--- /dev/null
+"""
+Helper module that implements helpers for test implementations.
+"""
+
+import unittest
+import os
+import subprocess
+import docker
+from emuvim.dcemulator.net import DCNetwork
+from mininet.clean import cleanup
+
+class SimpleTestTopology(unittest.TestCase):
+ """
+ Helper class to do basic test setups.
+ s1 -- s2 -- s3 -- ... -- sN
+ """
+
+ def __init__(self, *args, **kwargs):
+ self.net = None
+ self.s = [] # list of switches
+ self.h = [] # list of hosts
+ self.d = [] # list of docker containers
+ self.dc = [] # list of data centers
+ self.docker_cli = None
+ super(SimpleTestTopology, self).__init__(*args, **kwargs)
+
+ def createNet(
+ self,
+ nswitches=0, ndatacenter=0, nhosts=0, ndockers=0,
+ autolinkswitches=False):
+ """
+ Creates a Mininet instance and automatically adds some
+ nodes to it.
+ """
+ self.net = net = DCNetwork()
+
+ # add some switches
+ for i in range(0, nswitches):
+ self.s.append(self.net.addSwitch('s%d' % i))
+ # if specified, chain all switches
+ if autolinkswitches:
+ for i in range(0, len(self.s) - 1):
+ self.net.addLink(self.s[i], self.s[i + 1])
+ # add some data centers
+ for i in range(0, ndatacenter):
+ self.dc.append(
+ self.net.addDatacenter(
+ 'datacenter%d' % i,
+ metadata={"unittest_dc": i}))
+ # add some hosts
+ for i in range(0, nhosts):
+ self.h.append(self.net.addHost('h%d' % i))
+ # add some dockers
+ for i in range(0, ndockers):
+ self.d.append(self.net.addDocker('d%d' % i, dimage="ubuntu"))
+
+ def startNet(self):
+ self.net.start()
+
+ def stopNet(self):
+ self.net.stop()
+
+ def getDockerCli(self):
+ """
+ Helper to interact with local docker instance.
+ """
+ if self.docker_cli is None:
+ self.docker_cli = docker.Client(
+ base_url='unix://var/run/docker.sock')
+ return self.docker_cli
+
+ def getDockernetContainers(self):
+ """
+ List the containers managed by dockernet
+ """
+ return self.getDockerCli().containers(filters={"label": "com.dockernet"})
+
+ @staticmethod
+ def setUp():
+ pass
+
+ @staticmethod
+ def tearDown():
+ cleanup()
+ # make sure that all pending docker containers are killed
+ with open(os.devnull, 'w') as devnull:
+ subprocess.call(
+ "sudo docker rm -f $(sudo docker ps --filter 'label=com.dockernet' -a -q)",
+ stdout=devnull,
+ stderr=devnull,
+ shell=True)
\ No newline at end of file
"""
import unittest
-import os
-import time
-import subprocess
-import docker
-from emuvim.dcemulator.net import DCNetwork
from emuvim.dcemulator.node import EmulatorCompute
-from mininet.node import Host, Controller, OVSSwitch, Docker
-from mininet.link import TCLink
-from mininet.topo import SingleSwitchTopo, LinearTopo
-from mininet.log import setLogLevel
-from mininet.util import quietRun
-from mininet.clean import cleanup
-
-
-class simpleTestTopology( unittest.TestCase ):
- """
- Helper class to do basic test setups.
- s1 -- s2 -- s3 -- ... -- sN
- """
-
- def __init__(self, *args, **kwargs):
- self.net = None
- self.s = [] # list of switches
- self.h = [] # list of hosts
- self.d = [] # list of docker containers
- self.dc = [] # list of data centers
- self.docker_cli = None
- super(simpleTestTopology, self).__init__(*args, **kwargs)
-
- def createNet(
- self,
- nswitches=0, ndatacenter=0, nhosts=0, ndockers=0,
- autolinkswitches=False):
- """
- Creates a Mininet instance and automatically adds some
- nodes to it.
- """
- self.net = net = DCNetwork()
-
- # add some switches
- for i in range(0, nswitches):
- self.s.append(self.net.addSwitch('s%d' % i))
- # if specified, chain all switches
- if autolinkswitches:
- for i in range(0, len(self.s) - 1):
- self.net.addLink(self.s[i], self.s[i + 1])
- # add some data centers
- for i in range(0, ndatacenter):
- self.dc.append(
- self.net.addDatacenter(
- 'datacenter%d' % i,
- metadata={"unittest_dc": i}))
- # add some hosts
- for i in range(0, nhosts):
- self.h.append(self.net.addHost('h%d' % i))
- # add some dockers
- for i in range(0, ndockers):
- self.d.append(self.net.addDocker('d%d' % i, dimage="ubuntu"))
-
- def startNet(self):
- self.net.start()
-
- def stopNet(self):
- self.net.stop()
-
- def getDockerCli(self):
- """
- Helper to interact with local docker instance.
- """
- if self.docker_cli is None:
- self.docker_cli = docker.Client(
- base_url='unix://var/run/docker.sock')
- return self.docker_cli
-
- def getDockernetContainers(self):
- """
- List the containers managed by dockernet
- """
- return self.getDockerCli().containers(filters={"label": "com.dockernet"})
-
- @staticmethod
- def setUp():
- pass
-
- @staticmethod
- def tearDown():
- cleanup()
- # make sure that all pending docker containers are killed
- with open(os.devnull, 'w') as devnull:
- subprocess.call(
- "sudo docker rm -f $(sudo docker ps --filter 'label=com.dockernet' -a -q)",
- stdout=devnull,
- stderr=devnull,
- shell=True)
+from emuvim.test.base import SimpleTestTopology
#@unittest.skip("disabled topology tests for development")
-class testEmulatorTopology( simpleTestTopology ):
+class testEmulatorTopology( SimpleTestTopology ):
"""
Tests to check the topology API of the emulator.
"""
#@unittest.skip("disabled compute tests for development")
-class testEmulatorCompute( simpleTestTopology ):
+class testEmulatorCompute( SimpleTestTopology ):
"""
Tests to check the emulator's API to add and remove
compute resources at runtime.