chore: migrate mail themes to shared framework and locked upstream inputs

tools/builder/framework_test.go

@@ -0,0 +1,40 @@
+package builder
+
+import (
+	"bytes"
+	"gitea-mail-templates/tools/upstream"
+	"path/filepath"
+	"strings"
+	"testing"
+)
+
+func TestParagraphRolesPreserveOfficialActions(t *testing.T) {
+	source := `<html><body><p>{{.locale.Tr "mail.hi_user_x" .Username}}</p><p>{{.locale.Tr "mail.register_notify.text_2"}}</p>{{printf "<p>not static</p>"}}<p class="existing">Kept</p></body></html>`
+	result, err := paragraphRoles([]byte(source), "register_notify")
+	if err != nil {
+		t.Fatal(err)
+	}
+	want := strings.Replace(source, `<p>`, `<p class="email-heading">`, 1)
+	want = strings.Replace(want, `<p>`, `<p class="email-subtext">`, 1)
+	if string(result) != want {
+		t.Fatalf("unexpected presentation annotation: %s", result)
+	}
+}
+
+func TestSharedAlignmentFailsOnDrift(t *testing.T) {
+	s, err := upstream.LoadPinned(filepath.Join("..", ".."))
+	if err != nil {
+		t.Fatal(err)
+	}
+	name := "mail/user/auth/activate.tmpl"
+	original := bytes.Clone(s.Templates[name])
+	s.Templates[name] = bytes.Replace(original, []byte(`href="{{$activate_url}}"`), []byte(`href="changed"`), 1)
+	if _, err := AdaptOfficial(s, name); err == nil {
+		t.Fatal("unreviewed URL anchor accepted")
+	}
+	s.Templates[name] = original
+	delete(s.Locales["en-US"], "mail.activate_account")
+	if _, err := AdaptOfficial(s, name); err == nil {
+		t.Fatal("missing button key accepted")
+	}
+}