fix: /coverage tests

Author: sgratzl

integrations/server/test_covidcast_endpoints.py

@@ -369,18 +369,20 @@ def test_coverage(self):
         dates = [20200401 + i for i in range(len(num_geos_per_date))]
         rows = [CovidcastRow(time_value=dates[i], value=i, geo_value=str(geo_value)) for i, num_geo in enumerate(num_geos_per_date) for geo_value in range(num_geo)]
         self._insert_rows(rows)
+        first = rows[0]
 
         with self.subTest("default"):
-            out = self._fetch("/coverage")
+            out = self._fetch("/coverage", signal=first.signal_pair, latest=dates[-1], format="json")
             self.assertEqual(len(out), len(num_geos_per_date))
             self.assertEqual([o["time_value"] for o in out], dates)
             self.assertEqual([o["count"] for o in out], num_geos_per_date)
 
         with self.subTest("specify window"):
-            out = self._fetch("/coverage", window="20200401-20200402")
+            out = self._fetch("/coverage", signal=first.signal_pair, window=f"{dates[0]}-{dates[1]}", format="json")
             self.assertEqual(len(out), 2)
             self.assertEqual([o["time_value"] for o in out], dates[:2])
             self.assertEqual([o["count"] for o in out], num_geos_per_date[:2])
+
         with self.subTest("invalid geo_type"):
-            out = self._fetch("/coverage", geo_type="state")
+            out = self._fetch("/coverage", signal=first.signal_pair, geo_type="state", format="json")
             self.assertEqual(len(out), 0)

src/server/endpoints/covidcast.py

@@ -34,7 +34,7 @@
 from .._db import sql_table_has_columns
 from .._pandas import as_pandas
 from .covidcast_utils import compute_trend, compute_trends, compute_correlations, compute_trend_value, CovidcastMetaEntry, AllSignalsMap
-from ..utils import shift_time_value, date_to_time_value, time_value_to_iso
+from ..utils import shift_time_value, date_to_time_value, time_value_to_iso, time_value_to_date
 
 # first argument is the endpoint name
 bp = Blueprint("covidcast", __name__)
@@ -505,7 +505,8 @@ def handle_coverage():
     if "window" in request.values:
         time_window = parse_day_range_arg("window")
     else:
-        now = date.today()
+        now_time = extract_date("latest")
+        now = date.today() if now_time is None else time_value_to_date(now_time)
         last = extract_integer("days")
         if last is None:
             last = 30