1 files changed, 47 insertions, 0 deletions
diff --git a/test/t/unit/test_unit_compgen_commands.py b/test/t/unit/test_unit_compgen_commands.py
new file mode 100644
index 0000000..d866239
--- /dev/null
+++ b/test/t/unit/test_unit_compgen_commands.py
@@ -0,0 +1,47 @@
+import pytest
+
+from conftest import assert_bash_exec, assert_complete, bash_env_saved
+
+
+@pytest.mark.bashcomp(cmd=None, ignore_env=r"^\+COMPREPLY=")
+class TestUtilCompgenCommands:
+    @pytest.fixture(scope="class")
+    def functions(self, request, bash):
+        assert_bash_exec(
+            bash,
+            r"_comp_compgen_commands__test() {"
+            r"    local COMPREPLY=() cur=${1-};"
+            r"    _comp_compgen_commands;"
+            r'    printf "%s\n" "${COMPREPLY[@]-}";'
+            r"}",
+        )
+        assert_bash_exec(
+            bash,
+            "_comp_cmd_ccc() {"
+            "    local cur;"
+            "    _comp_get_words cur;"
+            "     unset -v COMPREPLY;"
+            "    _comp_compgen_commands;"
+            "}; complete -F _comp_cmd_ccc ccc",
+        )
+
+    def test_basic(self, bash, functions):
+        output = assert_bash_exec(
+            bash, "_comp_compgen_commands__test sh", want_output=True
+        )
+        assert output.strip()
+
+    @pytest.mark.parametrize(
+        "shopt_no_empty,result_empty", ((True, True), (False, False))
+    )
+    def test_empty(self, bash, functions, shopt_no_empty, result_empty):
+        with bash_env_saved(bash) as bash_env:
+            bash_env.shopt("no_empty_cmd_completion", shopt_no_empty)
+            output = assert_bash_exec(
+                bash, "_comp_compgen_commands__test", want_output=True
+            )
+        assert (output.strip() == "") == result_empty
+
+    def test_spaces(self, bash, functions):
+        completion = assert_complete(bash, "ccc shared/default/bar")
+        assert completion == r"\ bar.d/"