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https://github.com/go-gitea/gitea
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a35714372d
Related to #22362. I overlooked that there's always `committer.Close()`, like: ```go ctx, committer, err := db.TxContext(db.DefaultContext) if err != nil { return nil } defer committer.Close() // ... if err != nil { return nil } // ... return committer.Commit() ``` So the `Close` of `halfCommitter` should ignore `commit and close`, it's not a rollback. See: [Why `halfCommitter` and `WithTx` should rollback IMMEDIATELY or commit LATER](https://github.com/go-gitea/gitea/pull/22366#issuecomment-1374778612). Co-authored-by: techknowlogick <techknowlogick@gitea.io>
103 lines
2.0 KiB
Go
103 lines
2.0 KiB
Go
// Copyright 2022 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package db // it's not db_test, because this file is for testing the private type halfCommitter
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import (
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"fmt"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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type MockCommitter struct {
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wants []string
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gots []string
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}
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func NewMockCommitter(wants ...string) *MockCommitter {
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return &MockCommitter{
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wants: wants,
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}
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}
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func (c *MockCommitter) Commit() error {
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c.gots = append(c.gots, "commit")
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return nil
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}
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func (c *MockCommitter) Close() error {
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c.gots = append(c.gots, "close")
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return nil
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}
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func (c *MockCommitter) Assert(t *testing.T) {
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assert.Equal(t, c.wants, c.gots, "want operations %v, but got %v", c.wants, c.gots)
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}
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func Test_halfCommitter(t *testing.T) {
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/*
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Do something like:
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ctx, committer, err := db.TxContext(db.DefaultContext)
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if err != nil {
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return nil
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}
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defer committer.Close()
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// ...
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if err != nil {
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return nil
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}
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// ...
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return committer.Commit()
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*/
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testWithCommitter := func(committer Committer, f func(committer Committer) error) {
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if err := f(&halfCommitter{committer: committer}); err == nil {
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committer.Commit()
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}
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committer.Close()
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}
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t.Run("commit and close", func(t *testing.T) {
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mockCommitter := NewMockCommitter("commit", "close")
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testWithCommitter(mockCommitter, func(committer Committer) error {
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defer committer.Close()
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return committer.Commit()
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})
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mockCommitter.Assert(t)
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})
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t.Run("rollback and close", func(t *testing.T) {
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mockCommitter := NewMockCommitter("close", "close")
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testWithCommitter(mockCommitter, func(committer Committer) error {
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defer committer.Close()
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if true {
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return fmt.Errorf("error")
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}
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return committer.Commit()
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})
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mockCommitter.Assert(t)
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})
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t.Run("close and commit", func(t *testing.T) {
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mockCommitter := NewMockCommitter("close", "close")
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testWithCommitter(mockCommitter, func(committer Committer) error {
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committer.Close()
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committer.Commit()
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return fmt.Errorf("error")
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})
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mockCommitter.Assert(t)
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})
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}
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