github.com/docker/docker@v299999999.0.0-20200612211812-aaf470eca7b5+incompatible/pkg/system/path_windows_test.go (about)

     1  // +build windows
     2  
     3  package system // import "github.com/docker/docker/pkg/system"
     4  
     5  import (
     6  	"testing"
     7  
     8  	"github.com/containerd/continuity/pathdriver"
     9  )
    10  
    11  // TestCheckSystemDriveAndRemoveDriveLetter tests CheckSystemDriveAndRemoveDriveLetter
    12  func TestCheckSystemDriveAndRemoveDriveLetter(t *testing.T) {
    13  	// Fails if not C drive.
    14  	_, err := CheckSystemDriveAndRemoveDriveLetter(`d:\`, pathdriver.LocalPathDriver)
    15  	if err == nil || err.Error() != "The specified path is not on the system drive (C:)" {
    16  		t.Fatalf("Expected error for d:")
    17  	}
    18  
    19  	// Single character is unchanged
    20  	var path string
    21  	if path, err = CheckSystemDriveAndRemoveDriveLetter("z", pathdriver.LocalPathDriver); err != nil {
    22  		t.Fatalf("Single character should pass")
    23  	}
    24  	if path != "z" {
    25  		t.Fatalf("Single character should be unchanged")
    26  	}
    27  
    28  	// Two characters without colon is unchanged
    29  	if path, err = CheckSystemDriveAndRemoveDriveLetter("AB", pathdriver.LocalPathDriver); err != nil {
    30  		t.Fatalf("2 characters without colon should pass")
    31  	}
    32  	if path != "AB" {
    33  		t.Fatalf("2 characters without colon should be unchanged")
    34  	}
    35  
    36  	// Abs path without drive letter
    37  	if path, err = CheckSystemDriveAndRemoveDriveLetter(`\l`, pathdriver.LocalPathDriver); err != nil {
    38  		t.Fatalf("abs path no drive letter should pass")
    39  	}
    40  	if path != `\l` {
    41  		t.Fatalf("abs path without drive letter should be unchanged")
    42  	}
    43  
    44  	// Abs path without drive letter, linux style
    45  	if path, err = CheckSystemDriveAndRemoveDriveLetter(`/l`, pathdriver.LocalPathDriver); err != nil {
    46  		t.Fatalf("abs path no drive letter linux style should pass")
    47  	}
    48  	if path != `\l` {
    49  		t.Fatalf("abs path without drive letter linux failed %s", path)
    50  	}
    51  
    52  	// Drive-colon should be stripped
    53  	if path, err = CheckSystemDriveAndRemoveDriveLetter(`c:\`, pathdriver.LocalPathDriver); err != nil {
    54  		t.Fatalf("An absolute path should pass")
    55  	}
    56  	if path != `\` {
    57  		t.Fatalf(`An absolute path should have been shortened to \ %s`, path)
    58  	}
    59  
    60  	// Verify with a linux-style path
    61  	if path, err = CheckSystemDriveAndRemoveDriveLetter(`c:/`, pathdriver.LocalPathDriver); err != nil {
    62  		t.Fatalf("An absolute path should pass")
    63  	}
    64  	if path != `\` {
    65  		t.Fatalf(`A linux style absolute path should have been shortened to \ %s`, path)
    66  	}
    67  
    68  	// Failure on c:
    69  	if path, err = CheckSystemDriveAndRemoveDriveLetter(`c:`, pathdriver.LocalPathDriver); err == nil {
    70  		t.Fatalf("c: should fail")
    71  	}
    72  	if err.Error() != `No relative path specified in "c:"` {
    73  		t.Fatalf(path, err)
    74  	}
    75  
    76  	// Failure on d:
    77  	if path, err = CheckSystemDriveAndRemoveDriveLetter(`d:`, pathdriver.LocalPathDriver); err == nil {
    78  		t.Fatalf("c: should fail")
    79  	}
    80  	if err.Error() != `No relative path specified in "d:"` {
    81  		t.Fatalf(path, err)
    82  	}
    83  }