"""Some tests for the wildcard utilities."""

#-----------------------------------------------------------------------------
# Library imports
#-----------------------------------------------------------------------------
# Stdlib
import unittest

# Our own
from IPython.utils import wildcard

#-----------------------------------------------------------------------------
# Globals for test
#-----------------------------------------------------------------------------

class obj_t(object):
    pass

root = obj_t()
l = ["arna","abel","ABEL","active","bob","bark","abbot"]
q = ["kate","loop","arne","vito","lucifer","koppel"]
for x in l:
    o = obj_t()
    setattr(root,x,o)
    for y in q:
        p = obj_t()
        setattr(o,y,p)
root._apan = obj_t()
root._apan.a = 10
root._apan._a = 20
root._apan.__a = 20
root.__anka = obj_t()
root.__anka.a = 10
root.__anka._a = 20
root.__anka.__a = 20

root._APAN = obj_t()
root._APAN.a = 10
root._APAN._a = 20
root._APAN.__a = 20
root.__ANKA = obj_t()
root.__ANKA.a = 10
root.__ANKA._a = 20
root.__ANKA.__a = 20

#-----------------------------------------------------------------------------
# Test cases
#-----------------------------------------------------------------------------

class Tests (unittest.TestCase):
    def test_case(self):
        ns=root.__dict__
        tests=[
         ("a*",     ["abbot","abel","active","arna",]),
         ("?b*.?o*",["abbot.koppel","abbot.loop","abel.koppel","abel.loop",]),
         ("_a*",    []),
         ("_*anka", ["__anka",]),
         ("_*a*",   ["__anka",]),
        ]
        for pat,res in tests:
            res.sort()
            a=sorted(wildcard.list_namespace(ns,"all",pat,ignore_case=False,
                                             show_all=False).keys())
            self.assertEqual(a,res)

    def test_case_showall(self):
        ns=root.__dict__
        tests=[
         ("a*",     ["abbot","abel","active","arna",]),
         ("?b*.?o*",["abbot.koppel","abbot.loop","abel.koppel","abel.loop",]),
         ("_a*",    ["_apan"]),
         ("_*anka", ["__anka",]),
         ("_*a*",   ["__anka","_apan",]),
        ]
        for pat,res in tests:
            res.sort()
            a=sorted(wildcard.list_namespace(ns,"all",pat,ignore_case=False,
                                             show_all=True).keys())
            self.assertEqual(a,res)


    def test_nocase(self):
        ns=root.__dict__
        tests=[
         ("a*",     ["abbot","abel","ABEL","active","arna",]),
         ("?b*.?o*",["abbot.koppel","abbot.loop","abel.koppel","abel.loop",
                     "ABEL.koppel","ABEL.loop",]),
         ("_a*",    []),
         ("_*anka", ["__anka","__ANKA",]),
         ("_*a*",   ["__anka","__ANKA",]),
        ]
        for pat,res in tests:
            res.sort()
            a=sorted(wildcard.list_namespace(ns,"all",pat,ignore_case=True,
                                             show_all=False).keys())
            self.assertEqual(a,res)

    def test_nocase_showall(self):
        ns=root.__dict__
        tests=[
         ("a*",     ["abbot","abel","ABEL","active","arna",]),
         ("?b*.?o*",["abbot.koppel","abbot.loop","abel.koppel","abel.loop",
                     "ABEL.koppel","ABEL.loop",]),
         ("_a*",    ["_apan","_APAN"]),
         ("_*anka", ["__anka","__ANKA",]),
         ("_*a*",   ["__anka","__ANKA","_apan","_APAN"]),
        ]
        for pat,res in tests:
            res.sort()
            a=sorted(wildcard.list_namespace(ns,"all",pat,ignore_case=True,
                                             show_all=True).keys())
            a.sort()
            self.assertEqual(a,res)
            
    def test_dict_attributes(self):
        """Dictionaries should be indexed by attributes, not by keys. This was
        causing Github issue 129."""
        ns = {"az":{"king":55}, "pq":{1:0}}
        tests = [
          ("a*", ["az"]),
          ("az.k*", ["az.keys"]),
          ("pq.k*", ["pq.keys"])
        ]
        for pat, res in tests:
            res.sort()
            a = sorted(wildcard.list_namespace(ns, "all", pat, ignore_case=False,
                                               show_all=True).keys())
            self.assertEqual(a, res)
    
    def test_dict_dir(self):
        class A(object):
            def __init__(self):
                self.a = 1
                self.b = 2
            def __getattribute__(self, name):
                if name=="a":
                    raise AttributeError
                return object.__getattribute__(self, name)
                
        a = A()
        adict = wildcard.dict_dir(a)
        assert "a" not in adict # change to assertNotIn method in >= 2.7
        self.assertEqual(adict["b"], 2)