Merged PR click-contrib#62: click_repl/__init__.py

	Added some test cases:   tests/test_command_collection.py

click_repl/__init__.py

@@ -265,7 +265,12 @@ def get_command():
             continue
 
         try:
-            with group.make_context(None, args, parent=group_ctx) as ctx:
+            # default_map passes the top-level params to the new group to
+            # support top-level required params that would reject the
+            # invocation if missing.
+            with group.make_context(
+                None, args, parent=group_ctx, default_map=old_ctx.params
+            ) as ctx:
                 group.invoke(ctx)
                 ctx.exit()
         except click.ClickException as e:

tests/test_command_collection.py

@@ -1,9 +1,9 @@
 import click
-from click_repl import ClickCompleter
+from click_repl import ClickCompleter, repl
 from prompt_toolkit.document import Document
 
 
-def test_completion():
+def test_command_collection():
     @click.group()
     def foo_group():
         pass
@@ -24,3 +24,26 @@ def foobar_cmd():
     completions = list(c.get_completions(Document("foo")))
 
     assert set(x.text for x in completions) == set(["foo-cmd", "foobar-cmd"])
+
+
+def test_subcommand_invocation():
+    @click.group(invoke_without_command=True)
+    @click.option("--user", required=True)
+    @click.pass_context
+    def cli(ctx, user):
+        if ctx.invoked_subcommand is None:
+            click.echo("Top-level user: {}".format(user))
+            repl(ctx)
+
+    @cli.command()
+    @click.option("--user")
+    def c1(user):
+        click.echo("Executed C1 with {}!".format(user))
+
+    c = ClickCompleter(cli)
+
+    completions = list(c.get_completions(Document(" ")))
+    assert set(x.text for x in completions) == set(["--user", "c1"])
+
+    completions = list(c.get_completions(Document("c1 ")))
+    assert set(x.text for x in completions) == set(["--user"])