- 新增 agents 表 + devices 加 4 欄(agent_id/agent_local_device_id/ registered_at/is_representative)+ 2 index + 純 SQL data migration - data migration 採 R-A:agent.id := device.id 決定性推導、冪等、 soft-deleted device 排除(WHERE deleted_at IS NULL) - 守住 ADR-018 走向 A':不碰 session_tokens FK、不改現有 partial unique index uq_devices_owner_serial_active、對 0001-0003 零破壞 - migrate_0005_db_test.go 6 個 dbtest case(apply/data migration/ rollback 對稱/re-apply 冪等/session_tokens 零影響/既有 device 讀寫回歸) - 修 TestMigrate_UpDownUp 編號 gap 假設(0001/2/3/5 無 0004): assert.Equal(topVer-1) → assert.Less(downVer, topVer) - .gitignore 加 .logs/ + **/.logs/(本機執行 log per-branch 不進 git) Reviewer 通過(0 Critical/0 Major/3 Minor/4 Sug)。全 db package 41 dbtest 130 綠、build/vet/test 綠、gitleaks 0。 Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
322 lines
13 KiB
Go
322 lines
13 KiB
Go
//go:build dbtest
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// Migration 0005(agents 模型)的真 DB 整合測試(走向 A' 第二階段地基)。
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//
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// build tag `dbtest`:需要 Docker daemon / testcontainers。預設 `go test ./...` 不編譯本檔。
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// 執行:
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//
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// go test -tags=dbtest ./internal/db/...
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// # 無本機 Docker 時,在 130 補跑:
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// DOCKER_HOST=tcp://192.168.0.130:2375 TESTCONTAINERS_RYUK_DISABLED=true \
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// go test -tags=dbtest ./internal/db/...
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//
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// 對齊 migration-0005-spec.md §6.2 六個驗證要點:
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// 1. apply:agents 表存在、devices 有 4 新欄、2 新 index 存在。
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// 2. data migration 正確:N 筆未刪除 device + M 筆 soft-deleted → agents 恰 N 筆、
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// 每筆未刪除 device 的 agent_id=自己 id 且 is_representative=true、soft-deleted 的 agent_id 仍 NULL。
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// 3. rollback 對稱:down 後 agents 表消失、devices 回 13 欄、session_tokens 完全未變。
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// 4. re-apply 冪等:up→down→up 不報錯、結果一致。
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// 5. session_tokens 零影響:遷移前後 session_tokens 的 row 與 device_id 綁定完全不變。
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// 6. 既有 device 讀寫回歸:0005 後既有 device 讀寫(舊 13 欄)仍正常運作。
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package db_test
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import (
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"context"
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"testing"
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"github.com/google/uuid"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"visiona-backend/internal/db"
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"visiona-backend/internal/db/testsupport"
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)
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// colExists 回傳指定 table 是否有指定欄位(information_schema)。
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func colExists(t *testing.T, tdb *testsupport.TestDB, table, column string) bool {
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t.Helper()
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var exists bool
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err := tdb.Pool.QueryRow(context.Background(),
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`SELECT EXISTS (
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SELECT 1 FROM information_schema.columns
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WHERE table_name = $1 AND column_name = $2
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)`, table, column).Scan(&exists)
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require.NoError(t, err, "check column %s.%s", table, column)
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return exists
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}
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// indexExists 回傳指定 index 是否存在(pg_indexes)。
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func indexExists(t *testing.T, tdb *testsupport.TestDB, name string) bool {
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t.Helper()
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var exists bool
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err := tdb.Pool.QueryRow(context.Background(),
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`SELECT EXISTS (SELECT 1 FROM pg_indexes WHERE indexname = $1)`, name).Scan(&exists)
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require.NoError(t, err, "check index %s", name)
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return exists
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}
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// tableExists 回傳指定 table 是否存在(information_schema)。
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func tableExists(t *testing.T, tdb *testsupport.TestDB, table string) bool {
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t.Helper()
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var exists bool
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err := tdb.Pool.QueryRow(context.Background(),
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`SELECT EXISTS (
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SELECT 1 FROM information_schema.tables
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WHERE table_name = $1 AND table_schema = 'public'
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)`, table).Scan(&exists)
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require.NoError(t, err, "check table %s", table)
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return exists
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}
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// deviceColCount 回傳 devices 表目前的欄位數(用於驗證 up 後 17 欄 / down 後回 13 欄)。
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func deviceColCount(t *testing.T, tdb *testsupport.TestDB) int {
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t.Helper()
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var n int
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err := tdb.Pool.QueryRow(context.Background(),
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`SELECT count(*) FROM information_schema.columns
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WHERE table_name = 'devices' AND table_schema = 'public'`).Scan(&n)
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require.NoError(t, err, "count devices columns")
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return n
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}
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// insertRawDevice 直接寫入一筆 devices,可控制 serial_number / paired_at / deleted_at。
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// 回傳寫入的 device id。data migration 測試需要精確控制 soft-delete 與 serial。
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// id 為空時自動產生 UUID(不依賴欄位 DEFAULT,以便回傳明確 id 供斷言)。
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func insertRawDevice(t *testing.T, tdb *testsupport.TestDB, id, ownerID, serial string, softDeleted bool) string {
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t.Helper()
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ctx := context.Background()
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if id == "" {
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id = uuid.NewString()
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}
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var serialArg any
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if serial == "" {
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serialArg = nil
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} else {
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serialArg = serial
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}
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deletedExpr := "NULL"
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if softDeleted {
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deletedExpr = "now()"
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}
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err := tdb.Pool.QueryRow(ctx,
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`INSERT INTO devices (id, owner_user_id, name, serial_number, paired_at, deleted_at)
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VALUES ($1, $2, $3, $4, now(), `+deletedExpr+`)
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RETURNING id`,
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id, ownerID, "raw-device", serialArg).Scan(&id)
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require.NoError(t, err, "insert raw device fixture")
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return id
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}
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// TestMigrate0005_Apply 驗證 up 後:agents 表存在、devices 有 4 新欄、2 新 index 存在(§6.2-1)。
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func TestMigrate0005_Apply(t *testing.T) {
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tdb := testsupport.SetupTestDB(t) // 已 up 到最新(含 0005)
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require.True(t, tableExists(t, tdb, "agents"), "agents 表應存在")
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for _, col := range []string{"agent_id", "agent_local_device_id", "registered_at", "is_representative"} {
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assert.True(t, colExists(t, tdb, "devices", col), "devices 應有新欄 %s", col)
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}
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for _, idx := range []string{"idx_agents_owner_active", "idx_devices_agent_active", "idx_devices_registered"} {
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assert.True(t, indexExists(t, tdb, idx), "index %s 應存在", idx)
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}
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// is_representative 應有 NOT NULL DEFAULT false(既有/新 device 加欄後預設 false)。
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assert.Equal(t, 17, deviceColCount(t, tdb), "up 後 devices 應為 13+4=17 欄")
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}
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// TestMigrate0005_DataMigration 驗證舊資料遷移正確性(§6.2-2)。
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//
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// 關鍵:SetupTestDB 一開機就跑到最新(含 0005),此時沒有「遷移前的舊 device」可觀察。
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// 故本測試手動 down 一步回到 0004、塞入 N 筆未刪除 + M 筆 soft-deleted device,再 up 觀察遷移結果。
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func TestMigrate0005_DataMigration(t *testing.T) {
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tdb := testsupport.SetupTestDB(t)
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ctx := context.Background()
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mg, err := db.NewMigrator(tdb.Cfg, discardLog())
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require.NoError(t, err)
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defer mg.Close()
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// 回退 0005,回到 0004 後狀態(devices 尚無 agent_id 等新欄)。
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require.NoError(t, mg.Down(), "down 一步回到 0004")
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require.False(t, colExists(t, tdb, "devices", "agent_id"), "down 後不應有 agent_id 欄")
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owner := tdb.InsertUser(t, "", "")
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// 塞 3 筆未刪除 device(serial=NULL,模擬連線佔位)+ 2 筆 soft-deleted device。
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activeIDs := []string{
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insertRawDevice(t, tdb, "", owner, "", false),
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insertRawDevice(t, tdb, "", owner, "", false),
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insertRawDevice(t, tdb, "", owner, "", false),
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}
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deletedIDs := []string{
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insertRawDevice(t, tdb, "", owner, "DEL-1", true),
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insertRawDevice(t, tdb, "", owner, "DEL-2", true),
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}
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// 重新 up:跑 0005 的 data migration。
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require.NoError(t, db.RunMigrations(tdb.Cfg, discardLog()), "re-up 0005")
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// agents 表應恰 3 筆(= 未刪除 device 數,soft-deleted 不建 agent)。
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assert.Equal(t, len(activeIDs), tdb.CountRows(t, "agents"), "agents 應等於未刪除 device 數")
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// 每筆未刪除 device:agent_id = 自己 id、is_representative = true、且該 agent 存在。
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for _, id := range activeIDs {
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var agentID string
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var isRep bool
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err = tdb.Pool.QueryRow(ctx,
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`SELECT agent_id, is_representative FROM devices WHERE id = $1`, id).Scan(&agentID, &isRep)
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require.NoError(t, err)
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assert.Equal(t, id, agentID, "未刪除 device 的 agent_id 應等於自己 id")
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assert.True(t, isRep, "未刪除 device 應標記 is_representative=true")
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var agentOwner string
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err = tdb.Pool.QueryRow(ctx,
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`SELECT owner_user_id FROM agents WHERE id = $1`, id).Scan(&agentOwner)
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require.NoError(t, err, "應存在 id=%s 的 agent", id)
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assert.Equal(t, owner, agentOwner, "agent 應繼承 device 的 owner")
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}
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// soft-deleted device:agent_id 仍 NULL、is_representative 仍 false(DEFAULT)。
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for _, id := range deletedIDs {
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var agentID *string
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var isRep bool
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err = tdb.Pool.QueryRow(ctx,
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`SELECT agent_id, is_representative FROM devices WHERE id = $1`, id).Scan(&agentID, &isRep)
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require.NoError(t, err)
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assert.Nil(t, agentID, "soft-deleted device 的 agent_id 應維持 NULL")
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assert.False(t, isRep, "soft-deleted device 的 is_representative 應維持 false")
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}
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}
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// TestMigrate0005_RollbackSymmetry 驗證 down 對稱:agents 消失、devices 回 13 欄(§6.2-3)。
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func TestMigrate0005_RollbackSymmetry(t *testing.T) {
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tdb := testsupport.SetupTestDB(t)
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mg, err := db.NewMigrator(tdb.Cfg, discardLog())
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require.NoError(t, err)
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defer mg.Close()
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require.True(t, tableExists(t, tdb, "agents"), "down 前 agents 應存在")
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require.Equal(t, 17, deviceColCount(t, tdb), "down 前 devices 應 17 欄")
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require.NoError(t, mg.Down(), "down 一步(回退 0005)")
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assert.False(t, tableExists(t, tdb, "agents"), "down 後 agents 表應消失")
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assert.Equal(t, 13, deviceColCount(t, tdb), "down 後 devices 應回到 0002 的 13 欄")
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for _, col := range []string{"agent_id", "agent_local_device_id", "registered_at", "is_representative"} {
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assert.False(t, colExists(t, tdb, "devices", col), "down 後 devices 不應有 %s", col)
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}
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for _, idx := range []string{"idx_agents_owner_active", "idx_devices_agent_active", "idx_devices_registered"} {
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assert.False(t, indexExists(t, tdb, idx), "down 後 index %s 應消失", idx)
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}
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}
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// TestMigrate0005_ReApplyIdempotent 驗證 up→down→up 不報錯、結果一致(§6.2-4)。
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func TestMigrate0005_ReApplyIdempotent(t *testing.T) {
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tdb := testsupport.SetupTestDB(t)
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mg, err := db.NewMigrator(tdb.Cfg, discardLog())
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require.NoError(t, err)
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defer mg.Close()
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topVer, dirty, err := mg.Version()
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require.NoError(t, err)
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require.False(t, dirty)
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require.NoError(t, mg.Down(), "down 一步")
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require.NoError(t, db.RunMigrations(tdb.Cfg, discardLog()), "重新 up")
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ver, dirty, err := mg.Version()
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require.NoError(t, err)
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assert.False(t, dirty, "up→down→up 後不應 dirty")
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assert.Equal(t, topVer, ver, "up→down→up 後版本應回到最新")
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assert.True(t, tableExists(t, tdb, "agents"), "重新 up 後 agents 表應再次存在")
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}
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// TestMigrate0005_SessionTokensUntouched 驗證 0005 對 session_tokens 零影響(§6.2-3、§6.2-5)。
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//
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// 在 0005 已 apply 的狀態下塞一筆 session_token(綁 representative device),
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// 記下 (token_hash, device_id),down 一步再 up,驗證 row 與綁定完全不變、且 session_tokens
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// schema(device_id NOT NULL FK)在 0005 進出後一字不動。
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func TestMigrate0005_SessionTokensUntouched(t *testing.T) {
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tdb := testsupport.SetupTestDB(t)
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ctx := context.Background()
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owner := tdb.InsertUser(t, "", "")
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deviceID := tdb.InsertDevice(t, "", owner)
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const tokenHash = "sha256-0005-untouched-fixture"
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_, err := tdb.Pool.Exec(ctx,
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`INSERT INTO session_tokens (token_hash, user_id, device_id) VALUES ($1, $2, $3)`,
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tokenHash, owner, deviceID)
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require.NoError(t, err, "insert session token fixture")
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// session_tokens.device_id 必須是 NOT NULL(0005 不得動它)。
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var isNullable string
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err = tdb.Pool.QueryRow(ctx,
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`SELECT is_nullable FROM information_schema.columns
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WHERE table_name = 'session_tokens' AND column_name = 'device_id'`).Scan(&isNullable)
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require.NoError(t, err)
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assert.Equal(t, "NO", isNullable, "session_tokens.device_id 應維持 NOT NULL")
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// down 一步 + 重新 up,模擬 0005 進出。
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mg, err := db.NewMigrator(tdb.Cfg, discardLog())
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require.NoError(t, err)
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defer mg.Close()
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require.NoError(t, mg.Down(), "down 一步")
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require.NoError(t, db.RunMigrations(tdb.Cfg, discardLog()), "重新 up")
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// row 與綁定完全不變。
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var gotDevice string
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err = tdb.Pool.QueryRow(ctx,
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`SELECT device_id FROM session_tokens WHERE token_hash = $1`, tokenHash).Scan(&gotDevice)
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require.NoError(t, err, "session_token row 應在 0005 進出後仍存在")
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assert.Equal(t, deviceID, gotDevice, "session_token 的 device_id 綁定不應改變")
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assert.Equal(t, 1, tdb.CountRows(t, "session_tokens"), "session_tokens 應仍恰 1 筆")
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// device_id FK 仍在(NOT NULL),插入 NULL device_id 應失敗。
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_, err = tdb.Pool.Exec(ctx,
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`INSERT INTO session_tokens (token_hash, user_id, device_id) VALUES ($1, $2, NULL)`,
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"sha256-null-device", owner)
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assert.Error(t, err, "session_tokens.device_id NOT NULL 應仍生效")
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}
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// TestMigrate0005_ExistingDeviceReadWrite 驗證 0005 後既有 device 讀寫(舊 13 欄)仍正常(§6.2-6)。
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//
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// 對齊「deviceColumns/scanDevice 未含新欄 = 既有讀寫不受影響」的相容性分析:
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// 用只涉及舊欄的 SELECT / UPDATE 走一遍,確認 0005 加欄後仍運作。
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func TestMigrate0005_ExistingDeviceReadWrite(t *testing.T) {
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tdb := testsupport.SetupTestDB(t)
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ctx := context.Background()
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owner := tdb.InsertUser(t, "", "")
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deviceID := tdb.InsertDevice(t, "", owner)
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// 舊欄 SELECT(模擬 deviceColumns,未含新 4 欄)仍可讀。
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var name, remoteStatus, status string
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err := tdb.Pool.QueryRow(ctx,
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`SELECT name, remote_status, status FROM devices WHERE id = $1`, deviceID).Scan(&name, &remoteStatus, &status)
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require.NoError(t, err, "既有 device 舊欄 SELECT 應正常")
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assert.Equal(t, "fixture-device", name)
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// 舊欄 UPDATE(雙狀態)仍可寫,且新欄維持預設(agent_id NULL / is_representative false)。
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_, err = tdb.Pool.Exec(ctx,
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`UPDATE devices SET remote_status = 'online', status = 'online', updated_at = now() WHERE id = $1`, deviceID)
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require.NoError(t, err, "既有 device 舊欄 UPDATE 應正常")
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var agentID *string
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var isRep bool
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err = tdb.Pool.QueryRow(ctx,
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`SELECT agent_id, is_representative FROM devices WHERE id = $1`, deviceID).Scan(&agentID, &isRep)
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require.NoError(t, err)
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assert.Nil(t, agentID, "0005 後新插入的 device agent_id 應為 NULL(非遷移對象)")
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assert.False(t, isRep, "新插入的 device is_representative 應為 DEFAULT false")
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// devices.owner_user_id FK 仍生效。
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_, err = tdb.Pool.Exec(ctx,
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`INSERT INTO devices (owner_user_id, name) VALUES ($1, $2)`,
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"99999999-9999-9999-9999-999999999999", "bad-owner")
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assert.Error(t, err, "devices.owner_user_id FK 應仍生效")
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}
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