package volume
import (
"io/ioutil"
"os"
"runtime"
"strings"
"testing"
"github.com/docker/docker/api/types/mount"
)
type parseMountRawTestSet struct {
valid []string
invalid map[string]string
}
func TestConvertTmpfsOptions(t *testing.T) {
type testCase struct {
opt mount.TmpfsOptions
readOnly bool
expectedSubstrings []string
unexpectedSubstrings []string
}
cases := []testCase{
{
opt: mount.TmpfsOptions{SizeBytes: 1024 * 1024, Mode: 0700},
readOnly: false,
expectedSubstrings: []string{"size=1m", "mode=700"},
unexpectedSubstrings: []string{"ro"},
},
{
opt: mount.TmpfsOptions{},
readOnly: true,
expectedSubstrings: []string{"ro"},
unexpectedSubstrings: []string{},
},
}
p := &linuxParser{}
for _, c := range cases {
data, err := p.ConvertTmpfsOptions(&c.opt, c.readOnly)
if err != nil {
t.Fatalf("could not convert %+v (readOnly: %v) to string: %v",
c.opt, c.readOnly, err)
}
t.Logf("data=%q", data)
for _, s := range c.expectedSubstrings {
if !strings.Contains(data, s) {
t.Fatalf("expected substring: %s, got %v (case=%+v)", s, data, c)
}
}
for _, s := range c.unexpectedSubstrings {
if strings.Contains(data, s) {
t.Fatalf("unexpected substring: %s, got %v (case=%+v)", s, data, c)
}
}
}
}
type mockFiProvider struct{}
func (mockFiProvider) fileInfo(path string) (exists, isDir bool, err error) {
dirs := map[string]struct{}{
`c:\`: {},
`c:\windows\`: {},
`c:\windows`: {},
`c:\program files`: {},
`c:\Windows`: {},
`c:\Program Files (x86)`: {},
`\\?\c:\windows\`: {},
}
files := map[string]struct{}{
`c:\windows\system32\ntdll.dll`: {},
}
if _, ok := dirs[path]; ok {
return true, true, nil
}
if _, ok := files[path]; ok {
return true, false, nil
}
return false, false, nil
}
func TestParseMountRaw(t *testing.T) {
previousProvider := currentFileInfoProvider
defer func() { currentFileInfoProvider = previousProvider }()
currentFileInfoProvider = mockFiProvider{}
windowsSet := parseMountRawTestSet{
valid: []string{
`d:\`,
`d:`,
`d:\path`,
`d:\path with space`,
`c:\:d:\`,
`c:\windows\:d:`,
`c:\windows:d:\s p a c e`,
`c:\windows:d:\s p a c e:RW`,
`c:\program files:d:\s p a c e i n h o s t d i r`,
`0123456789name:d:`,
`MiXeDcAsEnAmE:d:`,
`name:D:`,
`name:D::rW`,
`name:D::RW`,
`name:D::RO`,
`c:/:d:/forward/slashes/are/good/too`,
`c:/:d:/including with/spaces:ro`,
`c:\Windows`, // With capital
`c:\Program Files (x86)`, // With capitals and brackets
`\\?\c:\windows\:d:`, // Long path handling (source)
`c:\windows\:\\?\d:\`, // Long path handling (target)
`\\.\pipe\foo:\\.\pipe\foo`, // named pipe
`//./pipe/foo://./pipe/foo`, // named pipe forward slashes
},
invalid: map[string]string{
``: "invalid volume specification: ",
`.`: "invalid volume specification: ",
`..\`: "invalid volume specification: ",
`c:\:..\`: "invalid volume specification: ",
`c:\:d:\:xyzzy`: "invalid volume specification: ",
`c:`: "cannot be `c:`",
`c:\`: "cannot be `c:`",
`c:\notexist:d:`: `source path does not exist`,
`c:\windows\system32\ntdll.dll:d:`: `source path must be a directory`,
`name<:d:`: `invalid volume specification`,
`name>:d:`: `invalid volume specification`,
`name::d:`: `invalid volume specification`,
`name":d:`: `invalid volume specification`,
`name\:d:`: `invalid volume specification`,
`name*:d:`: `invalid volume specification`,
`name|:d:`: `invalid volume specification`,
`name?:d:`: `invalid volume specification`,
`name/:d:`: `invalid volume specification`,
`d:\pathandmode:rw`: `invalid volume specification`,
`d:\pathandmode:ro`: `invalid volume specification`,
`con:d:`: `cannot be a reserved word for Windows filenames`,
`PRN:d:`: `cannot be a reserved word for Windows filenames`,
`aUx:d:`: `cannot be a reserved word for Windows filenames`,
`nul:d:`: `cannot be a reserved word for Windows filenames`,
`com1:d:`: `cannot be a reserved word for Windows filenames`,
`com2:d:`: `cannot be a reserved word for Windows filenames`,
`com3:d:`: `cannot be a reserved word for Windows filenames`,
`com4:d:`: `cannot be a reserved word for Windows filenames`,
`com5:d:`: `cannot be a reserved word for Windows filenames`,
`com6:d:`: `cannot be a reserved word for Windows filenames`,
`com7:d:`: `cannot be a reserved word for Windows filenames`,
`com8:d:`: `cannot be a reserved word for Windows filenames`,
`com9:d:`: `cannot be a reserved word for Windows filenames`,
`lpt1:d:`: `cannot be a reserved word for Windows filenames`,
`lpt2:d:`: `cannot be a reserved word for Windows filenames`,
`lpt3:d:`: `cannot be a reserved word for Windows filenames`,
`lpt4:d:`: `cannot be a reserved word for Windows filenames`,
`lpt5:d:`: `cannot be a reserved word for Windows filenames`,
`lpt6:d:`: `cannot be a reserved word for Windows filenames`,
`lpt7:d:`: `cannot be a reserved word for Windows filenames`,
`lpt8:d:`: `cannot be a reserved word for Windows filenames`,
`lpt9:d:`: `cannot be a reserved word for Windows filenames`,
`c:\windows\system32\ntdll.dll`: `Only directories can be mapped on this platform`,
`\\.\pipe\foo:c:\pipe`: `'c:\pipe' is not a valid pipe path`,
},
}
lcowSet := parseMountRawTestSet{
valid: []string{
`/foo`,
`/foo/`,
`/foo bar`,
`c:\:/foo`,
`c:\windows\:/foo`,
`c:\windows:/s p a c e`,
`c:\windows:/s p a c e:RW`,
`c:\program files:/s p a c e i n h o s t d i r`,
`0123456789name:/foo`,
`MiXeDcAsEnAmE:/foo`,
`name:/foo`,
`name:/foo:rW`,
`name:/foo:RW`,
`name:/foo:RO`,
`c:/:/forward/slashes/are/good/too`,
`c:/:/including with/spaces:ro`,
`/Program Files (x86)`, // With capitals and brackets
},
invalid: map[string]string{
``: "invalid volume specification: ",
`.`: "invalid volume specification: ",
`c:`: "invalid volume specification: ",
`c:\`: "invalid volume specification: ",
`../`: "invalid volume specification: ",
`c:\:../`: "invalid volume specification: ",
`c:\:/foo:xyzzy`: "invalid volume specification: ",
`/`: "destination can't be '/'",
`/..`: "destination can't be '/'",
`c:\notexist:/foo`: `source path does not exist`,
`c:\windows\system32\ntdll.dll:/foo`: `source path must be a directory`,
`name<:/foo`: `invalid volume specification`,
`name>:/foo`: `invalid volume specification`,
`name::/foo`: `invalid volume specification`,
`name":/foo`: `invalid volume specification`,
`name\:/foo`: `invalid volume specification`,
`name*:/foo`: `invalid volume specification`,
`name|:/foo`: `invalid volume specification`,
`name?:/foo`: `invalid volume specification`,
`name/:/foo`: `invalid volume specification`,
`/foo:rw`: `invalid volume specification`,
`/foo:ro`: `invalid volume specification`,
`con:/foo`: `cannot be a reserved word for Windows filenames`,
`PRN:/foo`: `cannot be a reserved word for Windows filenames`,
`aUx:/foo`: `cannot be a reserved word for Windows filenames`,
`nul:/foo`: `cannot be a reserved word for Windows filenames`,
`com1:/foo`: `cannot be a reserved word for Windows filenames`,
`com2:/foo`: `cannot be a reserved word for Windows filenames`,
`com3:/foo`: `cannot be a reserved word for Windows filenames`,
`com4:/foo`: `cannot be a reserved word for Windows filenames`,
`com5:/foo`: `cannot be a reserved word for Windows filenames`,
`com6:/foo`: `cannot be a reserved word for Windows filenames`,
`com7:/foo`: `cannot be a reserved word for Windows filenames`,
`com8:/foo`: `cannot be a reserved word for Windows filenames`,
`com9:/foo`: `cannot be a reserved word for Windows filenames`,
`lpt1:/foo`: `cannot be a reserved word for Windows filenames`,
`lpt2:/foo`: `cannot be a reserved word for Windows filenames`,
`lpt3:/foo`: `cannot be a reserved word for Windows filenames`,
`lpt4:/foo`: `cannot be a reserved word for Windows filenames`,
`lpt5:/foo`: `cannot be a reserved word for Windows filenames`,
`lpt6:/foo`: `cannot be a reserved word for Windows filenames`,
`lpt7:/foo`: `cannot be a reserved word for Windows filenames`,
`lpt8:/foo`: `cannot be a reserved word for Windows filenames`,
`lpt9:/foo`: `cannot be a reserved word for Windows filenames`,
`\\.\pipe\foo:/foo`: `Linux containers on Windows do not support named pipe mounts`,
},
}
linuxSet := parseMountRawTestSet{
valid: []string{
"/home",
"/home:/home",
"/home:/something/else",
"/with space",
"/home:/with space",
"relative:/absolute-path",
"hostPath:/containerPath:ro",
"/hostPath:/containerPath:rw",
"/rw:/ro",
"/hostPath:/containerPath:shared",
"/hostPath:/containerPath:rshared",
"/hostPath:/containerPath:slave",
"/hostPath:/containerPath:rslave",
"/hostPath:/containerPath:private",
"/hostPath:/containerPath:rprivate",
"/hostPath:/containerPath:ro,shared",
"/hostPath:/containerPath:ro,slave",
"/hostPath:/containerPath:ro,private",
"/hostPath:/containerPath:ro,z,shared",
"/hostPath:/containerPath:ro,Z,slave",
"/hostPath:/containerPath:Z,ro,slave",
"/hostPath:/containerPath:slave,Z,ro",
"/hostPath:/containerPath:Z,slave,ro",
"/hostPath:/containerPath:slave,ro,Z",
"/hostPath:/containerPath:rslave,ro,Z",
"/hostPath:/containerPath:ro,rshared,Z",
"/hostPath:/containerPath:ro,Z,rprivate",
},
invalid: map[string]string{
"": "invalid volume specification",
"./": "mount path must be absolute",
"../": "mount path must be absolute",
"/:../": "mount path must be absolute",
"/:path": "mount path must be absolute",
":": "invalid volume specification",
"/tmp:": "invalid volume specification",
":test": "invalid volume specification",
":/test": "invalid volume specification",
"tmp:": "invalid volume specification",
":test:": "invalid volume specification",
"::": "invalid volume specification",
":::": "invalid volume specification",
"/tmp:::": "invalid volume specification",
":/tmp::": "invalid volume specification",
"/path:rw": "invalid volume specification",
"/path:ro": "invalid volume specification",
"/rw:rw": "invalid volume specification",
"path:ro": "invalid volume specification",
"/path:/path:sw": `invalid mode`,
"/path:/path:rwz": `invalid mode`,
"/path:/path:ro,rshared,rslave": `invalid mode`,
"/path:/path:ro,z,rshared,rslave": `invalid mode`,
"/path:shared": "invalid volume specification",
"/path:slave": "invalid volume specification",
"/path:private": "invalid volume specification",
"name:/absolute-path:shared": "invalid volume specification",
"name:/absolute-path:rshared": "invalid volume specification",
"name:/absolute-path:slave": "invalid volume specification",
"name:/absolute-path:rslave": "invalid volume specification",
"name:/absolute-path:private": "invalid volume specification",
"name:/absolute-path:rprivate": "invalid volume specification",
},
}
linParser := &linuxParser{}
winParser := &windowsParser{}
lcowParser := &lcowParser{}
tester := func(parser Parser, set parseMountRawTestSet) {
for _, path := range set.valid {
if _, err := parser.ParseMountRaw(path, "local"); err != nil {
t.Errorf("ParseMountRaw(`%q`) should succeed: error %q", path, err)
}
}
for path, expectedError := range set.invalid {
if mp, err := parser.ParseMountRaw(path, "local"); err == nil {
t.Errorf("ParseMountRaw(`%q`) should have failed validation. Err '%v' - MP: %v", path, err, mp)
} else {
if !strings.Contains(err.Error(), expectedError) {
t.Errorf("ParseMountRaw(`%q`) error should contain %q, got %v", path, expectedError, err.Error())
}
}
}
}
tester(linParser, linuxSet)
tester(winParser, windowsSet)
tester(lcowParser, lcowSet)
}
// testParseMountRaw is a structure used by TestParseMountRawSplit for
// specifying test cases for the ParseMountRaw() function.
type testParseMountRaw struct {
bind string
driver string
expType mount.Type
expDest string
expSource string
expName string
expDriver string
expRW bool
fail bool
}
func TestParseMountRawSplit(t *testing.T) {
previousProvider := currentFileInfoProvider
defer func() { currentFileInfoProvider = previousProvider }()
currentFileInfoProvider = mockFiProvider{}
windowsCases := []testParseMountRaw{
{`c:\:d:`, "local", mount.TypeBind, `d:`, `c:\`, ``, "", true, false},
{`c:\:d:\`, "local", mount.TypeBind, `d:\`, `c:\`, ``, "", true, false},
{`c:\:d:\:ro`, "local", mount.TypeBind, `d:\`, `c:\`, ``, "", false, false},
{`c:\:d:\:rw`, "local", mount.TypeBind, `d:\`, `c:\`, ``, "", true, false},
{`c:\:d:\:foo`, "local", mount.TypeBind, `d:\`, `c:\`, ``, "", false, true},
{`name:d::rw`, "local", mount.TypeVolume, `d:`, ``, `name`, "local", true, false},
{`name:d:`, "local", mount.TypeVolume, `d:`, ``, `name`, "local", true, false},
{`name:d::ro`, "local", mount.TypeVolume, `d:`, ``, `name`, "local", false, false},
{`name:c:`, "", mount.TypeVolume, ``, ``, ``, "", true, true},
{`driver/name:c:`, "", mount.TypeVolume, ``, ``, ``, "", true, true},
{`\\.\pipe\foo:\\.\pipe\bar`, "local", mount.TypeNamedPipe, `\\.\pipe\bar`, `\\.\pipe\foo`, "", "", true, false},
{`\\.\pipe\foo:c:\foo\bar`, "local", mount.TypeNamedPipe, ``, ``, "", "", true, true},
{`c:\foo\bar:\\.\pipe\foo`, "local", mount.TypeNamedPipe, ``, ``, "", "", true, true},
}
lcowCases := []testParseMountRaw{
{`c:\:/foo`, "local", mount.TypeBind, `/foo`, `c:\`, ``, "", true, false},
{`c:\:/foo:ro`, "local", mount.TypeBind, `/foo`, `c:\`, ``, "", false, false},
{`c:\:/foo:rw`, "local", mount.TypeBind, `/foo`, `c:\`, ``, "", true, false},
{`c:\:/foo:foo`, "local", mount.TypeBind, `/foo`, `c:\`, ``, "", false, true},
{`name:/foo:rw`, "local", mount.TypeVolume, `/foo`, ``, `name`, "local", true, false},
{`name:/foo`, "local", mount.TypeVolume, `/foo`, ``, `name`, "local", true, false},
{`name:/foo:ro`, "local", mount.TypeVolume, `/foo`, ``, `name`, "local", false, false},
{`name:/`, "", mount.TypeVolume, ``, ``, ``, "", true, true},
{`driver/name:/`, "", mount.TypeVolume, ``, ``, ``, "", true, true},
{`\\.\pipe\foo:\\.\pipe\bar`, "local", mount.TypeNamedPipe, `\\.\pipe\bar`, `\\.\pipe\foo`, "", "", true, true},
{`\\.\pipe\foo:/data`, "local", mount.TypeNamedPipe, ``, ``, "", "", true, true},
{`c:\foo\bar:\\.\pipe\foo`, "local", mount.TypeNamedPipe, ``, ``, "", "", true, true},
}
linuxCases := []testParseMountRaw{
{"/tmp:/tmp1", "", mount.TypeBind, "/tmp1", "/tmp", "", "", true, false},
{"/tmp:/tmp2:ro", "", mount.TypeBind, "/tmp2", "/tmp", "", "", false, false},
{"/tmp:/tmp3:rw", "", mount.TypeBind, "/tmp3", "/tmp", "", "", true, false},
{"/tmp:/tmp4:foo", "", mount.TypeBind, "", "", "", "", false, true},
{"name:/named1", "", mount.TypeVolume, "/named1", "", "name", "", true, false},
{"name:/named2", "external", mount.TypeVolume, "/named2", "", "name", "external", true, false},
{"name:/named3:ro", "local", mount.TypeVolume, "/named3", "", "name", "local", false, false},
{"local/name:/tmp:rw", "", mount.TypeVolume, "/tmp", "", "local/name", "", true, false},
{"/tmp:tmp", "", mount.TypeBind, "", "", "", "", true, true},
}
linParser := &linuxParser{}
winParser := &windowsParser{}
lcowParser := &lcowParser{}
tester := func(parser Parser, cases []testParseMountRaw) {
for i, c := range cases {
t.Logf("case %d", i)
m, err := parser.ParseMountRaw(c.bind, c.driver)
if c.fail {
if err == nil {
t.Errorf("Expected error, was nil, for spec %s\n", c.bind)
}
continue
}
if m == nil || err != nil {
t.Errorf("ParseMountRaw failed for spec '%s', driver '%s', error '%v'", c.bind, c.driver, err.Error())
continue
}
if m.Destination != c.expDest {
t.Errorf("Expected destination '%s, was %s', for spec '%s'", c.expDest, m.Destination, c.bind)
}
if m.Source != c.expSource {
t.Errorf("Expected source '%s', was '%s', for spec '%s'", c.expSource, m.Source, c.bind)
}
if m.Name != c.expName {
t.Errorf("Expected name '%s', was '%s' for spec '%s'", c.expName, m.Name, c.bind)
}
if m.Driver != c.expDriver {
t.Errorf("Expected driver '%s', was '%s', for spec '%s'", c.expDriver, m.Driver, c.bind)
}
if m.RW != c.expRW {
t.Errorf("Expected RW '%v', was '%v' for spec '%s'", c.expRW, m.RW, c.bind)
}
if m.Type != c.expType {
t.Fatalf("Expected type '%s', was '%s', for spec '%s'", c.expType, m.Type, c.bind)
}
}
}
tester(linParser, linuxCases)
tester(winParser, windowsCases)
tester(lcowParser, lcowCases)
}
func TestParseMountSpec(t *testing.T) {
type c struct {
input mount.Mount
expected MountPoint
}
testDir, err := ioutil.TempDir("", "test-mount-config")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(testDir)
parser := NewParser(runtime.GOOS)
cases := []c{
{mount.Mount{Type: mount.TypeBind, Source: testDir, Target: testDestinationPath, ReadOnly: true}, MountPoint{Type: mount.TypeBind, Source: testDir, Destination: testDestinationPath, Propagation: parser.DefaultPropagationMode()}},
{mount.Mount{Type: mount.TypeBind, Source: testDir, Target: testDestinationPath}, MountPoint{Type: mount.TypeBind, Source: testDir, Destination: testDestinationPath, RW: true, Propagation: parser.DefaultPropagationMode()}},
{mount.Mount{Type: mount.TypeBind, Source: testDir + string(os.PathSeparator), Target: testDestinationPath, ReadOnly: true}, MountPoint{Type: mount.TypeBind, Source: testDir, Destination: testDestinationPath, Propagation: parser.DefaultPropagationMode()}},
{mount.Mount{Type: mount.TypeBind, Source: testDir, Target: testDestinationPath + string(os.PathSeparator), ReadOnly: true}, MountPoint{Type: mount.TypeBind, Source: testDir, Destination: testDestinationPath, Propagation: parser.DefaultPropagationMode()}},
{mount.Mount{Type: mount.TypeVolume, Target: testDestinationPath}, MountPoint{Type: mount.TypeVolume, Destination: testDestinationPath, RW: true, CopyData: parser.DefaultCopyMode()}},
{mount.Mount{Type: mount.TypeVolume, Target: testDestinationPath + string(os.PathSeparator)}, MountPoint{Type: mount.TypeVolume, Destination: testDestinationPath, RW: true, CopyData: parser.DefaultCopyMode()}},
}
for i, c := range cases {
t.Logf("case %d", i)
mp, err := parser.ParseMountSpec(c.input)
if err != nil {
t.Error(err)
}
if c.expected.Type != mp.Type {
t.Errorf("Expected mount types to match. Expected: '%s', Actual: '%s'", c.expected.Type, mp.Type)
}
if c.expected.Destination != mp.Destination {
t.Errorf("Expected mount destination to match. Expected: '%s', Actual: '%s'", c.expected.Destination, mp.Destination)
}
if c.expected.Source != mp.Source {
t.Errorf("Expected mount source to match. Expected: '%s', Actual: '%s'", c.expected.Source, mp.Source)
}
if c.expected.RW != mp.RW {
t.Errorf("Expected mount writable to match. Expected: '%v', Actual: '%v'", c.expected.RW, mp.RW)
}
if c.expected.Propagation != mp.Propagation {
t.Errorf("Expected mount propagation to match. Expected: '%v', Actual: '%s'", c.expected.Propagation, mp.Propagation)
}
if c.expected.Driver != mp.Driver {
t.Errorf("Expected mount driver to match. Expected: '%v', Actual: '%s'", c.expected.Driver, mp.Driver)
}
if c.expected.CopyData != mp.CopyData {
t.Errorf("Expected mount copy data to match. Expected: '%v', Actual: '%v'", c.expected.CopyData, mp.CopyData)
}
}
}