Add test for shellcomplete of different path options

tests/test_shellcomplete.py

@@ -16,14 +16,19 @@ def get_completions(cli, args, incomplete):
     return [c[1] for c in do_complete(cli, cli.name, args, incomplete)]
 
 
-def get_partial_value(cli, args, incomplete):
+def get_partial_value_and_ctx(cli, args, incomplete):
     prog_name = cli.name
     all_args = copy.deepcopy(args)
     ctx = resolve_ctx(cli, prog_name, args)
     if ctx is None:
         return []
 
-    return resolve_partial_value(ctx, all_args, incomplete)[0]
+    return resolve_partial_value(ctx, all_args, incomplete)[0], ctx
+
+
+def get_partial_value(cli, args, incomplete):
+    partial_value, ctx = get_partial_value_and_ctx(cli, args, incomplete)
+    return partial_value
 
 
 def test_partial_value_command():
@@ -84,6 +89,30 @@ def complete(self):
         add_completion_class("myshell", MyComplete)
 
 
+def test_shell_complete_path():
+    @click.command()
+    @click.option("--default", type=click.Path())
+    @click.option("--dir", type=click.Path(file_okay=False))
+    @click.option("--no-dir", type=click.Path(dir_okay=False))
+    def cli(default, dir, no_dir):
+        pass
+
+    args = ["--default"]
+    incomplete = "../"
+    opt, ctx = get_partial_value_and_ctx(cli, args, incomplete)
+    assert opt.shell_complete(ctx, args, incomplete) == [("file", incomplete, None)]
+
+    args = ["--dir"]
+    incomplete = "../"
+    opt, ctx = get_partial_value_and_ctx(cli, args, incomplete)
+    assert opt.shell_complete(ctx, args, incomplete) == [("dir", incomplete, None)]
+
+    args = ["--no-dir"]
+    incomplete = "../"
+    opt, ctx = get_partial_value_and_ctx(cli, args, incomplete)
+    assert opt.shell_complete(ctx, args, incomplete) == [("file", incomplete, None)]
+
+
 def test_single_command():
     @click.command()
     @click.option("--opt")