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bazel_java15_test.sh
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bazel_java15_test.sh
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#!/bin/bash
#
# Copyright 2020 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.
#
# Tests that bazel runs projects with Java 15 features.
# --- begin runfiles.bash initialization ---
if [[ ! -d "${RUNFILES_DIR:-/dev/null}" && ! -f "${RUNFILES_MANIFEST_FILE:-/dev/null}" ]]; then
if [[ -f "$0.runfiles_manifest" ]]; then
export RUNFILES_MANIFEST_FILE="$0.runfiles_manifest"
elif [[ -f "$0.runfiles/MANIFEST" ]]; then
export RUNFILES_MANIFEST_FILE="$0.runfiles/MANIFEST"
elif [[ -f "$0.runfiles/bazel_tools/tools/bash/runfiles/runfiles.bash" ]]; then
export RUNFILES_DIR="$0.runfiles"
fi
fi
if [[ -f "${RUNFILES_DIR:-/dev/null}/bazel_tools/tools/bash/runfiles/runfiles.bash" ]]; then
source "${RUNFILES_DIR}/bazel_tools/tools/bash/runfiles/runfiles.bash"
elif [[ -f "${RUNFILES_MANIFEST_FILE:-/dev/null}" ]]; then
source "$(grep -m1 "^bazel_tools/tools/bash/runfiles/runfiles.bash " \
"$RUNFILES_MANIFEST_FILE" | cut -d ' ' -f 2-)"
else
echo >&2 "ERROR: cannot find @bazel_tools//tools/bash/runfiles:runfiles.bash"
exit 1
fi
# --- end runfiles.bash initialization ---
source "$(rlocation "io_bazel/src/test/shell/integration_test_setup.sh")" \
|| { echo "integration_test_setup.sh not found!" >&2; exit 1; }
case "$(uname -s | tr [:upper:] [:lower:])" in
msys*|mingw*|cygwin*)
declare -r is_windows=true
;;
*)
declare -r is_windows=false
;;
esac
if "$is_windows"; then
export MSYS_NO_PATHCONV=1
export MSYS2_ARG_CONV_EXCL="*"
fi
JAVA_TOOLS_ZIP="$1"; shift
JAVA_TOOLS_PREBUILT_ZIP="$1"; shift
echo "JAVA_TOOLS_ZIP=$JAVA_TOOLS_ZIP"
JAVA_TOOLS_RLOCATION=$(rlocation io_bazel/$JAVA_TOOLS_ZIP)
if "$is_windows"; then
JAVA_TOOLS_ZIP_FILE_URL="file:///${JAVA_TOOLS_RLOCATION}"
JAVA_TOOLS_PREBUILT_ZIP_FILE_URL="file:///$(rlocation io_bazel/$JAVA_TOOLS_PREBUILT_ZIP)"
else
JAVA_TOOLS_ZIP_FILE_URL="file://${JAVA_TOOLS_RLOCATION}"
JAVA_TOOLS_PREBUILT_ZIP_FILE_URL="file://$(rlocation io_bazel/$JAVA_TOOLS_PREBUILT_ZIP)"
fi
JAVA_TOOLS_ZIP_FILE_URL=${JAVA_TOOLS_ZIP_FILE_URL:-}
JAVA_TOOLS_PREBUILT_ZIP_FILE_URL=${JAVA_TOOLS_PREBUILT_ZIP_FILE_URL:-}
function set_up() {
cat >>WORKSPACE <<EOF
load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
# java_tools versions only used to test Bazel with various JDK toolchains.
http_archive(
name = "remote_java_tools",
urls = ["${JAVA_TOOLS_ZIP_FILE_URL}"]
)
http_archive(
name = "remote_java_tools_linux",
urls = ["${JAVA_TOOLS_PREBUILT_ZIP_FILE_URL}"]
)
http_archive(
name = "remote_java_tools_windows",
urls = ["${JAVA_TOOLS_PREBUILT_ZIP_FILE_URL}"]
)
http_archive(
name = "remote_java_tools_darwin",
urls = ["${JAVA_TOOLS_PREBUILT_ZIP_FILE_URL}"]
)
EOF
cat $(rlocation io_bazel/src/test/shell/bazel/testdata/jdk_http_archives) >> WORKSPACE
}
# Java source files version shall match --java_language_version_flag version.
function test_java15_text_block() {
mkdir -p java/main
cat >java/main/BUILD <<EOF
java_binary(
name = 'Javac15Example',
srcs = ['Javac15Example.java'],
main_class = 'Javac15Example',
)
EOF
cat >java/main/Javac15Example.java <<EOF
public class Javac15Example {
static String textBlock = """
Hello,
World
""";
public static void main(String[] args) {
System.out.println(textBlock);
}
}
EOF
bazel run java/main:Javac15Example --java_language_version=11 --java_runtime_version=11 \
--test_output=all --verbose_failures &>"${TEST_log}" \
&& fail "Running with --java_language_version=11 unexpectedly succeeded."
bazel run java/main:Javac15Example --java_language_version=15 --java_runtime_version=15 \
--test_output=all --verbose_failures &>"${TEST_log}" \
|| fail "Running with --java_language_version=15 failed"
expect_log "^Hello,\$"
expect_log "^World\$"
}
# Java source files version shall match --java_language_version_flag version.
function test_java14_record_type() {
mkdir -p java/main
cat >java/main/BUILD <<EOF
java_binary(
name = 'Javac14Example',
srcs = ['Javac14Example.java'],
main_class = 'Javac14Example',
javacopts = ["--enable-preview"],
jvm_flags = ["--enable-preview"],
)
EOF
cat >java/main/Javac14Example.java <<EOF
public class Javac14Example {
record Point(int x, int y) {}
public static void main(String[] args) {
Point point = new Point(0, 1);
System.out.println(point.x);
}
}
EOF
bazel run java/main:Javac14Example --java_language_version=15 --java_runtime_version=15 \
--test_output=all --verbose_failures &>"${TEST_log}" \
|| fail "Running with --java_language_version=15 failed"
expect_log "0"
bazel run java/main:Javac14Example --java_language_version=11 --java_runtime_version=11 \
--test_output=all --verbose_failures &>"${TEST_log}" \
&& fail "Running with --java_language_version=11 unexpectedly succeeded."
expect_log "0"
}
# Regression test for https://github.com/bazelbuild/bazel/issues/12605
function test_java15_plugins() {
mkdir -p java/main
cat >java/main/BUILD <<EOF
java_library(
name = "Anno",
srcs = ["Anno.java"],
)
java_plugin(
name = "Proc",
srcs = ["Proc.java"],
deps = [":Anno"],
processor_class = "ex.Proc",
generates_api = True,
)
java_library(
name = "C1",
srcs = ["C1.java"],
deps = [":Anno"],
plugins = [":Proc"],
)
java_library(
name = "C2",
srcs = ["C2.java"],
deps = [":C1"],
)
EOF
cat >java/main/C1.java <<EOF
package ex;
public class C1 {
@Anno
@Deprecated
public void m() {}
}
EOF
cat >java/main/C2.java <<EOF
package ex;
public class C2 {
public void m() {
new C1().m();
}
}
EOF
cat >java/main/Anno.java <<EOF
package ex;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
@Retention(RetentionPolicy.RUNTIME)
@Target({ElementType.METHOD})
public @interface Anno {}
EOF
cat >java/main/Proc.java <<EOF
package ex;
import java.util.Set;
import javax.annotation.processing.AbstractProcessor;
import javax.annotation.processing.RoundEnvironment;
import javax.annotation.processing.SupportedAnnotationTypes;
import javax.annotation.processing.SupportedSourceVersion;
import javax.lang.model.SourceVersion;
import javax.lang.model.element.Element;
import javax.lang.model.element.TypeElement;
import javax.lang.model.util.Elements;
import javax.tools.Diagnostic.Kind;
@SupportedSourceVersion(SourceVersion.RELEASE_8)
@SupportedAnnotationTypes("ex.Anno")
public class Proc extends AbstractProcessor {
@Override
public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
Elements els = processingEnv.getElementUtils();
for (Element el : roundEnv.getElementsAnnotatedWith(Anno.class)) {
if (els.isDeprecated(el)) {
processingEnv.getMessager().printMessage(Kind.WARNING, "deprecated");
}
}
return true;
}
}
EOF
bazel build //java/main:C2 &>"${TEST_log}" || fail "Expected to build"
}
run_suite "Tests new Java 15 language features"