feature: add docker compose to run test (#21)

* feature: add docker compose
- to run tests: docker compose up

* feature: add dynamic env POSTGRES_HOST

- add dynamic env POSTGRES_HOST so we can test outside and inside docker
- docker will use postgres, and default to localhost if testing on host machine

* feature: add readme for docker compose

* feature: move docker compose to tests directory

* feature: lint code

Author: icyavocado

README.md

@@ -204,6 +204,13 @@ class SomeSqlAlchemyFilterModel(SqlAlchemyFilterBaseModel):
         super().__init__(field__in=field__in, **kwargs)
 ```
 
+____
+### Docker Compose
+To run tests on your local machine
+```bash
+cd tests
+docker compose up
+```
 ____
 ### Links
 [Github](https://github.com/ViAchKoN/dataclass-sqlalchemy-mixins)

tests/conftest.py

@@ -9,19 +9,19 @@
 from tests.models import BaseModel
 
 
-TEST_DB_URL = (
-    "postgresql://{POSTGRES_CREDENTIALS}localhost/pydantic_sqlalchemy_filters_test"
-)
-
+TEST_DB_URL = "postgresql://{POSTGRES_CREDENTIALS}{POSTGRES_HOST}/pydantic_sqlalchemy_filters_test"
 
 POSTGRES_CREDENTIALS = ""
 POSTGRES_PASSWORD = os.getenv("POSTGRES_PASSWORD", None)
+POSTGRES_HOST = os.getenv("POSTGRES_HOST", "localhost")
 if POSTGRES_PASSWORD:
     POSTGRES_USER = os.getenv("POSTGRES_USER", "postgres")
     POSTGRES_CREDENTIALS = f"{POSTGRES_USER}:{POSTGRES_PASSWORD}@"
 
 
-TEST_DB_URL = TEST_DB_URL.format(POSTGRES_CREDENTIALS=POSTGRES_CREDENTIALS)
+TEST_DB_URL = TEST_DB_URL.format(
+    POSTGRES_CREDENTIALS=POSTGRES_CREDENTIALS, POSTGRES_HOST=POSTGRES_HOST
+)
 
 
 @pytest.fixture(scope="package")

tests/docker-compose.yml

@@ -0,0 +1,26 @@
+version: '3'
+services:
+  python:
+    environment:
+      POSTGRES_PASSWORD: postgres
+      POSTGRES_HOST: postgres
+    image: python:3.8.1
+    stdin_open: true
+    tty: true
+    volumes:
+      - ../:/app
+    depends_on:
+      - postgres
+    command: >
+      bash -c "
+      cd /app &&
+      pip install poetry &&
+      poetry install &&
+      poetry run pytest"
+
+  postgres:
+    image: postgres:latest
+    environment:
+      POSTGRES_PASSWORD: postgres
+    ports:
+      - "5432:5432"