added env var for MySQL, PostgreSQL hosts

Author: dmalan

Diff for: .github/workflows/main.yml

@@ -30,6 +30,9 @@ jobs:
         pip install mysqlclient psycopg2-binary
     - name: Run tests
       run: python tests/sql.py
+      env:
+        MYSQL_HOST: 127.0.0.1
+        POSTGRESQL_HOST: 127.0.0.1
     - name: Install pypa/build
       run: python -m pip install build --user
     - name: Build a binary wheel and a source tarball

Diff for: docker-compose.yml

@@ -6,11 +6,8 @@ services:
       - mysql
       - postgres 
     environment:
-      MYSQL_DATABASE: code50 
       MYSQL_HOST: mysql
-      MYSQL_PASSWORD: crimson
-      MYSQL_USERNAME: root
-      OAUTHLIB_INSECURE_TRANSPORT: 1
+      POSTGRESQL_HOST: postgresql
     links:
       - mysql
       - postgres

Diff for: tests/sql.py

@@ -1,4 +1,5 @@
 import logging
+import os
 import sys
 import unittest
 import warnings
@@ -155,7 +156,7 @@ def tearDownClass(self):
 class MySQLTests(SQLTests):
     @classmethod
     def setUpClass(self):
-        self.db = SQL("mysql://root@mysql/test")
+        self.db = SQL(f"mysql://root@{os.getenv('MYSQL_HOST')}/test")
 
     def setUp(self):
         self.db.execute("CREATE TABLE IF NOT EXISTS cs50 (id INTEGER NOT NULL AUTO_INCREMENT, val VARCHAR(16), bin BLOB, PRIMARY KEY (id))")
@@ -165,7 +166,7 @@ def setUp(self):
 class PostgresTests(SQLTests):
     @classmethod
     def setUpClass(self):
-        self.db = SQL("postgresql://postgres:postgres@postgres/test")
+        self.db = SQL(f"postgresql://postgres:postgres@{os.getenv('POSTGRESQL_HOST')}/test")
 
     def setUp(self):
         self.db.execute("CREATE TABLE IF NOT EXISTS cs50 (id SERIAL PRIMARY KEY, val VARCHAR(16), bin BYTEA)")