from flask_restx.swagger import extract_path, extract_path_params, parse_docstring


class ExtractPathTest(object):
    def test_extract_static_path(self):
        path = "/test"
        assert extract_path(path) == "/test"

    def test_extract_path_with_a_single_simple_parameter(self):
        path = "/test/<parameter>"
        assert extract_path(path) == "/test/{parameter}"

    def test_extract_path_with_a_single_typed_parameter(self):
        path = "/test/<string:parameter>"
        assert extract_path(path) == "/test/{parameter}"

    def test_extract_path_with_a_single_typed_parameter_with_arguments(self):
        path = "/test/<string(length=2):parameter>"
        assert extract_path(path) == "/test/{parameter}"

    def test_extract_path_with_multiple_parameters(self):
        path = "/test/<parameter>/<string:other>/"
        assert extract_path(path) == "/test/{parameter}/{other}/"


class ExtractPathParamsTestCase(object):
    def test_extract_static_path(self):
        path = "/test"
        assert extract_path_params(path) == {}

    def test_extract_single_simple_parameter(self):
        path = "/test/<parameter>"
        assert extract_path_params(path) == {
            "parameter": {
                "name": "parameter",
                "type": "string",
                "in": "path",
                "required": True,
            }
        }

    def test_single_int_parameter(self):
        path = "/test/<int:parameter>"
        assert extract_path_params(path) == {
            "parameter": {
                "name": "parameter",
                "type": "integer",
                "in": "path",
                "required": True,
            }
        }

    def test_single_float_parameter(self):
        path = "/test/<float:parameter>"
        assert extract_path_params(path) == {
            "parameter": {
                "name": "parameter",
                "type": "number",
                "in": "path",
                "required": True,
            }
        }

    def test_extract_path_with_multiple_parameters(self):
        path = "/test/<parameter>/<int:other>/"
        assert extract_path_params(path) == {
            "parameter": {
                "name": "parameter",
                "type": "string",
                "in": "path",
                "required": True,
            },
            "other": {
                "name": "other",
                "type": "integer",
                "in": "path",
                "required": True,
            },
        }

    def test_extract_parameter_with_arguments(self):
        path = "/test/<string(length=2):parameter>"
        assert extract_path_params(path) == {
            "parameter": {
                "name": "parameter",
                "type": "string",
                "in": "path",
                "required": True,
            }
        }

    # def test_extract_registered_converters(self):
    #     class ListConverter(BaseConverter):
    #         def to_python(self, value):
    #             return value.split(',')

    #         def to_url(self, values):
    #             return ','.join(super(ListConverter, self).to_url(value) for value in values)

    #     self.app.url_map.converters['list'] = ListConverter

    #     path = '/test/<list:parameters>'
    #     with self.context():
    #         self.assertEqual(extract_path_params(path), [{
    #             'name': 'parameters',
    #             'type': 'number',
    #             'in': 'path',
    #             'required': True
    #         }])


class ParseDocstringTest(object):
    def test_empty(self):
        def without_doc():
            pass

        parsed = parse_docstring(without_doc)

        assert parsed["raw"] is None
        assert parsed["summary"] is None
        assert parsed["details"] is None
        assert parsed["returns"] is None
        assert parsed["raises"] == {}
        assert parsed["params"] == []

    def test_single_line(self):
        def func():
            """Some summary"""
            pass

        parsed = parse_docstring(func)

        assert parsed["raw"] == "Some summary"
        assert parsed["summary"] == "Some summary"
        assert parsed["details"] is None
        assert parsed["returns"] is None
        assert parsed["raises"] == {}
        assert parsed["params"] == []

    def test_multi_line(self):
        def func():
            """
            Some summary
            Some details
            """
            pass

        parsed = parse_docstring(func)

        assert parsed["raw"] == "Some summary\nSome details"
        assert parsed["summary"] == "Some summary"
        assert parsed["details"] == "Some details"
        assert parsed["returns"] is None
        assert parsed["raises"] == {}
        assert parsed["params"] == []

    def test_multi_line_and_dot(self):
        def func():
            """
            Some summary. bla bla
            Some details
            """
            pass

        parsed = parse_docstring(func)

        assert parsed["raw"] == "Some summary. bla bla\nSome details"
        assert parsed["summary"] == "Some summary"
        assert parsed["details"] == "bla bla\nSome details"
        assert parsed["returns"] is None
        assert parsed["raises"] == {}
        assert parsed["params"] == []

    def test_raises(self):
        def func():
            """
            Some summary.
            :raises SomeException: in case of something
            """
            pass

        parsed = parse_docstring(func)

        assert (
            parsed["raw"]
            == "Some summary.\n:raises SomeException: in case of something"
        )
        assert parsed["summary"] == "Some summary"
        assert parsed["details"] is None
        assert parsed["returns"] is None
        assert parsed["params"] == []
        assert parsed["raises"] == {"SomeException": "in case of something"}