# frozen_string_literal: true

# Cloud Foundry Java Buildpack

# Copyright 2013-2020 the original author or authors.

#

# 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.

require 'spec_helper'

require 'component_helper'

require 'java_buildpack/container/java_main'

require 'java_buildpack/util/qualify_path'

describe JavaBuildpack::Container::JavaMain do

include JavaBuildpack::Util

include_context 'with component help'

shared_context 'with explicit main class' do

let(:configuration) { { 'java_main_class' => 'test-java-main-class' } }

end

context do

include_context 'with explicit main class'

it 'detects with main class configuration' do

expect(component.detect).to eq('java-main')

end

end

it 'detects with main class manifest entry',

app_fixture: 'container_main' do

expect(component.detect).to eq('java-main')

end

it 'does not detect without main class manifest entry',

app_fixture: 'container_main_no_main_class' do

expect(component.detect).to be_nil

end

it 'does not detect without manifest' do

expect(component.detect).to be_nil

end

it 'links additional libraries to the lib directory',

app_fixture: 'container_main_spring_boot_jar_launcher' do

component.compile

lib = app_dir + 'lib'

test_jar1 = lib + 'test-jar-1.jar'

test_jar2 = lib + 'test-jar-2.jar'

expect(test_jar1).to exist

expect(test_jar1).to be_symlink

expect(test_jar1.readlink).to eq((additional_libs_directory + 'test-jar-1.jar').relative_path_from(lib))

expect(test_jar2).to exist

expect(test_jar2).to be_symlink

expect(test_jar2.readlink).to eq((additional_libs_directory + 'test-jar-2.jar').relative_path_from(lib))

end

it 'caches Spring Boot Thin Launcher dependencies',

app_fixture: 'container_main_spring_boot_thin_launcher' do

expect_any_instance_of(JavaBuildpack::Util::SpringBootUtils).to receive(:cache_thin_dependencies)

.with(java_home.root, application.root, sandbox + 'repository')

component.compile

end

context do

include_context 'with explicit main class'

it 'returns command' do

expect(component.release).to eq('test-var-2 test-var-1 ' \

"eval exec #{qualify_path java_home.root, droplet.root}/bin/java $JAVA_OPTS " \

'-cp $PWD/.:$PWD/.additional_libs/test-jar-1.jar:$PWD/' \

'.additional_libs/test-jar-2.jar:$PWD/.root_libs/test-jar-3.jar:' \

'$PWD/.root_libs/test-jar-4.jar test-java-main-class')

end

end

it 'returns additional classpath entries when Class-Path is specified',

app_fixture: 'container_main' do

expect(component.release).to eq('test-var-2 test-var-1 ' \

"eval exec #{qualify_path java_home.root, droplet.root}/bin/java $JAVA_OPTS " \

'-cp $PWD/.:$PWD/.additional_libs/test-jar-1.jar:$PWD/' \

'.additional_libs/test-jar-2.jar:$PWD/alpha.jar:$PWD/bravo.jar:$PWD/' \

'charlie.jar:$PWD/.root_libs/test-jar-3.jar:$PWD/.root_libs/test-jar-4.jar ' \

'test-main-class')

end

context do

let(:configuration) { { 'java_main_class' => 'test-java-main-class', 'arguments' => 'some arguments' } }

it 'returns command line arguments when they are specified' do

expect(component.release).to eq('test-var-2 test-var-1 ' \

"eval exec #{qualify_path java_home.root, droplet.root}/bin/java $JAVA_OPTS " \

'-cp $PWD/.:$PWD/.additional_libs/test-jar-1.jar:$PWD/.additional_libs/' \

'test-jar-2.jar:$PWD/.root_libs/test-jar-3.jar:' \

'$PWD/.root_libs/test-jar-4.jar test-java-main-class some arguments')

end

end

it 'releases Spring boot applications with a JarLauncher in the MANIFEST.MF by specifying a port',

app_fixture: 'container_main_spring_boot_jar_launcher' do

expect(component.release).to eq('test-var-2 test-var-1 SERVER_PORT=$PORT ' \

"eval exec #{qualify_path java_home.root, droplet.root}/bin/java $JAVA_OPTS " \

'-cp $PWD/.:$PWD/.root_libs/test-jar-3.jar:$PWD/.root_libs/test-jar-4.jar ' \

'org.springframework.boot.loader.JarLauncher')

end

it 'releases Spring boot applications with a WarLauncher in the MANIFEST.MF by specifying a port',

app_fixture: 'container_main_spring_boot_war_launcher' do

expect(component.release).to eq('test-var-2 test-var-1 SERVER_PORT=$PORT ' \

"eval exec #{qualify_path java_home.root, droplet.root}/bin/java $JAVA_OPTS " \

'-cp $PWD/.:$PWD/.root_libs/test-jar-3.jar:$PWD/.root_libs/test-jar-4.jar ' \

'org.springframework.boot.loader.WarLauncher')

end

it 'releases Spring boot applications with a PropertiesLauncher in the MANIFEST.MF by specifying a port',

app_fixture: 'container_main_spring_boot_properties_launcher' do

expect(component.release).to eq('test-var-2 test-var-1 SERVER_PORT=$PORT ' \

"eval exec #{qualify_path java_home.root, droplet.root}/bin/java $JAVA_OPTS " \

'-cp $PWD/.:$PWD/.root_libs/test-jar-3.jar:$PWD/.root_libs/test-jar-4.jar ' \

'org.springframework.boot.loader.PropertiesLauncher')

end

it 'releases Spring Boot thin applications by specifying thin.root',

app_fixture: 'container_main_spring_boot_thin_launcher' do

component.release

expect(java_opts).to include('-Dthin.offline=true')

expect(java_opts).to include('-Dthin.root=$PWD/.java-buildpack/java_main/repository')

end

end