summaryrefslogtreecommitdiffstats
path: root/Lib/test/test_json
diff options
context:
space:
mode:
Diffstat (limited to 'Lib/test/test_json')
-rw-r--r--Lib/test/test_json/__init__.py19
-rw-r--r--Lib/test/test_json/test_decode.py23
-rw-r--r--Lib/test/test_json/test_enum.py120
-rw-r--r--Lib/test/test_json/test_fail.py89
-rw-r--r--Lib/test/test_json/test_indent.py4
-rw-r--r--Lib/test/test_json/test_separators.py6
6 files changed, 245 insertions, 16 deletions
diff --git a/Lib/test/test_json/__init__.py b/Lib/test/test_json/__init__.py
index f994f9b..2cf1032 100644
--- a/Lib/test/test_json/__init__.py
+++ b/Lib/test/test_json/__init__.py
@@ -42,23 +42,12 @@ class TestCTest(CTest):
'_json')
-here = os.path.dirname(__file__)
-
-def load_tests(*args):
- suite = additional_tests()
- loader = unittest.TestLoader()
- for fn in os.listdir(here):
- if fn.startswith("test") and fn.endswith(".py"):
- modname = "test.test_json." + fn[:-3]
- __import__(modname)
- module = sys.modules[modname]
- suite.addTests(loader.loadTestsFromModule(module))
- return suite
-
-def additional_tests():
+def load_tests(loader, _, pattern):
suite = unittest.TestSuite()
for mod in (json, json.encoder, json.decoder):
suite.addTest(doctest.DocTestSuite(mod))
suite.addTest(TestPyTest('test_pyjson'))
suite.addTest(TestCTest('test_cjson'))
- return suite
+
+ pkg_dir = os.path.dirname(__file__)
+ return support.load_package_tests(pkg_dir, loader, suite, pattern)
diff --git a/Lib/test/test_json/test_decode.py b/Lib/test/test_json/test_decode.py
index 17245eb..591b2e2 100644
--- a/Lib/test/test_json/test_decode.py
+++ b/Lib/test/test_json/test_decode.py
@@ -1,5 +1,5 @@
import decimal
-from io import StringIO
+from io import StringIO, BytesIO
from collections import OrderedDict
from test.test_json import PyTest, CTest
@@ -70,6 +70,27 @@ class TestDecode:
msg = 'escape'
self.assertRaisesRegex(ValueError, msg, self.loads, s)
+ def test_invalid_input_type(self):
+ msg = 'the JSON object must be str'
+ for value in [1, 3.14, b'bytes', b'\xff\x00', [], {}, None]:
+ self.assertRaisesRegex(TypeError, msg, self.loads, value)
+ with self.assertRaisesRegex(TypeError, msg):
+ self.json.load(BytesIO(b'[1,2,3]'))
+
+ def test_string_with_utf8_bom(self):
+ # see #18958
+ bom_json = "[1,2,3]".encode('utf-8-sig').decode('utf-8')
+ with self.assertRaises(ValueError) as cm:
+ self.loads(bom_json)
+ self.assertIn('BOM', str(cm.exception))
+ with self.assertRaises(ValueError) as cm:
+ self.json.load(StringIO(bom_json))
+ self.assertIn('BOM', str(cm.exception))
+ # make sure that the BOM is not detected in the middle of a string
+ bom_in_str = '"{}"'.format(''.encode('utf-8-sig').decode('utf-8'))
+ self.assertEqual(self.loads(bom_in_str), '\ufeff')
+ self.assertEqual(self.json.load(StringIO(bom_in_str)), '\ufeff')
+
def test_negative_index(self):
d = self.json.JSONDecoder()
self.assertRaises(ValueError, d.raw_decode, 'a'*42, -50000)
diff --git a/Lib/test/test_json/test_enum.py b/Lib/test/test_json/test_enum.py
new file mode 100644
index 0000000..10f4148
--- /dev/null
+++ b/Lib/test/test_json/test_enum.py
@@ -0,0 +1,120 @@
+from enum import Enum, IntEnum
+from math import isnan
+from test.test_json import PyTest, CTest
+
+SMALL = 1
+BIG = 1<<32
+HUGE = 1<<64
+REALLY_HUGE = 1<<96
+
+class BigNum(IntEnum):
+ small = SMALL
+ big = BIG
+ huge = HUGE
+ really_huge = REALLY_HUGE
+
+E = 2.718281
+PI = 3.141593
+TAU = 2 * PI
+
+class FloatNum(float, Enum):
+ e = E
+ pi = PI
+ tau = TAU
+
+INF = float('inf')
+NEG_INF = float('-inf')
+NAN = float('nan')
+
+class WierdNum(float, Enum):
+ inf = INF
+ neg_inf = NEG_INF
+ nan = NAN
+
+class TestEnum:
+
+ def test_floats(self):
+ for enum in FloatNum:
+ self.assertEqual(self.dumps(enum), repr(enum.value))
+ self.assertEqual(float(self.dumps(enum)), enum)
+ self.assertEqual(self.loads(self.dumps(enum)), enum)
+
+ def test_weird_floats(self):
+ for enum, expected in zip(WierdNum, ('Infinity', '-Infinity', 'NaN')):
+ self.assertEqual(self.dumps(enum), expected)
+ if not isnan(enum):
+ self.assertEqual(float(self.dumps(enum)), enum)
+ self.assertEqual(self.loads(self.dumps(enum)), enum)
+ else:
+ self.assertTrue(isnan(float(self.dumps(enum))))
+ self.assertTrue(isnan(self.loads(self.dumps(enum))))
+
+ def test_ints(self):
+ for enum in BigNum:
+ self.assertEqual(self.dumps(enum), str(enum.value))
+ self.assertEqual(int(self.dumps(enum)), enum)
+ self.assertEqual(self.loads(self.dumps(enum)), enum)
+
+ def test_list(self):
+ self.assertEqual(self.dumps(list(BigNum)),
+ str([SMALL, BIG, HUGE, REALLY_HUGE]))
+ self.assertEqual(self.loads(self.dumps(list(BigNum))),
+ list(BigNum))
+ self.assertEqual(self.dumps(list(FloatNum)),
+ str([E, PI, TAU]))
+ self.assertEqual(self.loads(self.dumps(list(FloatNum))),
+ list(FloatNum))
+ self.assertEqual(self.dumps(list(WierdNum)),
+ '[Infinity, -Infinity, NaN]')
+ self.assertEqual(self.loads(self.dumps(list(WierdNum)))[:2],
+ list(WierdNum)[:2])
+ self.assertTrue(isnan(self.loads(self.dumps(list(WierdNum)))[2]))
+
+ def test_dict_keys(self):
+ s, b, h, r = BigNum
+ e, p, t = FloatNum
+ i, j, n = WierdNum
+ d = {
+ s:'tiny', b:'large', h:'larger', r:'largest',
+ e:"Euler's number", p:'pi', t:'tau',
+ i:'Infinity', j:'-Infinity', n:'NaN',
+ }
+ nd = self.loads(self.dumps(d))
+ self.assertEqual(nd[str(SMALL)], 'tiny')
+ self.assertEqual(nd[str(BIG)], 'large')
+ self.assertEqual(nd[str(HUGE)], 'larger')
+ self.assertEqual(nd[str(REALLY_HUGE)], 'largest')
+ self.assertEqual(nd[repr(E)], "Euler's number")
+ self.assertEqual(nd[repr(PI)], 'pi')
+ self.assertEqual(nd[repr(TAU)], 'tau')
+ self.assertEqual(nd['Infinity'], 'Infinity')
+ self.assertEqual(nd['-Infinity'], '-Infinity')
+ self.assertEqual(nd['NaN'], 'NaN')
+
+ def test_dict_values(self):
+ d = dict(
+ tiny=BigNum.small,
+ large=BigNum.big,
+ larger=BigNum.huge,
+ largest=BigNum.really_huge,
+ e=FloatNum.e,
+ pi=FloatNum.pi,
+ tau=FloatNum.tau,
+ i=WierdNum.inf,
+ j=WierdNum.neg_inf,
+ n=WierdNum.nan,
+ )
+ nd = self.loads(self.dumps(d))
+ self.assertEqual(nd['tiny'], SMALL)
+ self.assertEqual(nd['large'], BIG)
+ self.assertEqual(nd['larger'], HUGE)
+ self.assertEqual(nd['largest'], REALLY_HUGE)
+ self.assertEqual(nd['e'], E)
+ self.assertEqual(nd['pi'], PI)
+ self.assertEqual(nd['tau'], TAU)
+ self.assertEqual(nd['i'], INF)
+ self.assertEqual(nd['j'], NEG_INF)
+ self.assertTrue(isnan(nd['n']))
+
+class TestPyEnum(TestEnum, PyTest): pass
+class TestCEnum(TestEnum, CTest): pass
diff --git a/Lib/test/test_json/test_fail.py b/Lib/test/test_json/test_fail.py
index 3dd877a..7caafdb 100644
--- a/Lib/test/test_json/test_fail.py
+++ b/Lib/test/test_json/test_fail.py
@@ -1,4 +1,5 @@
from test.test_json import PyTest, CTest
+import re
# 2007-10-05
JSONDOCS = [
@@ -100,6 +101,94 @@ class TestFail:
#This is for python encoder
self.assertRaises(TypeError, self.dumps, data, indent=True)
+ def test_truncated_input(self):
+ test_cases = [
+ ('', 'Expecting value', 0),
+ ('[', 'Expecting value', 1),
+ ('[42', "Expecting ',' delimiter", 3),
+ ('[42,', 'Expecting value', 4),
+ ('["', 'Unterminated string starting at', 1),
+ ('["spam', 'Unterminated string starting at', 1),
+ ('["spam"', "Expecting ',' delimiter", 7),
+ ('["spam",', 'Expecting value', 8),
+ ('{', 'Expecting property name enclosed in double quotes', 1),
+ ('{"', 'Unterminated string starting at', 1),
+ ('{"spam', 'Unterminated string starting at', 1),
+ ('{"spam"', "Expecting ':' delimiter", 7),
+ ('{"spam":', 'Expecting value', 8),
+ ('{"spam":42', "Expecting ',' delimiter", 10),
+ ('{"spam":42,', 'Expecting property name enclosed in double quotes', 11),
+ ]
+ test_cases += [
+ ('"', 'Unterminated string starting at', 0),
+ ('"spam', 'Unterminated string starting at', 0),
+ ]
+ for data, msg, idx in test_cases:
+ self.assertRaisesRegex(ValueError,
+ r'^{0}: line 1 column {1} \(char {2}\)'.format(
+ re.escape(msg), idx + 1, idx),
+ self.loads, data)
+
+ def test_unexpected_data(self):
+ test_cases = [
+ ('[,', 'Expecting value', 1),
+ ('{"spam":[}', 'Expecting value', 9),
+ ('[42:', "Expecting ',' delimiter", 3),
+ ('[42 "spam"', "Expecting ',' delimiter", 4),
+ ('[42,]', 'Expecting value', 4),
+ ('{"spam":[42}', "Expecting ',' delimiter", 11),
+ ('["]', 'Unterminated string starting at', 1),
+ ('["spam":', "Expecting ',' delimiter", 7),
+ ('["spam",]', 'Expecting value', 8),
+ ('{:', 'Expecting property name enclosed in double quotes', 1),
+ ('{,', 'Expecting property name enclosed in double quotes', 1),
+ ('{42', 'Expecting property name enclosed in double quotes', 1),
+ ('[{]', 'Expecting property name enclosed in double quotes', 2),
+ ('{"spam",', "Expecting ':' delimiter", 7),
+ ('{"spam"}', "Expecting ':' delimiter", 7),
+ ('[{"spam"]', "Expecting ':' delimiter", 8),
+ ('{"spam":}', 'Expecting value', 8),
+ ('[{"spam":]', 'Expecting value', 9),
+ ('{"spam":42 "ham"', "Expecting ',' delimiter", 11),
+ ('[{"spam":42]', "Expecting ',' delimiter", 11),
+ ('{"spam":42,}', 'Expecting property name enclosed in double quotes', 11),
+ ]
+ for data, msg, idx in test_cases:
+ self.assertRaisesRegex(ValueError,
+ r'^{0}: line 1 column {1} \(char {2}\)'.format(
+ re.escape(msg), idx + 1, idx),
+ self.loads, data)
+
+ def test_extra_data(self):
+ test_cases = [
+ ('[]]', 'Extra data', 2),
+ ('{}}', 'Extra data', 2),
+ ('[],[]', 'Extra data', 2),
+ ('{},{}', 'Extra data', 2),
+ ]
+ test_cases += [
+ ('42,"spam"', 'Extra data', 2),
+ ('"spam",42', 'Extra data', 6),
+ ]
+ for data, msg, idx in test_cases:
+ self.assertRaisesRegex(ValueError,
+ r'^{0}: line 1 column {1} - line 1 column {2}'
+ r' \(char {3} - {4}\)'.format(
+ re.escape(msg), idx + 1, len(data) + 1, idx, len(data)),
+ self.loads, data)
+
+ def test_linecol(self):
+ test_cases = [
+ ('!', 1, 1, 0),
+ (' !', 1, 2, 1),
+ ('\n!', 2, 1, 1),
+ ('\n \n\n !', 4, 6, 10),
+ ]
+ for data, line, col, idx in test_cases:
+ self.assertRaisesRegex(ValueError,
+ r'^Expecting value: line {0} column {1}'
+ r' \(char {2}\)$'.format(line, col, idx),
+ self.loads, data)
class TestPyFail(TestFail, PyTest): pass
class TestCFail(TestFail, CTest): pass
diff --git a/Lib/test/test_json/test_indent.py b/Lib/test/test_json/test_indent.py
index a4d4d20..e07856f 100644
--- a/Lib/test/test_json/test_indent.py
+++ b/Lib/test/test_json/test_indent.py
@@ -32,6 +32,8 @@ class TestIndent:
d1 = self.dumps(h)
d2 = self.dumps(h, indent=2, sort_keys=True, separators=(',', ': '))
d3 = self.dumps(h, indent='\t', sort_keys=True, separators=(',', ': '))
+ d4 = self.dumps(h, indent=2, sort_keys=True)
+ d5 = self.dumps(h, indent='\t', sort_keys=True)
h1 = self.loads(d1)
h2 = self.loads(d2)
@@ -42,6 +44,8 @@ class TestIndent:
self.assertEqual(h3, h)
self.assertEqual(d2, expect.expandtabs(2))
self.assertEqual(d3, expect)
+ self.assertEqual(d4, d2)
+ self.assertEqual(d5, d3)
def test_indent0(self):
h = {3: 1}
diff --git a/Lib/test/test_json/test_separators.py b/Lib/test/test_json/test_separators.py
index 84a2be9..8ca5174 100644
--- a/Lib/test/test_json/test_separators.py
+++ b/Lib/test/test_json/test_separators.py
@@ -39,6 +39,12 @@ class TestSeparators:
self.assertEqual(h2, h)
self.assertEqual(d2, expect)
+ def test_illegal_separators(self):
+ h = {1: 2, 3: 4}
+ self.assertRaises(TypeError, self.dumps, h, separators=(b', ', ': '))
+ self.assertRaises(TypeError, self.dumps, h, separators=(', ', b': '))
+ self.assertRaises(TypeError, self.dumps, h, separators=(b', ', b': '))
+
class TestPySeparators(TestSeparators, PyTest): pass
class TestCSeparators(TestSeparators, CTest): pass