github.com/Prakhar-Agarwal-byte/moby@v0.0.0-20231027092010-a14e3e8ab87e/pkg/system/chtimes_linux_test.go (about)

     1  package system // import "github.com/Prakhar-Agarwal-byte/moby/pkg/system"
     2  
     3  import (
     4  	"os"
     5  	"path/filepath"
     6  	"syscall"
     7  	"testing"
     8  	"time"
     9  )
    10  
    11  // TestChtimesATime tests Chtimes access time on a tempfile.
    12  func TestChtimesATime(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  		stat := f.Sys().(*syscall.Stat_t)
    33  		aTime := time.Unix(stat.Atim.Unix())
    34  		if aTime != unixEpochTime {
    35  			t.Fatalf("Expected: %s, got: %s", unixEpochTime, aTime)
    36  		}
    37  	})
    38  
    39  	// Test aTime before Unix Epoch and mTime set to Unix Epoch
    40  	t.Run("aTime before Unix Epoch and mTime set to Unix Epoch", func(t *testing.T) {
    41  		if err := Chtimes(file, beforeUnixEpochTime, unixEpochTime); err != nil {
    42  			t.Error(err)
    43  		}
    44  
    45  		f, err := os.Stat(file)
    46  		if err != nil {
    47  			t.Fatal(err)
    48  		}
    49  
    50  		stat := f.Sys().(*syscall.Stat_t)
    51  		aTime := time.Unix(stat.Atim.Unix())
    52  		if aTime != unixEpochTime {
    53  			t.Fatalf("Expected: %s, got: %s", unixEpochTime, aTime)
    54  		}
    55  	})
    56  
    57  	// Test aTime set to Unix Epoch and mTime before Unix Epoch
    58  	t.Run("aTime set to Unix Epoch and mTime before Unix Epoch", func(t *testing.T) {
    59  		if err := Chtimes(file, unixEpochTime, beforeUnixEpochTime); err != nil {
    60  			t.Error(err)
    61  		}
    62  
    63  		f, err := os.Stat(file)
    64  		if err != nil {
    65  			t.Fatal(err)
    66  		}
    67  
    68  		stat := f.Sys().(*syscall.Stat_t)
    69  		aTime := time.Unix(stat.Atim.Unix())
    70  		if aTime != unixEpochTime {
    71  			t.Fatalf("Expected: %s, got: %s", unixEpochTime, aTime)
    72  		}
    73  	})
    74  
    75  	// Test both aTime and mTime set to after Unix Epoch (valid time)
    76  	t.Run("both aTime and mTime set to after Unix Epoch (valid time)", func(t *testing.T) {
    77  		if err := Chtimes(file, afterUnixEpochTime, afterUnixEpochTime); err != nil {
    78  			t.Error(err)
    79  		}
    80  
    81  		f, err := os.Stat(file)
    82  		if err != nil {
    83  			t.Fatal(err)
    84  		}
    85  
    86  		stat := f.Sys().(*syscall.Stat_t)
    87  		aTime := time.Unix(stat.Atim.Unix())
    88  		if aTime != afterUnixEpochTime {
    89  			t.Fatalf("Expected: %s, got: %s", afterUnixEpochTime, aTime)
    90  		}
    91  	})
    92  
    93  	// Test both aTime and mTime set to Unix max time
    94  	t.Run("both aTime and mTime set to Unix max time", func(t *testing.T) {
    95  		if err := Chtimes(file, unixMaxTime, unixMaxTime); err != nil {
    96  			t.Error(err)
    97  		}
    98  
    99  		f, err := os.Stat(file)
   100  		if err != nil {
   101  			t.Fatal(err)
   102  		}
   103  
   104  		stat := f.Sys().(*syscall.Stat_t)
   105  		aTime := time.Unix(stat.Atim.Unix())
   106  		if aTime.Truncate(time.Second) != unixMaxTime.Truncate(time.Second) {
   107  			t.Fatalf("Expected: %s, got: %s", unixMaxTime.Truncate(time.Second), aTime.Truncate(time.Second))
   108  		}
   109  	})
   110  }