fleet/pkg/file/file_test.go
Zach Wasserman e279dc1682
Implement fleetctl updates rotate (#2831)
Add support for updating keys used in the TUF update system.
2021-11-15 10:01:48 -08:00

93 lines
2.4 KiB
Go

package file_test
import (
"io/fs"
"os"
"path/filepath"
"testing"
"github.com/fleetdm/fleet/v4/pkg/file"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestCopy(t *testing.T) {
t.Parallel()
tmp := t.TempDir()
// Setup
originalPath := filepath.Join(tmp, "original")
dstPath := filepath.Join(tmp, "copy")
expectedContents := []byte("foo")
expectedMode := fs.FileMode(0644)
require.NoError(t, os.WriteFile(originalPath, expectedContents, os.ModePerm))
require.NoError(t, os.WriteFile(dstPath, []byte("this should be overwritten"), expectedMode))
// Test
require.NoError(t, file.Copy(originalPath, dstPath, expectedMode))
contents, err := os.ReadFile(originalPath)
require.NoError(t, err)
assert.Equal(t, expectedContents, contents)
contents, err = os.ReadFile(dstPath)
require.NoError(t, err)
assert.Equal(t, expectedContents, contents)
info, err := os.Stat(dstPath)
require.NoError(t, err)
assert.Equal(t, expectedMode, info.Mode())
// Copy of nonexistent path fails
require.Error(t, file.Copy(filepath.Join(tmp, "notexist"), dstPath, os.ModePerm))
// Copy to nonexistent directory
require.Error(t, file.Copy(originalPath, filepath.Join("tmp", "notexist", "foo"), os.ModePerm))
}
func TestCopyWithPerms(t *testing.T) {
t.Parallel()
tmp := t.TempDir()
// Setup
originalPath := filepath.Join(tmp, "original")
dstPath := filepath.Join(tmp, "copy")
expectedContents := []byte("foo")
expectedMode := fs.FileMode(0755)
require.NoError(t, os.WriteFile(originalPath, expectedContents, expectedMode))
// Test
require.NoError(t, file.CopyWithPerms(originalPath, dstPath))
contents, err := os.ReadFile(dstPath)
require.NoError(t, err)
assert.Equal(t, expectedContents, contents)
info, err := os.Stat(dstPath)
require.NoError(t, err)
assert.Equal(t, expectedMode, info.Mode())
}
func TestExists(t *testing.T) {
t.Parallel()
tmp := t.TempDir()
// Setup
path := filepath.Join(tmp, "file")
require.NoError(t, os.WriteFile(path, []byte(""), os.ModePerm))
require.NoError(t, os.MkdirAll(filepath.Join(tmp, "dir", "nested"), os.ModePerm))
// Test
exists, err := file.Exists(path)
require.NoError(t, err)
assert.True(t, exists)
exists, err = file.Exists(filepath.Join(tmp, "notexist"))
require.NoError(t, err)
assert.False(t, exists)
exists, err = file.Exists(filepath.Join(tmp, "dir"))
require.NoError(t, err)
assert.False(t, exists)
}