chore: 初始化仓库，排除二进制文件和覆盖率文件

internal/service/verification_service_test.go

@@ -0,0 +1,119 @@
+package service
+
+import (
+	"testing"
+	"time"
+)
+
+// TestGenerateVerificationCode 测试生成验证码函数
+func TestGenerateVerificationCode(t *testing.T) {
+	tests := []struct {
+		name    string
+		wantLen int
+		wantErr bool
+	}{
+		{
+			name:    "生成6位验证码",
+			wantLen: CodeLength,
+			wantErr: false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			code, err := GenerateVerificationCode()
+			if (err != nil) != tt.wantErr {
+				t.Errorf("GenerateVerificationCode() error = %v, wantErr %v", err, tt.wantErr)
+				return
+			}
+			if !tt.wantErr && len(code) != tt.wantLen {
+				t.Errorf("GenerateVerificationCode() code length = %v, want %v", len(code), tt.wantLen)
+			}
+			// 验证验证码只包含数字
+			for _, c := range code {
+				if c < '0' || c > '9' {
+					t.Errorf("GenerateVerificationCode() code contains non-digit: %c", c)
+				}
+			}
+		})
+	}
+
+	// 测试多次生成，验证码应该不同（概率上）
+	codes := make(map[string]bool)
+	for i := 0; i < 100; i++ {
+		code, err := GenerateVerificationCode()
+		if err != nil {
+			t.Fatalf("GenerateVerificationCode() failed: %v", err)
+		}
+		if codes[code] {
+			t.Logf("发现重复验证码（这是正常的，因为只有6位数字）: %s", code)
+		}
+		codes[code] = true
+	}
+}
+
+// TestVerificationConstants 测试验证码相关常量
+func TestVerificationConstants(t *testing.T) {
+	if CodeLength != 6 {
+		t.Errorf("CodeLength = %d, want 6", CodeLength)
+	}
+
+	if CodeExpiration != 10*time.Minute {
+		t.Errorf("CodeExpiration = %v, want 10 minutes", CodeExpiration)
+	}
+
+	if CodeRateLimit != 1*time.Minute {
+		t.Errorf("CodeRateLimit = %v, want 1 minute", CodeRateLimit)
+	}
+
+	// 验证验证码类型常量
+	types := []string{
+		VerificationTypeRegister,
+		VerificationTypeResetPassword,
+		VerificationTypeChangeEmail,
+	}
+
+	for _, vType := range types {
+		if vType == "" {
+			t.Error("验证码类型不能为空")
+		}
+	}
+}
+
+// TestVerificationCodeFormat 测试验证码格式
+func TestVerificationCodeFormat(t *testing.T) {
+	code, err := GenerateVerificationCode()
+	if err != nil {
+		t.Fatalf("GenerateVerificationCode() failed: %v", err)
+	}
+
+	// 验证长度
+	if len(code) != 6 {
+		t.Errorf("验证码长度应为6位，实际为%d位", len(code))
+	}
+
+	// 验证只包含数字
+	for i, c := range code {
+		if c < '0' || c > '9' {
+			t.Errorf("验证码第%d位包含非数字字符: %c", i+1, c)
+		}
+	}
+}
+
+// TestVerificationTypes 测试验证码类型
+func TestVerificationTypes(t *testing.T) {
+	validTypes := map[string]bool{
+		VerificationTypeRegister:      true,
+		VerificationTypeResetPassword: true,
+		VerificationTypeChangeEmail:   true,
+	}
+
+	for vType, isValid := range validTypes {
+		if !isValid {
+			t.Errorf("验证码类型 %s 应该是有效的", vType)
+		}
+		if vType == "" {
+			t.Error("验证码类型不能为空字符串")
+		}
+	}
+}