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forgejo/models/migrations/v1_22/v294_test.go
Gusted 138942c09e
[CHORE] Move test related function to own package
- Go's deadcode eliminator is quite simple, if you put a public function
in a package `aa/bb` that is used only by tests, it would still be built
if package `aa/bb` was imported. This means that if such functions use
libraries relevant only to tests that those libraries would still be
be built and increase the binary size of a Go binary.
- This is also the case with Forgejo, `models/migrations/base/tests.go`
contained functions exclusively used by tests which (skipping some steps
here) imports https://github.com/ClickHouse/clickhouse-go, which is
2MiB. The `code.gitea.io/gitea/models/migrations/base` package is
imported by `cmd/doctor` and thus the code of the clickhouse library is
also built and included in the Forgejo binary, although entirely unused
and not reachable.
- This patch moves the test-related functions to their own package, so
Go's deadcode eliminator knows not to build the test-related functions
and thus reduces the size of the Forgejo binary.
- It is not possible to move this to a `_test.go` file because Go does
not allow importing functions from such files, so any test helper
function must be in a non-test package and file.
- Reduction of size (built with `TAGS="sqlite sqlite_unlock_notify" make
build`):
  - Before: 95912040 bytes (92M)
  - After: 92306888 bytes (89M)
2024-07-14 17:00:49 +02:00

52 lines
1.3 KiB
Go

// Copyright 2024 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package v1_22 //nolint
import (
"slices"
"testing"
migration_tests "code.gitea.io/gitea/models/migrations/test"
"github.com/stretchr/testify/assert"
"xorm.io/xorm/schemas"
)
func Test_AddUniqueIndexForProjectIssue(t *testing.T) {
type ProjectIssue struct { //revive:disable-line:exported
ID int64 `xorm:"pk autoincr"`
IssueID int64 `xorm:"INDEX"`
ProjectID int64 `xorm:"INDEX"`
}
// Prepare and load the testing database
x, deferable := migration_tests.PrepareTestEnv(t, 0, new(ProjectIssue))
defer deferable()
if x == nil || t.Failed() {
return
}
cnt, err := x.Table("project_issue").Where("project_id=1 AND issue_id=1").Count()
assert.NoError(t, err)
assert.EqualValues(t, 2, cnt)
assert.NoError(t, AddUniqueIndexForProjectIssue(x))
cnt, err = x.Table("project_issue").Where("project_id=1 AND issue_id=1").Count()
assert.NoError(t, err)
assert.EqualValues(t, 1, cnt)
tables, err := x.DBMetas()
assert.NoError(t, err)
assert.EqualValues(t, 1, len(tables))
found := false
for _, index := range tables[0].Indexes {
if index.Type == schemas.UniqueType {
found = true
slices.Equal(index.Cols, []string{"project_id", "issue_id"})
break
}
}
assert.True(t, found)
}