Adding upstream version 1.34.4.

Signed-off-by: Daniel Baumann <daniel@debian.org>

plugins/inputs/procstat/native_finder_test.go

@@ -0,0 +1,98 @@
+package procstat
+
+import (
+	"context"
+	"os"
+	"os/exec"
+	"os/user"
+	"runtime"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func BenchmarkPattern(b *testing.B) {
+	finder := &NativeFinder{}
+	for n := 0; n < b.N; n++ {
+		_, err := finder.pattern(".*")
+		require.NoError(b, err)
+	}
+}
+
+func BenchmarkFullPattern(b *testing.B) {
+	finder := &NativeFinder{}
+	for n := 0; n < b.N; n++ {
+		_, err := finder.fullPattern(".*")
+		require.NoError(b, err)
+	}
+}
+
+func TestChildPattern(t *testing.T) {
+	if runtime.GOOS == "windows" || runtime.GOOS == "darwin" {
+		t.Skip("Skipping test on unsupported platform")
+	}
+
+	// Get our own process name
+	parentName, err := os.Executable()
+	require.NoError(t, err)
+
+	// Spawn two child processes and get their PIDs
+	expected := make([]pid, 0, 2)
+	ctx, cancel := context.WithCancel(t.Context())
+	defer cancel()
+
+	// First process
+	cmd1 := exec.CommandContext(ctx, "/bin/sh")
+	require.NoError(t, cmd1.Start(), "starting first command failed")
+	expected = append(expected, pid(cmd1.Process.Pid))
+
+	// Second process
+	cmd2 := exec.CommandContext(ctx, "/bin/sh")
+	require.NoError(t, cmd2.Start(), "starting first command failed")
+	expected = append(expected, pid(cmd2.Process.Pid))
+
+	// Use the plugin to find the children
+	finder := &NativeFinder{}
+	parent, err := finder.pattern(parentName)
+	require.NoError(t, err)
+	require.Len(t, parent, 1)
+	children, err := finder.children(parent[0])
+	require.NoError(t, err)
+	require.ElementsMatch(t, expected, children)
+}
+
+func TestGather_RealPatternIntegration(t *testing.T) {
+	if testing.Short() {
+		t.Skip("Skipping integration test in short mode")
+	}
+	pg := &NativeFinder{}
+	pids, err := pg.pattern(`procstat`)
+	require.NoError(t, err)
+	require.NotEmpty(t, pids)
+}
+
+func TestGather_RealFullPatternIntegration(t *testing.T) {
+	if testing.Short() {
+		t.Skip("Skipping integration test in short mode")
+	}
+	if runtime.GOOS != "windows" {
+		t.Skip("Skipping integration test on Non-Windows OS")
+	}
+	pg := &NativeFinder{}
+	pids, err := pg.fullPattern(`%procstat%`)
+	require.NoError(t, err)
+	require.NotEmpty(t, pids)
+}
+
+func TestGather_RealUserIntegration(t *testing.T) {
+	if testing.Short() {
+		t.Skip("Skipping integration test in short mode")
+	}
+	currentUser, err := user.Current()
+	require.NoError(t, err)
+
+	pg := &NativeFinder{}
+	pids, err := pg.uid(currentUser.Username)
+	require.NoError(t, err)
+	require.NotEmpty(t, pids)
+}