Removed the Requirement to Install Python and NodeJS (Now Bundled with Borealis)

Dependencies/Python/Lib/test/support/testcase.py

@@ -0,0 +1,122 @@
+from math import copysign, isnan
+
+
+class ExtraAssertions:
+
+    def assertIsSubclass(self, cls, superclass, msg=None):
+        if issubclass(cls, superclass):
+            return
+        standardMsg = f'{cls!r} is not a subclass of {superclass!r}'
+        self.fail(self._formatMessage(msg, standardMsg))
+
+    def assertNotIsSubclass(self, cls, superclass, msg=None):
+        if not issubclass(cls, superclass):
+            return
+        standardMsg = f'{cls!r} is a subclass of {superclass!r}'
+        self.fail(self._formatMessage(msg, standardMsg))
+
+    def assertHasAttr(self, obj, name, msg=None):
+        if not hasattr(obj, name):
+            if isinstance(obj, types.ModuleType):
+                standardMsg = f'module {obj.__name__!r} has no attribute {name!r}'
+            elif isinstance(obj, type):
+                standardMsg = f'type object {obj.__name__!r} has no attribute {name!r}'
+            else:
+                standardMsg = f'{type(obj).__name__!r} object has no attribute {name!r}'
+            self.fail(self._formatMessage(msg, standardMsg))
+
+    def assertNotHasAttr(self, obj, name, msg=None):
+        if hasattr(obj, name):
+            if isinstance(obj, types.ModuleType):
+                standardMsg = f'module {obj.__name__!r} has unexpected attribute {name!r}'
+            elif isinstance(obj, type):
+                standardMsg = f'type object {obj.__name__!r} has unexpected attribute {name!r}'
+            else:
+                standardMsg = f'{type(obj).__name__!r} object has unexpected attribute {name!r}'
+            self.fail(self._formatMessage(msg, standardMsg))
+
+    def assertStartsWith(self, s, prefix, msg=None):
+        if s.startswith(prefix):
+            return
+        standardMsg = f"{s!r} doesn't start with {prefix!r}"
+        self.fail(self._formatMessage(msg, standardMsg))
+
+    def assertNotStartsWith(self, s, prefix, msg=None):
+        if not s.startswith(prefix):
+            return
+        self.fail(self._formatMessage(msg, f"{s!r} starts with {prefix!r}"))
+
+    def assertEndsWith(self, s, suffix, msg=None):
+        if s.endswith(suffix):
+            return
+        standardMsg = f"{s!r} doesn't end with {suffix!r}"
+        self.fail(self._formatMessage(msg, standardMsg))
+
+    def assertNotEndsWith(self, s, suffix, msg=None):
+        if not s.endswith(suffix):
+            return
+        self.fail(self._formatMessage(msg, f"{s!r} ends with {suffix!r}"))
+
+
+class ExceptionIsLikeMixin:
+    def assertExceptionIsLike(self, exc, template):
+        """
+        Passes when the provided `exc` matches the structure of `template`.
+        Individual exceptions don't have to be the same objects or even pass
+        an equality test: they only need to be the same type and contain equal
+        `exc_obj.args`.
+        """
+        if exc is None and template is None:
+            return
+
+        if template is None:
+            self.fail(f"unexpected exception: {exc}")
+
+        if exc is None:
+            self.fail(f"expected an exception like {template!r}, got None")
+
+        if not isinstance(exc, ExceptionGroup):
+            self.assertEqual(exc.__class__, template.__class__)
+            self.assertEqual(exc.args[0], template.args[0])
+        else:
+            self.assertEqual(exc.message, template.message)
+            self.assertEqual(len(exc.exceptions), len(template.exceptions))
+            for e, t in zip(exc.exceptions, template.exceptions):
+                self.assertExceptionIsLike(e, t)
+
+
+class FloatsAreIdenticalMixin:
+    def assertFloatsAreIdentical(self, x, y):
+        """Fail unless floats x and y are identical, in the sense that:
+        (1) both x and y are nans, or
+        (2) both x and y are infinities, with the same sign, or
+        (3) both x and y are zeros, with the same sign, or
+        (4) x and y are both finite and nonzero, and x == y
+
+        """
+        msg = 'floats {!r} and {!r} are not identical'
+
+        if isnan(x) or isnan(y):
+            if isnan(x) and isnan(y):
+                return
+        elif x == y:
+            if x != 0.0:
+                return
+            # both zero; check that signs match
+            elif copysign(1.0, x) == copysign(1.0, y):
+                return
+            else:
+                msg += ': zeros have different signs'
+        self.fail(msg.format(x, y))
+
+
+class ComplexesAreIdenticalMixin(FloatsAreIdenticalMixin):
+    def assertComplexesAreIdentical(self, x, y):
+        """Fail unless complex numbers x and y have equal values and signs.
+
+        In particular, if x and y both have real (or imaginary) part
+        zero, but the zeros have different signs, this test will fail.
+
+        """
+        self.assertFloatsAreIdentical(x.real, y.real)
+        self.assertFloatsAreIdentical(x.imag, y.imag)