WinRM parameter passing fails for larger scripts

CHANGELOG.rst

@@ -7,6 +7,10 @@ in development
 Fixed
 ~~~~~
 
+* Fix issue of WinRM parameter passing fails for larger scripts.#5538
+
+  Contributed by @ashwini-orchestral
+
 * Fix Type error for ``time_diff`` critera comparison. convert the timediff value as float to match
   ``timedelta.total_seconds()`` return. #5462
 

contrib/runners/winrm_runner/tests/unit/test_winrm_base.py

@@ -909,7 +909,7 @@ def test__run_ps_script(self, mock_tmp_script, mock_run_ps):
         mock_tmp_script.assert_called_with(
             "[System.IO.Path]::GetTempPath()", "$PSVersionTable"
         )
-        mock_run_ps.assert_called_with("& {C:\\tmpscript.ps1}")
+        mock_run_ps.assert_called_with("C:\\tmpscript.ps1")
 
     @mock.patch("winrm_runner.winrm_base.WinRmBaseRunner._run_ps")
     @mock.patch("winrm_runner.winrm_base.WinRmBaseRunner._tmp_script")
@@ -923,7 +923,7 @@ def test__run_ps_script_with_params(self, mock_tmp_script, mock_run_ps):
         mock_tmp_script.assert_called_with(
             "[System.IO.Path]::GetTempPath()", "Get-ChildItem"
         )
-        mock_run_ps.assert_called_with("& {C:\\tmpscript.ps1} -param1 value1 arg1")
+        mock_run_ps.assert_called_with("C:\\tmpscript.ps1 -param1 value1 arg1")
 
     @mock.patch("winrm_runner.winrm_base.WinRmBaseRunner._run_ps")
     def test__run_ps_or_raise(self, mock_run_ps):

contrib/runners/winrm_runner/winrm_runner/winrm_base.py

@@ -401,9 +401,9 @@ def _run_ps_script(self, script, params=None):
         # handle deletion of the temporary file on exit of the with block
         with self._tmp_script(tmp_dir, script) as tmp_script:
             # the following wraps the script (from the file) in a script block ( {} )
-            # executes it, passing in the parameters built above
+            # executes it, passing in the parameters built above.
             # https://docs.microsoft.com/en-us/powershell/scripting/core-powershell/console/powershell.exe-command-line-help
-            ps = "& {%s}" % (tmp_script)
+            ps = tmp_script
             if params:
                 ps += " " + params
             return self._run_ps(ps)