1 files changed, 86 insertions, 0 deletions
diff --git a/test/rules/android_library_extensibility/custom_android_library.bzl b/test/rules/android_library_extensibility/custom_android_library.bzl
new file mode 100644
index 0000000..a58fd1e
--- /dev/null
+++ b/test/rules/android_library_extensibility/custom_android_library.bzl
@@ -0,0 +1,86 @@
+# Copyright 2023 The Bazel Authors. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Custom android_library for use in test.bzl"""
+
+load(
+    "//rules:attrs.bzl",
+    _attrs = "attrs",
+)
+load(
+    "//rules:java.bzl",
+    _java = "java",
+)
+load(
+    "//rules:processing_pipeline.bzl",
+    _ProviderInfo = "ProviderInfo",
+    _processing_pipeline = "processing_pipeline",
+)
+load(
+    "//rules/android_library:attrs.bzl",
+    _BASE_ATTRS = "ATTRS",
+)
+load(
+    "//rules/android_library:impl.bzl",
+    _BASE_PROCESSORS = "PROCESSORS",
+    _finalize = "finalize",
+)
+load(
+    "//rules/android_library:rule.bzl",
+    _make_rule = "make_rule",
+)
+
+CustomProviderInfo = provider(
+    doc = "Custom provider to provide",
+    fields = dict(
+        key = "Some key to provide",
+    ),
+)
+
+def _process_custom_provider(ctx, **_unused_sub_ctxs):
+    return _ProviderInfo(
+        name = "custom_provider_ctx",
+        value = struct(
+            providers = [
+                CustomProviderInfo(
+                    key = ctx.attr.key,
+                ),
+            ],
+        ),
+    )
+
+PROCESSORS = _processing_pipeline.append(
+    _BASE_PROCESSORS,
+    CustomProviderInfoProcessor = _process_custom_provider,
+)
+
+_PROCESSING_PIPELINE = _processing_pipeline.make_processing_pipeline(
+    processors = PROCESSORS,
+    finalize = _finalize,
+)
+
+def _impl(ctx):
+    java_package = _java.resolve_package_from_label(ctx.label, ctx.attr.custom_package)
+    return _processing_pipeline.run(ctx, java_package, _PROCESSING_PIPELINE)
+
+custom_android_library = _make_rule(
+    implementation = _impl,
+    attrs = _attrs.add(_BASE_ATTRS, dict(
+        # Custom attribute to wrap in a provider
+        key = attr.string(),
+    )),
+    additional_providers = [
+        CustomProviderInfo,
+    ],
+)