first commit

internal/messages/render_test.go

@@ -0,0 +1,62 @@
+package messages
+
+import (
+	"os"
+	"path/filepath"
+	"strings"
+	"testing"
+)
+
+func TestRender_Defaults(t *testing.T) {
+	t.Setenv("HOME", t.TempDir())
+	tpl, err := Load(filepath.Join(t.TempDir(), "missing.yaml"))
+	if err != nil {
+		t.Fatalf("load defaults: %v", err)
+	}
+	out, err := tpl.Render("welcome", map[string]string{
+		"username":     "alice",
+		"domain":       "azzamo.net",
+		"expires_at":   "2027-01-01",
+		"npub":         "npub1xxx",
+		"frontend_url": "https://azzamo.net/nip05",
+	})
+	if err != nil {
+		t.Fatalf("render: %v", err)
+	}
+	if !strings.Contains(out, "alice@azzamo.net") {
+		t.Errorf("rendered: %q", out)
+	}
+}
+
+func TestRender_EmptyDisables(t *testing.T) {
+	dir := t.TempDir()
+	path := filepath.Join(dir, "messages.yaml")
+	if err := os.WriteFile(path, []byte("welcome: \"\"\nextended: hi {username}\n"), 0o644); err != nil {
+		t.Fatal(err)
+	}
+	tpl, err := Load(path)
+	if err != nil {
+		t.Fatal(err)
+	}
+	out, err := tpl.Render("welcome", map[string]string{"username": "bob"})
+	if err != nil {
+		t.Fatalf("render welcome: %v", err)
+	}
+	if out != "" {
+		t.Errorf("empty template should render empty, got %q", out)
+	}
+	out2, _ := tpl.Render("extended", map[string]string{"username": "bob"})
+	if out2 != "hi bob" {
+		t.Errorf("extended got %q", out2)
+	}
+}
+
+func TestRender_UnknownEvent(t *testing.T) {
+	tpl, err := Load(filepath.Join(t.TempDir(), "missing.yaml"))
+	if err != nil {
+		t.Fatal(err)
+	}
+	if _, err := tpl.Render("does_not_exist", nil); err == nil {
+		t.Error("expected error for unknown event")
+	}
+}