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#!/bin/bash
# Copyright 2018 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 --server_javabase and Java toolchain resolution work as expected
# for Bazel with the embedded JDK.
# Load the test setup defined in the parent directory
CURRENT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
source "${CURRENT_DIR}/../integration_test_setup.sh" \
|| { echo "integration_test_setup.sh not found!" >&2; exit 1; }
function test_server_javabase() {
mkdir -p test_server_javabase/bin
MAGIC="the cake is a lie"
cat << EOF > test_server_javabase/bin/java
#!/bin/bash
echo "$MAGIC"
EOF
chmod +x test_server_javabase/bin/java
# Check that we're able to change the server_javabase to a user specified
# version.
bazel --batch --server_javabase=test_server_javabase version >& $TEST_log
expect_log "$MAGIC"
bazel --batch version >& $TEST_log
expect_not_log "$MAGIC"
# Check that we're using the embedded JDK by default as server_javabase.
bazel --batch info >& $TEST_log
expect_log "java-home: .*/embedded_tools/jdk"
}
# Javabuilder shall be executed using JDK defined in java_toolchain's java_runtime attribute.
# Java targets shall be executed using JDK matching --java_runtime_version version.
function test_java_runtime() {
cat << EOF >> WORKSPACE
load("@bazel_tools//tools/jdk:local_java_repository.bzl", "local_java_repository")
local_java_repository(
name = "host_javabase",
java_home = "$PWD/foobar",
version = "11",
)
EOF
mkdir java
cat << EOF > java/BUILD
java_library(
name = "javalib",
srcs = ["HelloWorld.java"],
)
EOF
touch java/HelloWorld.java
mkdir -p foobar/bin
touch foobar/bin/java
# We expect the given host_javabase does not appear in the command line of
# java_library actions.
bazel aquery --output=text --tool_java_runtime_version='host_javabase' //java:javalib >& $TEST_log
expect_log "exec external/remotejdk11_.*/bin/java"
expect_not_log "exec external/host_javabase/bin/java"
# If we don't specify anything, we expect the remote JDK to be used.
bazel aquery --output=text //java:javalib >& $TEST_log
expect_not_log "exec external/embedded_jdk/bin/java"
expect_log "exec external/remotejdk11_.*/bin/java"
bazel aquery --output=text --java_runtime_version='host_javabase' //java:javalib >& $TEST_log
expect_log "exec external/remotejdk11_.*/bin/java"
expect_not_log "exec external/host_javabase/bin/java"
}
# Javabuilder shall be executed using JDK defined in java_toolchain's java_runtime attribute.
# Rationale: Javabuilder uses JDK internals for compilation. This ensures
# compatibility between JDK and Javabuilder, and ability to compile desired source.
# Testing: Javabuilder in target configuration.
function test_toolchain_java_runtime_set_from_toolchain() {
mkdir java
cat << EOF > java/BUILD
java_library(
name = "javalib",
srcs = ["HelloWorld.java"],
)
EOF
touch java/HelloWorld.java
mkdir -p foobar/bin
touch foobar/bin/java
bazel aquery --output=text --java_language_version=8 //java:javalib >& $TEST_log
expect_log "exec external/remotejdk11_.*/bin/java"
bazel aquery --output=text --java_language_version=11 //java:javalib >& $TEST_log
expect_log "exec external/remotejdk11_.*/bin/java"
bazel aquery --output=text --java_language_version=17 //java:javalib >& $TEST_log
expect_log "exec external/remotejdk17_.*/bin/java"
}
# Javabuilder shall be executed using JDK defined in java_toolchain's java_runtime attribute, not tool_java_runtime.
# Testing: Javabuilder in exec configuration.
function test_exec_toolchain_java_runtime_not_set_from_tool_java_runtime_version() {
cat << EOF >> WORKSPACE
load("@bazel_tools//tools/jdk:local_java_repository.bzl", "local_java_repository")
local_java_repository(
name = "host_javabase",
java_home = "$PWD/foobar",
version = "11",
)
EOF
mkdir -p java
cat >> java/rule.bzl <<EOF
def _sample_rule_impl(ctx):
return []
sample_rule = rule(
implementation = _sample_rule_impl,
attrs = {
"dep": attr.label(cfg = 'exec'),
},
)
EOF
cat << EOF > java/BUILD
load(":rule.bzl", "sample_rule")
java_library(
name = "javalib",
srcs = ["HelloWorld.java"],
)
sample_rule(
name = 'sample',
dep = ':javalib',
)
EOF
touch java/HelloWorld.java
mkdir -p foobar/bin
touch foobar/bin/java
# We expect the given host_javabase does not appear in the command line of
# java_library actions.
bazel aquery --output=text --tool_java_runtime_version='host_javabase' 'deps(//java:sample,1)' >& $TEST_log
expect_log "exec external/remotejdk11_.*/bin/java"
expect_not_log "exec external/host_javabase/bin/java"
# If we don't specify anything, we expect the remote JDK to be used.
# Note that this will change in the future but is the current state.
bazel aquery --output=text 'deps(//java:sample,1)' >& $TEST_log
expect_not_log "exec external/embedded_jdk/bin/java"
expect_log "exec external/remotejdk11_.*/bin/java"
bazel aquery --output=text --tool_java_runtime_version='host_javabase' 'deps(//java:sample,1)' >& $TEST_log
expect_log "exec external/remotejdk11_.*/bin/java"
expect_not_log "exec external/host_javabase/bin/java"
bazel aquery --output=text --tool_java_language_version=17 --tool_java_runtime_version='host_javabase' 'deps(//java:sample,1)' >& $TEST_log
expect_log "exec external/remotejdk17_.*/bin/java"
expect_not_log "exec external/host_javabase/bin/java"
}
function test_javabase() {
cat << EOF >> WORKSPACE
load("@bazel_tools//tools/jdk:local_java_repository.bzl", "local_java_repository")
local_java_repository(
name = "javabase",
java_home = "$PWD/zoo",
version = "11",
)
EOF
mkdir -p zoo/bin
touch zoo/bin/java
cat << EOF > BUILD
load("@bazel_tools//tools/jdk:default_java_toolchain.bzl", "default_java_toolchain")
default_java_toolchain(
name = "toolchain",
# Implicitly use the host_javabase bootclasspath, since the target doesn't
# exist in this test.
bootclasspath = [],
javabuilder = ["@bazel_tools//tools/jdk:vanillajavabuilder"],
jvm_opts = [],
visibility = ["//visibility:public"],
java_runtime = "@local_jdk//:jdk",
)
EOF
mkdir java
cat << EOF > java/BUILD
java_binary(
name = "javabin",
srcs = ["HelloWorld.java"],
)
EOF
cat << EOF > java/HelloWorld.java
public class HelloWorld {}
EOF
# Check that the RHS javabase appears in the launcher.
bazel build --extra_toolchains=//:toolchain_definition --java_runtime_version=javabase //java:javabin
cat bazel-bin/java/javabin >& $TEST_log
expect_log "JAVABIN=.*/zoo/bin/java"
# Check that we use local_jdk when it's not specified.
bazel build //java:javabin
cat bazel-bin/java/javabin >& $TEST_log
expect_log "JAVABIN=.*/local_jdk/bin/java"
}
function write_javabase_files() {
mkdir -p javabase_test
cat << EOF > javabase_test/BUILD
java_binary(
name = "a",
srcs = ["A.java"],
main_class = "A",
)
EOF
cat << EOF > javabase_test/A.java
class A {
public static void main(String[] args) {
System.err.println("hello");
}
}
EOF
}
function test_no_javabase() {
# Only run this test when there's no locally installed JDK.
which javac && return
write_javabase_files
bazel build //javabase_test:a
($(bazel-bin/javabase_test/a --print_javabin) -version || true) >& $TEST_log
expect_log "bazel-bin/javabase_test/a.runfiles/local_jdk/bin/java: No such file or directory"
}
function test_no_javabase() {
# Only run this test when there's no locally installed JDK.
which javac && return
write_javabase_files
bazel --batch build //javabase_test:a
($(bazel-bin/javabase_test/a --print_javabin) -version || true) >& $TEST_log
expect_log "bazel-bin/javabase_test/a.runfiles/local_jdk/bin/java: No such file or directory"
}
# Tests non-existent java_home path.
function test_no_java_home_path() {
cat << EOF >> WORKSPACE
load("@bazel_tools//tools/jdk:local_java_repository.bzl", "local_java_repository")
local_java_repository(
name = "javabase",
java_home = "$PWD/i-dont-exist",
version = "11",
)
EOF
bazel build @javabase//... >& $TEST_log && fail "Build with missing java_home should fail."
expect_log "The path indicated by the \"java_home\" attribute .* does not exist."
}
function test_genrule() {
cat << EOF > WORKSPACE
load("@bazel_tools//tools/jdk:local_java_repository.bzl", "local_java_repository")
local_java_repository(
name = "foo_javabase",
java_home = "$PWD/foo",
version = "11",
)
EOF
mkdir -p foo/bin bar/bin
cat << EOF > BUILD
java_runtime(
name = "bar_runtime",
visibility = ["//visibility:public"],
srcs = ["bar/bin/java"],
)
genrule(
name = "without_java",
srcs = ["in"],
outs = ["out_without"],
cmd = "cat \$(SRCS) > \$(OUTS)",
)
genrule(
name = "with_java",
srcs = ["in"],
outs = ["out_with"],
cmd = "echo \$(JAVA) > \$(OUTS)",
toolchains = [":bar_runtime"],
)
EOF
# Use --max_config_changes_to_show=0, as changed option names may otherwise
# erroneously match the expected regexes.
# Test the genrule with no java dependencies.
bazel cquery --max_config_changes_to_show=0 --implicit_deps 'deps(//:without_java)' >& $TEST_log
expect_not_log "foo"
expect_not_log "bar"
expect_not_log "embedded_jdk"
expect_not_log "remotejdk_"
expect_not_log "remotejdk11_"
# Test the genrule that specifically depends on :bar_runtime.
bazel cquery --max_config_changes_to_show=0 --implicit_deps 'deps(//:with_java)' >& $TEST_log
expect_not_log "foo"
expect_log "bar"
expect_not_log "embedded_jdk"
expect_not_log "remotejdk_"
expect_not_log "remotejdk11_"
# Setting the javabase should not change the use of :bar_runtime from the
# roolchains attribute.
bazel cquery --max_config_changes_to_show=0 --implicit_deps 'deps(//:with_java)' \
--tool_java_runtime_version=foo_javabase >& $TEST_log
expect_not_log "foo"
expect_log "bar"
expect_not_log "embedded_jdk"
expect_not_log "remotejdk_"
expect_not_log "remotejdk11_"
}
run_suite "Tests of specifying custom server_javabase/host_javabase and javabase."