add tests for open file cmd on linux

pkg/commands/oscommands/os_test.go

@@ -103,6 +103,7 @@ func TestOSCommandOpenFile(t *testing.T) {
 
 	for _, s := range scenarios {
 		OSCmd := NewDummyOSCommand()
+		OSCmd.Platform.OS = "darwin"
 		OSCmd.Command = s.command
 		OSCmd.Config.GetUserConfig().OS.OpenCommand = "open {{filename}}"
 
@@ -110,6 +111,80 @@ func TestOSCommandOpenFile(t *testing.T) {
 	}
 }
 
+// TestOSCommandOpenFile tests the OpenFile command on Linux
+func TestOSCommandOpenFileLinux(t *testing.T) {
+	type scenario struct {
+		filename string
+		command  func(string, ...string) *exec.Cmd
+		test     func(error)
+	}
+
+	scenarios := []scenario{
+		{
+			"test",
+			func(name string, arg ...string) *exec.Cmd {
+				return secureexec.Command("exit", "1")
+			},
+			func(err error) {
+				assert.Error(t, err)
+			},
+		},
+		{
+			"test",
+			func(name string, arg ...string) *exec.Cmd {
+				assert.Equal(t, "sh", name)
+				assert.Equal(t, []string{"-c", "xdg-open \"test\" > /dev/null"}, arg)
+				return secureexec.Command("echo")
+			},
+			func(err error) {
+				assert.NoError(t, err)
+			},
+		},
+		{
+			"filename with spaces",
+			func(name string, arg ...string) *exec.Cmd {
+				assert.Equal(t, "sh", name)
+				assert.Equal(t, []string{"-c", "xdg-open \"filename with spaces\" > /dev/null"}, arg)
+				return secureexec.Command("echo")
+			},
+			func(err error) {
+				assert.NoError(t, err)
+			},
+		},
+		{
+			"let's_test_with_single_quote",
+			func(name string, arg ...string) *exec.Cmd {
+				assert.Equal(t, "sh", name)
+				assert.Equal(t, []string{"-c", "xdg-open \"let's_test_with_single_quote\" > /dev/null"}, arg)
+				return secureexec.Command("echo")
+			},
+			func(err error) {
+				assert.NoError(t, err)
+			},
+		},
+		{
+			"$USER.txt",
+			func(name string, arg ...string) *exec.Cmd {
+				assert.Equal(t, "sh", name)
+				assert.Equal(t, []string{"-c", "xdg-open \"\\$USER.txt\" > /dev/null"}, arg)
+				return secureexec.Command("echo")
+			},
+			func(err error) {
+				assert.NoError(t, err)
+			},
+		},
+	}
+
+	for _, s := range scenarios {
+		OSCmd := NewDummyOSCommand()
+		OSCmd.Command = s.command
+		OSCmd.Platform.OS = "linux"
+		OSCmd.Config.GetUserConfig().OS.OpenCommand = `sh -c "xdg-open {{filename}} > /dev/null"`
+
+		s.test(OSCmd.OpenFile(s.filename))
+	}
+}
+
 // TestOSCommandQuote is a function.
 func TestOSCommandQuote(t *testing.T) {
 	osCommand := NewDummyOSCommand()