1 files changed, 34 insertions, 0 deletions
diff --git a/test/t/unit/test_unit_pids.py b/test/t/unit/test_unit_pids.py
new file mode 100644
index 0000000..3681c8c
--- /dev/null
+++ b/test/t/unit/test_unit_pids.py
@@ -0,0 +1,34 @@
+import os
+
+import pytest
+
+from conftest import assert_bash_exec, bash_env_saved
+
+
+@pytest.mark.bashcomp(cmd=None, ignore_env=r"^\+COMPREPLY=")
+class TestUnitPids:
+    def test_smoke(self, bash):
+        with bash_env_saved(bash) as bash_env:
+            bash_env.write_variable("cur", "")
+            assert_bash_exec(bash, "_comp_compgen_pids >/dev/null")
+
+    def test_non_pollution(self, bash):
+        """Test environment non-pollution, detected at teardown."""
+        assert_bash_exec(
+            bash,
+            "foo() { local cur=; _comp_compgen_pids; }; foo; unset -f foo",
+        )
+
+    def test_ints(self, bash):
+        """Test that we get something sensible, and only int'y strings."""
+        with bash_env_saved(bash) as bash_env:
+            bash_env.write_variable("cur", "")
+            completion = assert_bash_exec(
+                bash,
+                r'_comp_compgen_pids; printf "%s\n" "${COMPREPLY[@]}"',
+                want_output=True,
+            ).split()
+        assert completion
+        if hasattr(os, "getpid"):
+            assert str(os.getpid()) in completion
+        assert all(x.isdigit() for x in completion)