clan-lib/hosts: reintroduce test for localhost

pkgs/clan-cli/clan_lib/ssh/localhost_test.py

@@ -0,0 +1,23 @@
+from clan_lib.cmd import RunOpts
+from clan_lib.ssh.localhost import LocalHost
+
+
+def test_localhost() -> None:
+    # Create LocalHost instance
+    localhost = LocalHost(command_prefix="local-test")
+    # Test basic command execution
+    result = localhost.run(["echo", "Hello from LocalHost"])
+    assert result.returncode == 0, f"Command failed with code {result.returncode}"
+    assert result.stdout.strip() == "Hello from LocalHost", (
+        f"Unexpected output: {result.stdout}"
+    )
+    # Test with environment variable
+    result = localhost.run(
+        ["printenv", "TEST_VAR"],
+        opts=RunOpts(check=False),  # Don't check return code
+        extra_env={"TEST_VAR": "LocalHost works!"},
+    )
+    assert result.returncode == 0, f"Command failed with code {result.returncode}"
+    assert result.stdout.strip() == "LocalHost works!", (
+        f"Expected 'LocalHost works!', got '{result.stdout.strip()}'"
+    )