# Test Cray-specific utilities/calls.
from nose.tools import raises
from testsuite.TestCobalt.Utilities.assert_functions import assert_match, assert_not_match
from Cobalt.Components.system.CrayNode import CrayNode
import Cobalt.Exceptions
import time
from Cobalt.Components.system.CraySystem import CraySystem
from Cobalt.Components.system.base_pg_manager import ProcessGroupManager
import Cobalt.Components.system.AlpsBridge as AlpsBridge

from mock import MagicMock, Mock, patch


def is_match(a, b):
    return a is b

class TestCrayNode(object):

    def setup(self):
        self.spec = {'name':'test', 'state': 'UP', 'node_id': 1, 'role':'batch',
                'architecture': 'XT', 'SocketArray':['foo', 'bar'],
                }
        self.base_node = CrayNode(self.spec)

    def teardown(self):
        del self.spec
        del self.base_node

    def test_init(self):
        '''CrayNode init test'''
        spec = {'name':'test', 'state': 'UP', 'node_id': 1, 'role':'batch',
                'architecture': 'XT', 'SocketArray':['foo', 'bar'],
                }
        node = CrayNode(spec)
        assert_match(node.status, 'idle', 'bad status')
        assert_match(node.node_id, 1, 'bad nodeid')
        assert_match(node.role, 'BATCH', 'bad role')
        assert_match(node.attributes['architecture'], 'XT',
                'bad architecture',  is_match)
        assert_match(node.segment_details, ['foo', 'bar'],
                'bad segment')
        assert_match(node.ALPS_status, 'UNKNOWN',
                'bad default ALPS status')
        assert 'alps-interactive' in node.RESOURCE_STATUSES, 'alps-interactive not in resource statuses'

    def test_init_alps_states(self):
        '''CrayNode: init alps states'''
        cray_state_list = ['UP', 'DOWN', 'UNAVAILABLE', 'ROUTING', 'SUSPECT',
                           'ADMIN', 'UNKNOWN', 'UNAVAIL', 'SWDOWN', 'REBOOTQ',
                           'ADMINDOWN']
        correct_alps_states = {'UP': 'idle', 'DOWN':'down', 'UNAVAILABLE':'down',
                               'ROUTING':'down', 'SUSPECT':'down', 'ADMIN':'down',
                               'UNKNOWN':'down', 'UNAVAIL': 'down', 'SWDOWN': 'down',
                               'REBOOTQ':'down', 'ADMINDOWN':'down'}
        for state in cray_state_list:
            self.spec['state'] = state
            node = CrayNode(self.spec)
            assert node.status == correct_alps_states[state], "%s should map to %s" % (node.status, correct_alps_states[state])

    def test_non_cray_statuses(self):
        '''CrayNode: can set cobalt-tracking statuses.'''
        test_statuses = ['busy', 'cleanup-pending', 'allocated',
                'alps-interactive']
        for status in test_statuses:
            self.base_node.status = status
            assert_match(self.base_node.status, status, "failed validation")

class TestCraySystem(object):
    @patch.object(AlpsBridge, 'init_bridge')
    @patch.object(CraySystem, '_init_nodes_and_reservations', return_value=None)
    @patch.object(CraySystem, '_run_update_state', return_value=None)
    def setup(self, *args, **kwargs):
        self.system = CraySystem()
        self.base_spec = {'name':'test', 'state': 'UP', 'node_id': '1', 'role':'batch',
                'architecture': 'XT', 'SocketArray':['foo', 'bar'],
                'queues':['default'],
                }
        for i in range(1,6):
            self.base_spec['name'] = "test%s" % i
            self.base_spec['node_id'] = str(i)
            node_dict=dict(self.base_spec)
            self.system.nodes[str(i)] = CrayNode(node_dict)
            self.system.node_name_to_id[node_dict['name']] = node_dict['node_id']
        self.system._gen_node_to_queue()

        self.base_job = {'jobid':1, 'user':'crusher', 'attrs':{},
                'queue':'default',
                }

    def teardown(self):
        del self.system
        del self.base_job

    def test_assemble_queue_data(self):
        '''CraySystem._assemble_queue_data: base functionality'''
        nodecount, nodelist =  self.system._assemble_queue_data(self.base_job,
                self.system._idle_nodes_by_queue())
        assert nodecount == 5, 'expected 5 got %s' % nodecount
        assert sorted(nodelist) == ['1','2','3','4','5'], 'expected [1, 2, 3, 4, 5] got %s' % nodelist

    def test_assemble_queue_data_bad_queue(self):
        '''CraySystem._assemble_queue_data: return nothing if queue for job doesn't exist'''
        self.base_job['queue'] = 'foo'
        nodecount, nodelist = self.system._assemble_queue_data(self.base_job,
                self.system._idle_nodes_by_queue())
        assert nodecount == 0, 'Nonzero nodecount'
        assert nodelist == [], 'nonempty nodelist'

    def test_assemble_queue_data_multiple_queue(self):
        '''CraySystem._assemble_queue_data: return only proper queue nodes'''
        self.system.nodes['1'].queues = ['foo']
        self.system.nodes['4'].queues = ['bar']
        self.system._gen_node_to_queue()
        nodecount, nodelist = self.system._assemble_queue_data(self.base_job,
                self.system._idle_nodes_by_queue())
        assert nodecount == 3, 'Wrong nodecount'
        assert sorted(nodelist) == ['2','3','5'], 'Wrong nodelist'

    def test_assemble_queue_data_multiple_queue_overlap(self):
        '''CraySystem._assemble_queue_data: return only proper queue nodes in overlaping queues'''
        self.system.nodes['1'].queues = ['foo', 'default', 'bar']
        self.system.nodes['4'].queues = ['default','bar']
        self.system.nodes['5'].queues = ['baz']
        self.system._gen_node_to_queue()
        nodecount, nodelist = self.system._assemble_queue_data(self.base_job,
                self.system._idle_nodes_by_queue())
        assert nodecount == 4, 'Wrong nodecount'
        assert sorted(nodelist) == ['1','2','3','4'], 'Wrong nodelist'
        self.base_job['queue'] = 'foo'
        nodecount, nodelist = self.system._assemble_queue_data(self.base_job,
                self.system._idle_nodes_by_queue())
        assert nodecount == 1, 'Wrong nodecount'
        assert nodelist == ['1'], 'Wrong nodelist'
        self.base_job['queue'] = 'bar'
        nodecount, nodelist = self.system._assemble_queue_data(self.base_job,
                self.system._idle_nodes_by_queue())
        assert nodecount == 2, 'Wrong nodecount'
        assert sorted(nodelist) == ['1','4'], 'Wrong nodelist'
        self.base_job['queue'] = 'baz'
        nodecount, nodelist = self.system._assemble_queue_data(self.base_job,
                self.system._idle_nodes_by_queue())
        assert nodecount == 1, 'Wrong nodecount'
        assert nodelist == ['5'], 'Wrong nodelist'

    def test_assemble_queue_data_non_idle(self):
        '''CraySystem._assemble_queue_data: return only non-idle nodes'''
        self.system.nodes['1'].status = 'busy'
        self.system.nodes['4'].status = 'ADMINDOWN'
        self.system._gen_node_to_queue()
        nodecount, nodelist = self.system._assemble_queue_data(self.base_job,
                self.system._idle_nodes_by_queue())
        assert nodecount == 3, 'Wrong nodecount'
        assert sorted(nodelist) == ['2','3','5'], 'Wrong nodelist'

    def test_assemble_queue_data_attrs_location(self):
        '''CraySystem._assemble_queue_data: return only attr locaiton loc'''
        self.base_job['attrs'] = {'location':'3'}
        nodecount, nodelist = self.system._assemble_queue_data(self.base_job,
                self.system._idle_nodes_by_queue())
        assert nodecount == 1, 'Wrong nodecount'
        assert nodelist == ['3'], 'Wrong node in list %s' % nodelist

    @raises(ValueError)
    def test_assemble_queue_data_attrs_bad_location(self):
        '''CraySystem._assemble_queue_data: raise error for location completely outside of
        queue'''
        self.base_job['attrs'] = {'location':'6'}
        nodecount, nodelist = self.system._assemble_queue_data(self.base_job,
                self.system._idle_nodes_by_queue())
        assert nodecount == 1, 'Wrong nodecount'
        assert nodelist == ['3'], 'Wrong node in list %s' % nodelist

    def test_assemble_queue_data_attrs_location_multi(self):
        '''CraySystem._assemble_queue_data: return only attr locaiton complex loc string'''
        self.base_job['attrs'] = {'location':'1-3,5'}
        nodecount, nodelist = self.system._assemble_queue_data(self.base_job,
                self.system._idle_nodes_by_queue())
        assert nodecount == 4, 'Wrong nodecount'
        assert sorted(nodelist) == ['1','2','3','5'], 'Wrong nodes in list %s' % nodelist

    def test_assemble_queue_data_forbidden_loc(self):
        '''CraySystem._assemble_queue_data: avoid reserved nodes'''
        self.base_job['forbidden'] = ['1-3','5']
        nodecount, nodelist = self.system._assemble_queue_data(self.base_job,
                self.system._idle_nodes_by_queue())
        assert nodecount == 1, 'Wrong nodecount %s' % nodecount
        assert sorted(nodelist) == ['4'], 'Wrong nodes in list %s' % nodelist

    def test_assemble_queue_data_forbidden_loc_attrs_loc(self):
        '''CraySystem._assemble_queue_data: avoid reserved nodes despite location being set'''
        self.base_job['forbidden'] = ['1-3']
        self.base_job['attrs'] = {'location':'1-4'}
        nodecount, nodelist = self.system._assemble_queue_data(self.base_job,
                self.system._idle_nodes_by_queue())
        assert nodecount == 1, 'Wrong nodecount %s' % nodecount
        assert sorted(nodelist) == ['4'], 'Wrong nodes in list %s' % nodelist

    def test_assemble_queue_data_forbidden_loc_attrs_loc_complete(self):
        '''CraySystem._assemble_queue_data: avoid reserved nodes block location if superset'''
        self.base_job['forbidden'] = ['1-3']
        self.base_job['attrs'] = {'location':'1-3'}
        nodecount, nodelist = self.system._assemble_queue_data(self.base_job,
                self.system._idle_nodes_by_queue())
        assert nodecount == 0, 'Wrong nodecount %s' % nodecount
        assert sorted(nodelist) == [], 'Wrong nodes in list %s' % nodelist

    def test_assemble_queue_data_forbidden_loc_attrs_loc_permit(self):
        '''CraySystem._assemble_queue_data: forbidden doesn't block everything'''
        self.base_job['forbidden'] = ['1-3']
        self.base_job['attrs'] = {'location':'4-5'}
        nodecount, nodelist = self.system._assemble_queue_data(self.base_job,
                self.system._idle_nodes_by_queue())
        assert nodecount == 2, 'Wrong nodecount %s' % nodecount
        assert sorted(nodelist) == ['4','5'], 'Wrong nodes in list %s' % nodelist

    def test_assemble_queue_data_reserved_loc(self):
        '''CraySystem._assemble_queue_data: return reservation nodes'''
        self.base_job['required'] = ['2-4']
        self.base_job['queue'] = 'reservation'
        nodecount, nodelist = self.system._assemble_queue_data(self.base_job,
                self.system._idle_nodes_by_queue())
        assert nodecount == 3, 'Wrong nodecount %s' % nodecount
        assert sorted(nodelist) == ['2','3','4'], 'Wrong nodes in list %s' % nodelist

    def test_assemble_queue_data_reserved_loc_idle_only(self):
        '''CraySystem._assemble_queue_data: return reservation nodes that are idle'''
        self.system.nodes['1'].status = 'busy'
        self.system.nodes['2'].status = 'cleanup-pending'
        self.system.nodes['3'].status = 'allocated'
        self.system.nodes['4'].status = 'ADMINDOWN'
        self.base_job['required'] = ['1-5']
        self.base_job['queue'] = 'reservation'
        nodecount, nodelist = self.system._assemble_queue_data(self.base_job,
                self.system._idle_nodes_by_queue())
        assert nodecount == 1, 'Wrong nodecount %s' % nodecount
        assert sorted(nodelist) == ['5'], 'Wrong nodes in list %s' % nodelist

    def test_assemble_queue_data_reserved_loc_location_set(self):
        '''CraySystem._assemble_queue_data: return reservation nodes for job with location set'''
        self.base_job['required'] = ['1-4']
        self.base_job['attrs'] = {'location':'1,2,4'}
        self.base_job['queue'] = 'reservation'
        nodecount, nodelist = self.system._assemble_queue_data(self.base_job,
                self.system._idle_nodes_by_queue())
        assert nodecount == 3, 'Wrong nodecount %s' % nodecount
        assert sorted(nodelist) == ['1','2','4'], 'Wrong nodes in list %s' % nodelist

    #need testcase with loc targeting down nodes.
    def test_assemble_queue_data_attrs_location_blocked_nodes(self):
        '''CraySystem._assemble_queue_data: return only idle locations'''
        self.system.nodes['1'].status = 'busy'
        self.system.nodes['2'].status = 'cleanup-pending'
        self.system.nodes['3'].status = 'allocated'
        self.system.nodes['4'].status = 'ADMINDOWN'
        self.base_job['attrs'] = {'location':'1-5'}
        nodecount, nodelist = self.system._assemble_queue_data(self.base_job,
                self.system._idle_nodes_by_queue())
        assert nodecount == 1, 'Wrong nodecount'
        assert nodelist == ['5'], 'Wrong node in list %s' % nodelist

    def test_assemble_queue_data_attrs_location_all_blocked_nodes(self):
        '''CraySystem._assemble_queue_data: return no locations if attrs location nodes are
        all non idle'''
        self.system.nodes['1'].status = 'busy'
        self.system.nodes['2'].status = 'cleanup-pending'
        self.system.nodes['3'].status = 'allocated'
        self.system.nodes['4'].status = 'ADMINDOWN'
        self.base_job['attrs'] = {'location':'1-4'}
        nodecount, nodelist = self.system._assemble_queue_data(self.base_job,
                self.system._idle_nodes_by_queue())
        assert nodecount == 0, 'Wrong nodecount'
        assert nodelist == [], 'Wrong node in list %s' % nodelist