# Copyright 2014 Amazon.com, Inc. or its affiliates. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"). You
# may not use this file except in compliance with the License. A copy of
# the License is located at
#
# http://aws.amazon.com/apache2.0/
#
# or in the "license" file accompanying this file. This file is
# distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
# ANY KIND, either express or implied. See the License for the specific
# language governing permissions and limitations under the License.
import pytest

import botocore.session
from botocore.utils import ArgumentGenerator


@pytest.fixture(scope="module")
def generator():
    return ArgumentGenerator()


def _all_inputs():
    session = botocore.session.get_session()
    for service_name in session.get_available_services():
        service_model = session.get_service_model(service_name)
        for operation_name in service_model.operation_names:
            operation_model = service_model.operation_model(operation_name)
            input_shape = operation_model.input_shape
            if input_shape is not None and input_shape.members:
                yield input_shape, service_name, operation_name


@pytest.mark.parametrize("input_shape, service_name, operation_name", _all_inputs())
def test_can_generate_all_inputs(generator, input_shape, service_name, operation_name):
    generated = generator.generate_skeleton(input_shape)
    # Do some basic sanity checks to make sure the generated shape
    # looks right.  We're mostly just ensuring that the generate_skeleton
    # doesn't throw an exception.
    assert isinstance(generated, dict)

    # The generated skeleton also shouldn't be empty (the test
    # generator has already filtered out input_shapes of None).
    assert len(generated) > 0