win_command win_shell: add stdin option (#31619)

test/integration/targets/win_command/tasks/main.yml

@@ -178,3 +178,18 @@
   win_file:
     path: C:\ansible testing
     state: absent
+
+- name: run stdin test
+  win_command: powershell.exe -
+  args:
+    stdin: Write-Host "some input"
+  register: cmdout
+
+- name: assert run stdin test
+  assert:
+    that:
+    - cmdout|changed
+    - cmdout.rc == 0
+    - cmdout.stdout_lines|count == 1
+    - cmdout.stdout_lines[0] == "some input"
+    - cmdout.stderr == ""

test/integration/targets/win_shell/tasks/main.yml

@@ -188,3 +188,17 @@
     - shellout.stdout is search("doneout")
     - shellout.stderr is search("starterror")
     - shellout.stderr is search("doneerror")
+
+- name: run stdin test
+  win_shell: '$string = [Console]::In.ReadToEnd(); Write-Output $string.Trim()'
+  args:
+    stdin: some input
+  register: shellout
+
+- name: assert run stdin test
+  assert:
+    that:
+    - shellout|changed
+    - shellout.rc == 0
+    - shellout.stderr == ""
+    - shellout.stdout == "some input\r\n"