github.com/demonoid81/moby@v0.0.0-20200517203328-62dd8e17c460/pkg/system/chtimes_test.go (about) 1 package system // import "github.com/demonoid81/moby/pkg/system" 2 3 import ( 4 "io/ioutil" 5 "os" 6 "path/filepath" 7 "testing" 8 "time" 9 ) 10 11 // prepareTempFile creates a temporary file in a temporary directory. 12 func prepareTempFile(t *testing.T) (string, string) { 13 dir, err := ioutil.TempDir("", "docker-system-test") 14 if err != nil { 15 t.Fatal(err) 16 } 17 18 file := filepath.Join(dir, "exist") 19 if err := ioutil.WriteFile(file, []byte("hello"), 0644); err != nil { 20 t.Fatal(err) 21 } 22 return file, dir 23 } 24 25 // TestChtimes tests Chtimes on a tempfile. Test only mTime, because aTime is OS dependent 26 func TestChtimes(t *testing.T) { 27 file, dir := prepareTempFile(t) 28 defer os.RemoveAll(dir) 29 30 beforeUnixEpochTime := time.Unix(0, 0).Add(-100 * time.Second) 31 unixEpochTime := time.Unix(0, 0) 32 afterUnixEpochTime := time.Unix(100, 0) 33 unixMaxTime := maxTime 34 35 // Test both aTime and mTime set to Unix Epoch 36 Chtimes(file, unixEpochTime, unixEpochTime) 37 38 f, err := os.Stat(file) 39 if err != nil { 40 t.Fatal(err) 41 } 42 43 if f.ModTime() != unixEpochTime { 44 t.Fatalf("Expected: %s, got: %s", unixEpochTime, f.ModTime()) 45 } 46 47 // Test aTime before Unix Epoch and mTime set to Unix Epoch 48 Chtimes(file, beforeUnixEpochTime, unixEpochTime) 49 50 f, err = os.Stat(file) 51 if err != nil { 52 t.Fatal(err) 53 } 54 55 if f.ModTime() != unixEpochTime { 56 t.Fatalf("Expected: %s, got: %s", unixEpochTime, f.ModTime()) 57 } 58 59 // Test aTime set to Unix Epoch and mTime before Unix Epoch 60 Chtimes(file, unixEpochTime, beforeUnixEpochTime) 61 62 f, err = os.Stat(file) 63 if err != nil { 64 t.Fatal(err) 65 } 66 67 if f.ModTime() != unixEpochTime { 68 t.Fatalf("Expected: %s, got: %s", unixEpochTime, f.ModTime()) 69 } 70 71 // Test both aTime and mTime set to after Unix Epoch (valid time) 72 Chtimes(file, afterUnixEpochTime, afterUnixEpochTime) 73 74 f, err = os.Stat(file) 75 if err != nil { 76 t.Fatal(err) 77 } 78 79 if f.ModTime() != afterUnixEpochTime { 80 t.Fatalf("Expected: %s, got: %s", afterUnixEpochTime, f.ModTime()) 81 } 82 83 // Test both aTime and mTime set to Unix max time 84 Chtimes(file, unixMaxTime, unixMaxTime) 85 86 f, err = os.Stat(file) 87 if err != nil { 88 t.Fatal(err) 89 } 90 91 if f.ModTime().Truncate(time.Second) != unixMaxTime.Truncate(time.Second) { 92 t.Fatalf("Expected: %s, got: %s", unixMaxTime.Truncate(time.Second), f.ModTime().Truncate(time.Second)) 93 } 94 }