general: make time.tz.via_location user config lazy, move tests to my.tests package

also gets rid of the problematic reset_modules thingie

tests/shared_config.py

@@ -1,65 +0,0 @@
-# Defines some shared config for tests
-
-from datetime import datetime, date, timezone
-from pathlib import Path
-
-from typing import Any, NamedTuple
-import my.time.tz.via_location as LTZ
-from more_itertools import one
-
-
-class SharedConfig(NamedTuple):
-    google: Any
-    location: Any
-    time: Any
-
-
-def _prepare_google_config(tmp_path: Path):
-    from my.tests.common import testdata
-    try:
-        track = one(testdata().rglob('italy-slovenia-2017-07-29.json'))
-    except ValueError:
-        raise RuntimeError('testdata not found, setup git submodules?')
-
-
-    # todo ugh. unnecessary zipping, but at the moment takeout provider doesn't support plain dirs
-    import zipfile
-    with zipfile.ZipFile(tmp_path / 'takeout.zip', 'w') as zf:
-        zf.writestr('Takeout/Location History/Location History.json', track.read_bytes())
-
-    class google_config:
-        takeout_path = tmp_path
-    return google_config
-
-
-# pass tmp_path from pytest to this helper function
-# see tests/tz.py as an example
-def temp_config(temp_path: Path) -> Any:
-    from my.tests.common import reset_modules
-    reset_modules()
-
-    LTZ.config.fast = True
-
-    class location:
-        home_accuracy = 30_000
-        home = (
-            # supports ISO strings
-            ('2005-12-04'                                       , (42.697842, 23.325973)), # Bulgaria, Sofia
-            # supports date/datetime objects
-            (date(year=1980, month=2, day=15)                   , (40.7128  , -74.0060 )), # NY
-            # check tz handling..
-            (datetime.fromtimestamp(1600000000, tz=timezone.utc), (55.7558  , 37.6173  )), # Moscow, Russia
-        )
-        # note: order doesn't matter, will be sorted in the data provider
-        class via_ip:
-            accuracy = 15_000
-        class gpslogger:
-            pass
-
-    class time:
-        class tz:
-            class via_location:
-                pass # just rely on the defaults...
-
-
-    return SharedConfig(google=_prepare_google_config(temp_path), location=location, time=time)