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all: use T.TempDir to create temporary test directories (#24633)

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This commit replaces ioutil.TempDir with t.TempDir in tests. The
directory created by t.TempDir is automatically removed when the test
and all its subtests complete.

Prior to this commit, temporary directory created using ioutil.TempDir
had to be removed manually by calling os.RemoveAll, which is omitted in
some tests. The error handling boilerplate e.g.

	defer func() {
		if err := os.RemoveAll(dir); err != nil {
			t.Fatal(err)
		}
	}

is also tedious, but t.TempDir handles this for us nicely.

Reference: https://pkg.go.dev/testing#T.TempDir
Signed-off-by: Eng Zer Jun <engzerjun@gmail.com>
This commit is contained in:
Eng Zer Jun
2022-04-08 21:44:55 +08:00
committed by GitHub
parent bf5cacfb8f
commit 8d066f1f42
34 changed files with 140 additions and 372 deletions
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20
core/rawdb/accessors_chain_test.go
View File

@ -23,7 +23,6 @@ import (
"io/ioutil"
"math/big"
"math/rand"
"os"
"reflect"
"testing"
@ -435,11 +434,7 @@ func checkReceiptsRLP(have, want types.Receipts) error {
func TestAncientStorage(t *testing.T) {
// Freezer style fast import the chain.
frdir, err := ioutil.TempDir("", "")
if err != nil {
t.Fatalf("failed to create temp freezer dir: %v", err)
}
defer os.RemoveAll(frdir)
frdir := t.TempDir()
db, err := NewDatabaseWithFreezer(NewMemoryDatabase(), frdir, "", false)
if err != nil {
@ -577,15 +572,12 @@ func TestHashesInRange(t *testing.T) {
// This measures the write speed of the WriteAncientBlocks operation.
func BenchmarkWriteAncientBlocks(b *testing.B) {
// Open freezer database.
frdir, err := ioutil.TempDir("", "")
if err != nil {
b.Fatalf("failed to create temp freezer dir: %v", err)
}
defer os.RemoveAll(frdir)
frdir := b.TempDir()
db, err := NewDatabaseWithFreezer(NewMemoryDatabase(), frdir, "", false)
if err != nil {
b.Fatalf("failed to create database with ancient backend")
}
defer db.Close()
// Create the data to insert. The blocks must have consecutive numbers, so we create
// all of them ahead of time. However, there is no need to create receipts
@ -886,11 +878,7 @@ func BenchmarkDecodeRLPLogs(b *testing.B) {
func TestHeadersRLPStorage(t *testing.T) {
// Have N headers in the freezer
frdir, err := ioutil.TempDir("", "")
if err != nil {
t.Fatalf("failed to create temp freezer dir: %v", err)
}
defer os.Remove(frdir)
frdir := t.TempDir()
db, err := NewDatabaseWithFreezer(NewMemoryDatabase(), frdir, "", false)
if err != nil {