import pprint

import test.test_support

import unittest

try:

    uni = unicode

except NameError:

    def uni(x):

        return x

# list, tuple and dict subclasses that do or don't overwrite __repr__

class list2(list):

    pass

class list3(list):

    def __repr__(self):

        return list.__repr__(self)

class tuple2(tuple):

    pass

class tuple3(tuple):

    def __repr__(self):

        return tuple.__repr__(self)

class dict2(dict):

    pass

class dict3(dict):

    def __repr__(self):

        return dict.__repr__(self)

class QueryTestCase(unittest.TestCase):

    def setUp(self):

        self.a = range(100)

        self.b = range(200)

        self.a[-12] = self.b

    def test_basic(self):

        # Verify .isrecursive() and .isreadable() w/o recursion

        verify = self.assert_

        pp = pprint.PrettyPrinter()

        for safe in (2, 2.0, 2j, "abc", [3], (2,2), {3: 3}, uni("yaddayadda"),

                     self.a, self.b):

            # module-level convenience functions

            verify(not pprint.isrecursive(safe),

                   "expected not isrecursive for %r" % (safe,))

            verify(pprint.isreadable(safe),

                   "expected isreadable for %r" % (safe,))

            # PrettyPrinter methods

            verify(not pp.isrecursive(safe),

                   "expected not isrecursive for %r" % (safe,))

            verify(pp.isreadable(safe),

                   "expected isreadable for %r" % (safe,))

    def test_knotted(self):

        # Verify .isrecursive() and .isreadable() w/ recursion

        # Tie a knot.

        self.b[67] = self.a

        # Messy dict.

        self.d = {}

        self.d[0] = self.d[1] = self.d[2] = self.d

        verify = self.assert_

        pp = pprint.PrettyPrinter()

        for icky in self.a, self.b, self.d, (self.d, self.d):

            verify(pprint.isrecursive(icky), "expected isrecursive")

            verify(not pprint.isreadable(icky),  "expected not isreadable")

            verify(pp.isrecursive(icky), "expected isrecursive")

            verify(not pp.isreadable(icky),  "expected not isreadable")

        # Break the cycles.

        self.d.clear()

        del self.a[:]

        del self.b[:]

        for safe in self.a, self.b, self.d, (self.d, self.d):

            # module-level convenience functions

            verify(not pprint.isrecursive(safe),

                   "expected not isrecursive for %r" % (safe,))

            verify(pprint.isreadable(safe),

                   "expected isreadable for %r" % (safe,))

            # PrettyPrinter methods

            verify(not pp.isrecursive(safe),

                   "expected not isrecursive for %r" % (safe,))

            verify(pp.isreadable(safe),

                   "expected isreadable for %r" % (safe,))

    def test_unreadable(self):

        # Not recursive but not readable anyway

        verify = self.assert_

        pp = pprint.PrettyPrinter()

        for unreadable in type(3), pprint, pprint.isrecursive:

            # module-level convenience functions

            verify(not pprint.isrecursive(unreadable),

                   "expected not isrecursive for %r" % (unreadable,))

            verify(not pprint.isreadable(unreadable),

                   "expected not isreadable for %r" % (unreadable,))

            # PrettyPrinter methods

            verify(not pp.isrecursive(unreadable),

                   "expected not isrecursive for %r" % (unreadable,))

            verify(not pp.isreadable(unreadable),

                   "expected not isreadable for %r" % (unreadable,))

    def test_same_as_repr(self):

        # Simple objects, small containers and classes that overwrite __repr__

        # For those the result should be the same as repr().

        # Ahem.  The docs don't say anything about that -- this appears to

        # be testing an implementation quirk.  Starting in Python 2.5, it's

        # not true for dicts:  pprint always sorts dicts by key now; before,

        # it sorted a dict display if and only if the display required

        # multiple lines.  For that reason, dicts with more than one element

        # aren't tested here.

        verify = self.assert_

        for simple in (0, 0L, 0+0j, 0.0, "", uni(""),

                       (), tuple2(), tuple3(),

                       [], list2(), list3(),

                       {}, dict2(), dict3(),

                       verify, pprint,

                       -6, -6L, -6-6j, -1.5, "x", uni("x"), (3,), [3], {3: 6},

                       (1,2), [3,4], {5: 6, 7: 8},

                       tuple2((1,2)), tuple3((1,2)), tuple3(range(100)),

                       [3,4], list2([3,4]), list3([3,4]), list3(range(100)),

                       {5: 6, 7: 8}, dict2({5: 6}), dict3({5: 6}),

                       range(10, -11, -1)

                      ):

            native = repr(simple)

            for function in "pformat", "saferepr":

                f = getattr(pprint, function)

                got = f(simple)

                verify(native == got, "expected %s got %s from pprint.%s" %

                                      (native, got, function))

    def test_basic_line_wrap(self):

        # verify basic line-wrapping operation

        o = {'RPM_cal': 0,

             'RPM_cal2': 48059,

             'Speed_cal': 0,

             'controldesk_runtime_us': 0,

             'main_code_runtime_us': 0,

             'read_io_runtime_us': 0,

             'write_io_runtime_us': 43690}

        exp = """\

{'RPM_cal': 0,

 'RPM_cal2': 48059,

 'Speed_cal': 0,

 'controldesk_runtime_us': 0,

 'main_code_runtime_us': 0,

 'read_io_runtime_us': 0,

 'write_io_runtime_us': 43690}"""

        for type in [dict, dict2]:

            self.assertEqual(pprint.pformat(type(o)), exp)

        o = range(100)

        exp = '[%s]' % ',\n '.join(map(str, o))

        for type in [list, list2]:

            self.assertEqual(pprint.pformat(type(o)), exp)

        o = tuple(range(100))

        exp = '(%s)' % ',\n '.join(map(str, o))

        for type in [tuple, tuple2]:

            self.assertEqual(pprint.pformat(type(o)), exp)

        # indent parameter

        o = range(100)

        exp = '[   %s]' % ',\n    '.join(map(str, o))

        for type in [list, list2]:

            self.assertEqual(pprint.pformat(type(o), indent=4), exp)

    def test_sorted_dict(self):

        # Starting in Python 2.5, pprint sorts dict displays by key regardless

        # of how small the dictionary may be.

        # Before the change, on 32-bit Windows pformat() gave order

        # 'a', 'c', 'b' here, so this test failed.

        d = {'a': 1, 'b': 1, 'c': 1}

        self.assertEqual(pprint.pformat(d), "{'a': 1, 'b': 1, 'c': 1}")

        self.assertEqual(pprint.pformat([d, d]),

            "[{'a': 1, 'b': 1, 'c': 1}, {'a': 1, 'b': 1, 'c': 1}]")

        # The next one is kind of goofy.  The sorted order depends on the

        # alphabetic order of type names:  "int" < "str" < "tuple".  Before

        # Python 2.5, this was in the test_same_as_repr() test.  It's worth

        # keeping around for now because it's one of few tests of pprint

        # against a crazy mix of types.

        self.assertEqual(pprint.pformat({"xy\tab\n": (3,), 5: [[]], (): {}}),

            r"{5: [[]], 'xy\tab\n': (3,), (): {}}")

    def test_subclassing(self):

        o = {'names with spaces': 'should be presented using repr()',

             'others.should.not.be': 'like.this'}

        exp = """\

{'names with spaces': 'should be presented using repr()',

 others.should.not.be: like.this}"""

        self.assertEqual(DottedPrettyPrinter().pformat(o), exp)

class DottedPrettyPrinter(pprint.PrettyPrinter):

    def format(self, object, context, maxlevels, level):

        if isinstance(object, str):

            if ' ' in object:

                return repr(object), 1, 0

            else:

                return object, 0, 0

        else:

            return pprint.PrettyPrinter.format(

                self, object, context, maxlevels, level)

def test_main():

    test.test_support.run_unittest(QueryTestCase)

if __name__ == "__main__":

    test_main()