package filemode import ( "os" "testing" . "gopkg.in/check.v1" ) func Test(t *testing.T) { TestingT(t) } type ModeSuite struct{} var _ = Suite(&ModeSuite{}) func (s *ModeSuite) TestNew(c *C) { for _, test := range [...]struct { input string expected FileMode }{ // these are the ones used in the packfile codification // of the tree entries {input: "40000", expected: Dir}, {input: "100644", expected: Regular}, {input: "100664", expected: Deprecated}, {input: "100755", expected: Executable}, {input: "120000", expected: Symlink}, {input: "160000", expected: Submodule}, // these are are not used by standard git to codify modes in // packfiles, but they often appear when parsing some git // outputs ("git diff-tree", for instance). {input: "000000", expected: Empty}, {input: "040000", expected: Dir}, // these are valid inputs, but probably means there is a bug // somewhere. {input: "0", expected: Empty}, {input: "42", expected: FileMode(042)}, {input: "00000000000100644", expected: Regular}, } { comment := Commentf("input = %q", test.input) obtained, err := New(test.input) c.Assert(obtained, Equals, test.expected, comment) c.Assert(err, IsNil, comment) } } func (s *ModeSuite) TestNewErrors(c *C) { for _, input := range [...]string{ "0x81a4", // Regular in hex "-rw-r--r--", // Regular in default UNIX representation "", "-42", "9", // this is no octal "09", // looks like octal, but it is not "mode", "-100644", "+100644", } { comment := Commentf("input = %q", input) obtained, err := New(input) c.Assert(obtained, Equals, Empty, comment) c.Assert(err, Not(IsNil), comment) } } // fixtures for testing NewModeFromOSFileMode type fixture struct { input os.FileMode expected FileMode err string // error regexp, empty string for nil error } func (f fixture) test(c *C) { obtained, err := NewFromOSFileMode(f.input) comment := Commentf("input = %s (%07o)", f.input, uint32(f.input)) c.Assert(obtained, Equals, f.expected, comment) if f.err != "" { c.Assert(err, ErrorMatches, f.err, comment) } else { c.Assert(err, IsNil, comment) } } func (s *ModeSuite) TestNewFromOsFileModeSimplePerms(c *C) { for _, f := range [...]fixture{ {os.FileMode(0755) | os.ModeDir, Dir, ""}, // drwxr-xr-x {os.FileMode(0700) | os.ModeDir, Dir, ""}, // drwx------ {os.FileMode(0500) | os.ModeDir, Dir, ""}, // dr-x------ {os.FileMode(0644), Regular, ""}, // -rw-r--r-- {os.FileMode(0660), Regular, ""}, // -rw-rw---- {os.FileMode(0640), Regular, ""}, // -rw-r----- {os.FileMode(0600), Regular, ""}, // -rw------- {os.FileMode(0400), Regular, ""}, // -r-------- {os.FileMode(0000), Regular, ""}, // ---------- {os.FileMode(0755), Executable, ""}, // -rwxr-xr-x {os.FileMode(0700), Executable, ""}, // -rwx------ {os.FileMode(0500), Executable, ""}, // -r-x------ {os.FileMode(0744), Executable, ""}, // -rwxr--r-- {os.FileMode(0540), Executable, ""}, // -r-xr----- {os.FileMode(0550), Executable, ""}, // -r-xr-x--- {os.FileMode(0777) | os.ModeSymlink, Symlink, ""}, // Lrwxrwxrwx } { f.test(c) } } func (s *ModeSuite) TestNewFromOsFileModeAppend(c *C) { // append files are just regular files fixture{ input: os.FileMode(0644) | os.ModeAppend, // arw-r--r-- expected: Regular, err: "", }.test(c) } func (s *ModeSuite) TestNewFromOsFileModeExclusive(c *C) { // exclusive files are just regular or executable files fixture{ input: os.FileMode(0644) | os.ModeExclusive, // lrw-r--r-- expected: Regular, err: "", }.test(c) fixture{ input: os.FileMode(0755) | os.ModeExclusive, // lrwxr-xr-x expected: Executable, err: "", }.test(c) } func (s *ModeSuite) TestNewFromOsFileModeTemporary(c *C) { // temporaty files are ignored fixture{ input: os.FileMode(0644) | os.ModeTemporary, // Trw-r--r-- expected: Empty, err: "no equivalent.*", }.test(c) fixture{ input: os.FileMode(0755) | os.ModeTemporary, // Trwxr-xr-x expected: Empty, err: "no equivalent.*", }.test(c) } func (s *ModeSuite) TestNewFromOsFileModeDevice(c *C) { // device files has no git equivalent fixture{ input: os.FileMode(0644) | os.ModeDevice, // Drw-r--r-- expected: Empty, err: "no equivalent.*", }.test(c) } func (s *ModeSuite) TestNewFromOsFileNamedPipe(c *C) { // named pipes files has not git equivalent fixture{ input: os.FileMode(0644) | os.ModeNamedPipe, // prw-r--r-- expected: Empty, err: "no equivalent.*", }.test(c) } func (s *ModeSuite) TestNewFromOsFileModeSocket(c *C) { // sockets has no git equivalent fixture{ input: os.FileMode(0644) | os.ModeSocket, // Srw-r--r-- expected: Empty, err: "no equivalent.*", }.test(c) } func (s *ModeSuite) TestNewFromOsFileModeSetuid(c *C) { // Setuid are just executables fixture{ input: os.FileMode(0755) | os.ModeSetuid, // urwxr-xr-x expected: Executable, err: "", }.test(c) } func (s *ModeSuite) TestNewFromOsFileModeSetgid(c *C) { // Setguid are regular or executables, depending on the owner perms fixture{ input: os.FileMode(0644) | os.ModeSetgid, // grw-r--r-- expected: Regular, err: "", }.test(c) fixture{ input: os.FileMode(0755) | os.ModeSetgid, // grwxr-xr-x expected: Executable, err: "", }.test(c) } func (s *ModeSuite) TestNewFromOsFileModeCharDevice(c *C) { // char devices has no git equivalent fixture{ input: os.FileMode(0644) | os.ModeCharDevice, // crw-r--r-- expected: Empty, err: "no equivalent.*", }.test(c) } func (s *ModeSuite) TestNewFromOsFileModeSticky(c *C) { // dirs with the sticky bit are just dirs fixture{ input: os.FileMode(0755) | os.ModeDir | os.ModeSticky, // dtrwxr-xr-x expected: Dir, err: "", }.test(c) } func (s *ModeSuite) TestByte(c *C) { for _, test := range [...]struct { input FileMode expected []byte }{ {FileMode(0), []byte{0x00, 0x00, 0x00, 0x00}}, {FileMode(1), []byte{0x01, 0x00, 0x00, 0x00}}, {FileMode(15), []byte{0x0f, 0x00, 0x00, 0x00}}, {FileMode(16), []byte{0x10, 0x00, 0x00, 0x00}}, {FileMode(255), []byte{0xff, 0x00, 0x00, 0x00}}, {FileMode(256), []byte{0x00, 0x01, 0x00, 0x00}}, {Empty, []byte{0x00, 0x00, 0x00, 0x00}}, {Dir, []byte{0x00, 0x40, 0x00, 0x00}}, {Regular, []byte{0xa4, 0x81, 0x00, 0x00}}, {Deprecated, []byte{0xb4, 0x81, 0x00, 0x00}}, {Executable, []byte{0xed, 0x81, 0x00, 0x00}}, {Symlink, []byte{0x00, 0xa0, 0x00, 0x00}}, {Submodule, []byte{0x00, 0xe0, 0x00, 0x00}}, } { c.Assert(test.input.Bytes(), DeepEquals, test.expected, Commentf("input = %s", test.input)) } } func (s *ModeSuite) TestIsMalformed(c *C) { for _, test := range [...]struct { mode FileMode expected bool }{ {Empty, true}, {Dir, false}, {Regular, false}, {Deprecated, false}, {Executable, false}, {Symlink, false}, {Submodule, false}, {FileMode(01), true}, {FileMode(010), true}, {FileMode(0100), true}, {FileMode(01000), true}, {FileMode(010000), true}, {FileMode(0100000), true}, } { c.Assert(test.mode.IsMalformed(), Equals, test.expected) } } func (s *ModeSuite) TestString(c *C) { for _, test := range [...]struct { mode FileMode expected string }{ {Empty, "0000000"}, {Dir, "0040000"}, {Regular, "0100644"}, {Deprecated, "0100664"}, {Executable, "0100755"}, {Symlink, "0120000"}, {Submodule, "0160000"}, {FileMode(01), "0000001"}, {FileMode(010), "0000010"}, {FileMode(0100), "0000100"}, {FileMode(01000), "0001000"}, {FileMode(010000), "0010000"}, {FileMode(0100000), "0100000"}, } { c.Assert(test.mode.String(), Equals, test.expected) } } func (s *ModeSuite) TestIsRegular(c *C) { for _, test := range [...]struct { mode FileMode expected bool }{ {Empty, false}, {Dir, false}, {Regular, true}, {Deprecated, true}, {Executable, false}, {Symlink, false}, {Submodule, false}, {FileMode(01), false}, {FileMode(010), false}, {FileMode(0100), false}, {FileMode(01000), false}, {FileMode(010000), false}, {FileMode(0100000), false}, } { c.Assert(test.mode.IsRegular(), Equals, test.expected) } } func (s *ModeSuite) TestIsFile(c *C) { for _, test := range [...]struct { mode FileMode expected bool }{ {Empty, false}, {Dir, false}, {Regular, true}, {Deprecated, true}, {Executable, true}, {Symlink, true}, {Submodule, false}, {FileMode(01), false}, {FileMode(010), false}, {FileMode(0100), false}, {FileMode(01000), false}, {FileMode(010000), false}, {FileMode(0100000), false}, } { c.Assert(test.mode.IsFile(), Equals, test.expected) } } func (s *ModeSuite) TestToOSFileMode(c *C) { for _, test := range [...]struct { input FileMode expected os.FileMode errRegExp string // empty string for nil error }{ {Empty, os.FileMode(0), "malformed.*"}, {Dir, os.ModePerm | os.ModeDir, ""}, {Regular, os.FileMode(0644), ""}, {Deprecated, os.FileMode(0644), ""}, {Executable, os.FileMode(0755), ""}, {Symlink, os.ModePerm | os.ModeSymlink, ""}, {Submodule, os.ModePerm | os.ModeDir, ""}, {FileMode(01), os.FileMode(0), "malformed.*"}, {FileMode(010), os.FileMode(0), "malformed.*"}, {FileMode(0100), os.FileMode(0), "malformed.*"}, {FileMode(01000), os.FileMode(0), "malformed.*"}, {FileMode(010000), os.FileMode(0), "malformed.*"}, {FileMode(0100000), os.FileMode(0), "malformed.*"}, } { obtained, err := test.input.ToOSFileMode() comment := Commentf("input = %s", test.input) if test.errRegExp != "" { c.Assert(obtained, Equals, os.FileMode(0), comment) c.Assert(err, ErrorMatches, test.errRegExp, comment) } else { c.Assert(obtained, Equals, test.expected, comment) c.Assert(err, IsNil, comment) } } }