134 lines
2.7 KiB
Go
134 lines
2.7 KiB
Go
// Copyright (C) 2019 Storj Labs, Inc.
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// See LICENSE for copying information.
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package testdata
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import (
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"context"
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"fmt"
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"storj.io/storj/private/dbutil/dbschema"
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"storj.io/storj/private/dbutil/sqliteutil"
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)
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// States is the global variable that stores all the states for testing
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var States = MultiDBStates{
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List: []*MultiDBState{
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&v0,
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&v1,
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&v2,
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&v3,
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&v4,
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&v5,
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&v6,
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&v7,
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&v8,
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&v9,
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&v10,
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&v11,
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&v12,
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&v13,
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&v14,
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&v15,
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&v16,
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&v17,
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&v18,
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&v19,
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&v20,
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&v21,
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&v22,
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&v23,
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&v24,
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&v25,
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&v26,
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&v27,
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&v28,
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&v29,
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&v30,
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&v31,
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&v32,
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&v33,
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&v34,
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&v35,
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&v36,
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&v37,
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&v38,
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&v39,
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&v40,
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&v41,
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},
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}
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// MultiDBStates provides a convenient list of MultiDBState
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type MultiDBStates struct {
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List []*MultiDBState
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}
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// FindVersion finds a MultiDBState with the specified version.
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func (mdbs *MultiDBStates) FindVersion(version int) (*MultiDBState, bool) {
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for _, state := range mdbs.List {
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if state.Version == version {
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return state, true
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}
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}
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return nil, false
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}
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// MultiDBState represents an expected state across multiple DBs, defined in SQL
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// commands.
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type MultiDBState struct {
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Version int
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DBStates DBStates
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}
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// DBStates is a convenience type
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type DBStates map[string]*DBState
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// DBState allows you to define the desired state of the DB using SQl commands.
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// Both the SQl and NewData fields contains SQL that will be executed to create
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// the expected DB. The NewData SQL additionally will be executed on the testDB
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// to ensure data is consistent.
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type DBState struct {
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SQL string
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NewData string
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}
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// MultiDBSnapshot represents an expected state among multiple databases
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type MultiDBSnapshot struct {
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Version int
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DBSnapshots DBSnapshots
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}
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// NewMultiDBSnapshot returns a new MultiDBSnapshot
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func NewMultiDBSnapshot() *MultiDBSnapshot {
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return &MultiDBSnapshot{
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DBSnapshots: DBSnapshots{},
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}
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}
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// DBSnapshots is a convenience type
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type DBSnapshots map[string]*DBSnapshot
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// DBSnapshot is a snapshot of a single DB.
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type DBSnapshot struct {
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Schema *dbschema.Schema
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Data *dbschema.Data
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}
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// LoadMultiDBSnapshot converts a MultiDBState into a MultiDBSnapshot. It
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// executes the SQL and stores the shema and data.
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func LoadMultiDBSnapshot(ctx context.Context, multiDBState *MultiDBState) (*MultiDBSnapshot, error) {
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multiDBSnapshot := NewMultiDBSnapshot()
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for dbName, dbState := range multiDBState.DBStates {
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snapshot, err := sqliteutil.LoadSnapshotFromSQL(ctx, fmt.Sprintf("%s\n%s", dbState.SQL, dbState.NewData))
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if err != nil {
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return nil, err
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}
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multiDBSnapshot.DBSnapshots[dbName] = &DBSnapshot{
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Schema: snapshot.Schema,
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Data: snapshot.Data,
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}
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}
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return multiDBSnapshot, nil
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}
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