"""
Test topicargspec.

:copyright: Copyright since 2006 by Oliver Schoenborn, all rights reserved.
:license: BSD, see LICENSE.txt for details.
"""

import pytest

from pubsub.core.topicargspec import (
    ArgsInfo,
    ArgSpecGiven,
    SenderMissingReqdMsgDataError
)
from pubsub.core import SenderUnknownMsgDataError


#class  Test2_specTestCase:
    #def setUp(self):
    #    self.foo = Test2_spec()
    #

    #def tearDown(self):
    #    self.foo.dispose()
    #    self.foo = None

def test_create():
    # root
    td1 = ArgSpecGiven( dict() )
    ai1 = ArgsInfo(('t1',), td1, None)
    assert ai1.isComplete()
    assert ai1.numArgs() == 0
    assert ai1.getArgs() == ()
    assert ai1.getCompleteAI() is ai1

    # sub, complete
    td2 = ArgSpecGiven(
        argsDocs = dict(arg1='doc for arg1', arg2='doc for arg2'),
        reqdArgs = ('arg2',))
    ai2 = ArgsInfo(('t1','st1'), td2, ai1)
    assert ai2.isComplete()
    assert ai2.numArgs() == 2
    assert ai2.getArgs() == ('arg1', 'arg2')
    assert ai2.getCompleteAI() is ai2

    # sub, missing
    td2.argsSpecType = ArgSpecGiven.SPEC_GIVEN_NONE
    ai4 = ArgsInfo(('t1','st3'), td2, ai1)
    assert not ai4.isComplete()
    assert ai4.numArgs() == 0
    assert ai4.getArgs() == ()
    assert ai4.getCompleteAI() is ai1

    # sub, of incomplete spec, given ALL args
    td3 = ArgSpecGiven(
        argsDocs = dict(arg1='doc for arg1', arg2='doc for arg2'),
        reqdArgs = ('arg2',))
    ai5 = ArgsInfo(('t1','st3','sst1'), td3, ai4)
    assert ai5.isComplete()
    assert ai5.numArgs() == 2
    assert ai5.hasSameArgs('arg1', 'arg2')
    assert ai5.getCompleteAI() is ai5

def test_update():
    td1 = ArgSpecGiven( dict() )
    td2 = ArgSpecGiven()
    td4 = ArgSpecGiven()
    td5 = ArgSpecGiven(
        argsDocs = dict(
            arg1='doc for arg1', arg2='doc for arg2',
            arg3='doc for arg3', arg4='doc for arg4'),
        reqdArgs = ('arg4','arg2'))

    ai1 = ArgsInfo(('t1',), td1, None)             # root, complete
    ai2 = ArgsInfo(('t1','st1'), td2, ai1)         # sub 1, empty
    ai4 = ArgsInfo(('t1','st1','sst2'), td4, ai2)  # empty sub of sub 1
    ai5 = ArgsInfo(('t1','st1','sst3'), td5, ai2)  # completed sub of sub 1

    # check assumptions before we start:
    assert not ai2.isComplete()
    assert not ai4.isComplete()
    assert     ai5.isComplete()
    assert ai2.numArgs() == 0
    assert ai4.numArgs() == 0
    assert ai5.numArgs() == 4

    # pretend we have an update for ai2: all args now available
    ai2.updateAllArgsFinal( ArgSpecGiven(
            dict(arg1='doc for arg1', arg2='doc for arg2'),
            ('arg2',)) )
    assert ai2.isComplete()
    assert ai2.numArgs() == 2
    assert ai2.hasSameArgs('arg1', 'arg2')
    assert ai2.getCompleteAI() is ai2

    assert not ai4.isComplete()

    assert ai2.numArgs() == 2
    assert ai4.numArgs() == 0
    assert ai5.numArgs() == 4

    assert ai4.getCompleteAI() is ai2

    assert ai2.hasSameArgs('arg1', 'arg2')
    assert ai5.hasSameArgs('arg1', 'arg2', 'arg3', 'arg4')

def test_filter():
    td = ArgSpecGiven(
        argsDocs = dict(arg1='doc for arg1', arg2='doc for arg2'),
        reqdArgs = ('arg2',))
    ai = ArgsInfo(('t1',), td, None)

    # check:
    argsMissingReqd = {}
    pytest.raises(SenderMissingReqdMsgDataError, ai.check, argsMissingReqd)

    argsExtraOpt = dict(arg2=2, arg5=5)
    pytest.raises(SenderUnknownMsgDataError, ai.check, argsExtraOpt)

    args = dict(arg1=1, arg2=2)
    ai.check(args)

    # filter:
    msgArgs = dict(arg1=1, arg2=2)
    argsOK = msgArgs.copy()
    assert ai.filterArgs( msgArgs ) == argsOK
    msgArgs.update(arg3=3, arg4=4)
    assert ai.filterArgs( msgArgs ) == argsOK