chore(tests): add tests for httpx client instantiation & proxies

Author: stainless-app[bot]

tests/test_client.py

@@ -27,7 +27,14 @@
 from lithic._models import BaseModel, FinalRequestOptions
 from lithic._constants import RAW_RESPONSE_HEADER
 from lithic._exceptions import LithicError, APIStatusError, APITimeoutError, APIResponseValidationError
-from lithic._base_client import DEFAULT_TIMEOUT, HTTPX_DEFAULT_TIMEOUT, BaseClient, make_request_options
+from lithic._base_client import (
+    DEFAULT_TIMEOUT,
+    HTTPX_DEFAULT_TIMEOUT,
+    BaseClient,
+    DefaultHttpxClient,
+    DefaultAsyncHttpxClient,
+    make_request_options,
+)
 from lithic.types.card_create_params import CardCreateParams
 
 from .utils import update_env
@@ -846,6 +853,28 @@ def retry_handler(_request: httpx.Request) -> httpx.Response:
             assert response.retries_taken == failures_before_success
             assert int(response.http_request.headers.get("x-stainless-retry-count")) == failures_before_success
 
+    def test_proxy_environment_variables(self, monkeypatch: pytest.MonkeyPatch) -> None:
+        # Test that the proxy environment variables are set correctly
+        monkeypatch.setenv("HTTPS_PROXY", "https://example.org")
+
+        client = DefaultHttpxClient()
+
+        mounts = tuple(client._mounts.items())
+        assert len(mounts) == 1
+        assert mounts[0][0].pattern == "https://"
+
+    @pytest.mark.filterwarnings("ignore:.*deprecated.*:DeprecationWarning")
+    def test_default_client_creation(self) -> None:
+        # Ensure that the client can be initialized without any exceptions
+        DefaultHttpxClient(
+            verify=True,
+            cert=None,
+            trust_env=True,
+            http1=True,
+            http2=False,
+            limits=httpx.Limits(max_connections=100, max_keepalive_connections=20),
+        )
+
     @pytest.mark.respx(base_url=base_url)
     def test_follow_redirects(self, respx_mock: MockRouter) -> None:
         # Test that the default follow_redirects=True allows following redirects
@@ -1735,6 +1764,28 @@ async def test_main() -> None:
 
                 time.sleep(0.1)
 
+    async def test_proxy_environment_variables(self, monkeypatch: pytest.MonkeyPatch) -> None:
+        # Test that the proxy environment variables are set correctly
+        monkeypatch.setenv("HTTPS_PROXY", "https://example.org")
+
+        client = DefaultAsyncHttpxClient()
+
+        mounts = tuple(client._mounts.items())
+        assert len(mounts) == 1
+        assert mounts[0][0].pattern == "https://"
+
+    @pytest.mark.filterwarnings("ignore:.*deprecated.*:DeprecationWarning")
+    async def test_default_client_creation(self) -> None:
+        # Ensure that the client can be initialized without any exceptions
+        DefaultAsyncHttpxClient(
+            verify=True,
+            cert=None,
+            trust_env=True,
+            http1=True,
+            http2=False,
+            limits=httpx.Limits(max_connections=100, max_keepalive_connections=20),
+        )
+
     @pytest.mark.respx(base_url=base_url)
     async def test_follow_redirects(self, respx_mock: MockRouter) -> None:
         # Test that the default follow_redirects=True allows following redirects