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https://codeberg.org/forgejo/forgejo.git
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138942c09e
- 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)
88 lines
2.2 KiB
Go
88 lines
2.2 KiB
Go
// Copyright 2021 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package v1_14 //nolint
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import (
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"testing"
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migration_tests "code.gitea.io/gitea/models/migrations/test"
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"code.gitea.io/gitea/modules/timeutil"
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"github.com/stretchr/testify/assert"
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)
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func Test_DeleteOrphanedIssueLabels(t *testing.T) {
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// Create the models used in the migration
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type IssueLabel struct {
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ID int64 `xorm:"pk autoincr"`
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IssueID int64 `xorm:"UNIQUE(s)"`
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LabelID int64 `xorm:"UNIQUE(s)"`
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}
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type Label struct {
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ID int64 `xorm:"pk autoincr"`
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RepoID int64 `xorm:"INDEX"`
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OrgID int64 `xorm:"INDEX"`
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Name string
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Description string
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Color string `xorm:"VARCHAR(7)"`
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NumIssues int
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NumClosedIssues int
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CreatedUnix timeutil.TimeStamp `xorm:"INDEX created"`
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UpdatedUnix timeutil.TimeStamp `xorm:"INDEX updated"`
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}
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// Prepare and load the testing database
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x, deferable := migration_tests.PrepareTestEnv(t, 0, new(IssueLabel), new(Label))
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if x == nil || t.Failed() {
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defer deferable()
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return
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}
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defer deferable()
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var issueLabels []*IssueLabel
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preMigration := map[int64]*IssueLabel{}
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postMigration := map[int64]*IssueLabel{}
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// Load issue labels that exist in the database pre-migration
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if err := x.Find(&issueLabels); err != nil {
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assert.NoError(t, err)
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return
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}
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for _, issueLabel := range issueLabels {
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preMigration[issueLabel.ID] = issueLabel
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}
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// Run the migration
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if err := DeleteOrphanedIssueLabels(x); err != nil {
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assert.NoError(t, err)
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return
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}
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// Load the remaining issue-labels
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issueLabels = issueLabels[:0]
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if err := x.Find(&issueLabels); err != nil {
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assert.NoError(t, err)
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return
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}
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for _, issueLabel := range issueLabels {
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postMigration[issueLabel.ID] = issueLabel
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}
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// Now test what is left
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if _, ok := postMigration[2]; ok {
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t.Errorf("Orphaned Label[2] survived the migration")
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return
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}
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if _, ok := postMigration[5]; ok {
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t.Errorf("Orphaned Label[5] survived the migration")
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return
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}
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for id, post := range postMigration {
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pre := preMigration[id]
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assert.Equal(t, pre, post, "migration changed issueLabel %d", id)
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}
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}
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