121 lines
2.8 KiB
Go
121 lines
2.8 KiB
Go
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package system
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import (
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"io/ioutil"
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"os"
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"path/filepath"
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"testing"
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"time"
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)
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// prepareTempFile creates a temporary file in a temporary directory.
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func prepareTempFile(t *testing.T) (string, string) {
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dir, err := ioutil.TempDir("", "docker-system-test")
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if err != nil {
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t.Fatal(err)
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}
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file := filepath.Join(dir, "exist")
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if err := ioutil.WriteFile(file, []byte("hello"), 0644); err != nil {
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t.Fatal(err)
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}
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return file, dir
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}
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// TestChtimes tests Chtimes on a tempfile. Test only mTime, because aTime is OS dependent
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func TestChtimes(t *testing.T) {
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file, dir := prepareTempFile(t)
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defer os.RemoveAll(dir)
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beforeUnixEpochTime := time.Unix(0, 0).Add(-100 * time.Second)
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unixEpochTime := time.Unix(0, 0)
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afterUnixEpochTime := time.Unix(100, 0)
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// The max Unix time is 33 bits set
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unixMaxTime := unixEpochTime.Add((1<<33 - 1) * time.Second)
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afterUnixMaxTime := unixMaxTime.Add(100 * time.Second)
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// Test both aTime and mTime set to Unix Epoch
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Chtimes(file, unixEpochTime, unixEpochTime)
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f, err := os.Stat(file)
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if err != nil {
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t.Fatal(err)
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}
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if f.ModTime() != unixEpochTime {
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t.Fatalf("Expected: %s, got: %s", unixEpochTime, f.ModTime())
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}
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// Test aTime before Unix Epoch and mTime set to Unix Epoch
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Chtimes(file, beforeUnixEpochTime, unixEpochTime)
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f, err = os.Stat(file)
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if err != nil {
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t.Fatal(err)
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}
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if f.ModTime() != unixEpochTime {
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t.Fatalf("Expected: %s, got: %s", unixEpochTime, f.ModTime())
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}
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// Test aTime set to Unix Epoch and mTime before Unix Epoch
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Chtimes(file, unixEpochTime, beforeUnixEpochTime)
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f, err = os.Stat(file)
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if err != nil {
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t.Fatal(err)
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}
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if f.ModTime() != unixEpochTime {
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t.Fatalf("Expected: %s, got: %s", unixEpochTime, f.ModTime())
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}
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// Test both aTime and mTime set to after Unix Epoch (valid time)
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Chtimes(file, afterUnixEpochTime, afterUnixEpochTime)
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f, err = os.Stat(file)
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if err != nil {
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t.Fatal(err)
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}
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if f.ModTime() != afterUnixEpochTime {
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t.Fatalf("Expected: %s, got: %s", afterUnixEpochTime, f.ModTime())
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}
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// Test both aTime and mTime set to Unix max time
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Chtimes(file, unixMaxTime, unixMaxTime)
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f, err = os.Stat(file)
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if err != nil {
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t.Fatal(err)
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}
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if f.ModTime() != unixMaxTime {
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t.Fatalf("Expected: %s, got: %s", unixMaxTime, f.ModTime())
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}
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// Test aTime after Unix max time and mTime set to Unix max time
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Chtimes(file, afterUnixMaxTime, unixMaxTime)
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f, err = os.Stat(file)
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if err != nil {
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t.Fatal(err)
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}
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if f.ModTime() != unixMaxTime {
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t.Fatalf("Expected: %s, got: %s", unixMaxTime, f.ModTime())
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}
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// Test aTime set to Unix Epoch and mTime before Unix Epoch
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Chtimes(file, unixMaxTime, afterUnixMaxTime)
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f, err = os.Stat(file)
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if err != nil {
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t.Fatal(err)
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}
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if f.ModTime() != unixEpochTime {
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t.Fatalf("Expected: %s, got: %s", unixEpochTime, f.ModTime())
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}
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}
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