✅ Add httpx2 test dependency to avoid deprecation warning (fastapi#15603)

Author: YuriiMotov

.github/workflows/publish.yml

@@ -29,6 +29,7 @@ jobs:
         uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
         with:
           version: "0.11.4"
+          enable-cache: "false"
       - name: Build distribution
         run: uv build
       - name: Publish

.github/workflows/test.yml

@@ -81,6 +81,11 @@ jobs:
             uv-resolution: highest
             codspeed: codspeed
             deprecated-tests: "no-deprecation"
+          - os: ubuntu-latest
+            python-version: "3.13"
+            uv-resolution: highest
+            deprecated-tests: "no-deprecation"
+            without-httpx2: true
           - os: ubuntu-latest
             python-version: "3.14"
             coverage: coverage
@@ -129,15 +134,19 @@ jobs:
       - name: Install deprecated libraries just for testing
         if: matrix.deprecated-tests == 'test-deprecation'
         run: uv pip install orjson ujson
+      - name: Uninstall httpx2 to run tests with httpx
+        if: matrix.without-httpx2 == 'true'
+        run: uv pip uninstall httpx2
       - name: Reinstall SQLAlchemy without Cython extensions
         if: matrix.python-version == '3.14t' && matrix.os == 'ubuntu-latest'
         run: "DISABLE_SQLALCHEMY_CEXT=1 uv pip install --force-reinstall --no-binary :all: sqlalchemy"
       - run: mkdir coverage
       - name: Test
-        run: uv run --no-sync bash scripts/test-cov.sh
+        run: uv run --no-sync bash scripts/test-cov.sh $PYTEST_OPTIONS
         env:
           COVERAGE_FILE: coverage/.coverage.${{ runner.os }}-py${{ matrix.python-version }}-${{ matrix.deprecated-tests}}
           CONTEXT: ${{ runner.os }}-py${{ matrix.python-version }}-${{ matrix.deprecated-tests}}
+          PYTEST_OPTIONS: ${{ (matrix.without-httpx2 == 'true') && '-W ignore::UserWarning' || '' }}
       # Do not store coverage for all possible combinations to avoid file size max errors in Smokeshow
       - name: Store coverage files
         if: matrix.coverage == 'coverage'

pyproject.toml

@@ -146,6 +146,7 @@ docs = [
 ]
 docs-tests = [
     "httpx >=0.23.0,<1.0.0",
+    "httpx2>=2.0.0",
     "ruff >=0.14.14",
 ]
 github-actions = [

tests/test_tutorial/test_header_param_models/test_tutorial001.py

@@ -1,6 +1,7 @@
 import importlib
 
 import pytest
+from dirty_equals import IsOneOf
 from fastapi.testclient import TestClient
 from inline_snapshot import snapshot
 
@@ -68,7 +69,9 @@ def test_header_param_model_invalid(client: TestClient):
                         "x_tag": [],
                         "host": "testserver",
                         "accept": "*/*",
-                        "accept-encoding": "gzip, deflate",
+                        "accept-encoding": IsOneOf(
+                            "gzip, deflate", "gzip, deflate, zstd"
+                        ),
                         "connection": "keep-alive",
                         "user-agent": "testclient",
                     },

tests/test_tutorial/test_header_param_models/test_tutorial003.py

@@ -1,6 +1,7 @@
 import importlib
 
 import pytest
+from dirty_equals import IsOneOf
 from fastapi.testclient import TestClient
 from inline_snapshot import snapshot
 
@@ -66,7 +67,9 @@ def test_header_param_model_no_underscore(client: TestClient):
                         "traceparent": "123",
                         "x_tag": [],
                         "accept": "*/*",
-                        "accept-encoding": "gzip, deflate",
+                        "accept-encoding": IsOneOf(
+                            "gzip, deflate", "gzip, deflate, zstd"
+                        ),
                         "connection": "keep-alive",
                         "user-agent": "testclient",
                         "save-data": "true",
@@ -105,7 +108,9 @@ def test_header_param_model_invalid(client: TestClient):
                         "x_tag": [],
                         "host": "testserver",
                         "accept": "*/*",
-                        "accept-encoding": "gzip, deflate",
+                        "accept-encoding": IsOneOf(
+                            "gzip, deflate", "gzip, deflate, zstd"
+                        ),
                         "connection": "keep-alive",
                         "user-agent": "testclient",
                     },