fix(mssql): use glob to find mssql-tools folder since it moves (testcontainers#685)

fix testcontainers#666

Author: alexanderankin

core/testcontainers/core/container.py

@@ -1,7 +1,7 @@
 import contextlib
 from platform import system
 from socket import socket
-from typing import TYPE_CHECKING, Optional
+from typing import TYPE_CHECKING, Optional, Union
 
 import docker.errors
 from docker import version
@@ -186,7 +186,7 @@ def get_logs(self) -> tuple[bytes, bytes]:
             raise ContainerStartException("Container should be started before getting logs")
         return self._container.logs(stderr=False), self._container.logs(stdout=False)
 
-    def exec(self, command) -> tuple[int, bytes]:
+    def exec(self, command: Union[str, list[str]]) -> tuple[int, bytes]:
         if not self._container:
             raise ContainerStartException("Container should be started before executing a command")
         return self._container.exec_run(command)

modules/mssql/testcontainers/mssql/__init__.py

@@ -52,7 +52,9 @@ def _configure(self) -> None:
 
     @wait_container_is_ready(AssertionError)
     def _connect(self) -> None:
-        status, _ = self.exec(f"/opt/mssql-tools/bin/sqlcmd -U {self.username} -P {self.password} -Q 'SELECT 1'")
+        status, _ = self.exec(
+            ["bash", "-c", '/opt/mssql-tools*/bin/sqlcmd -U "$SQLSERVER_USER" -P "$SA_PASSWORD" -Q \'SELECT 1\' -C']
+        )
         assert status == 0, "Cannot run 'SELECT 1': container is not ready"
 
     def get_connection_url(self) -> str:

modules/mssql/tests/test_mssql.py

@@ -25,13 +25,17 @@ def test_docker_run_azure_sql_edge():
                 assert row[0] == "MSSQLSERVER"
 
 
-# This is a feature in the generic DbContainer class
+def test_microsoft_changes_the_mssql_tools_folder_name():
+    with SqlServerContainer("mcr.microsoft.com/mssql/server:2019-latest") as mssql:
+        engine = sqlalchemy.create_engine(mssql.get_connection_url())
+        with engine.begin() as connection:
+            result = connection.execute(sqlalchemy.text("select @@servicename"))
+            for row in result:
+                assert row[0] == "MSSQLSERVER"
+
+
+# This is a feature in the generic DbContainer class,
 # but it can't be tested on its own
-# so is tested in various database modules:
-# - mysql / mariadb
-# - postgresql
-# - sqlserver
-# - mongodb
 def test_quoted_password():
     user = "SA"
     # spaces seem to cause issues?