#!/bin/bash
#
# Copyright 2019 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.

# Load the test setup defined in the parent directory
set -euo pipefail

JAVA_TOOLS_JAVA_VERSION="$1"; shift

# --- 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; }

# `uname` returns the current platform, e.g "MSYS_NT-10.0" or "Linux".
# `tr` converts all upper case letters to lower case.
# `case` matches the result if the `uname | tr` expression to string prefixes
# that use the same wildcards as names do in Bash, i.e. "msys*" matches strings
# starting with "msys", and "*" matches everything (it's the default case).
case "$(uname -s | tr [:upper:] [:lower:])" in
msys*)
  # As of 2019-01-15, Bazel on Windows only supports MSYS Bash.
  declare -r is_windows=true
  ;;
*)
  declare -r is_windows=false
  ;;
esac

if "$is_windows"; then
  # Disable MSYS path conversion that converts path-looking command arguments to
  # Windows paths (even if they arguments are not in fact paths).
  export MSYS_NO_PATHCONV=1
  export MSYS2_ARG_CONV_EXCL="*"
fi

function set_up() {
  local java_tools_rlocation=$(rlocation io_bazel/src/java_tools_${JAVA_TOOLS_JAVA_VERSION}.zip)
  local java_tools_zip_file_url="file://${java_tools_rlocation}"
  if "$is_windows"; then
        java_tools_zip_file_url="file:///${java_tools_rlocation}"
  fi
  cat > WORKSPACE <<EOF
load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
http_archive(
    name = "local_java_tools",
    urls = ["${java_tools_zip_file_url}"]
)
EOF
}

function expect_path_in_java_tools() {
  path="$1"; shift

  count=$(zipinfo -1 $(rlocation io_bazel/src/java_tools_${JAVA_TOOLS_JAVA_VERSION}.zip) | grep -c "$path")
  [[ "$count" -gt 0 ]] || fail "Path $path not found in java_tools_${JAVA_TOOLS_JAVA_VERSION}.zip"
}

function test_java_tools_has_ijar() {
  expect_path_in_java_tools "java_tools/ijar"
}

function test_java_tools_has_ijar_binary() {
  expect_path_in_java_tools "java_tools/ijar/ijar"
}

function test_java_tools_has_zlib() {
  expect_path_in_java_tools "java_tools/zlib"
}

function test_java_tools_has_native_windows() {
  expect_path_in_java_tools "java_tools/src/main/native/windows"
}

function test_java_tools_has_cpp_util() {
  expect_path_in_java_tools "java_tools/src/main/cpp/util"
}

function test_java_tools_has_desugar_deps() {
  expect_path_in_java_tools "java_tools/src/main/protobuf/desugar_deps.proto"
}

function test_java_tools_has_singlejar() {
  expect_path_in_java_tools "java_tools/src/tools/singlejar"
}

function test_java_tools_has_singlejar_local() {
  expect_path_in_java_tools "java_tools/src/tools/singlejar/singlejar_local"
}

function test_java_tools_has_VanillaJavaBuilder() {
  expect_path_in_java_tools "java_tools/VanillaJavaBuilder_deploy.jar"
}

function test_java_tools_has_JavaBuilder() {
  expect_path_in_java_tools "java_tools/JavaBuilder_deploy.jar"
}

function test_java_tools_has_turbine_direct() {
  expect_path_in_java_tools "java_tools/turbine_direct_binary_deploy.jar"
}

function test_java_tools_has_Runner() {
  expect_path_in_java_tools "java_tools/Runner_deploy.jar"
}

function test_java_tools_has_jdk_compiler() {
  expect_path_in_java_tools "java_tools/jdk_compiler.jar"
}

function test_java_tools_has_java_compiler() {
  expect_path_in_java_tools "java_tools/java_compiler.jar"
}

function test_java_tools_has_javac() {
  expect_path_in_java_tools "java_tools/javac-9+181-r4173-1.jar"
}

function test_java_tools_has_Jacoco() {
  expect_path_in_java_tools "java_tools/JacocoCoverage_jarjar_deploy.jar"
}

function test_java_tools_has_GenClass() {
  expect_path_in_java_tools "java_tools/GenClass_deploy.jar"
}

function test_java_tools_has_BUILD() {
  expect_path_in_java_tools "BUILD"
}

function test_java_tools_has_jacocoagent() {
  expect_path_in_java_tools "java_tools/third_party/java/jacoco/jacocoagent-0.8.3.jar"
  expect_path_in_java_tools "java_tools/third_party/java/jacoco/org.jacoco.agent-0.8.3.jar"
  expect_path_in_java_tools "java_tools/third_party/java/jacoco/org.jacoco.core-0.8.3.jar"
  expect_path_in_java_tools "java_tools/third_party/java/jacoco/org.jacoco.report-0.8.3.jar"
  expect_path_in_java_tools "java_tools/third_party/java/jacoco/asm-tree-8.0.jar"
  expect_path_in_java_tools "java_tools/third_party/java/jacoco/asm-commons-8.0.jar"
  expect_path_in_java_tools "java_tools/third_party/java/jacoco/asm-8.0.jar"
  expect_path_in_java_tools "java_tools/third_party/java/jacoco/LICENSE"
}

function test_java_tools_has_proguard() {
  expect_path_in_java_tools "java_tools/third_party/java/proguard/proguard.jar"
  expect_path_in_java_tools "java_tools/third_party/java/proguard/GPL.html"
}

function test_java_tools_toolchain_builds() {
  bazel build @local_java_tools//:toolchain || fail "toolchain failed to build"
}

function test_java_tools_singlejar_builds() {
  bazel build @local_java_tools//:singlejar_cc_bin || fail "singlejar failed to build"
}

function test_java_tools_ijar_builds() {
  bazel build @local_java_tools//:ijar_cc_binary || fail "ijar failed to build"
}

function test_java_toolchain_default_manualConfiguration() {
  cat > BUILD <<EOF
load("@local_java_tools//:java_toolchain_default.bzl", "java_toolchain_default")
java_toolchain_default(
  name = "vanilla",
  javabuilder = ["//:VanillaJavaBuilder"],
  jvm_opts = [],
)
EOF
  bazel build //:vanilla || fail "java_toolchain_default target failed to build"
}

function test_java_toolchain_default_manualConfigurationWithLocation() {
  cat > BUILD <<EOF
load("@local_java_tools//:java_toolchain_default.bzl", "java_toolchain_default", "JDK9_JVM_OPTS")
java_toolchain_default(
  name = "toolchain",
  jvm_opts = [
      # In JDK9 we have seen a ~30% slow down in JavaBuilder performance when using
      # G1 collector and having compact strings enabled.
      "-XX:+UseParallelGC",
      "-XX:-CompactStrings",
      # override the javac in the JDK.
      "--patch-module=java.compiler=\$(location //:java_compiler_jar)",
      "--patch-module=jdk.compiler=\$(location //:jdk_compiler_jar)",
  ] + JDK9_JVM_OPTS,
  tools = [
      "//:java_compiler_jar",
      "//:jdk_compiler_jar",
    ],
)
EOF
  bazel build //:toolchain || fail "java_toolchain_default target failed to build"
}

function test_java_toolchain_default_jvm8Toolchain() {
  cat > BUILD <<EOF
load("@local_java_tools//:java_toolchain_default.bzl", "java_toolchain_default", "JVM8_TOOLCHAIN_CONFIGURATION")
java_toolchain_default(
  name = "jvm8_toolchain",
  configuration = JVM8_TOOLCHAIN_CONFIGURATION,
)
EOF
  bazel build //:jvm8_toolchain || fail "java_toolchain_default target failed to build"
}

function test_java_toolchain_default_javabuilderToolchain() {
  cat > BUILD <<EOF
load("@local_java_tools//:java_toolchain_default.bzl", "java_toolchain_default", "JAVABUILDER_TOOLCHAIN_CONFIGURATION")
java_toolchain_default(
  name = "javabuilder_toolchain",
  configuration = JAVABUILDER_TOOLCHAIN_CONFIGURATION,
)
EOF
  bazel build //:javabuilder_toolchain || fail "java_toolchain_default target failed to build"
}

function test_java_toolchain_default_vanillaToolchain() {
  cat > BUILD <<EOF
load("@local_java_tools//:java_toolchain_default.bzl", "java_toolchain_default", "VANILLA_TOOLCHAIN_CONFIGURATION")
java_toolchain_default(
  name = "vanilla_toolchain",
  configuration = VANILLA_TOOLCHAIN_CONFIGURATION,
)
EOF
  bazel build //:vanilla_toolchain || fail "java_toolchain_default target failed to build"
}

function test_java_toolchain_default_prebuiltToolchain() {
  cat > BUILD <<EOF
load("@local_java_tools//:java_toolchain_default.bzl", "java_toolchain_default", "PREBUILT_TOOLCHAIN_CONFIGURATION")
java_toolchain_default(
  name = "prebuilt_toolchain",
  configuration = PREBUILT_TOOLCHAIN_CONFIGURATION,
)
EOF
  bazel build //:prebuilt_toolchain || fail "java_toolchain_default target failed to build"
}

function test_java_toolchain_default_notInTools() {
  cat > BUILD <<EOF
load("@bazel_tools//tools/jdk:java_toolchain_default.bzl", "java_toolchain_default")
filegroup(
  name = "dummy",
)
EOF
  (bazel build //:dummy && fail "java_toolchain_default accessible from @bazel_tools") || true
}

run_suite "Java tools archive tests"