#!/usr/bin/python
#

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"""Script for testing hypervisor functionality"""

import unittest

from ganeti import constants
from ganeti import compat
from ganeti import objects
from ganeti import errors
from ganeti import hypervisor
from ganeti.hypervisor import hv_base

import testutils


class TestParameters(unittest.TestCase):
  def test(self):
    for hv, const_params in constants.HVC_DEFAULTS.items():
      hyp = hypervisor.GetHypervisorClass(hv)
      for pname in const_params:
        self.assertTrue(pname in hyp.PARAMETERS,
                        "Hypervisor %s: parameter %s defined in constants"
                        " but not in the permitted hypervisor parameters" %
                        (hv, pname))
      for pname in hyp.PARAMETERS:
        self.assertTrue(pname in const_params,
                        "Hypervisor %s: parameter %s defined in the hypervisor"
                        " but missing a default value" %
                        (hv, pname))


class TestBase(unittest.TestCase):
  def testVerifyResults(self):
    fn = hv_base.BaseHypervisor._FormatVerifyResults
    # FIXME: use assertIsNone when py 2.7 is minimum supported version
    self.assertEqual(fn([]), None)
    self.assertEqual(fn(["a"]), "a")
    self.assertEqual(fn(["a", "b"]), "a; b")

  def testGetLinuxNodeInfo(self):
    meminfo = testutils.TestDataFilename("proc_meminfo.txt")
    cpuinfo = testutils.TestDataFilename("proc_cpuinfo.txt")
    result = hv_base.BaseHypervisor.GetLinuxNodeInfo(meminfo, cpuinfo)

    self.assertEqual(result["memory_total"], 7686)
    self.assertEqual(result["memory_free"], 6272)
    self.assertEqual(result["memory_dom0"], 2722)
    self.assertEqual(result["cpu_total"], 4)
    self.assertEqual(result["cpu_nodes"], 1)
    self.assertEqual(result["cpu_sockets"], 1)


if __name__ == "__main__":
  testutils.GanetiTestProgram()