Unhandled exception during autocomplete fix (#109)

* Unhandled exception during autocomplete fix

* fix for click 7, var rename

* returned coverage for pytest

* added one more space before comment

---------

Co-authored-by: Ondrej Pirko <ondrej.pirko@ui.com>

click_repl/_completer.py

@@ -274,7 +274,10 @@ def get_completions(self, document, complete_event=None):
 
  if self.parsed_args != args:
  self.parsed_args = args
- self.parsed_ctx = _resolve_context(args, self.ctx)
+ try:
+ self.parsed_ctx = _resolve_context(args, self.ctx)
+ except Exception:
+ return [] # autocompletion for nonexistent cmd can throw here
  self.ctx_command = self.parsed_ctx.command
 
  if getattr(self.ctx_command, "hidden", False):

tests/test_completion/test_common_tests/test_cmd_completion.py

@@ -0,0 +1,35 @@
+import click
+from unittest import TestCase
+from prompt_toolkit.document import Document
+from click_repl import ClickCompleter
+
+
+@click.group()
+def cli():
+ pass
+
+
+@cli.group()
+def cmd():
+ pass
+
+
+@cmd.command()
+def subcmd():
+ pass
+
+
+class Test_Command_Autocompletion(TestCase):
+ def setUp(self):
+ self.c = ClickCompleter(cli, click.Context(cli))
+
+ def test_valid_subcmd(self):
+ res = list(self.c.get_completions(Document("cmd s")))
+ self.assertListEqual([i.text for i in res], ["subcmd"])
+
+ def test_not_valid_subcmd(self):
+ try:
+ res = list(self.c.get_completions(Document("not cmd")))
+ except Exception as e:
+ self.fail(f"Autocompletion raised exception: {e}")
+ self.assertListEqual(res, [])