2025-11-21 14:01:43 +08:00
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package smtp
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import (
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"context"
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"strings"
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"testing"
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"code.yun.ink/pkg/mailx/interfaces"
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)
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// 测试内容类型检测
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func TestContentTypeDetection(t *testing.T) {
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smtpClient := NewSmtp()
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tests := []struct {
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name string
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body string
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expected interfaces.ContentType
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}{
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{
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name: "HTML with html tag",
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body: "<html><body>Test</body></html>",
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expected: interfaces.ContentTypeHTML,
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},
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{
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name: "HTML with div tag",
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body: "<div>Test content</div>",
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expected: interfaces.ContentTypeHTML,
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},
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{
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name: "HTML with img tag",
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body: "Check this image: <img src='test.jpg'>",
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expected: interfaces.ContentTypeHTML,
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},
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{
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name: "Plain text",
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body: "This is plain text without any HTML tags.",
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expected: interfaces.ContentTypeText,
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},
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{
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name: "Text with angle brackets",
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body: "Price: 100 < 200, Quality: A > B",
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expected: interfaces.ContentTypeText,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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result := smtpClient.detectContentType(tt.body)
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if result != tt.expected {
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t.Errorf("Expected %s, got %s for body: %s", tt.expected, result, tt.body)
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}
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})
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}
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}
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// 测试邮件头构建
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func TestBuildHeaders(t *testing.T) {
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smtpClient := NewSmtp()
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smtpClient.SetOption(context.Background(), interfaces.SetSmtp(&interfaces.EmailConfigDataSmtp{}))
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boundary := "test-boundary"
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tests := []struct {
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name string
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message interfaces.Message
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expected string
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}{
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{
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name: "HTML with inline images",
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message: interfaces.Message{
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Subject: "Test Subject",
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InlineImage: []interfaces.Attachment{{Name: "test.jpg"}},
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},
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expected: "multipart/related",
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},
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{
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name: "HTML with attachments",
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message: interfaces.Message{
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Subject: "Test Subject",
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Attachment: []interfaces.Attachment{{Name: "test.pdf"}},
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},
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expected: "multipart/mixed",
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},
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{
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name: "Simple message",
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message: interfaces.Message{
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Subject: "Test Subject",
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},
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expected: "multipart/alternative",
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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headers := smtpClient.buildHeaders(tt.message, boundary)
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contentType := headers["Content-Type"]
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if !strings.Contains(contentType, tt.expected) {
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t.Errorf("Expected Content-Type to contain %s, got %s", tt.expected, contentType)
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}
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})
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}
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}
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// 测试附件类型处理
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func TestAttachmentTypes(t *testing.T) {
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tests := []struct {
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name string
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attachment interfaces.Attachment
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expectCID bool
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}{
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{
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name: "File attachment",
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attachment: interfaces.Attachment{
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Name: "document.pdf",
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Type: interfaces.AttachmentTypeFile,
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},
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expectCID: false,
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},
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{
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name: "Inline image",
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attachment: interfaces.Attachment{
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Name: "image.jpg",
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Type: interfaces.AttachmentTypeInline,
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CID: "test-image",
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},
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expectCID: true,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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if tt.expectCID && tt.attachment.CID == "" {
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t.Error("Expected CID for inline attachment")
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}
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if !tt.expectCID && tt.attachment.Type == interfaces.AttachmentTypeFile {
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// File attachments should not have CID
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if tt.attachment.CID != "" {
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t.Error("File attachment should not have CID")
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}
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}
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})
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}
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}
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// 测试消息验证
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func TestMessageValidation2(t *testing.T) {
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smtpClient := NewSmtp()
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ctx := context.Background()
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// 配置SMTP客户端
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err := smtpClient.SetOption(ctx, func(opt *interfaces.Options) {
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2025-11-21 14:01:43 +08:00
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opt.Smtp = &interfaces.EmailConfigDataSmtp{
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Host: "smtp.example.com",
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Port: "587",
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Username: "test@example.com",
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Password: "password",
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}
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})
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if err != nil {
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t.Fatalf("Failed to configure SMTP: %v", err)
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}
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tests := []struct {
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name string
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message interfaces.Message
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wantErr bool
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}{
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{
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name: "Valid HTML message",
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message: interfaces.Message{
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To: []string{"test@example.com"},
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Subject: "Test",
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Body: "<h1>Test</h1>",
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BodyType: interfaces.ContentTypeHTML,
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},
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wantErr: false,
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},
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{
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name: "Valid text message",
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message: interfaces.Message{
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To: []string{"test@example.com"},
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Subject: "Test",
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Body: "Plain text",
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BodyType: interfaces.ContentTypeText,
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},
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wantErr: false,
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},
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{
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name: "Message with inline images",
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message: interfaces.Message{
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To: []string{"test@example.com"},
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Subject: "Test",
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Body: "<img src='cid:test'>",
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InlineImage: []interfaces.Attachment{
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{
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Name: "test.jpg",
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CID: "test",
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Type: interfaces.AttachmentTypeInline,
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},
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},
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},
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wantErr: false,
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},
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{
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name: "Empty recipients",
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message: interfaces.Message{
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Subject: "Test",
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Body: "Test body",
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},
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wantErr: true,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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err := smtpClient.validateMessage(tt.message)
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if (err != nil) != tt.wantErr {
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t.Errorf("validateMessage() error = %v, wantErr %v", err, tt.wantErr)
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}
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})
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}
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}
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// 测试多部分邮件构建
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func TestMultipartEmailConstruction2(t *testing.T) {
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smtpClient := NewSmtp()
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ctx := context.Background()
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2025-11-21 15:54:49 +08:00
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err := smtpClient.SetOption(ctx, func(opt *interfaces.Options) {
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2025-11-21 14:01:43 +08:00
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opt.Smtp = &interfaces.EmailConfigDataSmtp{
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Host: "smtp.example.com",
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Port: "587",
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Username: "test@example.com",
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Password: "password",
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}
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})
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if err != nil {
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t.Fatalf("Failed to configure SMTP: %v", err)
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}
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message := interfaces.Message{
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To: []string{"recipient@example.com"},
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Subject: "Multipart Test",
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BodyType: interfaces.ContentTypeHTML,
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Body: "<h1>HTML Content</h1><img src='cid:test-img'>",
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TextBody: "Plain text version",
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InlineImage: []interfaces.Attachment{
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{
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Data: []byte("fake-image-data"),
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ContentType: "image/jpeg",
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Name: "test.jpg",
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CID: "test-img",
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Type: interfaces.AttachmentTypeInline,
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},
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},
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Attachment: []interfaces.Attachment{
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{
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Data: []byte("fake-pdf-data"),
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ContentType: "application/pdf",
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Name: "document.pdf",
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Type: interfaces.AttachmentTypeFile,
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},
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},
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}
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// 测试邮件构建（不实际发送）
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boundary := "test-boundary"
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headers := smtpClient.buildHeaders(message, boundary)
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// 验证Content-Type
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contentType := headers["Content-Type"]
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if !strings.Contains(contentType, "multipart/related") {
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t.Errorf("Expected multipart/related for message with inline images, got %s", contentType)
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}
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// 验证必要的头部字段
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requiredHeaders := []string{"From", "To", "Subject", "Date", "MIME-Version", "Content-Type"}
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for _, header := range requiredHeaders {
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if _, exists := headers[header]; !exists {
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t.Errorf("Missing required header: %s", header)
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}
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}
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}
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// 测试字节数据附件
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func TestByteDataAttachment(t *testing.T) {
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attachment := interfaces.Attachment{
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Data: []byte("test file content"),
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ContentType: "text/plain",
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Name: "test.txt",
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Type: interfaces.AttachmentTypeFile,
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}
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if len(attachment.Data) == 0 {
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t.Error("Attachment data should not be empty")
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}
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if attachment.ContentType != "text/plain" {
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t.Errorf("Expected content type text/plain, got %s", attachment.ContentType)
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}
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}
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// 基准测试：HTML邮件构建性能
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func BenchmarkHTMLEmailConstruction(b *testing.B) {
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smtpClient := NewSmtp()
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ctx := context.Background()
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smtpClient.SetOption(ctx, func(opt *interfaces.Options) {
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opt.Smtp = &interfaces.EmailConfigDataSmtp{
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Host: "smtp.example.com",
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Port: "587",
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Username: "test@example.com",
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|
|
Password: "password",
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|
|
}
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|
|
})
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|
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|
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|
|
message := interfaces.Message{
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|
|
To: []string{"test@example.com"},
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|
|
Subject: "Benchmark Test",
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|
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|
|
BodyType: interfaces.ContentTypeHTML,
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|
|
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|
|
Body: "<h1>Benchmark</h1><p>Performance test content</p>",
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|
|
|
|
|
TextBody: "Benchmark - Performance test content",
|
|
|
|
|
|
InlineImage: []interfaces.Attachment{
|
|
|
|
|
|
{
|
|
|
|
|
|
Data: make([]byte, 1024), // 1KB fake image
|
|
|
|
|
|
ContentType: "image/jpeg",
|
|
|
|
|
|
Name: "test.jpg",
|
|
|
|
|
|
CID: "test-img",
|
|
|
|
|
|
Type: interfaces.AttachmentTypeInline,
|
|
|
|
|
|
},
|
|
|
|
|
|
},
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
b.ResetTimer()
|
|
|
|
|
|
for i := 0; i < b.N; i++ {
|
|
|
|
|
|
boundary := "benchmark-boundary"
|
|
|
|
|
|
headers := smtpClient.buildHeaders(message, boundary)
|
|
|
|
|
|
_ = headers
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 测试大附件处理
|
|
|
|
|
|
func TestLargeAttachmentHandling(t *testing.T) {
|
|
|
|
|
|
// 创建大附件数据（模拟）
|
|
|
|
|
|
largeData := make([]byte, 1024*1024) // 1MB
|
|
|
|
|
|
for i := range largeData {
|
|
|
|
|
|
largeData[i] = byte(i % 256)
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
attachment := interfaces.Attachment{
|
|
|
|
|
|
Data: largeData,
|
|
|
|
|
|
ContentType: "application/octet-stream",
|
|
|
|
|
|
Name: "large_file.bin",
|
|
|
|
|
|
Type: interfaces.AttachmentTypeFile,
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
if len(attachment.Data) != 1024*1024 {
|
|
|
|
|
|
t.Errorf("Expected 1MB data, got %d bytes", len(attachment.Data))
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 测试是否超过限制（25MB）
|
|
|
|
|
|
maxSize := 25 * 1024 * 1024
|
|
|
|
|
|
if len(attachment.Data) > maxSize {
|
|
|
|
|
|
t.Errorf("Attachment size %d exceeds limit %d", len(attachment.Data), maxSize)
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
