How to use Open method of launcher Package

Best Rod code snippet using launcher.Open

launcher_test.go

Source:launcher_test.go Github

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...33func Test(t *testing.T) { TestingT(t) }34type launcherSuite struct {35 testutil.BaseTest36 launcher *userd.Launcher37 mockXdgOpen *testutil.MockCmd38 mockXdgMime *testutil.MockCmd39}40var _ = Suite(&launcherSuite{})41func (s *launcherSuite) SetUpTest(c *C) {42 s.BaseTest.SetUpTest(c)43 s.AddCleanup(release.MockOnClassic(true))44 s.launcher = &userd.Launcher{}45 s.mockXdgOpen = testutil.MockCommand(c, "xdg-open", "")46 s.AddCleanup(s.mockXdgOpen.Restore)47 s.mockXdgMime = testutil.MockCommand(c, "xdg-mime", "")48 s.AddCleanup(s.mockXdgMime.Restore)49 s.AddCleanup(userd.MockSnapFromSender(func(*dbus.Conn, dbus.Sender) (string, error) {50 return "some-snap", nil51 }))52}53func (s *launcherSuite) TestOpenURLWithNotAllowedScheme(c *C) {54 for _, t := range []struct {55 url string56 errMatcher string57 scheme string58 }{59 {"tel://049112233445566", `Supplied URL scheme "tel" is not allowed`, "tel"},60 {"aabbccdd0011", "cannot open URL without a scheme", ""},61 {"invälid:%url", dbus.ErrMsgInvalidArg.Error(), ""},62 } {63 s.mockXdgMime.ForgetCalls()64 err := s.launcher.OpenURL(t.url, ":some-dbus-sender")65 c.Assert(err, ErrorMatches, t.errMatcher)66 c.Assert(s.mockXdgOpen.Calls(), IsNil)67 if t.scheme != "" {68 c.Assert(s.mockXdgMime.Calls(), DeepEquals, [][]string{69 {"xdg-mime", "query", "default", "x-scheme-handler/" + t.scheme},70 })71 } else {72 c.Assert(s.mockXdgMime.Calls(), IsNil)73 }74 }75}76func (s *launcherSuite) TestOpenURLWithAllowedSchemeHappy(c *C) {77 for _, schema := range []string{"http", "https", "mailto", "snap", "help", "apt", "zoommtg", "zoomus", "zoomphonecall", "slack", "msteams"} {78 err := s.launcher.OpenURL(schema+"://snapcraft.io", ":some-dbus-sender")79 c.Assert(err, IsNil)80 c.Assert(s.mockXdgOpen.Calls(), DeepEquals, [][]string{81 {"xdg-open", schema + "://snapcraft.io"},82 })83 s.mockXdgOpen.ForgetCalls()84 }85}86func (s *launcherSuite) testOpenURLWithFallbackHappy(c *C, desktopFileName string) {87 mockXdgMime := testutil.MockCommand(c, "xdg-mime", fmt.Sprintf(`echo "%s"`, desktopFileName))88 defer mockXdgMime.Restore()89 defer s.mockXdgOpen.ForgetCalls()90 err := s.launcher.OpenURL("fallback-scheme://snapcraft.io", ":some-dbus-sender")91 c.Assert(err, IsNil)92 c.Assert(s.mockXdgOpen.Calls(), DeepEquals, [][]string{93 {"xdg-open", "fallback-scheme://snapcraft.io"},94 })95 c.Assert(mockXdgMime.Calls(), DeepEquals, [][]string{96 {"xdg-mime", "query", "default", "x-scheme-handler/fallback-scheme"},97 })98}99func (s *launcherSuite) testOpenURLWithFallbackInvalidDesktopFile(c *C, desktopFileName string) {100 mockXdgMime := testutil.MockCommand(c, "xdg-mime", fmt.Sprintf("echo %s", desktopFileName))101 defer mockXdgMime.Restore()102 err := s.launcher.OpenURL("fallback-scheme://snapcraft.io", ":some-dbus-sender")103 c.Assert(err, ErrorMatches, `Supplied URL scheme "fallback-scheme" is not allowed`)104 c.Assert(s.mockXdgOpen.Calls(), IsNil)105 c.Assert(mockXdgMime.Calls(), DeepEquals, [][]string{106 {"xdg-mime", "query", "default", "x-scheme-handler/fallback-scheme"},107 })108}109func (s *launcherSuite) TestOpenURLWithFallback(c *C) {110 s.testOpenURLWithFallbackHappy(c, "open-this-scheme.desktop")111 s.testOpenURLWithFallbackHappy(c, "open.this.scheme.desktop")112 s.testOpenURLWithFallbackHappy(c, "org._7_zip.Archiver.desktop")113 s.testOpenURLWithFallbackInvalidDesktopFile(c, "1.2.3.4.desktop")114 s.testOpenURLWithFallbackInvalidDesktopFile(c, "1org.foo.bar.desktop")115 s.testOpenURLWithFallbackInvalidDesktopFile(c, "foo bar baz.desktop")116}117func (s *launcherSuite) TestOpenURLWithFailingXdgOpen(c *C) {118 cmd := testutil.MockCommand(c, "xdg-open", "false")119 defer cmd.Restore()120 err := s.launcher.OpenURL("https://snapcraft.io", ":some-dbus-sender")121 c.Assert(err, NotNil)122 c.Assert(err, ErrorMatches, "cannot open supplied URL")123}124func mockUICommands(c *C, script string) (restore func()) {125 mock := testutil.MockCommand(c, "zenity", script)126 mock.Also("kdialog", script)127 return func() {128 mock.Restore()129 }130}131func (s *launcherSuite) TestOpenFileUserAccepts(c *C) {132 restore := mockUICommands(c, "true")133 defer restore()134 path := filepath.Join(c.MkDir(), "test.txt")135 c.Assert(ioutil.WriteFile(path, []byte("Hello world"), 0644), IsNil)136 file, err := os.Open(path)137 c.Assert(err, IsNil)138 defer file.Close()139 dupFd, err := syscall.Dup(int(file.Fd()))140 c.Assert(err, IsNil)141 err = s.launcher.OpenFile("", dbus.UnixFD(dupFd), ":some-dbus-sender")142 c.Assert(err, IsNil)143 c.Assert(s.mockXdgOpen.Calls(), DeepEquals, [][]string{144 {"xdg-open", path},145 })146}147func (s *launcherSuite) TestOpenFileUserDeclines(c *C) {148 restore := mockUICommands(c, "false")149 defer restore()150 path := filepath.Join(c.MkDir(), "test.txt")151 c.Assert(ioutil.WriteFile(path, []byte("Hello world"), 0644), IsNil)152 file, err := os.Open(path)153 c.Assert(err, IsNil)154 defer file.Close()155 dupFd, err := syscall.Dup(int(file.Fd()))156 c.Assert(err, IsNil)157 err = s.launcher.OpenFile("", dbus.UnixFD(dupFd), ":some-dbus-sender")158 c.Assert(err, NotNil)159 c.Assert(err, ErrorMatches, "permission denied")160 c.Assert(s.mockXdgOpen.Calls(), IsNil)161}162func (s *launcherSuite) TestOpenFileSucceedsWithDirectory(c *C) {163 restore := mockUICommands(c, "true")164 defer restore()165 dir := c.MkDir()166 fd, err := syscall.Open(dir, syscall.O_RDONLY|syscall.O_DIRECTORY, 0755)167 c.Assert(err, IsNil)168 defer syscall.Close(fd)169 dupFd, err := syscall.Dup(fd)170 c.Assert(err, IsNil)171 err = s.launcher.OpenFile("", dbus.UnixFD(dupFd), ":some-dbus-sender")172 c.Assert(err, IsNil)173 c.Assert(s.mockXdgOpen.Calls(), DeepEquals, [][]string{174 {"xdg-open", dir},175 })176}177func (s *launcherSuite) TestOpenFileFailsWithDeviceFile(c *C) {178 restore := mockUICommands(c, "true")179 defer restore()180 file, err := os.Open("/dev/null")181 c.Assert(err, IsNil)182 defer file.Close()183 dupFd, err := syscall.Dup(int(file.Fd()))184 c.Assert(err, IsNil)185 err = s.launcher.OpenFile("", dbus.UnixFD(dupFd), ":some-dbus-sender")186 c.Assert(err, NotNil)187 c.Assert(err, ErrorMatches, "cannot open anything other than regular files or directories")188 c.Assert(s.mockXdgOpen.Calls(), IsNil)189}190func (s *launcherSuite) TestOpenFileFailsWithPathDescriptor(c *C) {191 restore := mockUICommands(c, "true")192 defer restore()193 dir := c.MkDir()194 fd, err := syscall.Open(dir, sys.O_PATH, 0755)195 c.Assert(err, IsNil)196 defer syscall.Close(fd)197 dupFd, err := syscall.Dup(fd)198 c.Assert(err, IsNil)199 err = s.launcher.OpenFile("", dbus.UnixFD(dupFd), ":some-dbus-sender")200 c.Assert(err, NotNil)201 c.Assert(err, ErrorMatches, "cannot use file descriptors opened using O_PATH")202 c.Assert(s.mockXdgOpen.Calls(), IsNil)203}204func (s *launcherSuite) TestFailsOnUbuntuCore(c *C) {205 restore := release.MockOnClassic(false)206 defer restore()207 path := filepath.Join(c.MkDir(), "test.txt")208 c.Assert(ioutil.WriteFile(path, []byte("Hello world"), 0644), IsNil)209 file, err := os.Open(path)210 c.Assert(err, IsNil)211 defer file.Close()212 dupFd, err := syscall.Dup(int(file.Fd()))213 c.Assert(err, IsNil)214 err = s.launcher.OpenFile("", dbus.UnixFD(dupFd), ":some-dbus-sender")215 c.Check(err, ErrorMatches, "not supported on Ubuntu Core")216 err = s.launcher.OpenURL("https://snapcraft.io", ":some-dbus-sender")217 c.Check(err, ErrorMatches, "not supported on Ubuntu Core")218 c.Check(s.mockXdgOpen.Calls(), HasLen, 0)219}...

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userd_launcher_test.go

Source:userd_launcher_test.go Github

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...53 s.DBusTest.SetUpTest(c)54 s.openError = nil55 s.calls = nil56}57func (s *userdSuite) TestOpenFile(c *C) {58 launcher := &xdgopenproxy.UserdLauncher{}59 path := filepath.Join(c.MkDir(), "test.txt")60 c.Assert(ioutil.WriteFile(path, []byte("hello world"), 0644), IsNil)61 err := launcher.OpenFile(s.SessionBus, path)62 c.Check(err, IsNil)63 c.Check(s.calls, DeepEquals, []string{64 "OpenFile",65 })66}67func (s *userdSuite) TestOpenFileError(c *C) {68 s.openError = dbus.MakeFailedError(fmt.Errorf("failure"))69 launcher := &xdgopenproxy.UserdLauncher{}70 path := filepath.Join(c.MkDir(), "test.txt")71 c.Assert(ioutil.WriteFile(path, []byte("hello world"), 0644), IsNil)72 err := launcher.OpenFile(s.SessionBus, path)73 c.Check(err, FitsTypeOf, dbus.Error{})74 c.Check(err, ErrorMatches, "failure")75 c.Check(s.calls, DeepEquals, []string{76 "OpenFile",77 })78}79func (s *userdSuite) TestOpenDir(c *C) {80 launcher := &xdgopenproxy.UserdLauncher{}81 dir := c.MkDir()82 err := launcher.OpenFile(s.SessionBus, dir)83 c.Check(err, IsNil)84 c.Check(s.calls, DeepEquals, []string{85 "OpenFile",86 })87}88func (s *userdSuite) TestOpenMissingFile(c *C) {89 launcher := &xdgopenproxy.UserdLauncher{}90 path := filepath.Join(c.MkDir(), "no-such-file.txt")91 err := launcher.OpenFile(s.SessionBus, path)92 c.Check(err, ErrorMatches, "no such file or directory")93 c.Check(s.calls, HasLen, 0)94}95func (s *userdSuite) TestOpenUnreadableFile(c *C) {96 launcher := &xdgopenproxy.UserdLauncher{}97 path := filepath.Join(c.MkDir(), "test.txt")98 c.Assert(ioutil.WriteFile(path, []byte("hello world"), 0644), IsNil)99 c.Assert(os.Chmod(path, 0), IsNil)100 err := launcher.OpenFile(s.SessionBus, path)101 c.Check(err, ErrorMatches, "permission denied")102 c.Check(s.calls, HasLen, 0)103}104func (s *userdSuite) TestOpenURI(c *C) {105 launcher := &xdgopenproxy.UserdLauncher{}106 err := launcher.OpenURI(s.SessionBus, "http://example.com")107 c.Check(err, IsNil)108 c.Check(s.calls, DeepEquals, []string{109 "OpenURI http://example.com",110 })111}112func (s *userdSuite) TestOpenURIError(c *C) {113 s.openError = dbus.MakeFailedError(fmt.Errorf("failure"))114 launcher := &xdgopenproxy.UserdLauncher{}115 err := launcher.OpenURI(s.SessionBus, "http://example.com")116 c.Check(err, FitsTypeOf, dbus.Error{})117 c.Check(err, ErrorMatches, "failure")118 c.Check(s.calls, DeepEquals, []string{119 "OpenURI http://example.com",120 })121}122type fakeUserd struct {123 *userdSuite124}125func (p *fakeUserd) OpenFile(parentWindow string, clientFD dbus.UnixFD) *dbus.Error {126 p.calls = append(p.calls, "OpenFile")127 fd := int(clientFD)128 defer syscall.Close(fd)129 return p.openError130}131func (p *fakeUserd) OpenURL(uri string) *dbus.Error {132 p.calls = append(p.calls, "OpenURI "+uri)133 return p.openError134}...

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xdgopenproxy_test.go

Source:xdgopenproxy_test.go Github

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...23 . "gopkg.in/check.v1"24 "github.com/snapcore/snapd/usersession/xdgopenproxy"25)26func Test(t *testing.T) { TestingT(t) }27type xdgOpenSuite struct{}28var _ = Suite(&xdgOpenSuite{})29func (s *xdgOpenSuite) TestOpenURL(c *C) {30 launcher := &fakeLauncher{}31 c.Check(xdgopenproxy.LaunchWithOne(nil, launcher, "http://example.org"), IsNil)32 c.Check(launcher.calls, DeepEquals, []string{33 "OpenURI http://example.org",34 })35}36func (s *xdgOpenSuite) TestOpenFile(c *C) {37 launcher := &fakeLauncher{}38 c.Check(xdgopenproxy.LaunchWithOne(nil, launcher, "/path/test.txt"), IsNil)39 c.Check(launcher.calls, DeepEquals, []string{40 "OpenFile /path/test.txt",41 })42}43func (s *xdgOpenSuite) TestOpenFileURL(c *C) {44 launcher := &fakeLauncher{}45 c.Check(xdgopenproxy.LaunchWithOne(nil, launcher, "file:///path/test.txt"), IsNil)46 c.Check(launcher.calls, DeepEquals, []string{47 "OpenFile /path/test.txt",48 })49}50func (s *xdgOpenSuite) TestStopOnFirstSuccess(c *C) {51 l1 := &fakeLauncher{err: fmt.Errorf("failure one")}52 l2 := &fakeLauncher{err: nil}53 l3 := &fakeLauncher{err: nil}54 launchers := []xdgopenproxy.DesktopLauncher{l1, l2, l3}55 err := xdgopenproxy.Launch(nil, launchers, "http://example.org")56 c.Check(err, IsNil)57 c.Check(l1.calls, DeepEquals, []string{58 "OpenURI http://example.org",59 })60 c.Check(l2.calls, DeepEquals, []string{61 "OpenURI http://example.org",62 })63 c.Check(l3.calls, HasLen, 0)64}65func (s *xdgOpenSuite) TestStopOnResponseError(c *C) {66 l1 := &fakeLauncher{err: fmt.Errorf("failure one")}67 l2 := &fakeLauncher{err: xdgopenproxy.MakeResponseError("hello")}68 l3 := &fakeLauncher{err: nil}69 launchers := []xdgopenproxy.DesktopLauncher{l1, l2, l3}70 err := xdgopenproxy.Launch(nil, launchers, "http://example.org")71 c.Check(err, Equals, l2.err)72 c.Check(l3.calls, HasLen, 0)73}74type fakeLauncher struct {75 err error76 calls []string77}78func (l *fakeLauncher) OpenFile(bus *dbus.Conn, path string) error {79 l.calls = append(l.calls, "OpenFile "+path)80 return l.err81}82func (l *fakeLauncher) OpenURI(bus *dbus.Conn, uri string) error {83 l.calls = append(l.calls, "OpenURI "+uri)84 return l.err85}...

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Open

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1import (2func main() {3 cmd := exec.Command("notepad.exe", "1.txt")4 err := cmd.Start()5 if err != nil {6 fmt.Println("Error in opening file:", err)7 }8}9import (10func main() {11 cmd := exec.Command("notepad.exe", "1.txt")12 err := cmd.Start()13 if err != nil {14 fmt.Println("Error in opening file:", err)15 }16}17import (18func main() {19 cmd := exec.Command("notepad.exe", "1.txt")20 err := cmd.Start()21 if err != nil {22 fmt.Println("Error in opening file:", err)23 }24 err = cmd.Wait()25 if err != nil {26 fmt.Println("Error in waiting for the command to complete:", err)27 }28}

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Open

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1import (2func main() {3}4import (5func main() {6 exec.Command("rundll32", "url.dll,FileProtocolHandler", "C:\\Users\\pradeep\\Desktop\\test.txt").Start()7}8import (9func main() {10 exec.Command("rundll32", "url.dll,FileProtocolHandler", "/p", "C:\\Users\\pradeep\\Desktop\\test.txt").Start()11}12import (13func main() {14 exec.Command("rundll32", "url.dll,FileProtocolHandler", "/e", "C:\\Users\\pradeep\\Desktop\\test.txt").Start()15}16import (17func main() {18 exec.Command("rundll32", "url.dll,FileProtocolHandler", "/pt", "C:\\Users\\pradeep\\Desktop\\test.txt").Start()19}20import (21func main() {22 exec.Command("rundll32", "url.dll,FileProtocolHandler", "/e,/select,", "C:\\Users\\pradeep\\Desktop\\test.txt").Start()23}

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Open

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1import "fmt"2import "os/exec"3func main(){4 fmt.Println("Launching notepad")5 err := exec.Command("notepad").Start()6 if err != nil {7 fmt.Println(err)8 }9}

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Open

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1import (2func main() {3 launch := launcher.Launcher{Path: "C:\\Program Files (x86)\\Mozilla Firefox\\firefox.exe"}4 launch.Open()5 fmt.Println("Exit")6}

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1import (2func main() {3 f, err := os.Create("test.txt")4 if err != nil {5 fmt.Println(err)6 }7 defer f.Close()8 l, err := f.WriteString("hello world")9 if err != nil {10 fmt.Println(err)11 f.Close()12 }13 fmt.Println(l, "bytes written successfully")14}15import (16func main() {17 f, err := os.OpenFile("test.txt", os.O_APPEND|os.O_WRONLY, 0644)18 if err != nil {19 fmt.Println(err)20 }21 defer f.Close()22 l, err := f.WriteString("hello world")23 if err != nil {24 fmt.Println(err)25 f.Close()26 }27 fmt.Println(l, "bytes written successfully")28}29import (30func main() {31 f, err := os.Create("test.txt")32 if err != nil {33 fmt.Println(err)34 }35 defer f.Close()36 l, err := f.WriteString("hello world")37 if err != nil {38 fmt.Println(err)39 f.Close()40 }41 fmt.Println(l, "bytes written successfully")42 fileInfo, err := f.Stat()43 if err != nil {44 fmt.Println(err)45 }46 fmt.Println("File name: ", fileInfo.Name())47 fmt.Println("Size in bytes: ", fileInfo.Size())48 fmt.Println("Permissions: ", fileInfo.Mode())49 fmt.Println("Last modified: ", fileInfo.ModTime())50 fmt.Println("Is Directory: ", fileInfo.IsDir())51 fmt.Println("System

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