File: test_json_encoder_async.py

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# --------------------------------------------------------------------------
#
# Copyright (c) Microsoft Corporation. All rights reserved.
#
# The MIT License (MIT)
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the ""Software""), to
# deal in the Software without restriction, including without limitation the
# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
# sell copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED *AS IS*, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
# IN THE SOFTWARE.
#
# --------------------------------------------------------------------------
import functools
import pytest
import json
import pytest
import jsonschema
from typing import Mapping, Any

from azure.core.exceptions import ResourceNotFoundError
from azure.schemaregistry import SchemaFormat
from azure.schemaregistry.aio import SchemaRegistryClient
from azure.schemaregistry.encoder.jsonencoder.aio import JsonSchemaEncoder
from azure.schemaregistry.encoder.jsonencoder import InvalidContentError

from devtools_testutils import AzureRecordedTestCase, EnvironmentVariableLoader
from devtools_testutils.aio import recorded_by_proxy_async

SchemaRegistryEnvironmentVariableLoader = functools.partial(
    EnvironmentVariableLoader,
    "schemaregistry",
    schemaregistry_json_fully_qualified_namespace="fake_resource_json.servicebus.windows.net",
    schemaregistry_group="fakegroup",
)

DRAFT2020_12_SCHEMA_JSON = {
    "$id": "https://example.com/person.schema.json",
    "$schema": "https://json-schema.org/draft/2020-12/schema",
    "title": "Person",
    "type": "object",
    "properties": {
        "name": {"type": "string", "description": "Person's name."},
        "favorite_color": {"type": "string", "description": "Favorite color."},
        "favorite_number": {
            "description": "Favorite number.",
            "type": "integer",
        },
    },
}
DRAFT2020_12_SCHEMA_STR = json.dumps(DRAFT2020_12_SCHEMA_JSON)
DRAFT2020_12_SCHEMA_IDENTIFIER = "https://json-schema.org/draft/2020-12/schema"

DRAFT07_SCHEMA_JSON = {
    "$id": "https://example.com/personasyncdraft07.schema.json",
    "$schema": "http://json-schema.org/draft-07/schema",
    "title": "PersonAsyncDraft07",
    "type": "object",
    "properties": {
        "name": {"type": "string", "description": "Person's name."},
        "favorite_color": {"type": "string", "description": "Favorite color."},
        "favorite_number": {
            "description": "Favorite number.",
            "type": "integer",
        },
        "org": {"type": "string", "description": "Organization name."},
    },
}
DRAFT07_SCHEMA_STR = json.dumps(DRAFT07_SCHEMA_JSON)
DRAFT07_SCHEMA_IDENTIFIER = "http://json-schema.org/draft-07/schema"
DRAFT06_SCHEMA_IDENTIFIER = "http://json-schema.org/draft-06/schema"
DRAFT04_SCHEMA_IDENTIFIER = "http://json-schema.org/draft-04/schema"
DRAFT03_SCHEMA_IDENTIFIER = "http://json-schema.org/draft-03/schema"
DRAFT2019_09_SCHEMA_IDENTIFIER = "https://json-schema.org/draft/2019-09/schema"


class TestJsonSchemaEncoderAsync(AzureRecordedTestCase):
    def create_client(self, **kwargs):
        fully_qualified_namespace = kwargs.pop("fully_qualified_namespace")
        credential = self.get_credential(SchemaRegistryClient, is_async=True)
        return self.create_client_from_credential(
            SchemaRegistryClient, credential, fully_qualified_namespace=fully_qualified_namespace, is_async=True
        )

    @pytest.mark.asyncio
    @SchemaRegistryEnvironmentVariableLoader()
    @recorded_by_proxy_async
    async def test_sr_json_encoder_encode_decode_w_schema_id(
        self, schemaregistry_json_fully_qualified_namespace, schemaregistry_group, **kwargs
    ):
        sr_client = self.create_client(fully_qualified_namespace=schemaregistry_json_fully_qualified_namespace)
        sr_json_encoder = JsonSchemaEncoder(
            client=sr_client, group_name=schemaregistry_group, validate=DRAFT2020_12_SCHEMA_IDENTIFIER
        )

        # pre-register schema
        schema_properties = await sr_client.register_schema(
            schemaregistry_group, DRAFT2020_12_SCHEMA_JSON["title"], DRAFT2020_12_SCHEMA_STR, SchemaFormat.JSON
        )
        schema_id = schema_properties.id

        # encode + validate w/ schema_id
        dict_content = {"name": "Ben", "favorite_number": 7, "favorite_color": "red"}
        encoded_message_content = await sr_json_encoder.encode(dict_content, schema_id=schema_id)
        content_type = encoded_message_content["content_type"]
        encoded_content = encoded_message_content["content"]
        assert content_type.split("+")[0] == "application/json;serialization=Json"
        assert content_type.split("+")[1] == schema_id

        # passing both schema + schema_id to encode raises error
        with pytest.raises(TypeError):
            encoded_message_content = await sr_json_encoder.encode(
                dict_content, schema_id=schema_id, schema=DRAFT2020_12_SCHEMA_STR
            )

        # decode
        encoded_content_dict = {"content": encoded_content, "content_type": content_type}
        decoded_content = await sr_json_encoder.decode(encoded_content_dict)
        assert decoded_content["name"] == "Ben"
        assert decoded_content["favorite_number"] == 7
        assert decoded_content["favorite_color"] == "red"

        # bad content type when decoding raises error
        mime_type, schema_id = encoded_content_dict["content_type"].split("+")
        encoded_content_dict["content_type"] = "binary/fake+" + schema_id
        with pytest.raises(InvalidContentError) as e:
            decoded_content = await sr_json_encoder.decode(encoded_content_dict)

        encoded_content_dict["content_type"] = "a+b+c"
        with pytest.raises(InvalidContentError) as e:
            decoded_content = await sr_json_encoder.decode(encoded_content_dict)

    @pytest.mark.asyncio
    @SchemaRegistryEnvironmentVariableLoader()
    @recorded_by_proxy_async
    async def test_sr_json_encoder_encode_schema_str(
        self, schemaregistry_json_fully_qualified_namespace, schemaregistry_group, **kwargs
    ):
        sr_client = self.create_client(fully_qualified_namespace=schemaregistry_json_fully_qualified_namespace)
        sr_json_encoder = JsonSchemaEncoder(
            client=sr_client, group_name=schemaregistry_group, validate=DRAFT07_SCHEMA_IDENTIFIER
        )

        # encoding without registering schema raises error
        dict_content = {"name": "Ben", "favorite_number": 7, "favorite_color": "red", "org": "Azure"}
        with pytest.raises(ResourceNotFoundError):
            encoded_message_content = await sr_json_encoder.encode(dict_content, schema=DRAFT07_SCHEMA_STR)

        # pre-register schema
        schema_properties = await sr_client.register_schema(
            schemaregistry_group, DRAFT07_SCHEMA_JSON["title"], DRAFT07_SCHEMA_STR, SchemaFormat.JSON
        )
        schema_id = schema_properties.id

        # encode + validate w/ schema str
        encoded_message_content = await sr_json_encoder.encode(dict_content, schema=DRAFT07_SCHEMA_STR)
        content_type = encoded_message_content["content_type"]
        assert content_type.split("+")[0] == "application/json;serialization=Json"
        assert content_type.split("+")[1] == schema_id

        await sr_client.close()
        await sr_json_encoder.close()

        # use encoder w/o group_name to decode
        extra_sr_client = self.create_client(fully_qualified_namespace=schemaregistry_json_fully_qualified_namespace)
        sr_json_encoder_no_group = JsonSchemaEncoder(client=extra_sr_client, validate=DRAFT07_SCHEMA_IDENTIFIER)
        decoded_content = await sr_json_encoder_no_group.decode(encoded_message_content)
        assert decoded_content["name"] == "Ben"
        assert decoded_content["favorite_number"] == 7
        assert decoded_content["favorite_color"] == "red"
        assert decoded_content["org"] == "Azure"

        # using encoder w/o group_name to encode raises error
        # group_name is used w/ schema to get_schema_id
        with pytest.raises(TypeError):
            encoded_message_content = await sr_json_encoder_no_group.encode(
                dict_content, schema=DRAFT2020_12_SCHEMA_STR
            )

        await sr_json_encoder_no_group.close()
        await extra_sr_client.close()

    @pytest.mark.asyncio
    @SchemaRegistryEnvironmentVariableLoader()
    @recorded_by_proxy_async
    async def test_sr_json_encoder_encode_message_type(
        self, schemaregistry_json_fully_qualified_namespace, schemaregistry_group, **kwargs
    ):
        sr_client = self.create_client(fully_qualified_namespace=schemaregistry_json_fully_qualified_namespace)
        sr_json_encoder = JsonSchemaEncoder(
            client=sr_client, group_name=schemaregistry_group, validate=DRAFT2020_12_SCHEMA_IDENTIFIER
        )

        # pre-register schema
        schema_properties = await sr_client.register_schema(
            schemaregistry_group, DRAFT2020_12_SCHEMA_JSON["title"], DRAFT2020_12_SCHEMA_STR, SchemaFormat.JSON
        )
        schema_id = schema_properties.id
        dict_content = {"name": "Ben", "favorite_number": 7, "favorite_color": "red"}

        # message type that doesn't fit OutboundMessageContent/InboundMessageContent protocol
        class BadExample:
            def __init__(self, not_content):
                self.not_content = not_content

        # encoding invalid message_type raises error
        with pytest.raises(TypeError) as e:
            await sr_json_encoder.encode({"name": "Ben"}, schema_id=schema_id, message_type=BadExample)
        assert "subtype of the OutboundMessageContent" in (str(e.value))

        # decoding invalid message_type raises error
        bad_ex = BadExample("fake")
        with pytest.raises(TypeError) as e:  # caught TypeError
            await sr_json_encoder.decode(message=bad_ex)
        assert "subtype of the InboundMessageContent" in (str(e.value))

        # message type that fits OutboundMessageContent/InboundMessageContent protocol
        class GoodExample:
            def __init__(self, content, **kwargs):
                self.content = content
                self.content_type = None
                self.extra = kwargs.pop("extra", None)

            @classmethod
            def from_message_content(cls, content: bytes, content_type: str, **kwargs):
                ge = cls(content)
                ge.content_type = content_type
                return ge

            def __message_content__(self):
                return {"content": self.content, "content_type": self.content_type}

        # encode/decode valid message_type
        # test that extra kwargs pass through to message_type constructor
        good_ex_obj = await sr_json_encoder.encode(
            dict_content, schema_id=schema_id, message_type=GoodExample, extra="val"
        )
        decoded_content_obj = await sr_json_encoder.decode(message=good_ex_obj)

        assert decoded_content_obj["name"] == "Ben"
        assert decoded_content_obj["favorite_number"] == 7
        assert decoded_content_obj["favorite_color"] == "red"
        await sr_client.close()
        await sr_json_encoder.close()

    @pytest.mark.skip("not allowing schema generation callable for now")
    @pytest.mark.asyncio
    @SchemaRegistryEnvironmentVariableLoader()
    @recorded_by_proxy_async
    async def test_sr_json_encoder_encode_decode_with_generate_schema_callable(
        self, schemaregistry_json_fully_qualified_namespace, schemaregistry_group, **kwargs
    ):
        sr_client = self.create_client(fully_qualified_namespace=schemaregistry_json_fully_qualified_namespace)
        sr_json_encoder = JsonSchemaEncoder(
            client=sr_client, group_name=schemaregistry_group, validate=DRAFT2020_12_SCHEMA_IDENTIFIER
        )

        from genson import SchemaBuilder

        def generate_schema(content: Mapping[str, Any]) -> Mapping[str, Any]:
            builder = SchemaBuilder()
            try:
                builder.add_object(content)
                schema = builder.to_schema()
                schema["title"] = "Example.PersonTitle"
                return schema
            except:
                raise ValueError("schema cannot be generated")

        # pre-register schema generated by callable
        dict_content = {"name": "Ben", "favorite_number": 7, "favorite_color": "red"}
        schema = generate_schema(dict_content)
        schema_properties = await sr_client.register_schema(
            schemaregistry_group, schema["title"], json.dumps(schema), SchemaFormat.JSON
        )
        schema_id = schema_properties.id

        # encode w/ callable + override default schema
        encoded_message_content = await sr_json_encoder.encode(dict_content, schema=generate_schema)
        content_type = encoded_message_content["content_type"]
        encoded_content = encoded_message_content["content"]
        assert content_type.split("+")[0] == "application/json;serialization=Json"
        assert content_type.split("+")[1] == schema_id

        # decode
        encoded_content_dict = {"content": encoded_content, "content_type": content_type}
        decoded_content = await sr_json_encoder.decode(encoded_content_dict)
        assert decoded_content["name"] == "Ben"
        assert decoded_content["favorite_number"] == 7
        assert decoded_content["favorite_color"] == "red"

        # invalid content for generating schema
        def invalid_content():
            pass

        with pytest.raises(InvalidContentError):
            encoded_message_content = await sr_json_encoder.encode(invalid_content, schema=generate_schema)
        await sr_json_encoder.close()

    @pytest.mark.asyncio
    @SchemaRegistryEnvironmentVariableLoader()
    @recorded_by_proxy_async
    async def test_sr_json_encoder_validate(
        self, schemaregistry_json_fully_qualified_namespace, schemaregistry_group, **kwargs
    ):
        sr_client = self.create_client(fully_qualified_namespace=schemaregistry_json_fully_qualified_namespace)

        # pre-register schema
        schema_properties = await sr_client.register_schema(
            schemaregistry_group, DRAFT2020_12_SCHEMA_JSON["title"], DRAFT2020_12_SCHEMA_STR, SchemaFormat.JSON
        )
        schema_id = schema_properties.id

        # not passing in validate raises error
        with pytest.raises(TypeError):
            sr_json_encoder = JsonSchemaEncoder(client=sr_client, group_name=schemaregistry_group)

        # invalid draft identifier raises error
        with pytest.raises(ValueError) as exc:
            sr_json_encoder = JsonSchemaEncoder(
                client=sr_client, group_name=schemaregistry_group, validate="http://json-schema.org/draft-01/schema"
            )
        assert "not a supported" in str(exc.value)

        # Draft 3/4 do not accept float for integer type
        dict_content = {"name": "Ben", "favorite_number": 1.0, "favorite_color": "red"}
        sr_json_encoder_d3 = JsonSchemaEncoder(
            client=sr_client, group_name=schemaregistry_group, validate=DRAFT03_SCHEMA_IDENTIFIER
        )
        with pytest.raises(InvalidContentError) as exc:
            await sr_json_encoder_d3.encode(dict_content, schema=DRAFT2020_12_SCHEMA_STR)
        assert isinstance(exc.value.__cause__, jsonschema.exceptions.ValidationError)
        assert exc.value.__cause__.message == "1.0 is not of type 'integer'"
        sr_json_encoder_d4 = JsonSchemaEncoder(
            client=sr_client, group_name=schemaregistry_group, validate=DRAFT04_SCHEMA_IDENTIFIER
        )
        with pytest.raises(InvalidContentError) as exc:
            await sr_json_encoder_d4.encode(dict_content, schema_id=schema_id)
        assert isinstance(exc.value.__cause__, jsonschema.exceptions.ValidationError)
        assert exc.value.__cause__.message == "1.0 is not of type 'integer'"

        # Draft 6+ does accept float for integer type + test passing str value
        sr_json_encoder_d6 = JsonSchemaEncoder(
            client=sr_client, group_name=schemaregistry_group, validate=DRAFT06_SCHEMA_IDENTIFIER
        )
        encoded_message_content = await sr_json_encoder_d6.encode(dict_content, schema=DRAFT2020_12_SCHEMA_STR)
        content_type = encoded_message_content["content_type"]
        assert content_type.split("+")[0] == "application/json;serialization=Json"

        assert content_type.split("+")[1] == schema_id
        sr_json_encoder_d19 = JsonSchemaEncoder(
            client=sr_client, group_name=schemaregistry_group, validate=DRAFT2019_09_SCHEMA_IDENTIFIER
        )
        encoded_message_content = await sr_json_encoder_d19.encode(dict_content, schema_id=schema_id)

        # decode w/ Draft 3/4 validation raises error
        with pytest.raises(InvalidContentError) as exc:
            await sr_json_encoder_d3.decode(encoded_message_content)
        assert isinstance(exc.value.__cause__, jsonschema.exceptions.ValidationError)
        assert exc.value.__cause__.message == "1.0 is not of type 'integer'"
        with pytest.raises(InvalidContentError) as exc:
            await sr_json_encoder_d4.decode(encoded_message_content)
        assert isinstance(exc.value.__cause__, jsonschema.exceptions.ValidationError)
        assert exc.value.__cause__.message == "1.0 is not of type 'integer'"

        # decode w/ Draft 6+ validation passes
        decoded_content = await sr_json_encoder_d6.decode(encoded_message_content)
        assert decoded_content["name"] == "Ben"
        assert decoded_content["favorite_number"] == 1.0
        assert decoded_content["favorite_color"] == "red"
        decoded_content = await sr_json_encoder_d19.decode(encoded_message_content)
        assert decoded_content["name"] == "Ben"
        assert decoded_content["favorite_number"] == 1.0
        assert decoded_content["favorite_color"] == "red"

        # wrong data type, check with draft 7 validator
        sr_json_encoder_d7 = JsonSchemaEncoder(
            client=sr_client, group_name=schemaregistry_group, validate=DRAFT07_SCHEMA_IDENTIFIER
        )
        dict_content_bad = {"name": "Ben", "favorite_number": 7, "favorite_color": 7}
        with pytest.raises(InvalidContentError) as e:
            encoded_message_content = await sr_json_encoder_d7.encode(dict_content_bad, schema=DRAFT2020_12_SCHEMA_STR)
        assert "schema_id" in e.value.details

        # "turn off" validation w/ callable, wrong data type isn't detected
        def callable_validate(content: Mapping[str, Any], schema: Mapping[str, Any]) -> None:
            pass

        sr_json_encoder_no_validate = JsonSchemaEncoder(
            client=sr_client, group_name=schemaregistry_group, validate=callable_validate
        )
        dict_content_bad = {"name": "Ben", "favorite_number": 7, "favorite_color": 7}
        encoded_message_content = await sr_json_encoder_no_validate.encode(
            dict_content_bad, schema=DRAFT2020_12_SCHEMA_STR
        )
        await sr_json_encoder_d3.close()
        await sr_json_encoder_d4.close()
        await sr_json_encoder_d6.close()
        await sr_json_encoder_d7.close()
        await sr_json_encoder_d19.close()
        await sr_json_encoder_no_validate.close()