feat: create standalone native fnOS repository

app-src/internal/nginx/certs_fallback_test.go

@@ -0,0 +1,35 @@
+package nginx
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+)
+
+func TestFindCertificateForHostsFallsBackToDiskWhenDBPathsMissing(t *testing.T) {
+	dir := t.TempDir()
+	certDir := filepath.Join(dir, "certs", "wildcard.example.com")
+	if err := os.MkdirAll(certDir, 0o755); err != nil {
+		t.Fatal(err)
+	}
+	certPath := filepath.Join(certDir, "fullchain.pem")
+	keyPath := filepath.Join(certDir, "privatekey.pem")
+	if err := os.WriteFile(certPath, []byte("cert"), 0o644); err != nil {
+		t.Fatal(err)
+	}
+	if err := os.WriteFile(keyPath, []byte("key"), 0o644); err != nil {
+		t.Fatal(err)
+	}
+
+	cert := findCertificateForHosts(filepath.Join(dir, "certs"), []string{"app.example.com"}, []CertSource{{
+		Domains:  []string{"example.com", "*.example.com"},
+		CertPath: "/data/certs/wildcard.example.com/missing.pem",
+		KeyPath:  "/data/certs/wildcard.example.com/missing-key.pem",
+	}})
+	if cert == nil || !certUsable(cert) {
+		t.Fatal("expected disk certificate fallback")
+	}
+	if filepath.Clean(cert.CertPath) != filepath.Clean(certPath) {
+		t.Fatalf("unexpected cert path: %s", cert.CertPath)
+	}
+}