metis/cmd/metis-sentinel/main_test.go

116 lines
3.1 KiB
Go

package main
import (
"encoding/json"
"net/http"
"net/http/httptest"
"os"
"path/filepath"
"strings"
"testing"
"metis/pkg/sentinel"
)
func TestSentinelMainWritesHistoryAndPushesSnapshot(t *testing.T) {
fakeDir := fakeSentinelCommands(t)
t.Setenv("PATH", fakeDir+string(os.PathListSeparator)+os.Getenv("PATH"))
historyDir := filepath.Join(t.TempDir(), "history")
pushed := false
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
pushed = true
if r.Method != http.MethodPost {
t.Fatalf("expected POST, got %s", r.Method)
}
w.WriteHeader(http.StatusOK)
}))
defer srv.Close()
t.Setenv("METIS_SENTINEL_RUN_ONCE", "1")
t.Setenv("METIS_SENTINEL_OUT", historyDir)
t.Setenv("METIS_SENTINEL_PUSH_URL", srv.URL)
t.Setenv("METIS_SENTINEL_INTERVAL_SEC", "1")
main()
entries, err := os.ReadDir(historyDir)
if err != nil {
t.Fatalf("ReadDir history: %v", err)
}
if len(entries) != 1 {
t.Fatalf("expected one history entry, got %d", len(entries))
}
data, err := os.ReadFile(filepath.Join(historyDir, entries[0].Name()))
if err != nil {
t.Fatalf("ReadFile history: %v", err)
}
if !strings.Contains(string(data), `"hostname": "titan-13"`) {
t.Fatalf("history file missing snapshot data: %s", data)
}
if !pushed {
t.Fatal("expected pushSnapshot to POST to server")
}
}
func TestSentinelHelpers(t *testing.T) {
if got := getenvInt("METIS_SENTINEL_INTERVAL_SEC", 300); got != 300 {
t.Fatalf("getenvInt fallback = %d", got)
}
t.Setenv("METIS_SENTINEL_INTERVAL_SEC", "5")
if got := getenvInt("METIS_SENTINEL_INTERVAL_SEC", 300); got != 5 {
t.Fatalf("getenvInt = %d", got)
}
dir := t.TempDir()
snap := &sentinel.Snapshot{Hostname: "titan-13", Kernel: "6.6.63"}
writeHistory(dir, snap)
entries, err := os.ReadDir(dir)
if err != nil {
t.Fatalf("ReadDir: %v", err)
}
if len(entries) != 1 {
t.Fatalf("expected one file, got %d", len(entries))
}
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if r.Method != http.MethodPost {
t.Fatalf("expected POST, got %s", r.Method)
}
var payload map[string]any
if err := json.NewDecoder(r.Body).Decode(&payload); err != nil {
t.Fatalf("decode push body: %v", err)
}
w.WriteHeader(http.StatusOK)
}))
defer srv.Close()
if err := pushSnapshot(srv.URL, snap); err != nil {
t.Fatalf("pushSnapshot: %v", err)
}
}
func fakeSentinelCommands(t *testing.T) string {
t.Helper()
dir := t.TempDir()
write := func(name, body string) {
path := filepath.Join(dir, name)
if err := os.WriteFile(path, []byte("#!/usr/bin/env bash\nset -eu\n"+body+"\n"), 0o755); err != nil {
t.Fatalf("write %s: %v", name, err)
}
}
write("hostname", `printf 'titan-13\n'`)
write("uname", `printf '6.6.63\n'`)
write("k3s", `printf 'v1.31.5+k3s1\n'`)
write("containerd", `printf '1.7.99\n'`)
write("cat", `printf 'PRETTY_NAME="Metis OS"\n'`)
write("dpkg-query", `case "${@: -1}" in
containerd) printf '1.7.99\n' ;;
k3s) printf 'v1.31.5+k3s1\n' ;;
nvidia-container-toolkit) printf '1.16.2\n' ;;
linux-image-raspi) printf '6.6.63\n' ;;
*) printf '1.0.0\n' ;;
esac`)
write("rpm", `printf '1.0.0\n'`)
return dir
}