SwitchToAndFromTest Sublime Plugin Beta

Default (OSX).sublime-keymap

[
	{ "keys": ["super+g", "super+t"], "command": "switch_to_from_test" }
]

SwitchToAndFromTest.py

import sublime
import sublime_plugin
import os.path


class SwitchToFromTestCommand(sublime_plugin.TextCommand):
    def run(self, edit):
        current_file_name = self.view.file_name()
        if "TEST" in current_file_name:
            self.view.window().open_file(current_file_name.replace("TEST/", ""))
        else:
            test_file_name = os.path.join(
                os.path.dirname(current_file_name),
                "TEST",
                os.path.basename(current_file_name)
            )
            self.view.window().open_file(test_file_name)