github.com/moby/docker@v26.1.3+incompatible/pkg/system/chtimes_test.go (about)

     1  package system // import "github.com/docker/docker/pkg/system"
     2  
     3  import (
     4  	"os"
     5  	"path/filepath"
     6  	"testing"
     7  	"time"
     8  )
     9  
    10  // TestChtimesModTime tests Chtimes on a tempfile. Test only mTime, because
    11  // aTime is OS dependent.
    12  func TestChtimesModTime(t *testing.T) {
    13  	file := filepath.Join(t.TempDir(), "exist")
    14  	if err := os.WriteFile(file, []byte("hello"), 0o644); err != nil {
    15  		t.Fatal(err)
    16  	}
    17  
    18  	beforeUnixEpochTime := unixEpochTime.Add(-100 * time.Second)
    19  	afterUnixEpochTime := unixEpochTime.Add(100 * time.Second)
    20  
    21  	// Test both aTime and mTime set to Unix Epoch
    22  	t.Run("both aTime and mTime set to Unix Epoch", func(t *testing.T) {
    23  		if err := Chtimes(file, unixEpochTime, unixEpochTime); err != nil {
    24  			t.Error(err)
    25  		}
    26  
    27  		f, err := os.Stat(file)
    28  		if err != nil {
    29  			t.Fatal(err)
    30  		}
    31  
    32  		if f.ModTime() != unixEpochTime {
    33  			t.Fatalf("Expected: %s, got: %s", unixEpochTime, f.ModTime())
    34  		}
    35  	})
    36  
    37  	// Test aTime before Unix Epoch and mTime set to Unix Epoch
    38  	t.Run("aTime before Unix Epoch and mTime set to Unix Epoch", func(t *testing.T) {
    39  		if err := Chtimes(file, beforeUnixEpochTime, unixEpochTime); err != nil {
    40  			t.Error(err)
    41  		}
    42  
    43  		f, err := os.Stat(file)
    44  		if err != nil {
    45  			t.Fatal(err)
    46  		}
    47  
    48  		if f.ModTime() != unixEpochTime {
    49  			t.Fatalf("Expected: %s, got: %s", unixEpochTime, f.ModTime())
    50  		}
    51  	})
    52  
    53  	// Test aTime set to Unix Epoch and mTime before Unix Epoch
    54  	t.Run("aTime set to Unix Epoch and mTime before Unix Epoch", func(t *testing.T) {
    55  		if err := Chtimes(file, unixEpochTime, beforeUnixEpochTime); err != nil {
    56  			t.Error(err)
    57  		}
    58  
    59  		f, err := os.Stat(file)
    60  		if err != nil {
    61  			t.Fatal(err)
    62  		}
    63  
    64  		if f.ModTime() != unixEpochTime {
    65  			t.Fatalf("Expected: %s, got: %s", unixEpochTime, f.ModTime())
    66  		}
    67  	})
    68  
    69  	// Test both aTime and mTime set to after Unix Epoch (valid time)
    70  	t.Run("both aTime and mTime set to after Unix Epoch (valid time)", func(t *testing.T) {
    71  		if err := Chtimes(file, afterUnixEpochTime, afterUnixEpochTime); err != nil {
    72  			t.Error(err)
    73  		}
    74  
    75  		f, err := os.Stat(file)
    76  		if err != nil {
    77  			t.Fatal(err)
    78  		}
    79  
    80  		if f.ModTime() != afterUnixEpochTime {
    81  			t.Fatalf("Expected: %s, got: %s", afterUnixEpochTime, f.ModTime())
    82  		}
    83  	})
    84  
    85  	// Test both aTime and mTime set to Unix max time
    86  	t.Run("both aTime and mTime set to Unix max time", func(t *testing.T) {
    87  		if err := Chtimes(file, unixMaxTime, unixMaxTime); err != nil {
    88  			t.Error(err)
    89  		}
    90  
    91  		f, err := os.Stat(file)
    92  		if err != nil {
    93  			t.Fatal(err)
    94  		}
    95  
    96  		if f.ModTime().Truncate(time.Second) != unixMaxTime.Truncate(time.Second) {
    97  			t.Fatalf("Expected: %s, got: %s", unixMaxTime.Truncate(time.Second), f.ModTime().Truncate(time.Second))
    98  		}
    99  	})
   100  }