332 lines
9.3 KiB
Python
332 lines
9.3 KiB
Python
from minecraft.networking.datatypes import * # noqa undefined-names
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import unittest
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class BaseDatatypeTester(unittest.TestCase):
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DATATYPE_CLS = Datatype # We use Datatype as a an example here.
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# VALID_VALUES should have the following format:
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# [(DESERIALIZED_VALUE, SERIALIZED_VALUE), ...]
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#
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# So that DESERIALIZED_VALUE is SERIALIZED_VALUE when serialized
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# and vice versa.
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VALID_VALUES = []
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# INVALID_SERIALIZATION_VALUES should be a list of tuples
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# containing the value and the expected exception.
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INVALID_SERIALIZATION_VALUES = []
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# INVALID_DESERIALIZATION_VALUES should be a list of tuples
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# containing the value and the expected exception.
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INVALID_DESERIALIZATION_VALUES = []
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def dynamic_assert_equal(self, first, second):
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"""
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Overriden by floating point datatypes in order to handle
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the floating point issue.
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"""
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return self.assertEqual(first, second)
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def test_init(self):
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d = self.DATATYPE_CLS() # noqa
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def test_init_with_arg(self):
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# We shouldn't accept any parameters.
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with self.assertRaises(TypeError):
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d = self.DATATYPE_CLS("This is a positional argument...") # noqa
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def test_valid_data_serialization_values(self):
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for deserialized_val, serialized_val in self.VALID_VALUES:
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self.dynamic_assert_equal(
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self.DATATYPE_CLS.serialize(deserialized_val),
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serialized_val)
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def test_valid_data_deserialization_values(self):
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for deserialized_val, serialized_val in self.VALID_VALUES:
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self.dynamic_assert_equal(
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self.DATATYPE_CLS.deserialize(serialized_val),
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deserialized_val)
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def test_invalid_data_serialization_values(self):
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for value, exception in self.INVALID_SERIALIZATION_VALUES:
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with self.assertRaises(exception):
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self.DATATYPE_CLS.serialize(value)
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def test_invalid_data_deserialization_values(self):
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for value, exception in self.INVALID_DESERIALIZATION_VALUES:
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with self.assertRaises(exception):
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self.DATATYPE_CLS.deserialize(value)
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class BaseNumberDatatypeTester(BaseDatatypeTester):
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BASE_NUMBER_INVALID_SERIALIZATION_VALUES = [
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("", TypeError),
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("Test", TypeError),
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(b"\x00", TypeError),
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(b"\x80", TypeError),
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(True, TypeError),
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(False, TypeError)
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]
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def base_number_invalid_data_serialization_values(self):
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values_to_test = BASE_INVALID_SERIALIZATION_VALUES
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if (cls.MIN_NUMBER_VALUE is not None
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and cls.MAX_NUMBER_VALUE is not None):
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values_to_test.extend([
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(self.DATATYPE_CLS.MIN_NUMBER_VALUE - 1, ValueError),
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(self.DATATYPE_CLS.MAX_NUMBER_VALUE + 1, ValueError)
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])
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for value, exception in values_to_test:
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with self.assertRaises(exception):
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self.DATATYPE_CLS.serialize(value)
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class BaseStringDatatypeTester(BaseDatatypeTester):
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pass
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BASE_INVALID_DESERIALIZATION_VALUES = [
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(-1, TypeError),
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(0, TypeError),
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(1, TypeError),
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("", ValueError),
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(True, TypeError),
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(False, TypeError)
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]
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class DatatypeTest(BaseDatatypeTester):
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DATATYPE_CLS = Datatype
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class NumberDatatypeTest(BaseNumberDatatypeTester):
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DATATYPE_CLS = NumberDatatype
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class StringDatatypeTest(BaseStringDatatypeTester):
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DATATYPE_CLS = StringDatatype
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class BooleanTest(BaseDatatypeTester):
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DATATYPE_CLS = Boolean
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VALID_VALUES = [
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(True, b"\x01"),
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(False, b"\x00")
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]
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INVALID_SERIALIZATION_VALUES = [
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("\x00", TypeError),
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("\x01", TypeError),
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("\x02", TypeError),
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(-1, TypeError),
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(0, TypeError),
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(1, TypeError),
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("", TypeError),
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("Test", TypeError)
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]
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# Use list(BASE_INVALID_DESERIALIZATION_VALUES) instead of
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# just = BASE_INVALID_DESERIALIZATION_VALUES, cause we want a COPY
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# of the list, NOT a reference (that we'll later extend!)
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INVALID_DESERIALIZATION_VALUES = list(BASE_INVALID_DESERIALIZATION_VALUES)
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INVALID_DESERIALIZATION_VALUES.extend([
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(b"\x00\x01", ValueError)
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])
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class ByteTest(BaseNumberDatatypeTester):
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DATATYPE_CLS = Byte
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VALID_VALUES = [
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(-128, b"\x80"),
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(-22, b"\xea"),
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(0, b"\x00"),
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(22, b"\x16"),
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(127, b"\x7f")
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]
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INVALID_DESERIALIZATION_VALUES = list(BASE_INVALID_DESERIALIZATION_VALUES)
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INVALID_DESERIALIZATION_VALUES.extend([
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(b"\x01\x20", ValueError),
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])
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class UnsignedByteTest(BaseNumberDatatypeTester):
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DATATYPE_CLS = UnsignedByte
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VALID_VALUES = [
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(0, b"\x00"),
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(127, b"\x7f"),
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(255, b"\xff")
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]
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INVALID_DESERIALIZATION_VALUES = ByteTest.INVALID_DESERIALIZATION_VALUES
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class ShortTest(BaseNumberDatatypeTester):
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DATATYPE_CLS = Short
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VALID_VALUES = [
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(-32768, b"\x80\x00"),
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(-10000, b"\xd8\xf0"),
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(0, b"\x00\x00"),
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(5000, b"\x13\x88"),
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(32767, b"\x7f\xff")
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]
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INVALID_DESERIALIZATION_VALUES = list(BASE_INVALID_DESERIALIZATION_VALUES)
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INVALID_DESERIALIZATION_VALUES.extend([
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(b"\xff", ValueError),
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(b"\xff\x01\x6e", ValueError)
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])
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class UnsignedShortTest(BaseNumberDatatypeTester):
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DATATYPE_CLS = UnsignedShort
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VALID_VALUES = [
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(0, b"\x00\x00"),
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(10000, b"'\x10"),
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(32767, b"\x7f\xff"),
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(65535, b"\xff\xff")
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]
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INVALID_DESERIALIZATION_VALUES = ShortTest.INVALID_DESERIALIZATION_VALUES
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class IntegerTest(BaseNumberDatatypeTester):
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DATATYPE_CLS = Integer
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VALID_VALUES = [
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(-2147483648, b"\x80\x00\x00\x00"),
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(-1000000, b"\xff\xf0\xbd\xc0"),
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(0, b"\x00\x00\x00\x00"),
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(10000000, b"\x00\x98\x96\x80"),
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(2147483647, b"\x7f\xff\xff\xff")
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]
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INVALID_DESERIALIZATION_VALUES = list(BASE_INVALID_DESERIALIZATION_VALUES)
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INVALID_DESERIALIZATION_VALUES.extend([
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(b"\xff", ValueError),
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(b"\x00\x01", ValueError),
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(b"\x76\x80\x80\x10\xff", ValueError)
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])
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class UnsignedIntegerTest(BaseNumberDatatypeTester):
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DATATYPE_CLS = UnsignedInteger
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VALID_VALUES = [
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(0, b"\x00\x00\x00\x00"),
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(10000000, b"\x00\x98\x96\x80"),
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(2147483647, b"\x7f\xff\xff\xff"),
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(4294967295, b"\xff\xff\xff\xff")
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]
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INVALID_DESERIALIZATION_VALUES = IntegerTest.INVALID_DESERIALIZATION_VALUES
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class LongTest(IntegerTest):
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DATATYPE_CLS = Long
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class UnsignedLongTest(UnsignedInteger):
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DATATYPE_CLS = UnsignedLong
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class LongLongTest(BaseNumberDatatypeTester):
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DATATYPE_CLS = LongLong
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VALID_VALUES = [
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(-9223372036854775808, b"\x80\x00\x00\x00\x00\x00\x00\x00"),
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(-1000000, b"\xff\xff\xff\xff\xff\xf0\xbd\xc0"),
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(0, b"\x00\x00\x00\x00\x00\x00\x00\x00"),
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(10000000, b"\x00\x00\x00\x00\x00\x98\x96\x80"),
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(9223372036854775807, b"\x7f\xff\xff\xff\xff\xff\xff\xff")
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]
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INVALID_DESERIALIZATION_VALUES = list(BASE_INVALID_DESERIALIZATION_VALUES)
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INVALID_DESERIALIZATION_VALUES.extend([
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(b"\xff", ValueError),
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(b"\x00\x01", ValueError),
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(b"\x76\x80\x80\x10\xff", ValueError),
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(b"\x55\x44\x33\x22\x11\x66\x77\x88\x99", ValueError)
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])
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class UnsignedLongLongTest(BaseNumberDatatypeTester):
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DATATYPE_CLS = UnsignedLongLong
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VALID_VALUES = [
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(0, b"\x00\x00\x00\x00\x00\x00\x00\x00"),
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(10000000, b"\x00\x00\x00\x00\x00\x98\x96\x80"),
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(9223372036854775807, b"\x7f\xff\xff\xff\xff\xff\xff\xff"),
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(18446744073709551615, b"\xff\xff\xff\xff\xff\xff\xff\xff")
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]
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INVALID_DESERIALIZATION_VALUES = \
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LongLongTest.INVALID_DESERIALIZATION_VALUES
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class FloatTest(BaseNumberDatatypeTester):
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DATATYPE_CLS = Float
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VALID_VALUES = [
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(-100.5467, b"\xc2\xc9\x17\xe9"),
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(0.00000, b"\x00\x00\x00\x00"),
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(5000.72, b"E\x9cE\xc3"),
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(65.123565787856342347, b"B\x82?D"),
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]
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INVALID_DESERIALIZATION_VALUES = list(BASE_INVALID_DESERIALIZATION_VALUES)
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INVALID_DESERIALIZATION_VALUES.extend([
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(b"\xff", ValueError),
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(b"\x00\x01", ValueError),
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(b"\x76\x80\x80\x10\xff", ValueError),
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(b"\x55\x44\x33\x22\x11\x66\x77\x88\x99", ValueError)
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])
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def dynamic_assert_equal(self, first, second):
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return self.assertAlmostEqual(first, second, places=3)
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class DoubleTest(FloatTest):
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DATATYPE_CLS = Double
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VALID_VALUES = [
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(-10000560.86432, b"\xc1c\x13\x16\x1b\xa8\x82k"),
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(-56.672345756870345754623, b"\xc0LV\x0fl\xfe\xaef"),
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(0.00000, b"\x00\x00\x00\x00\x00\x00\x00\x00"),
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(5000.72, b"@\xb3\x88\xb8Q\xeb\x85\x1f"),
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(65.123565787856342347, b"@PG\xe8\x80zo\xd6"),
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(5324342541.72123, b"A\xf3\xd5\xb0P\xdb\x8a(")
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]
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class VarIntTest(BaseNumberDatatypeTester):
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DATATYPE_CLS = VarInt
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INVALID_DESERIALIZATION_VALUES = BASE_INVALID_DESERIALIZATION_VALUES
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# def _bin(binstr):
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# """
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# Accepts a pretty looking string of binary numbers and
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# returns the binary number.
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# Parameters:
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# binstr - a string with this format: `'1010 0010 0100'`.
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# Returns:
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# Int
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# """
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# binstr = binstr.replace(" ", "") # Remove all spaces.
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# num = int("0b" + binstr, 2)
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# return num
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