#
# Copyright:: Copyright (c) 2014 Chef Software, Inc.
# License:: Apache License, Version 2.0
#
# 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 'stringio'
require 'spec_helper'

describe Omnibus::Packager::MacPkg do

  let(:project_name) { 'myproject' }

  let(:mac_pkg_identifier) { 'com.mycorp.myproject' }

  let(:omnibus_root) { '/omnibus/project/root' }

  let(:scripts_path) { "#{omnibus_root}/scripts" }

  let(:package_dir) { '/home/someuser/omnibus-myproject/pkg' }

  let(:package_tmp) { '/var/cache/omnibus/pkg-tmp' }

  let(:files_path) { "#{omnibus_root}/files" }

  let(:expected_distribution_content) do
    <<-EOH
<?xml version="1.0" standalone="no"?>
<installer-gui-script minSpecVersion="1">
    <title>Myproject</title>
    <background file="background.png" alignment="bottomleft" mime-type="image/png"/>
    <welcome file="welcome.html" mime-type="text/html"/>
    <license file="license.html" mime-type="text/html"/>

    <!-- Generated by productbuild - - synthesize -->
    <pkg-ref id="com.mycorp.myproject"/>
    <options customize="never" require-scripts="false"/>
    <choices-outline>
        <line choice="default">
            <line choice="com.mycorp.myproject"/>
        </line>
    </choices-outline>
    <choice id="default"/>
    <choice id="com.mycorp.myproject" visible="false">
        <pkg-ref id="com.mycorp.myproject"/>
    </choice>
    <pkg-ref id="com.mycorp.myproject" version="23.4.2" onConclusion="none">myproject-core.pkg</pkg-ref>
</installer-gui-script>
EOH
  end

  let(:expected_distribution_path) { '/var/cache/omnibus/pkg-tmp/mac_pkg/Distribution' }

  let(:project) do
    double Omnibus::Project,
           name: project_name,
           build_version: '23.4.2',
           iteration: 4,
           maintainer: "Joe's Software",
           install_path: '/opt/myproject',
           package_scripts_path: scripts_path,
           files_path: files_path,
           package_dir: package_dir,
           package_tmp: package_tmp,
           mac_pkg_identifier: mac_pkg_identifier
  end

  let(:packager) do
    Omnibus::Packager::MacPkg.new(project)
  end

  it "uses the project's version" do
    expect(packager.version).to eq(project.build_version)
  end

  it "uses the project's name" do
    expect(packager.name).to eq(project.name)
  end

  it "uses the project's mac_pkg_identifier" do
    expect(packager.identifier).to eq(mac_pkg_identifier)
  end

  it 'names the component package PROJECT_NAME-core.pkg' do
    expect(packager.component_pkg).to eq('myproject-core.pkg')
  end

  it 'names the product package PROJECT_NAME.pkg' do
    expect(packager.package_name).to eq('myproject-23.4.2-4.pkg')
  end

  it "use's the project's package_scripts_path" do
    expect(packager.scripts).to eq(project.package_scripts_path)
  end

  it 'runs pkgbuild' do
    expect(packager).to receive(:execute).with <<-EOH.gsub(/^ {6}/, '')
      pkgbuild \\
        --identifier "com.mycorp.myproject" \\
        --version "23.4.2" \\
        --scripts "/omnibus/project/root/scripts" \\
        --root "/opt/myproject" \\
        --install-location "/opt/myproject" \\
        "myproject-core.pkg"
    EOH
    packager.build_component_pkg
  end

  it 'generates a Distribution file describing the product package content' do
    file = StringIO.new
    File.stub(:open).with(any_args).and_yield(file)

    expect(file).to receive(:puts).with(expected_distribution_content)
    packager.generate_distribution
  end

  describe 'generating the distribution file' do
    let(:distribution_file) { StringIO.new }

    before do
      expect(File).to receive(:open)
        .with(expected_distribution_path, 'w', 0600)
        .and_yield(distribution_file)
    end

    it 'writes the distribution file to the staging directory' do
      packager.generate_distribution
      expect(distribution_file.string).to eq(expected_distribution_content)
    end
  end

  describe 'building the product package' do
    it 'generates the distribution and runs productbuild' do
      expect(packager).to receive(:execute).with <<-EOH.gsub(/^ {8}/, '')
        productbuild \\
          --distribution "/var/cache/omnibus/pkg-tmp/mac_pkg/Distribution" \\
          --resources "/omnibus/project/root/files/mac_pkg/Resources" \\
          "/home/someuser/omnibus-myproject/pkg/myproject-23.4.2-4.pkg"
      EOH
      packager.build_product_pkg
    end
  end

  context "when the mac_pkg_identifier isn't specified by the project" do
    let(:mac_pkg_identifier) { nil }
    let(:project_name) { 'My $Project' }

    it 'uses com.example.PROJECT_NAME as the identifier' do
      expect(packager.identifier).to eq('test.joessoftware.pkg.myproject')
    end
  end
end