Revert "Bump pytest from 5.4.3 to 7.0.1" (breaks lots of RLlib tests …

…for unknown reasons) (ray-project#26517)

bazel/python.bzl

@@ -3,7 +3,7 @@ load("@bazel_skylib//lib:paths.bzl", "paths")
 # py_test_module_list creates a py_test target for each
 # Python file in `files`
 
-def py_test_module_list(files, size, deps, extra_srcs=[], name_suffix="", **kwargs):
+def py_test_module_list(files, size, deps, extra_srcs, name_suffix="", **kwargs):
     for file in files:
         # remove .py
         name = paths.split_extension(file)[0] + name_suffix
@@ -14,7 +14,6 @@ def py_test_module_list(files, size, deps, extra_srcs=[], name_suffix="", **kwar
             size = size,
             main = file,
             srcs = extra_srcs + [file],
-            deps = deps,
             **kwargs
         )
 

ci/build/test-wheels.sh

@@ -76,7 +76,7 @@ if [[ "$platform" == "linux" ]]; then
     "$PYTHON_EXE" -u -c "import ray; print(ray.__commit__)" | grep "$TRAVIS_COMMIT" || (echo "ray.__commit__ not set properly!" && exit 1)
 
     # Install the dependencies to run the tests.
-    "$PIP_CMD" install -q aiohttp aiosignal frozenlist grpcio 'pytest==7.0.1' requests proxy.py
+    "$PIP_CMD" install -q aiohttp aiosignal frozenlist grpcio pytest==5.4.3 requests proxy.py
 
     # Run a simple test script to make sure that the wheel works.
     for SCRIPT in "${TEST_SCRIPTS[@]}"; do
@@ -117,7 +117,7 @@ elif [[ "$platform" == "macosx" ]]; then
     "$PIP_CMD" install -q "$PYTHON_WHEEL"
 
     # Install the dependencies to run the tests.
-    "$PIP_CMD" install -q aiohttp aiosignal frozenlist grpcio 'pytest==7.0.1' requests proxy.py
+    "$PIP_CMD" install -q aiohttp aiosignal frozenlist grpcio pytest==5.4.3 requests proxy.py
 
     # Run a simple test script to make sure that the wheel works.
     for SCRIPT in "${TEST_SCRIPTS[@]}"; do

ci/env/install-minimal.sh

@@ -33,11 +33,11 @@ eval "${WORKSPACE_DIR}/ci/ci.sh build"
 
 # Install test requirements
 python -m pip install -U \
-  pytest==7.0.1 \
+  pytest==5.4.3 \
   numpy
 
 # Train requirements.
 # TODO: make this dynamic
 if [ "${TRAIN_MINIMAL_INSTALL-}" = 1 ]; then
     python -m pip install -U "ray[tune]"
-fi
+fi

cpp/BUILD.bazel

@@ -324,5 +324,7 @@ py_test_module_list(
         "small_size_python_tests",
         "team:core",
     ],
-    deps = [],
+    deps = [
+        ":ray_api",
+    ],
 )

dashboard/BUILD

@@ -10,12 +10,6 @@ py_library(
     ),
 )
 
-py_library(
-    name = "conftest",
-    srcs = ["tests/conftest.py"],
-    deps = ["//python/ray/tests:conftest"],
-)
-
 py_test_run_all_subdirectory(
     size = "medium",
     include = ["**/test*.py"],
@@ -26,31 +20,20 @@ py_test_run_all_subdirectory(
         "tests/test_state_head.py"
     ],
     extra_srcs = [],
-    data = [
-        "modules/job/tests/backwards_compatibility_scripts/test_backwards_compatibility.sh",
-        "modules/job/tests/pip_install_test-0.5-py3-none-any.whl",
-        "modules/snapshot/snapshot_schema.json",
-        "modules/tests/test_config_files/basic_runtime_env.yaml",
-    ] + glob([
-        "modules/job/tests/subprocess_driver_scripts/*.py",
-    ]),
-    deps = [":conftest"],
     tags = ["exclusive", "team:serve"],
 )
 
 py_test(
     name = "test_node",
     size = "medium",
     srcs = ["modules/node/tests/test_node.py"],
-    deps = [":conftest"],
     tags = ["exclusive", "team:serve"],
 )
 
 py_test(
     name = "test_dashboard",
     size = "medium",
     srcs = ["tests/test_dashboard.py"],
-    deps = [":conftest"],
     tags = ["exclusive", "team:serve"],
 )
 

python/ray/data/BUILD

@@ -5,18 +5,19 @@
 # --------------------------------------------------------------------
 load("//bazel:python.bzl", "py_test_module_list")
 
-py_library(
-    name = "conftest",
-    srcs = ["tests/conftest.py"],
-    deps = ["//python/ray/tests:conftest"],
-)
+SRCS = [] + select({
+    "@bazel_tools//src/conditions:windows": glob([
+        "**/conftest.py",
+    ]),
+    "//conditions:default": [],
+})
 
 py_test(
     name = "test_preprocessors",
     size = "small",
     srcs = ["tests/test_preprocessors.py"],
     tags = ["team:ml", "exclusive", "ray_air"],
-    deps = ["//:ray_lib", ":conftest"],
+    deps = ["//:ray_lib"],
 )
 
 py_test_module_list(
@@ -25,6 +26,7 @@ py_test_module_list(
     exclude=["tests/test_preprocessors.py"]
   ),
   size = "large",
+  extra_srcs = SRCS,
   tags = ["team:core", "exclusive"],
-  deps = ["//:ray_lib", ":conftest"],
+  deps = ["//:ray_lib"],
 )

python/ray/serve/BUILD

@@ -12,11 +12,6 @@ py_library(
 
 serve_tests_srcs = glob(["tests/**/*.py"])
 
-filegroup(
-    name = "test_config_files",
-    data = glob(["tests/test_config_files/**/*"]),
-)
-
 py_test(
     name = "test_api",
     size = "medium",
@@ -318,7 +313,6 @@ py_test(
     srcs = serve_tests_srcs,
     tags = ["exclusive", "team:serve"],
     deps = [":serve_lib"],
-    data = [":test_config_files"],
 )
 
 py_test(