| import pprint |
| import test.support |
| import unittest |
| import test.test_set |
| import random |
| |
| # 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 Unorderable: |
| def __repr__(self): |
| return str(id(self)) |
| |
| class QueryTestCase(unittest.TestCase): |
| |
| def setUp(self): |
| self.a = list(range(100)) |
| self.b = list(range(200)) |
| self.a[-12] = self.b |
| |
| def test_basic(self): |
| # Verify .isrecursive() and .isreadable() w/o recursion |
| pp = pprint.PrettyPrinter() |
| for safe in (2, 2.0, 2j, "abc", [3], (2,2), {3: 3}, "yaddayadda", |
| self.a, self.b): |
| # module-level convenience functions |
| self.assertFalse(pprint.isrecursive(safe), |
| "expected not isrecursive for %r" % (safe,)) |
| self.assertTrue(pprint.isreadable(safe), |
| "expected isreadable for %r" % (safe,)) |
| # PrettyPrinter methods |
| self.assertFalse(pp.isrecursive(safe), |
| "expected not isrecursive for %r" % (safe,)) |
| self.assertTrue(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 |
| |
| pp = pprint.PrettyPrinter() |
| |
| for icky in self.a, self.b, self.d, (self.d, self.d): |
| self.assertTrue(pprint.isrecursive(icky), "expected isrecursive") |
| self.assertFalse(pprint.isreadable(icky), "expected not isreadable") |
| self.assertTrue(pp.isrecursive(icky), "expected isrecursive") |
| self.assertFalse(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 |
| self.assertFalse(pprint.isrecursive(safe), |
| "expected not isrecursive for %r" % (safe,)) |
| self.assertTrue(pprint.isreadable(safe), |
| "expected isreadable for %r" % (safe,)) |
| # PrettyPrinter methods |
| self.assertFalse(pp.isrecursive(safe), |
| "expected not isrecursive for %r" % (safe,)) |
| self.assertTrue(pp.isreadable(safe), |
| "expected isreadable for %r" % (safe,)) |
| |
| def test_unreadable(self): |
| # Not recursive but not readable anyway |
| pp = pprint.PrettyPrinter() |
| for unreadable in type(3), pprint, pprint.isrecursive: |
| # module-level convenience functions |
| self.assertFalse(pprint.isrecursive(unreadable), |
| "expected not isrecursive for %r" % (unreadable,)) |
| self.assertFalse(pprint.isreadable(unreadable), |
| "expected not isreadable for %r" % (unreadable,)) |
| # PrettyPrinter methods |
| self.assertFalse(pp.isrecursive(unreadable), |
| "expected not isrecursive for %r" % (unreadable,)) |
| self.assertFalse(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. |
| for simple in (0, 0, 0+0j, 0.0, "", b"", |
| (), tuple2(), tuple3(), |
| [], list2(), list3(), |
| {}, dict2(), dict3(), |
| self.assertTrue, pprint, |
| -6, -6, -6-6j, -1.5, "x", b"x", (3,), [3], {3: 6}, |
| (1,2), [3,4], {5: 6}, |
| tuple2((1,2)), tuple3((1,2)), tuple3(range(100)), |
| [3,4], list2([3,4]), list3([3,4]), list3(range(100)), |
| 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) |
| self.assertEqual(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_nested_indentations(self): |
| o1 = list(range(10)) |
| o2 = dict(first=1, second=2, third=3) |
| o = [o1, o2] |
| expected = """\ |
| [ [0, 1, 2, 3, 4, 5, 6, 7, 8, 9], |
| { 'first': 1, |
| 'second': 2, |
| 'third': 3}]""" |
| self.assertEqual(pprint.pformat(o, indent=4, width=42), expected) |
| |
| 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) |
| |
| def test_set_reprs(self): |
| self.assertEqual(pprint.pformat(set()), 'set()') |
| self.assertEqual(pprint.pformat(set(range(3))), '{0, 1, 2}') |
| self.assertEqual(pprint.pformat(frozenset()), 'frozenset()') |
| self.assertEqual(pprint.pformat(frozenset(range(3))), 'frozenset({0, 1, 2})') |
| cube_repr_tgt = """\ |
| {frozenset(): frozenset({frozenset({2}), frozenset({0}), frozenset({1})}), |
| frozenset({0}): frozenset({frozenset(), |
| frozenset({0, 2}), |
| frozenset({0, 1})}), |
| frozenset({1}): frozenset({frozenset(), |
| frozenset({1, 2}), |
| frozenset({0, 1})}), |
| frozenset({2}): frozenset({frozenset(), |
| frozenset({1, 2}), |
| frozenset({0, 2})}), |
| frozenset({1, 2}): frozenset({frozenset({2}), |
| frozenset({1}), |
| frozenset({0, 1, 2})}), |
| frozenset({0, 2}): frozenset({frozenset({2}), |
| frozenset({0}), |
| frozenset({0, 1, 2})}), |
| frozenset({0, 1}): frozenset({frozenset({0}), |
| frozenset({1}), |
| frozenset({0, 1, 2})}), |
| frozenset({0, 1, 2}): frozenset({frozenset({1, 2}), |
| frozenset({0, 2}), |
| frozenset({0, 1})})}""" |
| cube = test.test_set.cube(3) |
| self.assertEqual(pprint.pformat(cube), cube_repr_tgt) |
| cubo_repr_tgt = """\ |
| {frozenset({frozenset({0, 2}), frozenset({0})}): frozenset({frozenset({frozenset({0, |
| 2}), |
| frozenset({0, |
| 1, |
| 2})}), |
| frozenset({frozenset({0}), |
| frozenset({0, |
| 1})}), |
| frozenset({frozenset(), |
| frozenset({0})}), |
| frozenset({frozenset({2}), |
| frozenset({0, |
| 2})})}), |
| frozenset({frozenset({0, 1}), frozenset({1})}): frozenset({frozenset({frozenset({0, |
| 1}), |
| frozenset({0, |
| 1, |
| 2})}), |
| frozenset({frozenset({0}), |
| frozenset({0, |
| 1})}), |
| frozenset({frozenset({1}), |
| frozenset({1, |
| 2})}), |
| frozenset({frozenset(), |
| frozenset({1})})}), |
| frozenset({frozenset({1, 2}), frozenset({1})}): frozenset({frozenset({frozenset({1, |
| 2}), |
| frozenset({0, |
| 1, |
| 2})}), |
| frozenset({frozenset({2}), |
| frozenset({1, |
| 2})}), |
| frozenset({frozenset(), |
| frozenset({1})}), |
| frozenset({frozenset({1}), |
| frozenset({0, |
| 1})})}), |
| frozenset({frozenset({1, 2}), frozenset({2})}): frozenset({frozenset({frozenset({1, |
| 2}), |
| frozenset({0, |
| 1, |
| 2})}), |
| frozenset({frozenset({1}), |
| frozenset({1, |
| 2})}), |
| frozenset({frozenset({2}), |
| frozenset({0, |
| 2})}), |
| frozenset({frozenset(), |
| frozenset({2})})}), |
| frozenset({frozenset(), frozenset({0})}): frozenset({frozenset({frozenset({0}), |
| frozenset({0, |
| 1})}), |
| frozenset({frozenset({0}), |
| frozenset({0, |
| 2})}), |
| frozenset({frozenset(), |
| frozenset({1})}), |
| frozenset({frozenset(), |
| frozenset({2})})}), |
| frozenset({frozenset(), frozenset({1})}): frozenset({frozenset({frozenset(), |
| frozenset({0})}), |
| frozenset({frozenset({1}), |
| frozenset({1, |
| 2})}), |
| frozenset({frozenset(), |
| frozenset({2})}), |
| frozenset({frozenset({1}), |
| frozenset({0, |
| 1})})}), |
| frozenset({frozenset({2}), frozenset()}): frozenset({frozenset({frozenset({2}), |
| frozenset({1, |
| 2})}), |
| frozenset({frozenset(), |
| frozenset({0})}), |
| frozenset({frozenset(), |
| frozenset({1})}), |
| frozenset({frozenset({2}), |
| frozenset({0, |
| 2})})}), |
| frozenset({frozenset({0, 1, 2}), frozenset({0, 1})}): frozenset({frozenset({frozenset({1, |
| 2}), |
| frozenset({0, |
| 1, |
| 2})}), |
| frozenset({frozenset({0, |
| 2}), |
| frozenset({0, |
| 1, |
| 2})}), |
| frozenset({frozenset({0}), |
| frozenset({0, |
| 1})}), |
| frozenset({frozenset({1}), |
| frozenset({0, |
| 1})})}), |
| frozenset({frozenset({0}), frozenset({0, 1})}): frozenset({frozenset({frozenset(), |
| frozenset({0})}), |
| frozenset({frozenset({0, |
| 1}), |
| frozenset({0, |
| 1, |
| 2})}), |
| frozenset({frozenset({0}), |
| frozenset({0, |
| 2})}), |
| frozenset({frozenset({1}), |
| frozenset({0, |
| 1})})}), |
| frozenset({frozenset({2}), frozenset({0, 2})}): frozenset({frozenset({frozenset({0, |
| 2}), |
| frozenset({0, |
| 1, |
| 2})}), |
| frozenset({frozenset({2}), |
| frozenset({1, |
| 2})}), |
| frozenset({frozenset({0}), |
| frozenset({0, |
| 2})}), |
| frozenset({frozenset(), |
| frozenset({2})})}), |
| frozenset({frozenset({0, 1, 2}), frozenset({0, 2})}): frozenset({frozenset({frozenset({1, |
| 2}), |
| frozenset({0, |
| 1, |
| 2})}), |
| frozenset({frozenset({0, |
| 1}), |
| frozenset({0, |
| 1, |
| 2})}), |
| frozenset({frozenset({0}), |
| frozenset({0, |
| 2})}), |
| frozenset({frozenset({2}), |
| frozenset({0, |
| 2})})}), |
| frozenset({frozenset({1, 2}), frozenset({0, 1, 2})}): frozenset({frozenset({frozenset({0, |
| 2}), |
| frozenset({0, |
| 1, |
| 2})}), |
| frozenset({frozenset({0, |
| 1}), |
| frozenset({0, |
| 1, |
| 2})}), |
| frozenset({frozenset({2}), |
| frozenset({1, |
| 2})}), |
| frozenset({frozenset({1}), |
| frozenset({1, |
| 2})})})}""" |
| |
| cubo = test.test_set.linegraph(cube) |
| self.assertEqual(pprint.pformat(cubo), cubo_repr_tgt) |
| |
| def test_depth(self): |
| nested_tuple = (1, (2, (3, (4, (5, 6))))) |
| nested_dict = {1: {2: {3: {4: {5: {6: 6}}}}}} |
| nested_list = [1, [2, [3, [4, [5, [6, []]]]]]] |
| self.assertEqual(pprint.pformat(nested_tuple), repr(nested_tuple)) |
| self.assertEqual(pprint.pformat(nested_dict), repr(nested_dict)) |
| self.assertEqual(pprint.pformat(nested_list), repr(nested_list)) |
| |
| lv1_tuple = '(1, (...))' |
| lv1_dict = '{1: {...}}' |
| lv1_list = '[1, [...]]' |
| self.assertEqual(pprint.pformat(nested_tuple, depth=1), lv1_tuple) |
| self.assertEqual(pprint.pformat(nested_dict, depth=1), lv1_dict) |
| self.assertEqual(pprint.pformat(nested_list, depth=1), lv1_list) |
| |
| def test_sort_unorderable_values(self): |
| # Issue 3976: sorted pprints fail for unorderable values. |
| n = 20 |
| keys = [Unorderable() for i in range(n)] |
| random.shuffle(keys) |
| skeys = sorted(keys, key=id) |
| clean = lambda s: s.replace(' ', '').replace('\n','') |
| |
| self.assertEqual(clean(pprint.pformat(set(keys))), |
| '{' + ','.join(map(repr, skeys)) + '}') |
| self.assertEqual(clean(pprint.pformat(frozenset(keys))), |
| 'frozenset({' + ','.join(map(repr, skeys)) + '})') |
| self.assertEqual(clean(pprint.pformat(dict.fromkeys(keys))), |
| '{' + ','.join('%r:None' % k for k in skeys) + '}') |
| |
| 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.support.run_unittest(QueryTestCase) |
| |
| |
| if __name__ == "__main__": |
| test_main() |