| 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() |
| 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, 7: 8}), dict3({5: 6, 7: 8}), |
| dict3([(x,x) for x in range(100)]), |
| {"xy\tab\n": (3,), 5: [[]], (): {}}, |
| 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_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() |