From 264612664a24447c929cfd71659d44dd95a8e3a9 Mon Sep 17 00:00:00 2001
From: Daniel Schadt <kingdread@gmx.de>
Date: Thu, 7 Jul 2022 22:40:59 +0200
Subject: add tests for util.guess_gpx_timezone

---
 tests/unit/test_util.py | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

(limited to 'tests/unit/test_util.py')

diff --git a/tests/unit/test_util.py b/tests/unit/test_util.py
index c595e4e..8f45611 100644
--- a/tests/unit/test_util.py
+++ b/tests/unit/test_util.py
@@ -1,6 +1,9 @@
+import gzip
 from datetime import timedelta
+from pathlib import Path
 
 import pytest
+import gpxpy
 from markupsafe import Markup
 
 from fietsboek import util
@@ -52,6 +55,22 @@ def test_round_timedelta_to_multiple(delta, multiple, expected):
     assert util.round_timedelta_to_multiple(delta, multiple) == expected
 
 
+@pytest.mark.parametrize('gpx_file, offset', [
+    ("Teasi_1.gpx.gz", timedelta(hours=2)),
+    ("MyTourbook_1.gpx.gz", timedelta(hours=2)),
+])
+def test_guess_gpx_timezone(gpx_file, offset):
+    asset_dir = Path(__file__).parent.parent / 'assets'
+    test_file = asset_dir / gpx_file
+    with gzip.open(test_file, 'rb') as fobj:
+        parsed_gpx = gpxpy.parse(fobj)
+    timezone = util.guess_gpx_timezone(parsed_gpx)
+    # Here we hope (and assume) that utcoffset is ignored. This is true for
+    # datetime.timezone objects, but may not be for other datetime.tzinfo
+    # instances.
+    assert timezone.utcoffset(None) == offset
+
+
 @pytest.mark.parametrize('mps, kph', [(1, 3.6), (10, 36)])
 def test_mps_to_kph(mps, kph):
     assert util.mps_to_kph(mps) == pytest.approx(kph, 0.1)
-- 
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