Replace time.time() with _pytest.timing.perf_counter()

AUTHORS

@@ -130,6 +130,7 @@ Daw-Ran Liou
 Debi Mishra
 Denis Kirisov
 Denivy Braiam Rück
+Deysha Rivera
 Dheeraj C K
 Dhiren Serai
 Diego Russo

changelog/13384.bugfix.rst

@@ -0,0 +1 @@
+Fixed an issue where pytest could report negative durations.

src/_pytest/junitxml.py

@@ -637,15 +637,16 @@ def pytest_internalerror(self, excrepr: ExceptionRepr) -> None:
 
     def pytest_sessionstart(self) -> None:
         self.suite_start_time = timing.time()
+        self.suite_start_perf = timing.perf_counter()
 
     def pytest_sessionfinish(self) -> None:
         dirname = os.path.dirname(os.path.abspath(self.logfile))
         # exist_ok avoids filesystem race conditions between checking path existence and requesting creation
         os.makedirs(dirname, exist_ok=True)
 
         with open(self.logfile, "w", encoding="utf-8") as logfile:
-            suite_stop_time = timing.time()
-            suite_time_delta = suite_stop_time - self.suite_start_time
+            suite_stop_perf = timing.perf_counter()
+            suite_time_delta = suite_stop_perf - self.suite_start_perf
 
             numtests = (
                 self.stats["passed"]

src/_pytest/pytester.py

@@ -1150,7 +1150,7 @@ def runpytest_inprocess(
 
         if syspathinsert:
             self.syspathinsert()
-        now = timing.time()
+        now = timing.perf_counter()
         capture = _get_multicapture("sys")
         capture.start_capturing()
         try:
@@ -1180,7 +1180,7 @@ class reprec:  # type: ignore
 
         assert reprec.ret is not None
         res = RunResult(
-            reprec.ret, out.splitlines(), err.splitlines(), timing.time() - now
+            reprec.ret, out.splitlines(), err.splitlines(), timing.perf_counter() - now
         )
         res.reprec = reprec  # type: ignore
         return res
@@ -1408,7 +1408,7 @@ def run(
         print("     in:", Path.cwd())
 
         with p1.open("w", encoding="utf8") as f1, p2.open("w", encoding="utf8") as f2:
-            now = timing.time()
+            now = timing.perf_counter()
             popen = self.popen(
                 cmdargs,
                 stdin=stdin,
@@ -1445,7 +1445,7 @@ def handle_timeout() -> None:
 
         with contextlib.suppress(ValueError):
             ret = ExitCode(ret)
-        return RunResult(ret, out, err, timing.time() - now)
+        return RunResult(ret, out, err, timing.perf_counter() - now)
 
     def _dump_lines(self, lines, fp):
         try:

src/_pytest/terminal.py

@@ -769,7 +769,7 @@ def pytest_collection(self) -> None:
         if self.isatty:
             if self.config.option.verbose >= 0:
                 self.write("collecting ... ", flush=True, bold=True)
-                self._collect_report_last_write = timing.time()
+                self._collect_report_last_write = timing.perf_counter()
         elif self.config.option.verbose >= 1:
             self.write("collecting ... ", flush=True, bold=True)
 
@@ -789,7 +789,7 @@ def report_collect(self, final: bool = False) -> None:
 
         if not final:
             # Only write "collecting" report every 0.5s.
-            t = timing.time()
+            t = timing.perf_counter()
             if (
                 self._collect_report_last_write is not None
                 and self._collect_report_last_write > t - REPORT_COLLECTING_RESOLUTION
@@ -823,7 +823,7 @@ def report_collect(self, final: bool = False) -> None:
     @hookimpl(trylast=True)
     def pytest_sessionstart(self, session: Session) -> None:
         self._session = session
-        self._sessionstarttime = timing.time()
+        self._sessionstarttime = timing.perf_counter()
         if not self.showheader:
             return
         self.write_sep("=", "test session starts", bold=True)
@@ -1202,7 +1202,7 @@ def summary_stats(self) -> None:
         if self.verbosity < -1:
             return
 
-        session_duration = timing.time() - self._sessionstarttime
+        session_duration = timing.perf_counter() - self._sessionstarttime
         (parts, main_color) = self.build_summary_stats_line()
         line_parts = []
 

testing/_py/test_local.py

@@ -12,6 +12,7 @@
 from py import error
 from py.path import local
 
+import _pytest.timing
 import pytest
 
 
@@ -738,7 +739,6 @@ def test_dump(self, tmpdir, bin):
 
     def test_setmtime(self):
         import tempfile
-        import time
 
         try:
             fd, name = tempfile.mkstemp()
@@ -747,7 +747,7 @@ def test_setmtime(self):
             name = tempfile.mktemp()
             open(name, "w").close()
         try:
-            mtime = int(time.time()) - 100
+            mtime = int(_pytest.timing.time()) - 100
             path = local(name)
             assert path.mtime() != mtime
             path.setmtime(mtime)
@@ -1405,15 +1405,15 @@ def test_atime(self, tmpdir):
         import time
 
         path = tmpdir.ensure("samplefile")
-        now = time.time()
+        now = _pytest.timing.perf_counter()
         atime1 = path.atime()
         # we could wait here but timer resolution is very
         # system dependent
         path.read_binary()
         time.sleep(ATIME_RESOLUTION)
         atime2 = path.atime()
         time.sleep(ATIME_RESOLUTION)
-        duration = time.time() - now
+        duration = _pytest.timing.perf_counter() - now
         assert (atime2 - atime1) <= duration
 
     def test_commondir(self, path1):

testing/test_pytester.py

@@ -4,7 +4,6 @@
 import os
 import subprocess
 import sys
-import time
 from types import ModuleType
 
 from _pytest.config import ExitCode
@@ -16,6 +15,7 @@
 from _pytest.pytester import Pytester
 from _pytest.pytester import SysModulesSnapshot
 from _pytest.pytester import SysPathsSnapshot
+import _pytest.timing
 import pytest
 
 
@@ -451,9 +451,9 @@ def test_pytester_run_with_timeout(pytester: Pytester) -> None:
 
     timeout = 120
 
-    start = time.time()
+    start = _pytest.timing.perf_counter()
     result = pytester.runpytest_subprocess(testfile, timeout=timeout)
-    end = time.time()
+    end = _pytest.timing.perf_counter()
     duration = end - start
 
     assert result.ret == ExitCode.OK