test stuff while the process
+                # is still running
+                time.sleep(0.01)
 
         def capabilities(self, absinfo=True):
             return fixtures[self.path]['capabilities']

tests/testcases/injector.py

@@ -24,7 +24,8 @@ import unittest
 import evdev
 
 from keymapper.injector import _start_injecting_worker, _grab, \
-    is_numlock_on, toggle_numlock, ensure_numlock, _modify_capabilities
+    is_numlock_on, toggle_numlock, ensure_numlock, _modify_capabilities, \
+    KeycodeInjector
 from keymapper.getdevices import get_devices
 from keymapper.state import custom_mapping, system_mapping
 
@@ -97,6 +98,17 @@ class TestInjector(unittest.TestCase):
         toggle_numlock()
         self.assertEqual(before, is_numlock_on())
 
+    def test_injector_constructor(self):
+        global pending_events
+        # this buys some time to test if the process is alive. 2 (20ms) would
+        # already be enough
+        pending_events['device 2'] = [Event(1, 1, 1)] * 10
+
+        injector2 = KeycodeInjector('device 2')
+        self.assertEqual(len(injector2.processes), 1)
+        self.assertEqual(injector2.processes[0].is_alive(), True)
+        injector2.processes[0].join()
+
     def test_injector(self):
         device = get_devices()['device 2']