github.com/xhghs/rclone@v1.51.1-0.20200430155106-e186a28cced8/cmd/mountlib/mounttest/edge_cases.go (about)

     1  package mounttest
     2  
     3  import (
     4  	"os"
     5  	"runtime"
     6  	"testing"
     7  
     8  	"github.com/stretchr/testify/require"
     9  )
    10  
    11  // TestTouchAndDelete checks that writing a zero byte file and immediately
    12  // deleting it is not racy. See https://github.com/rclone/rclone/issues/1181
    13  func TestTouchAndDelete(t *testing.T) {
    14  	run.skipIfNoFUSE(t)
    15  	run.checkDir(t, "")
    16  
    17  	run.createFile(t, "touched", "")
    18  	run.rm(t, "touched")
    19  
    20  	run.checkDir(t, "")
    21  }
    22  
    23  // TestRenameOpenHandle checks that a file with open writers is successfully
    24  // renamed after all writers close. See https://github.com/rclone/rclone/issues/2130
    25  func TestRenameOpenHandle(t *testing.T) {
    26  	run.skipIfNoFUSE(t)
    27  	if runtime.GOOS == "windows" {
    28  		t.Skip("Skipping test on Windows")
    29  	}
    30  
    31  	run.checkDir(t, "")
    32  
    33  	// create file
    34  	example := []byte("Some Data")
    35  	path := run.path("rename")
    36  	file, err := osCreate(path)
    37  	require.NoError(t, err)
    38  
    39  	// write some data
    40  	_, err = file.Write(example)
    41  	require.NoError(t, err)
    42  	err = file.Sync()
    43  	require.NoError(t, err)
    44  
    45  	// attempt to rename open file
    46  	err = os.Rename(path, path+"bla")
    47  	require.NoError(t, err)
    48  
    49  	// close open writers to allow rename on remote to go through
    50  	err = file.Close()
    51  	require.NoError(t, err)
    52  
    53  	run.waitForWriters()
    54  
    55  	// verify file was renamed properly
    56  	run.checkDir(t, "renamebla 9")
    57  
    58  	// cleanup
    59  	run.rm(t, "renamebla")
    60  	run.checkDir(t, "")
    61  }