correct __name__ in the script launch mode

Author: pomponchik

instld/cli/main.py

@@ -117,7 +117,7 @@ def push(self, line):
 
     else:
         builtins.__import__ = import_wrapper
-        spec = importlib.util.spec_from_file_location('kek', os.path.abspath(python_file))
+        spec = importlib.util.spec_from_file_location('__main__', os.path.abspath(python_file))
         module = importlib.util.module_from_spec(spec)
         sys.modules['__main__'] = module
         if sys.platform.lower() in ('win32',):

tests/cli/test_cli.py

@@ -159,3 +159,22 @@ def test_install_package_from_another_repository_only_command():
 
 
     os.remove(script)
+
+
+def test_run_script_and_check_the___name__():
+    strings = [
+        'print(__name__)',
+    ]
+
+    script = os.path.join('tests', 'cli', 'data', 'main.py')
+    with open(script, 'w') as file:
+        file.write('\n'.join(strings))
+
+    for runner in (subprocess.run,):
+        result = runner(['instld', script], stdout=subprocess.PIPE, stderr=subprocess.PIPE, bufsize=100, universal_newlines=True)
+
+        result.check_returncode()
+
+        assert result.stdout == '__main__\n'
+
+    os.remove(script)