hide ugliness of tile url function

We basically do the same hacky trick in two different places, so maybe
we should put it into a separate function, test it, and if a better
implementation arises, swap it.

1 files changed, 9 insertions, 0 deletions

diff --git a/tests/unit/test_util.py b/tests/unit/test_util.py
index b35f218..949acb5 100644
--- a/tests/unit/test_util.py
+++ b/tests/unit/test_util.py
@@ -82,3 +82,12 @@ def test_tour_metadata(gpx_file):
 @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)
+
+
+def test_tile_url(app_request):
+    route_url = util.tile_url(app_request, "tile-proxy", provider="bobby")
+
+    assert "{x}" in route_url
+    assert "{y}" in route_url
+    assert "{z}" in route_url
+    assert "bobby" in route_url