Fix some tests not cleaning up correctly after themselves

The PrintInformation test wasn't cleaning up after itself correclty. This
left some stuff behind that the other tests were using. Since this is bad (as at that point
tests can influence other tests), i've fixed that

1 files changed, 15 insertions, 9 deletions

diff --git a/tests/PrinterOutput/TestNetworkedPrinterOutputDevice.py b/tests/PrinterOutput/TestNetworkedPrinterOutputDevice.py
index da3ce66ac4..107ed77b51 100644
--- a/tests/PrinterOutput/TestNetworkedPrinterOutputDevice.py
+++ b/tests/PrinterOutput/TestNetworkedPrinterOutputDevice.py
@@ -1,5 +1,5 @@
 import time
-from unittest.mock import MagicMock
+from unittest.mock import MagicMock, patch
 
 from PyQt5.QtNetwork import QNetworkAccessManager
 from PyQt5.QtCore import QUrl
@@ -9,8 +9,8 @@ from cura.PrinterOutput.PrinterOutputDevice import ConnectionState
 
 def test_properties():
     properties = { b"firmware_version": b"12", b"printer_type": b"BHDHAHHADAD", b"address": b"ZOMG", b"name": b":(", b"testProp": b"zomg"}
-
-    output_device = NetworkedPrinterOutputDevice(device_id = "test", address = "127.0.0.1", properties = properties)
+    with patch("UM.Qt.QtApplication.QtApplication.getInstance"):
+        output_device = NetworkedPrinterOutputDevice(device_id = "test", address = "127.0.0.1", properties = properties)
     assert output_device.address == "ZOMG"
     assert output_device.firmwareVersion == "12"
     assert output_device.printerType == "BHDHAHHADAD"
@@ -24,7 +24,8 @@ def test_properties():
 
 
 def test_authenticationState():
-    output_device = NetworkedPrinterOutputDevice(device_id="test", address="127.0.0.1", properties={})
+    with patch("UM.Qt.QtApplication.QtApplication.getInstance"):
+        output_device = NetworkedPrinterOutputDevice(device_id="test", address="127.0.0.1", properties={})
 
     output_device.setAuthenticationState(AuthState.Authenticated)
 
@@ -32,7 +33,8 @@ def test_authenticationState():
 
 
 def test_post():
-    output_device = NetworkedPrinterOutputDevice(device_id="test", address="127.0.0.1", properties={})
+    with patch("UM.Qt.QtApplication.QtApplication.getInstance"):
+        output_device = NetworkedPrinterOutputDevice(device_id="test", address="127.0.0.1", properties={})
     mocked_network_manager = MagicMock()
     output_device._manager = mocked_network_manager
 
@@ -53,7 +55,8 @@ def test_post():
 
 
 def test_get():
-    output_device = NetworkedPrinterOutputDevice(device_id="test", address="127.0.0.1", properties={})
+    with patch("UM.Qt.QtApplication.QtApplication.getInstance"):
+        output_device = NetworkedPrinterOutputDevice(device_id="test", address="127.0.0.1", properties={})
     mocked_network_manager = MagicMock()
     output_device._manager = mocked_network_manager
 
@@ -74,7 +77,8 @@ def test_get():
 
 
 def test_delete():
-    output_device = NetworkedPrinterOutputDevice(device_id="test", address="127.0.0.1", properties={})
+    with patch("UM.Qt.QtApplication.QtApplication.getInstance"):
+        output_device = NetworkedPrinterOutputDevice(device_id="test", address="127.0.0.1", properties={})
     mocked_network_manager = MagicMock()
     output_device._manager = mocked_network_manager
 
@@ -95,7 +99,8 @@ def test_delete():
 
 
 def test_put():
-    output_device = NetworkedPrinterOutputDevice(device_id="test", address="127.0.0.1", properties={})
+    with patch("UM.Qt.QtApplication.QtApplication.getInstance"):
+        output_device = NetworkedPrinterOutputDevice(device_id="test", address="127.0.0.1", properties={})
     mocked_network_manager = MagicMock()
     output_device._manager = mocked_network_manager
 
@@ -116,7 +121,8 @@ def test_put():
 
 
 def test_timeout():
-    output_device = NetworkedPrinterOutputDevice(device_id="test", address="127.0.0.1", properties={})
+    with patch("UM.Qt.QtApplication.QtApplication.getInstance"):
+        output_device = NetworkedPrinterOutputDevice(device_id="test", address="127.0.0.1", properties={})
     output_device.setConnectionState(ConnectionState.Connected)
 
     assert output_device.connectionState == ConnectionState.Connected