fix: keep pytest_terminal_summary under --no-summary

AUTHORS

@@ -19,6 +19,7 @@ Alejandro Villate
 Alessio Izzo
 Alex Jones
 Alex Lambson
+Alex Chen
 Alexander Johnson
 Alexander King
 Alexei Kozlenok

changelog/14724.improvement.rst

@@ -0,0 +1,4 @@
+``--no-summary`` now only applies directly to pytest's own summary.
+
+The flag no longer skips the ``pytest_terminal_summary`` hook, so third-party
+plugins (for example coverage) can still write their terminal summaries.

src/_pytest/terminal.py

@@ -968,7 +968,10 @@ def pytest_sessionfinish(
             ExitCode.NO_TESTS_COLLECTED,
             ExitCode.MAX_WARNINGS_ERROR,
         )
-        if exitstatus in summary_exit_codes and not self.no_summary:
+        # Always invoke pytest_terminal_summary so third-party plugins can report
+        # (e.g. coverage). --no-summary only suppresses TerminalReporter's own
+        # built-in summary sections; see TerminalReporter.pytest_terminal_summary.
+        if exitstatus in summary_exit_codes:
             self.config.hook.pytest_terminal_summary(
                 terminalreporter=self, exitstatus=exitstatus, config=self.config
             )
@@ -995,18 +998,23 @@ def pytest_sessionfinish(
 
     @hookimpl(wrapper=True)
     def pytest_terminal_summary(self) -> Generator[None]:
-        self.summary_errors()
-        self.summary_failures()
-        self.summary_xfailures()
-        self.summary_warnings()
-        self.summary_passes()
-        self.summary_xpasses()
+        # With --no-summary, still yield so other plugins run their terminal
+        # summaries, but skip pytest's own FAILURES/ERRORS/... sections.
+        show_summary = not self.no_summary
+        if show_summary:
+            self.summary_errors()
+            self.summary_failures()
+            self.summary_xfailures()
+            self.summary_warnings()
+            self.summary_passes()
+            self.summary_xpasses()
         try:
             return (yield)
         finally:
-            self.short_test_summary()
-            # Display any extra warnings from teardown here (if any).
-            self.summary_warnings()
+            if show_summary:
+                self.short_test_summary()
+                # Display any extra warnings from teardown here (if any).
+                self.summary_warnings()
 
     def pytest_keyboard_interrupt(self, excinfo: ExceptionInfo[BaseException]) -> None:
         self._keyboardinterrupt_memo = excinfo.getrepr(funcargs=True)

testing/test_terminal.py

@@ -1015,6 +1015,21 @@ def test_no_summary():
         result = pytester.runpytest(p1, "--no-summary")
         result.stdout.no_fnmatch_line("*= FAILURES =*")
 
+    def test_no_summary_still_runs_terminal_summary_hook(
+        self, pytester: Pytester
+    ) -> None:
+        """--no-summary must not skip pytest_terminal_summary for plugins (#14724)."""
+        pytester.makeconftest(
+            """
+            def pytest_terminal_summary(terminalreporter, exitstatus, config):
+                terminalreporter.write_line("PLUGIN_TERMINAL_SUMMARY_RAN")
+            """
+        )
+        p1 = pytester.makepyfile("def test_ok(): assert True")
+        result = pytester.runpytest(p1, "--no-summary")
+        result.stdout.fnmatch_lines(["PLUGIN_TERMINAL_SUMMARY_RAN"])
+        result.stdout.no_fnmatch_line("*= FAILURES =*")
+
     def test_showlocals(self, pytester: Pytester) -> None:
         p1 = pytester.makepyfile(
             """