Fix timestamp rounding & add tests on html report duration

locust/test/test_date.py

@@ -1,11 +1,9 @@
+from locust.util.date import format_duration, format_safe_timestamp, format_utc_timestamp
+
 from datetime import datetime
 
 import pytest
 
-from locust.util.date import format_duration, format_safe_timestamp, format_utc_timestamp
-
-from .testcases import LocustTestCase
-
 dates_checks = [
     {
         "datetime": datetime(2023, 10, 1, 12, 0, 0),
@@ -72,17 +70,17 @@
 
 @pytest.mark.parametrize("check", dates_checks)
 def test_format_utc_timestamp(check):
-    assert format_utc_timestamp(int(check["datetime"].timestamp())) == check["utc_timestamp"]
+    assert format_utc_timestamp(check["datetime"].timestamp()) == check["utc_timestamp"]
 
 
 @pytest.mark.parametrize("check", dates_checks)
 def test_format_safe_timestamp(check):
-    assert format_safe_timestamp(int(check["datetime"].timestamp())) == check["safe_timestamp"]
+    assert format_safe_timestamp(check["datetime"].timestamp()) == check["safe_timestamp"]
 
 
 @pytest.mark.parametrize("check", dates_checks)
 def test_format_duration(check):
     global dates_checks
-    start_time = int(dates_checks[0]["datetime"].timestamp())
-    end_time = int(check["datetime"].timestamp())
+    start_time = dates_checks[0]["datetime"].timestamp()
+    end_time = check["datetime"].timestamp()
     assert format_duration(start_time, end_time) == check["duration"]

locust/test/test_main.py

@@ -1181,6 +1181,9 @@ def test_html_report_option(self):
         # make sure host appears in the report
         self.assertIn("https://test.com/", html_report_content)
         self.assertIn('"show_download_link": false', html_report_content)
+        self.assertRegex(html_report_content, r'"start_time": "\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}Z"')
+        self.assertRegex(html_report_content, r'"end_time": "\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}Z"')
+        self.assertRegex(html_report_content, r'"duration": "\d* seconds?"')
 
     def test_run_with_userclass_picker(self):
         with temporary_file(content=MOCK_LOCUSTFILE_CONTENT_A) as file1:

locust/util/date.py

@@ -1,19 +1,16 @@
-import decimal
-import numbers
-import re
-from datetime import datetime, timedelta, timezone
+from datetime import datetime, timezone
 
 
 def format_utc_timestamp(unix_timestamp):
-    return datetime.fromtimestamp(unix_timestamp, timezone.utc).strftime("%Y-%m-%dT%H:%M:%SZ")
+    return datetime.fromtimestamp(int(unix_timestamp), timezone.utc).strftime("%Y-%m-%dT%H:%M:%SZ")
 
 
 def format_safe_timestamp(unix_timestamp):
-    return datetime.fromtimestamp(unix_timestamp).strftime("%Y-%m-%d-%Hh%M")
+    return datetime.fromtimestamp(int(unix_timestamp)).strftime("%Y-%m-%d-%Hh%M")
 
 
 def format_duration(start_time, end_time):
-    seconds = end_time - start_time
+    seconds = int(end_time) - int(start_time)
     days = seconds // 86400
     hours = (seconds % 86400) // 3600
     minutes = (seconds % 3600) // 60