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backend/internal/database/database_test.go
lan d9aa4b46c3
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refactor(server): decouple services and improve architecture
- Introduce interfaces for all major services (JWT, PostAI, Comment, Message, Notification, QRCodeLogin, Upload, Vote, etc.) to support dependency inversion.
- Move query parameters from `internal/dto` to a new `internal/query` package to separate request payloads from data transfer objects.
- Refactor `internal/router` to use embedded `RouterDeps` for cleaner dependency management.
- Decouple handlers from repositories by injecting services instead of direct repository access, ensuring proper layering.
- Improve database initialization by moving it from `internal/model` to `internal/database`.
- Optimize message decryption by implementing a more efficient `BatchDecrypt` method in `MessageEncryptor` using a worker pool.
- Enhance error handling and security by implementing fail-fast checks for encryption key length during startup.
- Clean up unused code, including the `avatar` package and several unused DTOs.
2026-06-15 03:41:59 +08:00

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package database
import (
"os"
"path/filepath"
"testing"
"with_you/internal/config"
"with_you/internal/model"
"gorm.io/driver/sqlite"
"gorm.io/gorm"
"gorm.io/gorm/logger"
)
// 注意:完整的 NewDB→autoMigrate 在 SQLite 下会因 model 包多个表共用
// 同名索引 idx_createddata_change_log / login_log / operation_log而冲突。
// 这是 model 包的既有约束PostgreSQL 经 CREATE INDEX IF NOT EXISTS 容忍),
// 与本次分层拆分无关。因此种子逻辑测试在隔离的 SQLite 库上验证:
// 仅迁移被种子函数读写的表,避开跨表索引冲突,专注验证种子正确性与幂等性。
// newSeedTestDB 创建一个仅迁移种子相关表的 SQLite 测试库。
func newSeedTestDB(t *testing.T) *gorm.DB {
t.Helper()
dbPath := filepath.Join(t.TempDir(), "seed_test.db")
db, err := gorm.Open(sqlite.Open(dbPath), &gorm.Config{
Logger: logger.Default.LogMode(logger.Silent),
})
if err != nil {
t.Fatalf("open sqlite failed: %v", err)
}
// 仅迁移种子函数涉及的表(无 idx_created 冲突)
if err := db.AutoMigrate(
&model.Role{},
&model.CasbinRule{},
&model.Channel{},
&model.MaterialSubject{},
&model.Post{}, // dropPostsHotScoreColumnIfExists 依赖 posts 表存在
); err != nil {
t.Fatalf("autoMigrate seed tables failed: %v", err)
}
t.Cleanup(func() {
if sqlDB, err := db.DB(); err == nil {
_ = sqlDB.Close()
}
})
return db
}
// TestSeedRoles 验证角色种子写入 5 个预定义角色。
func TestSeedRoles(t *testing.T) {
db := newSeedTestDB(t)
if err := seedRoles(db); err != nil {
t.Fatalf("seedRoles failed: %v", err)
}
var count int64
db.Model(&model.Role{}).Count(&count)
if count != 5 {
t.Errorf("expected 5 seeded roles, got %d", count)
}
expected := []string{
model.RoleSuperAdmin, model.RoleAdmin, model.RoleModerator,
model.RoleUser, model.RoleBanned,
}
for _, name := range expected {
var role model.Role
if err := db.Where("name = ?", name).First(&role).Error; err != nil {
t.Errorf("expected role %q: %v", name, err)
}
}
}
// TestSeedRoles_Idempotent 验证角色种子幂等:表非空时跳过。
func TestSeedRoles_Idempotent(t *testing.T) {
db := newSeedTestDB(t)
if err := seedRoles(db); err != nil {
t.Fatalf("first seedRoles: %v", err)
}
// 第二次调用应跳过(表已有数据)
if err := seedRoles(db); err != nil {
t.Fatalf("second seedRoles: %v", err)
}
var count int64
db.Model(&model.Role{}).Count(&count)
if count != 5 {
t.Errorf("idempotent seed failed: expected 5 roles, got %d", count)
}
}
// TestSeedPermissions 验证权限策略种子写入,含超级管理员通配规则。
func TestSeedPermissions(t *testing.T) {
db := newSeedTestDB(t)
if err := seedPermissions(db); err != nil {
t.Fatalf("seedPermissions failed: %v", err)
}
var count int64
db.Model(&model.CasbinRule{}).Where("ptype = ?", "p").Count(&count)
if count == 0 {
t.Fatal("expected seeded permissions, got 0")
}
// 超级管理员 /* 通配
var rule model.CasbinRule
if err := db.Where("ptype=? AND v0=? AND v1=?", "p", model.RoleSuperAdmin, "/*").First(&rule).Error; err != nil {
t.Errorf("expected superadmin wildcard permission: %v", err)
}
}
// TestSeedPermissions_Idempotent 验证权限种子幂等。
func TestSeedPermissions_Idempotent(t *testing.T) {
db := newSeedTestDB(t)
if err := seedPermissions(db); err != nil {
t.Fatalf("first seedPermissions: %v", err)
}
var count1 int64
db.Model(&model.CasbinRule{}).Where("ptype = ?", "p").Count(&count1)
if err := seedPermissions(db); err != nil {
t.Fatalf("second seedPermissions: %v", err)
}
var count2 int64
db.Model(&model.CasbinRule{}).Where("ptype = ?", "p").Count(&count2)
if count2 != count1 {
t.Errorf("seed not idempotent: first=%d, second=%d", count1, count2)
}
}
// TestSeedChannels 验证频道种子写入 5 个默认频道。
func TestSeedChannels(t *testing.T) {
db := newSeedTestDB(t)
if err := seedChannels(db); err != nil {
t.Fatalf("seedChannels failed: %v", err)
}
var count int64
db.Model(&model.Channel{}).Count(&count)
if count != 5 {
t.Errorf("expected 5 channels, got %d", count)
}
// 抽查一个频道
var ch model.Channel
if err := db.Where("slug = ?", "market").First(&ch).Error; err != nil {
t.Errorf("expected market channel: %v", err)
}
}
// TestSeedMaterialSubjects 验证学科种子写入 8 个默认学科。
func TestSeedMaterialSubjects(t *testing.T) {
db := newSeedTestDB(t)
if err := seedMaterialSubjects(db); err != nil {
t.Fatalf("seedMaterialSubjects failed: %v", err)
}
var count int64
db.Model(&model.MaterialSubject{}).Count(&count)
if count != 8 {
t.Errorf("expected 8 material subjects, got %d", count)
}
}
// TestParseGormLogLevel 验证日志级别解析映射。
func TestParseGormLogLevel(t *testing.T) {
cases := []struct {
in string
want logger.LogLevel
}{
{"silent", logger.Silent},
{"error", logger.Error},
{"warn", logger.Warn},
{"info", logger.Info},
{"", logger.Warn}, // 默认
{"bogus", logger.Warn}, // 未知值降级为 warn
}
for _, c := range cases {
if got := parseGormLogLevel(c.in); got != c.want {
t.Errorf("parseGormLogLevel(%q) = %v, want %v", c.in, got, c.want)
}
}
}
// TestDropPostsHotScoreColumnIfExists_NoTable 验证当 posts 表不存在时安全跳过。
func TestDropPostsHotScoreColumnIfExists_NoTable(t *testing.T) {
dbPath := filepath.Join(t.TempDir(), "empty.db")
db, err := gorm.Open(sqlite.Open(dbPath), &gorm.Config{
Logger: logger.Default.LogMode(logger.Silent),
})
if err != nil {
t.Fatalf("open sqlite: %v", err)
}
t.Cleanup(func() {
if sqlDB, err := db.DB(); err == nil {
_ = sqlDB.Close()
}
})
// 未迁移 posts 表 → 应安全返回 nil
if err := dropPostsHotScoreColumnIfExists(db); err != nil {
t.Errorf("expected nil when posts table absent, got: %v", err)
}
}
// 编译期断言:确保 NewDB 签名符合 (*config.DatabaseConfig) -> (*gorm.DB, error)
var _ = func() (*gorm.DB, error) {
return NewDB(&config.DatabaseConfig{})
}
var _ = os.RemoveAll // 保持 os 引用可用(供未来临时文件场景扩展)