tests/test_python.py

   1 import osm_im.vnfd as vnfd_catalog
   2 from pyangbind.lib.serialise import pybindJSONDecoder
   3 import unittest
   4 import yaml
   5
   6 VNFD_YAML = """
   7 vnfd-catalog:
   8     vnfd:
   9     -   id: cirros_vnfd
  10         name: cirros_vnf
  11         short-name: cirros_vnf
  12         description: Simple VNF example with a cirros
  13         vendor: OSM
  14         version: '1.0'
  15
  16         # Place the logo as png in icons directory and provide the name here
  17         logo: cirros-64.png
  18
  19         # Management interface
  20         mgmt-interface:
  21             cp: eth0
  22
  23         # Atleast one VDU need to be specified
  24         vdu:
  25         -   id: cirros_vnfd-VM
  26             name: cirros_vnfd-VM
  27             description: cirros_vnfd-VM
  28             count: 1
  29
  30             # Flavour of the VM to be instantiated for the VDU
  31             # flavor below can fit into m1.micro
  32             vm-flavor:
  33                 vcpu-count: 1
  34                 memory-mb: 256
  35                 storage-gb: 2
  36
  37             # Image/checksum or image including the full path
  38             image: 'cirros034'
  39             #checksum:
  40
  41             interface:
  42             # Specify the external interfaces
  43             # There can be multiple interfaces defined
  44             -   name: eth0
  45                 type: EXTERNAL
  46                 virtual-interface:
  47                     type: PARAVIRT
  48                     bandwidth: '0'
  49                     vpci: 0000:00:0a.0
  50                 external-connection-point-ref: eth0
  51
  52         connection-point:
  53             -   name: eth0
  54                 type: VPORT
  55 """
  56
  57 class PythonTest(unittest.TestCase):
  58
  59
  60     def test_python_compatibility(self):
  61         """A simple test to verify Python compatibility.
  62
  63         This test exercises basic IM interoperability with supported versions
  64         of Python in order to verify the IM libraries compatibility.
  65
  66         As of 30 Nov 2017, the IM library fails with Python3. This invokes that
  67         failing code so that it can be repeatably tested:
  68
  69         ValueError: '_pybind_generated_by' in __slots__ conflicts with class variable
  70         """
  71
  72         try:
  73             data = yaml.load(VNFD_YAML)
  74
  75             myvnfd = vnfd_catalog.vnfd()
  76             pybindJSONDecoder.load_ietf_json(data, None, None, obj=myvnfd)
  77         except ValueError:
  78             assert False