Add some test for timestamp (#403)

.github/workflows/black.yaml

@@ -18,4 +18,4 @@ jobs:
       - name: Black Code Formatter
         run: |
           pip install black
-          black --diff --check msgpack/ test/
+          black --diff --check msgpack/ test/ setup.py

msgpack/fallback.py

@@ -77,13 +77,7 @@ else:
     newlist_hint = lambda size: []
 
 
-from .exceptions import (
-    BufferFull,
-    OutOfData,
-    ExtraData,
-    FormatError,
-    StackError,
-)
+from .exceptions import BufferFull, OutOfData, ExtraData, FormatError, StackError
 
 from .ext import ExtType, Timestamp
 

test/test_format.py

@@ -9,29 +9,24 @@ def check(src, should, use_list=0, raw=True):
 
 
 def testSimpleValue():
-    check(b"\x93\xc0\xc2\xc3", (None, False, True,))
+    check(b"\x93\xc0\xc2\xc3", (None, False, True))
 
 
 def testFixnum():
-    check(b"\x92\x93\x00\x40\x7f\x93\xe0\xf0\xff", ((0, 64, 127,), (-32, -16, -1,),))
+    check(b"\x92\x93\x00\x40\x7f\x93\xe0\xf0\xff", ((0, 64, 127), (-32, -16, -1)))
 
 
 def testFixArray():
-    check(
-        b"\x92\x90\x91\x91\xc0", ((), ((None,),),),
-    )
+    check(b"\x92\x90\x91\x91\xc0", ((), ((None,),)))
 
 
 def testFixRaw():
-    check(
-        b"\x94\xa0\xa1a\xa2bc\xa3def", (b"", b"a", b"bc", b"def",),
-    )
+    check(b"\x94\xa0\xa1a\xa2bc\xa3def", (b"", b"a", b"bc", b"def"))
 
 
 def testFixMap():
     check(
-        b"\x82\xc2\x81\xc0\xc0\xc3\x81\xc0\x80",
-        {False: {None: None}, True: {None: {}}},
+        b"\x82\xc2\x81\xc0\xc0\xc3\x81\xc0\x80", {False: {None: None}, True: {None: {}}}
     )
 
 
@@ -40,7 +35,7 @@ def testUnsignedInt():
         b"\x99\xcc\x00\xcc\x80\xcc\xff\xcd\x00\x00\xcd\x80\x00"
         b"\xcd\xff\xff\xce\x00\x00\x00\x00\xce\x80\x00\x00\x00"
         b"\xce\xff\xff\xff\xff",
-        (0, 128, 255, 0, 32768, 65535, 0, 2147483648, 4294967295,),
+        (0, 128, 255, 0, 32768, 65535, 0, 2147483648, 4294967295),
     )
 
 
@@ -49,7 +44,7 @@ def testSignedInt():
         b"\x99\xd0\x00\xd0\x80\xd0\xff\xd1\x00\x00\xd1\x80\x00"
         b"\xd1\xff\xff\xd2\x00\x00\x00\x00\xd2\x80\x00\x00\x00"
         b"\xd2\xff\xff\xff\xff",
-        (0, -128, -1, 0, -32768, -1, 0, -2147483648, -1,),
+        (0, -128, -1, 0, -32768, -1, 0, -2147483648, -1),
     )
 
 

test/test_pack.py

@@ -49,7 +49,7 @@ def testPack():
         False,
         (),
         ((),),
-        ((), None,),
+        ((), None),
         {None: 0},
         (1 << 23),
     ]
@@ -69,21 +69,13 @@ def testPackUnicode():
 
 
 def testPackBytes():
-    test_data = [
-        b"",
-        b"abcd",
-        (b"defgh",),
-    ]
+    test_data = [b"", b"abcd", (b"defgh",)]
     for td in test_data:
         check(td)
 
 
 def testPackByteArrays():
-    test_data = [
-        bytearray(b""),
-        bytearray(b"abcd"),
-        (bytearray(b"defgh"),),
-    ]
+    test_data = [bytearray(b""), bytearray(b"abcd"), (bytearray(b"defgh"),)]
     for td in test_data:
         check(td)
 

test/test_stricttype.py

@@ -22,10 +22,7 @@ def test_tuple():
 
     def default(o):
         if isinstance(o, tuple):
-            return {
-                "__type__": "tuple",
-                "value": list(o),
-            }
+            return {"__type__": "tuple", "value": list(o)}
         raise TypeError("Unsupported type %s" % (type(o),))
 
     def convert(o):

test/test_timestamp.py

@@ -46,6 +46,33 @@ def test_timestamp():
     assert ts == unpacked
 
 
+def test_unpack_timestamp():
+    # timestamp 32
+    assert msgpack.unpackb(b"\xd6\xff\x00\x00\x00\x00") == Timestamp(0)
+
+    # timestamp 64
+    assert msgpack.unpackb(b"\xd7\xff" + b"\x00" * 8) == Timestamp(0)
+    with pytest.raises(ValueError):
+        msgpack.unpackb(b"\xd7\xff" + b"\xff" * 8)
+
+    # timestamp 96
+    assert msgpack.unpackb(b"\xc7\x0c\xff" + b"\x00" * 12) == Timestamp(0)
+    with pytest.raises(ValueError):
+        msgpack.unpackb(b"\xc7\x0c\xff" + b"\xff" * 12) == Timestamp(0)
+
+    # Undefined
+    with pytest.raises(ValueError):
+        msgpack.unpackb(b"\xd4\xff\x00")  # fixext 1
+    with pytest.raises(ValueError):
+        msgpack.unpackb(b"\xd5\xff\x00\x00")  # fixext 2
+    with pytest.raises(ValueError):
+        msgpack.unpackb(b"\xc7\x00\xff")  # ext8 (len=0)
+    with pytest.raises(ValueError):
+        msgpack.unpackb(b"\xc7\x03\xff\0\0\0")  # ext8 (len=3)
+    with pytest.raises(ValueError):
+        msgpack.unpackb(b"\xc7\x05\xff\0\0\0\0\0")  # ext8 (len=5)
+
+
 def test_timestamp_from():
     t = Timestamp(42, 14000)
     assert Timestamp.from_unix(42.000014) == t