Add example of third party API

app/other_api/doodad/__init__.py

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+from .model import Doodad  # noqa
+from .schema import DoodadSchema  # noqa

app/other_api/doodad/controller.py

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+from flask import request
+from flask_accepts import accepts, responds
+from flask_restplus import Namespace, Resource
+from flask.wrappers import Response
+from typing import List
+
+from .schema import DoodadSchema
+from .service import DoodadService
+from .model import Doodad
+from .interface import DoodadInterface
+
+api = Namespace('Doodad', description='A modular namespace within Other API')  # noqa
+
+
+@api.route('/')
+class DoodadResource(Resource):
+    '''Doodads'''
+
+    @responds(schema=DoodadSchema, many=True)
+    def get(self) -> List[Doodad]:
+        '''Get all Doodads'''
+
+        return DoodadService.get_all()
+
+    @accepts(schema=DoodadSchema, api=api)
+    @responds(schema=DoodadSchema)
+    def post(self) -> Doodad:
+        '''Create a Single Doodad'''
+
+        return DoodadService.create(request.parsed_obj)
+
+
+@api.route('/<int:doodadId>')
+@api.param('doodadId', 'Doodad database ID')
+class DoodadIdResource(Resource):
+    @responds(schema=DoodadSchema)
+    def get(self, doodadId: int) -> Doodad:
+        '''Get Single Doodad'''
+
+        return DoodadService.get_by_id(doodadId)
+
+    def delete(self, doodadId: int) -> Response:
+        '''Delete Single Doodad'''
+        from flask import jsonify
+        print('doodadId = ', doodadId)
+        id = DoodadService.delete_by_id(doodadId)
+        return jsonify(dict(status='Success', id=id))
+
+    @accepts(schema=DoodadSchema, api=api)
+    @responds(schema=DoodadSchema)
+    def put(self, doodadId: int) -> Doodad:
+        '''Update Single Doodad'''
+
+        changes: DoodadInterface = request.parsed_obj
+        Doodad = DoodadService.get_by_id(doodadId)
+        return DoodadService.update(Doodad, changes)

app/other_api/doodad/controller_test.py

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+
+from unittest.mock import patch
+from flask.testing import FlaskClient
+
+from app.test.fixtures import client, app  # noqa
+from .service import DoodadService
+from .schema import DoodadSchema
+from .model import Doodad
+from .interface import DoodadInterface
+from .. import BASE_ROUTE
+
+
+def make_doodad(id: int = 123, name: str = 'Test doodad',
+                 purpose: str = 'Test purpose') -> Doodad:
+    return Doodad(
+        doodad_id=id, name=name, purpose=purpose
+    )
+
+
+class TestDoodadResource:
+    @patch.object(DoodadService, 'get_all',
+                  lambda: [make_doodad(123, name='Test Doodad 1'),
+                           make_doodad(456, name='Test Doodad 2')])
+    def test_get(self, client: FlaskClient):  # noqa
+        with client:
+            results = client.get(f'/api/{BASE_ROUTE}/doodad',
+                                 follow_redirects=True).get_json()
+            expected = DoodadSchema(many=True).dump(
+                [make_doodad(123, name='Test Doodad 1'),
+                 make_doodad(456, name='Test Doodad 2')]
+            ).data
+            for r in results:
+                assert r in expected
+
+    @patch.object(DoodadService, 'create',
+                  lambda create_request: Doodad(**create_request))
+    def test_post(self, client: FlaskClient):  # noqa
+        with client:
+
+            payload = dict(name='Test doodad', purpose='Test purpose')
+            result = client.post(f'/api/{BASE_ROUTE}/doodad/', json=payload).get_json()
+            expected = DoodadSchema().dump(Doodad(
+                name=payload['name'],
+                purpose=payload['purpose'],
+            )).data
+            assert result == expected
+
+
+def fake_update(doodad: Doodad, changes: DoodadInterface) -> Doodad:
+    # To fake an update, just return a new object
+    updated_Doodad = Doodad(doodad_id=doodad.doodad_id,
+                              name=changes['name'],
+                              purpose=changes['purpose'])
+    return updated_Doodad
+
+
+class TestDoodadIdResource:
+    @patch.object(DoodadService, 'get_by_id',
+                  lambda id: make_doodad(id=id))
+    def test_get(self, client: FlaskClient):  # noqa
+        with client:
+            result = client.get(f'/api/{BASE_ROUTE}/doodad/123').get_json()
+            expected = Doodad(doodad_id=123)
+            assert result['doodadId'] == expected.doodad_id
+
+    @patch.object(DoodadService, 'delete_by_id',
+                  lambda id: [id])
+    def test_delete(self, client: FlaskClient):  # noqa
+        with client:
+            result = client.delete(f'/api/{BASE_ROUTE}/doodad/123').get_json()
+            expected = dict(status='Success', id=[123])
+            assert result == expected
+
+    @patch.object(DoodadService, 'get_by_id',
+                  lambda id: make_doodad(id=id))
+    @patch.object(DoodadService, 'update', fake_update)
+    def test_put(self, client: FlaskClient):  # noqa
+        with client:
+            result = client.put(f'/api/{BASE_ROUTE}/doodad/123',
+                                json={'name': 'New Doodad',
+                                      'purpose': 'New purpose'}).get_json()
+            expected = DoodadSchema().dump(
+                Doodad(doodad_id=123, name='New Doodad', purpose='New purpose')).data
+            assert result == expected

app/other_api/doodad/interface.py

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+from mypy_extensions import TypedDict
+
+
+class DoodadInterface(TypedDict, total=False):
+    doodad_id: int
+    name: str
+    purpose: str

app/other_api/doodad/model.py

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+from sqlalchemy import Integer, Column, String
+from app import db  # noqa
+from .interface import DoodadInterface
+from typing import Any
+
+
+class Doodad(db.Model):  # type: ignore
+    '''A snazzy Doodad'''
+
+    __tablename__ = 'doodad'
+
+    doodad_id = Column(Integer(), primary_key=True)
+    name = Column(String(255))
+    purpose = Column(String(255))
+
+    def update(self, changes: DoodadInterface):
+        for key, val in changes.items():
+            setattr(self, key, val)
+        return self

app/other_api/doodad/model_test.py

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+from pytest import fixture
+from flask_sqlalchemy import SQLAlchemy
+from app.test.fixtures import app, db  # noqa
+from .model import Doodad
+
+
+@fixture
+def doodad() -> Doodad:
+    return Doodad(
+        doodad_id=1, name='Test doodad', purpose='Test purpose'
+    )
+
+
+def test_Doodad_create(doodad: Doodad):
+    assert doodad
+
+
+def test_Doodad_retrieve(doodad: Doodad, db: SQLAlchemy):  # noqa
+    db.session.add(doodad)
+    db.session.commit()
+    s = Doodad.query.first()
+    assert s.__dict__ == doodad.__dict__

app/other_api/doodad/schema.py

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+from marshmallow import fields, Schema
+
+
+class DoodadSchema(Schema):
+    '''Doodad schema'''
+
+    doodadId = fields.Number(attribute='doodad_id')
+    name = fields.String(attribute='name')
+    purpose = fields.String(attribute='purpose')

app/other_api/doodad/service.py

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+from app import db
+from typing import List
+from .model import Doodad
+from .interface import DoodadInterface
+
+
+class DoodadService():
+    @staticmethod
+    def get_all() -> List[Doodad]:
+        return Doodad.query.all()
+
+    @staticmethod
+    def get_by_id(doodad_id: int) -> Doodad:
+        return Doodad.query.get(doodad_id)
+
+    @staticmethod
+    def update(doodad: Doodad, Doodad_change_updates: DoodadInterface) -> Doodad:
+        doodad.update(Doodad_change_updates)
+        db.session.commit()
+        return doodad
+
+    @staticmethod
+    def delete_by_id(doodad_id: int) -> List[int]:
+        doodad = Doodad.query.filter(Doodad.doodad_id == doodad_id).first()
+        if not doodad:
+            return []
+        db.session.delete(doodad)
+        db.session.commit()
+        return [doodad_id]
+
+    @staticmethod
+    def create(new_attrs: DoodadInterface) -> Doodad:
+        new_doodad = Doodad(
+            name=new_attrs['name'],
+            purpose=new_attrs['purpose']
+        )
+
+        db.session.add(new_doodad)
+        db.session.commit()
+
+        return new_doodad

app/other_api/doodad/service_test.py

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+from flask_sqlalchemy import SQLAlchemy
+from typing import List
+from app.test.fixtures import app, db  # noqa
+from .model import Doodad
+from .service import DoodadService  # noqa
+from .interface import DoodadInterface
+
+
+def test_get_all(db: SQLAlchemy):  # noqa
+    yin: Doodad = Doodad(doodad_id=1, name='Yin', purpose='thing 1')
+    yang: Doodad = Doodad(doodad_id=2, name='Yang', purpose='thing 2')
+    db.session.add(yin)
+    db.session.add(yang)
+    db.session.commit()
+
+    results: List[Doodad] = DoodadService.get_all()
+
+    assert len(results) == 2
+    assert yin in results and yang in results
+
+
+def test_update(db: SQLAlchemy):  # noqa
+    yin: Doodad = Doodad(doodad_id=1, name='Yin', purpose='thing 1')
+
+    db.session.add(yin)
+    db.session.commit()
+    updates: DoodadInterface = dict(name='New Doodad name')
+
+    DoodadService.update(yin, updates)
+
+    result: Doodad = Doodad.query.get(yin.doodad_id)
+    assert result.name == 'New Doodad name'
+
+
+def test_delete_by_id(db: SQLAlchemy):  # noqa
+    yin: Doodad = Doodad(doodad_id=1, name='Yin', purpose='thing 1')
+    yang: Doodad = Doodad(doodad_id=2, name='Yang', purpose='thing 2')
+    db.session.add(yin)
+    db.session.add(yang)
+    db.session.commit()
+
+    DoodadService.delete_by_id(1)
+    db.session.commit()
+
+    results: List[Doodad] = Doodad.query.all()
+
+    assert len(results) == 1
+    assert yin not in results and yang in results
+
+
+def test_create(db: SQLAlchemy):  # noqa
+
+    yin: DoodadInterface = dict(name='Fancy new doodad', purpose='Fancy new purpose')
+    DoodadService.create(yin)
+    results: List[Doodad] = Doodad.query.all()
+
+    assert len(results) == 1
+
+    for k in yin.keys():
+        assert getattr(results[0], k) == yin[k]