Merge pull request #375 from ethanhs/silencenodes

Don't show node setup when running quiet

changelog/373.feature.rst

@@ -0,0 +1 @@
+Node setup information is hidden when pytest is run in quiet mode to reduce noise on many-core machines.

testing/acceptance_test.py

@@ -358,6 +358,30 @@ class TestDistEach:
 
 
 class TestTerminalReporting:
+    @pytest.mark.parametrize("verbosity", ["", "-q", "-v"])
+    def test_output_verbosity(self, testdir, verbosity):
+        testdir.makepyfile(
+            """
+            def test_ok():
+                pass
+        """
+        )
+        args = ["-n1"]
+        if verbosity:
+            args.append(verbosity)
+        result = testdir.runpytest(*args)
+        out = result.stdout.str()
+        if verbosity == "-v":
+            assert "scheduling tests" in out
+            assert "gw" in out
+        elif verbosity == "-q":
+            assert "scheduling tests" not in out
+            assert "gw" not in out
+            assert "bringing up nodes..." in out
+        else:
+            assert "scheduling tests" not in out
+            assert "gw" in out
+
     def test_pass_skip_fail(self, testdir):
         testdir.makepyfile(
             """

xdist/dsession.py

@@ -229,6 +229,7 @@ class DSession(object):
             if self.terminal and not self.sched.has_pending:
                 self.trdist.ensure_show_status()
                 self.terminal.write_line("")
+                if self.config.option.verbose > 0:
                     self.terminal.write_line(
                         "scheduling tests via %s" % (self.sched.__class__.__name__)
                     )
@@ -344,8 +345,11 @@ class TerminalDistReporter(object):
             self.rewrite(self.getstatus())
 
     def getstatus(self):
+        if self.config.option.verbose >= 0:
             parts = ["%s %s" % (spec.id, self._status[spec.id]) for spec in self._specs]
             return " / ".join(parts)
+        else:
+            return "bringing up nodes..."
 
     def rewrite(self, line, newline=False):
         pline = line + " " * max(self._lastlen - len(line), 0)