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#!/bin/bash
set -ex
# Change to the script's directory.
cd $(dirname $0)
# Version of the tests (i.e., the version of protobuf from where we extracted
# these tests).
TEST_VERSION=`grep "^ <version>.*</version>" pom.xml | sed "s| <version>\(.*\)</version>|\1|"`
# The old version of protobuf that we are testing compatibility against. This
# is usually the same as TEST_VERSION (i.e., we use the tests extracted from
# that version to test compatibility of the newest runtime against it), but it
# is also possible to use this same test set to test the compatibiilty of the
# latest version against other versions.
case "$1" in
""|2.5.0)
OLD_VERSION=2.5.0
OLD_VERSION_PROTOC=https://github.com/xfxyjwf/protobuf-compiler-release/raw/master/v2.5.0/linux/protoc
;;
2.6.1)
OLD_VERSION=2.6.1
OLD_VERSION_PROTOC=http://repo1.maven.org/maven2/com/google/protobuf/protoc/2.6.1-build2/protoc-2.6.1-build2-linux-x86_64.exe
;;
3.0.0-beta-1)
OLD_VERSION=3.0.0-beta-1
OLD_VERSION_PROTOC=http://repo1.maven.org/maven2/com/google/protobuf/protoc/3.0.0-beta-1/protoc-3.0.0-beta-1-linux-x86_64.exe
;;
3.0.0-beta-2)
OLD_VERSION=3.0.0-beta-2
OLD_VERSION_PROTOC=http://repo1.maven.org/maven2/com/google/protobuf/protoc/3.0.0-beta-2/protoc-3.0.0-beta-2-linux-x86_64.exe
;;
3.0.0-beta-3)
OLD_VERSION=3.0.0-beta-3
OLD_VERSION_PROTOC=http://repo1.maven.org/maven2/com/google/protobuf/protoc/3.0.0-beta-3/protoc-3.0.0-beta-3-linux-x86_64.exe
;;
3.0.0-beta-4)
OLD_VERSION=3.0.0-beta-4
OLD_VERSION_PROTOC=http://repo1.maven.org/maven2/com/google/protobuf/protoc/3.0.0-beta-4/protoc-3.0.0-beta-4-linux-x86_64.exe
;;
*)
echo "[ERROR]: Unknown version number: $1"
exit 1
;;
esac
# Extract the latest protobuf version number.
VERSION_NUMBER=`grep "^ <version>.*</version>" ../../pom.xml | sed "s| <version>\(.*\)</version>|\1|"`
echo "Running compatibility tests between $VERSION_NUMBER and $OLD_VERSION"
# Check protoc
[ -f ../../../src/protoc ] || {
echo "[ERROR]: Please build protoc first."
exit 1
}
# Build and install protobuf-java-$VERSION_NUMBER.jar
[ -f ../../core/target/protobuf-java-$VERSION_NUMBER.jar ] || {
pushd ../..
mvn install -Dmaven.test.skip=true
popd
}
# Download old version source for the compatibility test
[ -d protobuf ] || {
git clone https://github.com/google/protobuf.git
cd protobuf
git reset --hard v$TEST_VERSION
cd ..
}
# Download old version protoc compiler (for linux)
wget $OLD_VERSION_PROTOC -O protoc
chmod +x protoc
# Test source compatibility. In these tests we recompile everything against
# the new runtime (including old version generated code).
# Test A.1:
# protos: use new version
# more_protos: use old version
mvn clean test \
-Dprotobuf.test.source.path=$(pwd)/protobuf \
-Dprotoc.path=$(pwd)/protoc \
-Dprotos.protoc.path=$(pwd)/../../../src/protoc \
-Dprotobuf.version=$VERSION_NUMBER
# Test A.2:
# protos: use old version
# more_protos: use new version
mvn clean test \
-Dprotobuf.test.source.path=$(pwd)/protobuf \
-Dprotoc.path=$(pwd)/protoc \
-Dmore_protos.protoc.path=$(pwd)/../../../src/protoc \
-Dprotobuf.version=$VERSION_NUMBER
# Test binary compatibility. In these tests we run the old version compiled
# jar against the new runtime directly without recompile.
# Collect all test dependencies in a single jar file (except for protobuf) to
# make it easier to run binary compatibility test (where we will need to run
# the jar files directly).
cd deps
mvn assembly:single
cd ..
cp -f deps/target/compatibility-test-deps-${TEST_VERSION}-jar-with-dependencies.jar deps.jar
# Build the old version of all 3 artifacts.
mvn clean install -Dmaven.test.skip=true -Dprotoc.path=$(pwd)/protoc -Dprotobuf.version=$OLD_VERSION
cp -f protos/target/compatibility-protos-${TEST_VERSION}.jar protos.jar
cp -f more_protos/target/compatibility-more-protos-${TEST_VERSION}.jar more_protos.jar
cp -f tests/target/compatibility-tests-${TEST_VERSION}.jar tests.jar
# Collect the list of tests we need to run.
TESTS=`find tests -name "*Test.java" | sed "s|/|.|g;s/.java$//g;s/tests.src.main.java.//g"`
# Test B.1: run all the old artifacts against the new runtime. Note that we
# must run the test in the protobuf source tree because some of the tests need
# to read golden test data files.
cd protobuf
java -cp ../../../core/target/protobuf-java-$VERSION_NUMBER.jar:../protos.jar:../more_protos.jar:../tests.jar:../deps.jar org.junit.runner.JUnitCore $TESTS
cd ..
# Test B.2: update protos.jar only.
cd protos
mvn clean package -Dmaven.test.skip=true -Dprotoc.path=$(pwd)/../../../../src/protoc -Dprotobuf.version=$VERSION_NUMBER
cd ..
cd protobuf
java -cp ../../../core/target/protobuf-java-$VERSION_NUMBER.jar:../protos/target/compatibility-protos-${TEST_VERSION}.jar:../more_protos.jar:../tests.jar:../deps.jar org.junit.runner.JUnitCore $TESTS
cd ..
# Test B.3: update more_protos.jar only.
cd more_protos
mvn clean package -Dmaven.test.skip=true -Dprotoc.path=$(pwd)/../../../../src/protoc -Dprotobuf.version=$VERSION_NUMBER
cd ..
cd protobuf
java -cp ../../../core/target/protobuf-java-$VERSION_NUMBER.jar:../protos.jar:../more_protos/target/compatibility-more-protos-${TEST_VERSION}.jar:../tests.jar:../deps.jar org.junit.runner.JUnitCore $TESTS
cd ..
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