chore: directory migration - gateway→server, web→client/electron

server/internal/handler/forward_test.go

@@ -0,0 +1,77 @@
+package handler
+
+import (
+	"strings"
+	"testing"
+	"time"
+
+	"github.com/agentmail/gateway/internal/models"
+	"github.com/google/uuid"
+)
+
+// 转发主题不能无限叠加 Fwd: 前缀，否则转发几轮后主题栏全是前缀。
+func TestForwardSubject(t *testing.T) {
+	cases := []struct{ custom, original, want string }{
+		{"", "修复登录态", "Fwd: 修复登录态"},
+		{"", "Fwd: 修复登录态", "Fwd: 修复登录态"}, // 已有前缀不再叠加
+		{"自定义主题", "修复登录态", "自定义主题"},
+		{"  ", "修复登录态", "Fwd: 修复登录态"}, // 全空白视为未指定
+	}
+	for _, c := range cases {
+		if got := forwardSubject(c.custom, c.original); got != c.want {
+			t.Errorf("forwardSubject(%q, %q) = %q, want %q", c.custom, c.original, got, c.want)
+		}
+	}
+}
+
+// 引用块必须逐行加 "> "：原文含代码块或列表时，
+// 只有逐行前缀才能在任何 Markdown 渲染器里保持引用语义。
+func TestQuoteBodyPrefixesEveryLine(t *testing.T) {
+	m := &models.Mail{
+		ID:            uuid.New(),
+		FromName:      "opencode",
+		FromWorkspace: "/root",
+		Subject:       "巡检结果",
+		Body:          "第一行\n\n```go\nfmt.Println(1)\n```\n- 列表项",
+		CreatedAt:     time.Date(2026, 9, 2, 10, 30, 0, 0, time.UTC),
+		CCList: []models.Address{
+			{Name: "pi", Path: "root", Raw: "pi@root.new"},
+		},
+	}
+
+	out := quoteBody(m)
+
+	for _, line := range strings.Split(strings.TrimRight(out, "\n"), "\n") {
+		if line == "---" || line == "" {
+			continue
+		}
+		if !strings.HasPrefix(line, ">") {
+			t.Errorf("引用块出现未加前缀的行: %q", line)
+		}
+	}
+
+	// 元信息必须齐全，否则收件人不知道这封转发的来路
+	for _, want := range []string{"opencode@/root", "巡检结果", "2026-09-02 10:30:00", "pi@root.new"} {
+		if !strings.Contains(out, want) {
+			t.Errorf("引用块缺少 %q\n%s", want, out)
+		}
+	}
+
+	// 原文正文本身要在引用里
+	if !strings.Contains(out, "> fmt.Println(1)") {
+		t.Errorf("原文代码行未被引用:\n%s", out)
+	}
+}
+
+// 无抄送时不该渲染出空的「抄送」行。
+func TestQuoteBodyOmitsEmptyCC(t *testing.T) {
+	m := &models.Mail{
+		FromName:  "admin",
+		Subject:   "x",
+		Body:      "y",
+		CreatedAt: time.Now(),
+	}
+	if strings.Contains(quoteBody(m), "抄送") {
+		t.Error("无抄送时不应出现「抄送」行")
+	}
+}