CLI: Fix test_cli_run on Windows

.gitignore

@@ -7,6 +7,7 @@
 .pytest_cache
 .DS_Store
 coverage.xml
+.coverage*
 
 __pycache__
 tests/__pycache__

responder/util/cmd.py

@@ -1,6 +1,7 @@
 # ruff: noqa: S603, S607
 import shutil
 import subprocess
+import sys
 import threading
 from pathlib import Path
 
@@ -12,9 +13,12 @@ class ResponderProgram:
 
     @staticmethod
     def path():
-        program = shutil.which("responder")
+        name = "responder"
+        if sys.platform == "win32":
+            name = "responder.exe"
+        program = shutil.which(name)
         if program is None:
-            raise RuntimeError("Could not find 'responder' executable in PATH")
+            raise RuntimeError(f"Could not find '{name}' executable in PATH")
         return program
 
     @classmethod

tests/test_cli.py

@@ -103,9 +103,8 @@ def test_cli_run(capfd):
     # Invoke `responder run`.
     # Start a Responder service instance in the background, using its CLI.
     # Make it terminate itself after serving one HTTP request.
-    server = ResponderServer(
-        target="examples/helloworld.py", port=random_port(), limit_max_requests=1
-    )
+    target = Path("examples") / "helloworld.py"
+    server = ResponderServer(target=str(target), port=random_port(), limit_max_requests=1)
     try:
         server.start()
         wait_server(server.port)