193 lines
8.3 KiB
Go
193 lines
8.3 KiB
Go
package mounts // import "github.com/docker/docker/volume/mounts"
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import (
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"fmt"
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"strings"
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"testing"
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"github.com/docker/docker/api/types/mount"
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"gotest.tools/v3/assert"
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)
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func TestWindowsParseMountRaw(t *testing.T) {
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valid := []string{
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`d:\`,
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`d:`,
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`d:\path`,
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`d:\path with space`,
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`c:\:d:\`,
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`c:\windows\:d:`,
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`c:\windows:d:\s p a c e`,
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`c:\windows:d:\s p a c e:RW`,
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`c:\program files:d:\s p a c e i n h o s t d i r`,
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`0123456789name:d:`,
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`MiXeDcAsEnAmE:d:`,
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`test-aux-volume:d:`, // includes reserved word, but is not one itself
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`name:D:`,
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`name:D::rW`,
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`name:D::RW`,
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`name:D::RO`,
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`c:/:d:/forward/slashes/are/good/too`,
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`c:/:d:/including with/spaces:ro`,
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`c:\Windows`, // With capital
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`c:\Program Files (x86)`, // With capitals and brackets
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`\\?\c:\windows\:d:`, // Long path handling (source)
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`c:\windows\:\\?\d:\`, // Long path handling (target)
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`\\.\pipe\foo:\\.\pipe\foo`, // named pipe
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`//./pipe/foo://./pipe/foo`, // named pipe forward slashes
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}
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invalid := map[string]string{
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``: "invalid volume specification: ",
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`.`: "invalid volume specification: ",
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`..\`: "invalid volume specification: ",
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`c:\:..\`: "invalid volume specification: ",
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`c:\:d:\:xyzzy`: "invalid volume specification: ",
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`c:`: "cannot be `c:`",
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`c:\`: "cannot be `c:`",
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`c:\notexist:d:`: `source path does not exist: c:\notexist`,
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`c:\windows\system32\ntdll.dll:d:`: `source path must be a directory`,
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`name<:d:`: `invalid volume specification`,
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`name>:d:`: `invalid volume specification`,
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`name::d:`: `invalid volume specification`,
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`name":d:`: `invalid volume specification`,
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`name\:d:`: `invalid volume specification`,
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`name*:d:`: `invalid volume specification`,
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`name|:d:`: `invalid volume specification`,
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`name?:d:`: `invalid volume specification`,
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`name/:d:`: `invalid volume specification`,
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`d:\pathandmode:rw`: `invalid volume specification`,
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`d:\pathandmode:ro`: `invalid volume specification`,
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`con:d:`: `cannot be a reserved word for Windows filenames`,
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`PRN:d:`: `cannot be a reserved word for Windows filenames`,
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`aUx:d:`: `cannot be a reserved word for Windows filenames`,
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`nul:d:`: `cannot be a reserved word for Windows filenames`,
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`com1:d:`: `cannot be a reserved word for Windows filenames`,
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`com2:d:`: `cannot be a reserved word for Windows filenames`,
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`com3:d:`: `cannot be a reserved word for Windows filenames`,
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`com4:d:`: `cannot be a reserved word for Windows filenames`,
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`com5:d:`: `cannot be a reserved word for Windows filenames`,
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`com6:d:`: `cannot be a reserved word for Windows filenames`,
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`com7:d:`: `cannot be a reserved word for Windows filenames`,
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`com8:d:`: `cannot be a reserved word for Windows filenames`,
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`com9:d:`: `cannot be a reserved word for Windows filenames`,
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`lpt1:d:`: `cannot be a reserved word for Windows filenames`,
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`lpt2:d:`: `cannot be a reserved word for Windows filenames`,
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`lpt3:d:`: `cannot be a reserved word for Windows filenames`,
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`lpt4:d:`: `cannot be a reserved word for Windows filenames`,
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`lpt5:d:`: `cannot be a reserved word for Windows filenames`,
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`lpt6:d:`: `cannot be a reserved word for Windows filenames`,
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`lpt7:d:`: `cannot be a reserved word for Windows filenames`,
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`lpt8:d:`: `cannot be a reserved word for Windows filenames`,
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`lpt9:d:`: `cannot be a reserved word for Windows filenames`,
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`c:\windows\system32\ntdll.dll`: `Only directories can be mapped on this platform`,
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`\\.\pipe\foo:c:\pipe`: `'c:\pipe' is not a valid pipe path`,
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}
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parser := NewWindowsParser()
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if p, ok := parser.(*windowsParser); ok {
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p.fi = mockFiProvider{}
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}
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for _, path := range valid {
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if _, err := parser.ParseMountRaw(path, "local"); err != nil {
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t.Errorf("ParseMountRaw(`%q`) should succeed: error %q", path, err)
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}
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}
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for path, expectedError := range invalid {
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if mp, err := parser.ParseMountRaw(path, "local"); err == nil {
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t.Errorf("ParseMountRaw(`%q`) should have failed validation. Err '%v' - MP: %v", path, err, mp)
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} else {
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if !strings.Contains(err.Error(), expectedError) {
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t.Errorf("ParseMountRaw(`%q`) error should contain %q, got %v", path, expectedError, err.Error())
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}
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}
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}
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}
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func TestWindowsParseMountRawSplit(t *testing.T) {
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cases := []struct {
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bind string
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driver string
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expType mount.Type
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expDest string
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expSource string
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expName string
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expDriver string
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expRW bool
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fail bool
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}{
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{`c:\:d:`, "local", mount.TypeBind, `d:`, `c:\`, ``, "", true, false},
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{`c:\:d:\`, "local", mount.TypeBind, `d:\`, `c:\`, ``, "", true, false},
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{`c:\:d:\:ro`, "local", mount.TypeBind, `d:\`, `c:\`, ``, "", false, false},
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{`c:\:d:\:rw`, "local", mount.TypeBind, `d:\`, `c:\`, ``, "", true, false},
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{`c:\:d:\:foo`, "local", mount.TypeBind, `d:\`, `c:\`, ``, "", false, true},
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{`name:d::rw`, "local", mount.TypeVolume, `d:`, ``, `name`, "local", true, false},
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{`name:d:`, "local", mount.TypeVolume, `d:`, ``, `name`, "local", true, false},
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{`name:d::ro`, "local", mount.TypeVolume, `d:`, ``, `name`, "local", false, false},
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{`name:c:`, "", mount.TypeVolume, ``, ``, ``, "", true, true},
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{`driver/name:c:`, "", mount.TypeVolume, ``, ``, ``, "", true, true},
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{`\\.\pipe\foo:\\.\pipe\bar`, "local", mount.TypeNamedPipe, `\\.\pipe\bar`, `\\.\pipe\foo`, "", "", true, false},
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{`\\.\pipe\foo:c:\foo\bar`, "local", mount.TypeNamedPipe, ``, ``, "", "", true, true},
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{`c:\foo\bar:\\.\pipe\foo`, "local", mount.TypeNamedPipe, ``, ``, "", "", true, true},
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}
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parser := NewWindowsParser()
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if p, ok := parser.(*windowsParser); ok {
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p.fi = mockFiProvider{}
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}
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for i, c := range cases {
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c := c
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t.Run(fmt.Sprintf("%d_%s", i, c.bind), func(t *testing.T) {
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m, err := parser.ParseMountRaw(c.bind, c.driver)
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if c.fail {
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assert.ErrorContains(t, err, "", "expected an error")
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return
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}
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assert.NilError(t, err)
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assert.Equal(t, m.Destination, c.expDest)
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assert.Equal(t, m.Source, c.expSource)
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assert.Equal(t, m.Name, c.expName)
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assert.Equal(t, m.Driver, c.expDriver)
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assert.Equal(t, m.RW, c.expRW)
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assert.Equal(t, m.Type, c.expType)
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})
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}
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}
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// TestWindowsParseMountSpecBindWithFileinfoError makes sure that the parser returns
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// the error produced by the fileinfo provider.
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//
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// Some extra context for the future in case of changes and possible wtf are we
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// testing this for:
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//
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// Currently this "fileInfoProvider" returns (bool, bool, error)
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// The 1st bool is "does this path exist"
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// The 2nd bool is "is this path a dir"
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// Then of course the error is an error.
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//
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// The issue is the parser was ignoring the error and only looking at the
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// "does this path exist" boolean, which is always false if there is an error.
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// Then the error returned to the caller was a (slightly, maybe) friendlier
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// error string than what comes from `os.Stat`
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// So ...the caller was always getting an error saying the path doesn't exist
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// even if it does exist but got some other error (like a permission error).
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// This is confusing to users.
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func TestWindowsParseMountSpecBindWithFileinfoError(t *testing.T) {
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parser := NewWindowsParser()
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testErr := fmt.Errorf("some crazy error")
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if pr, ok := parser.(*windowsParser); ok {
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pr.fi = &mockFiProviderWithError{err: testErr}
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}
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_, err := parser.ParseMountSpec(mount.Mount{
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Type: mount.TypeBind,
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Source: `c:\bananas`,
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Target: `c:\bananas`,
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})
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assert.ErrorContains(t, err, testErr.Error())
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}
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