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moby--moby/pkg/system/chtimes_linux_test.go
Sebastiaan van Stijn ab7bc6b7d2
pkg/system: use t.TempDir(), remove some test-utils
With t.TempDir(), some of the test-utilities became so small that
it was more transparent to inline them. This also helps separating
concenrs, as we're in the process of thinning out and decoupling
some packages.

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
2022-10-07 18:36:13 +02:00

90 lines
2.2 KiB
Go

package system // import "github.com/docker/docker/pkg/system"
import (
"os"
"path/filepath"
"syscall"
"testing"
"time"
)
// TestChtimesLinux tests Chtimes access time on a tempfile on Linux
func TestChtimesLinux(t *testing.T) {
file := filepath.Join(t.TempDir(), "exist")
if err := os.WriteFile(file, []byte("hello"), 0o644); err != nil {
t.Fatal(err)
}
beforeUnixEpochTime := unixEpochTime.Add(-100 * time.Second)
afterUnixEpochTime := unixEpochTime.Add(100 * time.Second)
// Test both aTime and mTime set to Unix Epoch
Chtimes(file, unixEpochTime, unixEpochTime)
f, err := os.Stat(file)
if err != nil {
t.Fatal(err)
}
stat := f.Sys().(*syscall.Stat_t)
aTime := time.Unix(stat.Atim.Unix())
if aTime != unixEpochTime {
t.Fatalf("Expected: %s, got: %s", unixEpochTime, aTime)
}
// Test aTime before Unix Epoch and mTime set to Unix Epoch
Chtimes(file, beforeUnixEpochTime, unixEpochTime)
f, err = os.Stat(file)
if err != nil {
t.Fatal(err)
}
stat = f.Sys().(*syscall.Stat_t)
aTime = time.Unix(stat.Atim.Unix())
if aTime != unixEpochTime {
t.Fatalf("Expected: %s, got: %s", unixEpochTime, aTime)
}
// Test aTime set to Unix Epoch and mTime before Unix Epoch
Chtimes(file, unixEpochTime, beforeUnixEpochTime)
f, err = os.Stat(file)
if err != nil {
t.Fatal(err)
}
stat = f.Sys().(*syscall.Stat_t)
aTime = time.Unix(stat.Atim.Unix())
if aTime != unixEpochTime {
t.Fatalf("Expected: %s, got: %s", unixEpochTime, aTime)
}
// Test both aTime and mTime set to after Unix Epoch (valid time)
Chtimes(file, afterUnixEpochTime, afterUnixEpochTime)
f, err = os.Stat(file)
if err != nil {
t.Fatal(err)
}
stat = f.Sys().(*syscall.Stat_t)
aTime = time.Unix(stat.Atim.Unix())
if aTime != afterUnixEpochTime {
t.Fatalf("Expected: %s, got: %s", afterUnixEpochTime, aTime)
}
// Test both aTime and mTime set to Unix max time
Chtimes(file, unixMaxTime, unixMaxTime)
f, err = os.Stat(file)
if err != nil {
t.Fatal(err)
}
stat = f.Sys().(*syscall.Stat_t)
aTime = time.Unix(stat.Atim.Unix())
if aTime.Truncate(time.Second) != unixMaxTime.Truncate(time.Second) {
t.Fatalf("Expected: %s, got: %s", unixMaxTime.Truncate(time.Second), aTime.Truncate(time.Second))
}
}