Make a real buck file for Apple extension to run tests

.ci/scripts/unittest-macos-buck2.sh

@@ -6,4 +6,4 @@
 # LICENSE file in the root directory of this source tree.
 set -eux
 
-buck2 test //extension/apple:ExecuTorch
+buck2 test //extension/apple:ExecuTorchTests

.ci/scripts/unittest-macos.sh

@@ -35,7 +35,7 @@ if [[ "$BUILD_TOOL" == "cmake" ]]; then
     .ci/scripts/unittest-macos-cmake.sh
 elif [[ "$BUILD_TOOL" == "buck2" ]]; then
     .ci/scripts/unittest-buck2.sh
-    # .ci/scripts/unittest-macos-buck2.sh
+    .ci/scripts/unittest-macos-buck2.sh
 else
     echo "Unknown build tool $BUILD_TOOL"
     exit 1

extension/apple/Info.plist

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+</dict>
+</plist>

extension/apple/TARGETS

@@ -1 +1,64 @@
-# This file needs to exist to avoid build system breakage, see https://fburl.com/workplace/jtdlgdmd
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+# All rights reserved.
+#
+# This source code is licensed under the BSD-style license found in the
+# LICENSE file in the root directory of this source tree.
+
+# This is a custom Buck file to run the Apple extension tests.
+
+apple_library(
+  name = "ExecuTorch",
+  modular = True,
+  srcs = glob([
+    "ExecuTorch/Exported/*.m",
+    "ExecuTorch/Exported/*.mm",
+    "ExecuTorch/Internal/*.m",
+    "ExecuTorch/Internal/*.mm",
+  ]),
+  exported_headers = glob([
+    "ExecuTorch/Exported/*.h",
+  ]),
+  headers = glob([
+    "ExecuTorch/Internal/*.h",
+  ]),
+  include_directories = [
+    "ExecuTorch/Exported",
+    "ExecuTorch/Internal",
+  ],
+  frameworks = [
+    "$SDKROOT/System/Library/Frameworks/Foundation.framework",
+  ],
+  compiler_flags = [
+    "-DET_LOG_ENABLED=1",
+    "-fobjc-arc",
+    "-fno-exceptions",
+    "-fno-rtti",
+  ],
+  deps = [
+    "//xplat/executorch/extension/module:moduleApple",
+    "//xplat/executorch/extension/tensor:tensorApple",
+    "//xplat/executorch/runtime/platform:platformApple",
+  ],
+)
+
+apple_resource(
+  name = "ExecuTorchTestResource",
+  files = glob([
+    "ExecuTorch/__tests__/resources/*.pte",
+  ]),
+)
+
+apple_test(
+  name = "ExecuTorchTests",
+  srcs = glob([
+    "ExecuTorch/__tests__/*.swift",
+  ]),
+  frameworks = [
+    "$SDKROOT/System/Library/Frameworks/XCTest.framework",
+  ],
+  info_plist = "Info.plist",
+  deps = [
+    ":ExecuTorch",
+    ":ExecuTorchTestResource",
+  ],
+)