updates to fail early for required executables that are not in PATH

daemon/tests/emane/test_emane.py

@@ -6,13 +6,13 @@ from xml.etree import ElementTree
 
 import pytest
 
-from core import CoreError
 from core.emane.bypass import EmaneBypassModel
 from core.emane.commeffect import EmaneCommEffectModel
 from core.emane.ieee80211abg import EmaneIeee80211abgModel
 from core.emane.rfpipe import EmaneRfPipeModel
 from core.emane.tdma import EmaneTdmaModel
 from core.emulator.emudata import NodeOptions
+from core.errors import CoreError
 
 _EMANE_MODELS = [
     EmaneIeee80211abgModel,

daemon/tests/test_grpc.py

@@ -5,7 +5,6 @@ from queue import Queue
 import grpc
 import pytest
 
-from core import CoreError
 from core.api.grpc import core_pb2
 from core.api.grpc.client import CoreGrpcClient
 from core.config import ConfigShim
@@ -18,6 +17,7 @@ from core.emulator.enumerations import (
     ExceptionLevels,
     NodeTypes,
 )
+from core.errors import CoreError
 from core.location.mobility import BasicRangeModel, Ns2ScriptedMobility
 
 

daemon/tests/test_gui.py

@@ -7,7 +7,6 @@ import time
 import mock
 import pytest
 
-from core import CoreError
 from core.api.tlv import coreapi
 from core.emane.ieee80211abg import EmaneIeee80211abgModel
 from core.emulator.enumerations import (
@@ -24,6 +23,7 @@ from core.emulator.enumerations import (
     RegisterTlvs,
     SessionTlvs,
 )
+from core.errors import CoreError
 from core.location.mobility import BasicRangeModel
 from core.nodes.ipaddress import Ipv4Prefix
 

daemon/tests/test_nodes.py

@@ -3,9 +3,10 @@ import time
 
 import pytest
 
-from core import CoreError, utils
+from core import utils
 from core.emulator.emudata import NodeOptions
 from core.emulator.enumerations import NodeTypes
+from core.errors import CoreError
 
 MODELS = ["router", "host", "PC", "mdr"]
 

daemon/tests/test_xml.py

@@ -2,9 +2,9 @@ from xml.etree import ElementTree
 
 import pytest
 
-from core import CoreError
 from core.emulator.emudata import LinkOptions, NodeOptions
 from core.emulator.enumerations import NodeTypes
+from core.errors import CoreError
 from core.location.mobility import BasicRangeModel
 from core.services.utility import SshService