Test most of //runtime in unittest buck

Ended up having to skip //runtime/test/..., which means some previous PRs aren't strictly necessary, so don't feel obliged to accept them all.

ghstack-source-id: 6fcb66a
ghstack-comment-id: 2683602764
Pull Request resolved: pytorch/executorch#8713

Author: swolchok

.ci/scripts/unittest-buck2.sh

@@ -14,5 +14,7 @@ buck2 query "//backends/apple/... + //backends/example/... + \
 //runtime/... + //schema/... + //test/... + //util/..."
 
 # TODO: expand the covered scope of Buck targets.
-buck2 build //runtime/core/portable_type/...
-buck2 test //runtime/core/portable_type/...
+# //runtime/kernel/... is failing because //third-party:torchgen_files's shell script can't find python on PATH.
+# //runtime/test/... requires Python torch, which we don't have in our OSS buck setup.
+buck2 build //runtime/backend/... //runtime/core/... //runtime/executor: //runtime/kernel/... //runtime/platform/...
+buck2 test //runtime/backend/... //runtime/core/... //runtime/executor: //runtime/kernel/... //runtime/platform/...

runtime/core/exec_aten/testing_util/test/targets.bzl

@@ -1,4 +1,4 @@
-load("@fbsource//xplat/executorch/build:runtime_wrapper.bzl", "runtime")
+load("@fbsource//xplat/executorch/build:runtime_wrapper.bzl", "get_aten_mode_options", "runtime")
 
 def define_common_targets():
     """Defines targets that should be shared between fbcode and xplat.
@@ -15,19 +15,15 @@ def define_common_targets():
         ],
     )
 
-    runtime.cxx_test(
-        name = "tensor_factory_test",
-        srcs = ["tensor_factory_test.cpp"],
-        deps = [
-            "//executorch/runtime/core/exec_aten/testing_util:tensor_util",
-        ],
-    )
+    for aten_mode in get_aten_mode_options():
+        aten_suffix = "_aten" if aten_mode else ""
+        preprocessor_flags = ["-DUSE_ATEN_LIB"] if aten_mode else []
 
-    runtime.cxx_test(
-        name = "tensor_factory_test_aten",
-        srcs = ["tensor_factory_test.cpp"],
-        preprocessor_flags = ["-DUSE_ATEN_LIB"],
-        deps = [
-            "//executorch/runtime/core/exec_aten/testing_util:tensor_util_aten",
-        ],
-    )
+        runtime.cxx_test(
+            name = "tensor_factory_test" + aten_suffix,
+            srcs = ["tensor_factory_test.cpp"],
+            preprocessor_flags = preprocessor_flags,
+            deps = [
+                "//executorch/runtime/core/exec_aten/testing_util:tensor_util" + aten_suffix,
+            ],
+        )

runtime/core/test/targets.bzl

@@ -93,14 +93,15 @@ def define_common_targets():
         ],
     )
 
-    runtime.cxx_test(
-        name = "tensor_shape_dynamism_test_aten",
-        srcs = ["tensor_shape_dynamism_test_aten.cpp"],
-        deps = [
-            "//executorch/runtime/core/exec_aten:lib_aten",
-            "//executorch/runtime/core/exec_aten/testing_util:tensor_util_aten",
-        ],
-    )
+    if True in get_aten_mode_options():
+        runtime.cxx_test(
+            name = "tensor_shape_dynamism_test_aten",
+            srcs = ["tensor_shape_dynamism_test_aten.cpp"],
+            deps = [
+                "//executorch/runtime/core/exec_aten:lib_aten",
+                "//executorch/runtime/core/exec_aten/testing_util:tensor_util_aten",
+            ],
+        )
 
     for aten_mode in get_aten_mode_options():
         aten_suffix = "_aten" if aten_mode else ""