Add mario.testing

Author: akb

src/mario/testing/atools.py

@@ -0,0 +1,57 @@
+async def async_drop_falsy(items):
+    async for x in items:
+        if x:
+            yield x
+
+
+def drop_falsy(items):
+    for x in items:
+        if x:
+            yield x
+
+
+def my_max(items):
+    print("hello")
+
+    it = iter(items)
+
+    try:
+        current_max = next(it)
+    except StopIteration as e:
+        raise ValueError("Iterable was empty") from e
+    for x in it:
+
+        if x > current_max:
+            current_max = x
+    return x
+
+
+# def gen_max(items):
+#     it = iter(items)
+#     try:
+#         current_max = next(it)
+#     except StopIteration as e:
+#         raise ValueError("Iterable was empty") from e
+#     for x in it:
+
+#         if x > current_max:
+#             current_max = x
+#     yield x
+
+
+def gen_max(items):
+    yield from [my_max(items)]
+
+
+import functools
+def wrap_sync_fold(function):
+    @functools.wraps(function)
+    def wrap(items):
+        yield from [function(items)]
+
+    return wrap
+
+
+wrapped_max = wrap_sync_fold(my_max)
+
+wrapped_drop_falsy = wrap_sync_fold(drop_falsy)