dev-java/protobuf-java: add 3.21.9-r2, tests enabled

- backports improvements from 3.21.12.ebuild

- Keep this version matching a version of dev-libs/protobuf until
  dev-libs/protobuf-21.12 hits the tree
  BDEPEND="~dev-libs/protobuf-${PV#3.}:0"

Signed-off-by: Volkmar W. Pogatzki <gentoo@pogatzki.net>
Closes: https://github.com/gentoo/gentoo/pull/28971
Signed-off-by: Florian Schmaus <flow@gentoo.org>

1 files changed, 118 insertions, 0 deletions

diff --git a/dev-java/protobuf-java/protobuf-java-3.21.9-r2.ebuild b/dev-java/protobuf-java/protobuf-java-3.21.9-r2.ebuild
new file mode 100644
index 000000000000..9dc32c355b91
--- /dev/null
+++ b/dev-java/protobuf-java/protobuf-java-3.21.9-r2.ebuild
@@ -0,0 +1,118 @@
+# Copyright 2008-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+JAVA_PKG_IUSE="doc source test"
+MAVEN_ID="com.google.protobuf:protobuf-java:3.21.9"
+JAVA_TESTING_FRAMEWORKS="junit-4"
+
+inherit java-pkg-2 java-pkg-simple
+
+DESCRIPTION="Google's Protocol Buffers - Java bindings"
+HOMEPAGE="https://developers.google.com/protocol-buffers/"
+# Currently we bundle the binary version of truth.jar used only for tests, we don't install it.
+# And we build artifact 3.21.9 from the 21.9 tarball in order to allow sharing the tarball with
+# dev-libs/protobuf.
+SRC_URI="https://github.com/protocolbuffers/protobuf/archive/v${PV#3.}.tar.gz -> protobuf-${PV#3.}.tar.gz
+	test? ( https://repo1.maven.org/maven2/com/google/truth/truth/1.1.3/truth-1.1.3.jar )"
+
+LICENSE="BSD"
+SLOT="0"
+KEYWORDS="~amd64 ~arm ~arm64 ~ppc64 ~x86 ~amd64-linux ~x86-linux ~x64-macos"
+
+DEPEND="
+	>=virtual/jdk-1.8:*
+	test? (
+		dev-java/guava:0
+		dev-java/mockito:4
+		)
+"
+RDEPEND=">=virtual/jre-1.8:*"
+BDEPEND="~dev-libs/protobuf-${PV#3.}:0"
+
+S="${WORKDIR}/protobuf-${PV#3.}/java"
+
+JAVA_AUTOMATIC_MODULE_NAME="com.google.protobuf"
+JAVA_JAR_FILENAME="protobuf.jar"
+JAVA_RESOURCE_DIRS="core/src/main/resources"
+JAVA_SRC_DIR="core/src/main/java"
+
+JAVA_TEST_GENTOO_CLASSPATH="guava,junit-4,mockito-4"
+JAVA_TEST_RESOURCE_DIRS="core/src/test/proto"
+JAVA_TEST_SRC_DIR="core/src/test/java"
+
+src_prepare() {
+	default
+
+	mkdir "${JAVA_RESOURCE_DIRS}" || die
+	# https://github.com/protocolbuffers/protobuf/blob/v21.9/java/core/pom.xml#L43-L62
+	echo $(sed \
+		-n '/google\/protobuf.*\.proto/s:.*<include>\(.*\)</include>:-C ../../../../../src \1:p' \
+		"${S}/core/pom.xml") > "${T}/core_proto" || die "echo to core_proto failed"
+	# Copy them from ../src/google/protobuf to JAVA_RESOURCE_DIRS
+	pushd "${JAVA_RESOURCE_DIRS}" || die
+		jar cv "@${T}/core_proto" | jar xv || die "Copying protos failed"
+	popd || die
+
+	# https://github.com/protocolbuffers/protobuf/blob/v21.9/java/core/generate-sources-build.xml
+	einfo "Replace variables for code generation "
+	sed \
+		-e 's:${generated.sources.dir}:core/src/main/java:' \
+		-e 's:${protobuf.source.dir}:../src:' \
+		-e 's:^.*value="::' -e 's:\"/>::' \
+		-e '/project\|echo\|mkdir\|exec/d' \
+		-i core/generate-sources-build.xml || die "sed to sources failed"
+
+	einfo "Run protoc to generate sources"
+	protoc @core/generate-sources-build.xml || die "protoc sources failed"
+}
+
+src_test() {
+	JAVA_GENTOO_CLASSPATH_EXTRA="${DISTDIR}/truth-1.1.3.jar"
+
+	# https://github.com/protocolbuffers/protobuf/blob/v21.9/java/core/generate-test-sources-build.xml
+	einfo "Replace variables for code generation "
+	sed \
+		-e 's:${generated.testsources.dir}:core/src/test/java:' \
+		-e 's:${protobuf.source.dir}:../src:' \
+		-e 's:${test.proto.dir}:core/src/test/proto:' \
+		-e 's:^.*value="::' -e 's:\"/>::' \
+		-e '/project\|mkdir\|exec\|Also generate/d' \
+		-i core/generate-test-sources-build.xml || die "sed to test sources failed"
+
+	# Remove second exec from the file. Makes trouble here. We run it separately.
+	sed '50,54d' -i core/generate-test-sources-build.xml || die "cannot remove lines"
+
+	einfo "Running protoc first exec"
+	protoc @core/generate-test-sources-build.xml || die "protoc I failed"
+
+	einfo "Running protoc second exec"
+	protoc --java_out=lite:core/src/test/java \
+		--proto_path=../src \
+		--proto_path=core/src/test/proto \
+		core/src/test/proto/com/google/protobuf/nested_extension_lite.proto \
+		core/src/test/proto/com/google/protobuf/non_nested_extension_lite.proto \
+		|| die "protoc II failed"
+
+	# Ignore two failing test cases from CodedOutputStreamTest.java
+	sed \
+		-e '/import org.junit.Test/a import org.junit.Ignore;' \
+		-e '/testWriteWholeMessage/i @Ignore' \
+		-e '/testWriteWholePackedFieldsMessage/i @Ignore' \
+		-i core/src/test/java/com/google/protobuf/CodedOutputStreamTest.java || die
+
+	einfo "Running tests"
+	# Exclude MapInitializationOrderTest and CachedFieldSizeTest
+	pushd core/src/test/java || die
+		local JAVA_TEST_RUN_ONLY=$(find * \
+			-wholename "**/*Test.java" \
+			! -wholename "**/Abstract*Test.java" \
+			! -name "MapInitializationOrderTest.java" \
+			! -name "CachedFieldSizeTest.java" \
+			)
+	popd
+	JAVA_TEST_RUN_ONLY="${JAVA_TEST_RUN_ONLY//.java}"
+	JAVA_TEST_RUN_ONLY="${JAVA_TEST_RUN_ONLY//\//.}"
+	java-pkg-simple_src_test
+}