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forgejo/models/db/index_test.go
flynnnnnnnnnn e81ccc406b
Implement FSFE REUSE for golang files ()
Change all license headers to comply with REUSE specification.

Fix 

Co-authored-by: flynnnnnnnnnn <flynnnnnnnnnn@github>
Co-authored-by: John Olheiser <john.olheiser@gmail.com>
2022-11-27 18:20:29 +00:00

127 lines
4 KiB
Go

// Copyright 2022 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package db_test
import (
"context"
"errors"
"fmt"
"testing"
"code.gitea.io/gitea/models/db"
"code.gitea.io/gitea/models/unittest"
"github.com/stretchr/testify/assert"
)
type TestIndex db.ResourceIndex
func getCurrentResourceIndex(ctx context.Context, tableName string, groupID int64) (int64, error) {
e := db.GetEngine(ctx)
var idx int64
has, err := e.SQL(fmt.Sprintf("SELECT max_index FROM %s WHERE group_id=?", tableName), groupID).Get(&idx)
if err != nil {
return 0, err
}
if !has {
return 0, errors.New("no record")
}
return idx, nil
}
func TestSyncMaxResourceIndex(t *testing.T) {
assert.NoError(t, unittest.PrepareTestDatabase())
xe := unittest.GetXORMEngine()
assert.NoError(t, xe.Sync(&TestIndex{}))
err := db.SyncMaxResourceIndex(db.DefaultContext, "test_index", 10, 51)
assert.NoError(t, err)
// sync new max index
maxIndex, err := getCurrentResourceIndex(db.DefaultContext, "test_index", 10)
assert.NoError(t, err)
assert.EqualValues(t, 51, maxIndex)
// smaller index doesn't change
err = db.SyncMaxResourceIndex(db.DefaultContext, "test_index", 10, 30)
assert.NoError(t, err)
maxIndex, err = getCurrentResourceIndex(db.DefaultContext, "test_index", 10)
assert.NoError(t, err)
assert.EqualValues(t, 51, maxIndex)
// larger index changes
err = db.SyncMaxResourceIndex(db.DefaultContext, "test_index", 10, 62)
assert.NoError(t, err)
maxIndex, err = getCurrentResourceIndex(db.DefaultContext, "test_index", 10)
assert.NoError(t, err)
assert.EqualValues(t, 62, maxIndex)
// commit transaction
err = db.WithTx(db.DefaultContext, func(ctx context.Context) error {
err = db.SyncMaxResourceIndex(ctx, "test_index", 10, 73)
assert.NoError(t, err)
maxIndex, err = getCurrentResourceIndex(ctx, "test_index", 10)
assert.NoError(t, err)
assert.EqualValues(t, 73, maxIndex)
return nil
})
assert.NoError(t, err)
maxIndex, err = getCurrentResourceIndex(db.DefaultContext, "test_index", 10)
assert.NoError(t, err)
assert.EqualValues(t, 73, maxIndex)
// rollback transaction
err = db.WithTx(db.DefaultContext, func(ctx context.Context) error {
err = db.SyncMaxResourceIndex(ctx, "test_index", 10, 84)
maxIndex, err = getCurrentResourceIndex(ctx, "test_index", 10)
assert.NoError(t, err)
assert.EqualValues(t, 84, maxIndex)
return errors.New("test rollback")
})
assert.Error(t, err)
maxIndex, err = getCurrentResourceIndex(db.DefaultContext, "test_index", 10)
assert.NoError(t, err)
assert.EqualValues(t, 73, maxIndex) // the max index doesn't change because the transaction was rolled back
}
func TestGetNextResourceIndex(t *testing.T) {
assert.NoError(t, unittest.PrepareTestDatabase())
xe := unittest.GetXORMEngine()
assert.NoError(t, xe.Sync(&TestIndex{}))
// create a new record
maxIndex, err := db.GetNextResourceIndex(db.DefaultContext, "test_index", 20)
assert.NoError(t, err)
assert.EqualValues(t, 1, maxIndex)
// increase the existing record
maxIndex, err = db.GetNextResourceIndex(db.DefaultContext, "test_index", 20)
assert.NoError(t, err)
assert.EqualValues(t, 2, maxIndex)
// commit transaction
err = db.WithTx(db.DefaultContext, func(ctx context.Context) error {
maxIndex, err = db.GetNextResourceIndex(ctx, "test_index", 20)
assert.NoError(t, err)
assert.EqualValues(t, 3, maxIndex)
return nil
})
assert.NoError(t, err)
maxIndex, err = getCurrentResourceIndex(db.DefaultContext, "test_index", 20)
assert.NoError(t, err)
assert.EqualValues(t, 3, maxIndex)
// rollback transaction
err = db.WithTx(db.DefaultContext, func(ctx context.Context) error {
maxIndex, err = db.GetNextResourceIndex(ctx, "test_index", 20)
assert.NoError(t, err)
assert.EqualValues(t, 4, maxIndex)
return errors.New("test rollback")
})
assert.Error(t, err)
maxIndex, err = getCurrentResourceIndex(db.DefaultContext, "test_index", 20)
assert.NoError(t, err)
assert.EqualValues(t, 3, maxIndex) // the max index doesn't change because the transaction was rolled back
}