#
# Author:: Deepali Jagtap (deepali.jagtap@clogeny.com)
# Author:: Prabhu Das (prabhu.das@clogeny.com)
# Copyright:: Copyright (c) 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 "spec_helper"

describe Chef::Provider::Package::Bff do
  let(:logger) { double("Mixlib::Log::Child").as_null_object }
  before(:each) do
    @node = Chef::Node.new
    @events = Chef::EventDispatch::Dispatcher.new
    @run_context = Chef::RunContext.new(@node, {}, @events)
    allow(@run_context).to receive(:logger).and_return(logger)

    @new_resource = Chef::Resource::Package.new("samba.base")
    @new_resource.source("/tmp/samba.base")

    @provider = Chef::Provider::Package::Bff.new(@new_resource, @run_context)
    allow(::File).to receive(:exist?).with(@new_resource.source).and_return(true)
  end

  describe "assessing the current package status" do
    before do
      @bffinfo = "/usr/lib/objrepos:samba.base:3.3.12.0::COMMITTED:I:Samba for AIX:
  /etc/objrepos:samba.base:3.3.12.0::COMMITTED:I:Samba for AIX:"

      @empty_status = double("Status", stdout: "", exitstatus: 0)
    end

    it "should create a current resource with the name of new_resource" do
      status = double("Status", stdout: @bffinfo, exitstatus: 0)
      expect(@provider).to receive(:shell_out_compacted).with("installp", "-L", "-d", "/tmp/samba.base", timeout: 900).and_return(status)
      expect(@provider).to receive(:shell_out_compacted).with("lslpp", "-lcq", "samba.base", timeout: 900).and_return(@empty_status)
      @provider.load_current_resource
      expect(@provider.current_resource.name).to eq("samba.base")
    end

    it "should set the current resource bff package name to the new resource bff package name" do
      status = double("Status", stdout: @bffinfo, exitstatus: 0)
      expect(@provider).to receive(:shell_out_compacted).with("installp", "-L", "-d", "/tmp/samba.base", timeout: 900).and_return(status)
      expect(@provider).to receive(:shell_out_compacted).with("lslpp", "-lcq", "samba.base", timeout: 900).and_return(@empty_status)
      @provider.load_current_resource
      expect(@provider.current_resource.package_name).to eq("samba.base")
    end

    it "should raise an exception if a source is supplied but not found" do
      allow(@provider).to receive(:shell_out_compacted).and_return(@empty_status)
      allow(::File).to receive(:exist?).with(@new_resource.source).and_return(false)
      @provider.load_current_resource
      @provider.action = :install
      @provider.define_resource_requirements
      expect { @provider.process_resource_requirements }.to raise_error(Chef::Exceptions::Package)
    end

    it "should get the source package version from lslpp if provided" do
      status = double("Status", stdout: @bffinfo, exitstatus: 0)
      expect(@provider).to receive(:shell_out_compacted).with("installp", "-L", "-d", "/tmp/samba.base", timeout: 900).and_return(status)
      expect(@provider).to receive(:shell_out_compacted).with("lslpp", "-lcq", "samba.base", timeout: 900).and_return(@empty_status)
      @provider.load_current_resource

      expect(@provider.current_resource.package_name).to eq("samba.base")
      expect(@new_resource.version).to eq("3.3.12.0")
    end

    it "should warn if the package is not a fileset" do
      info = "samba.base:samba.base.samples:3.3.12.0::COMMITTED:I:Samba for AIX:
  /etc/objrepos:samba.base:3.3.12.0::COMMITTED:I:Samba for AIX:"
      status = double("Status", stdout: info, exitstatus: 0)
      expect(@provider).to receive(:shell_out_compacted).with("installp", "-L", "-d", "/tmp/samba.base", timeout: 900).and_return(status)
      expect(@provider).to receive(:shell_out_compacted).with("lslpp", "-lcq", "samba.base", timeout: 900).and_return(@empty_status)
      expect(logger).to receive(:warn).once.with(/bff package by product name/)
      @provider.load_current_resource

      expect(@provider.current_resource.package_name).to eq("samba.base")
      expect(@new_resource.version).to eq("3.3.12.0")
    end

    it "should return the current version installed if found by lslpp" do
      status = double("Status", stdout: @bffinfo, exitstatus: 0)
      @stdout = StringIO.new(@bffinfo)
      @stdin, @stderr = StringIO.new, StringIO.new
      expect(@provider).to receive(:shell_out_compacted).with("installp", "-L", "-d", "/tmp/samba.base", timeout: 900).and_return(status)
      expect(@provider).to receive(:shell_out_compacted).with("lslpp", "-lcq", "samba.base", timeout: 900).and_return(status)
      @provider.load_current_resource
      expect(@provider.current_resource.version).to eq("3.3.12.0")
    end

    it "should raise an exception if the source is not set but we are installing" do
      status = double("Status", stdout: "", exitstatus: 1, format_for_exception: "")
      @new_resource = Chef::Resource::Package.new("samba.base")
      @provider = Chef::Provider::Package::Bff.new(@new_resource, @run_context)
      allow(@provider).to receive(:shell_out_compacted).and_return(status)
      expect { @provider.run_action(:install) }.to raise_error(Chef::Exceptions::Package)
    end

    it "should raise an exception if installp/lslpp fails to run" do
      status = double(stdout: "", exitstatus: -1, format_for_exception: "")
      allow(@provider).to receive(:shell_out_compacted).and_return(status)
      expect { @provider.load_current_resource }.to raise_error(Chef::Exceptions::Package)
    end

    it "should return a current resource with a nil version if the package is not found" do
      status = double("Status", stdout: @bffinfo, exitstatus: 0)
      expect(@provider).to receive(:shell_out_compacted).with("installp", "-L", "-d", "/tmp/samba.base", timeout: 900).and_return(status)
      expect(@provider).to receive(:shell_out_compacted).with("lslpp", "-lcq", "samba.base", timeout: 900).and_return(@empty_status)
      @provider.load_current_resource
      expect(@provider.current_resource.version).to be_nil
    end

    it "should raise an exception if the source doesn't provide the requested package" do
      wrongbffinfo = "/usr/lib/objrepos:openssl.base:0.9.8.2400::COMMITTED:I:Open Secure Socket Layer:
/etc/objrepos:openssl.base:0.9.8.2400::COMMITTED:I:Open Secure Socket Layer:"
      status = double("Status", stdout: wrongbffinfo, exitstatus: 0)
      expect(@provider).to receive(:shell_out_compacted).with("installp", "-L", "-d", "/tmp/samba.base", timeout: 900).and_return(status)
      expect { @provider.load_current_resource }.to raise_error(Chef::Exceptions::Package)
    end
  end

  describe "candidate_version" do
    it "should return the candidate_version variable if already setup" do
      @provider.candidate_version = "3.3.12.0"
      expect(@provider).not_to receive(:shell_out_compacted)
      @provider.candidate_version
    end

    it "should lookup the candidate_version if the variable is not already set" do
      status = double(stdout: "", exitstatus: 0)
      expect(@provider).to receive(:shell_out_compacted).and_return(status)
      @provider.candidate_version
    end

    it "should throw and exception if the exitstatus is not 0" do
      @status = double(stdout: "", exitstatus: 1, format_for_exception: "")
      allow(@provider).to receive(:shell_out_compacted).and_return(@status)
      expect { @provider.candidate_version }.to raise_error(Chef::Exceptions::Package)
    end

  end

  describe "install and upgrade" do
    it "should run installp -aYF -d with the package source to install" do
      expect(@provider).to receive(:shell_out_compacted!).with("installp", "-aYF", "-d", "/tmp/samba.base", "samba.base", timeout: 900)
      @provider.install_package("samba.base", "3.3.12.0")
    end

    it "should run installp -aYF -d when the package is a path to install" do
      @new_resource = Chef::Resource::Package.new("/tmp/samba.base")
      @provider = Chef::Provider::Package::Bff.new(@new_resource, @run_context)
      expect(@new_resource.source).to eq("/tmp/samba.base")
      expect(@provider).to receive(:shell_out_compacted!).with("installp", "-aYF", "-d", "/tmp/samba.base", "/tmp/samba.base", timeout: 900)
      @provider.install_package("/tmp/samba.base", "3.3.12.0")
    end

    it "should run installp with -eLogfile option." do
      @new_resource.options("-e/tmp/installp.log")
      expect(@provider).to receive(:shell_out_compacted!).with("installp", "-aYF", "-e/tmp/installp.log", "-d", "/tmp/samba.base", "samba.base", timeout: 900)
      @provider.install_package("samba.base", "3.3.12.0")
    end
  end

  describe "remove" do
    it "should run installp -u samba.base to remove the package" do
      expect(@provider).to receive(:shell_out_compacted!).with("installp", "-u", "samba.base", timeout: 900)
      @provider.remove_package("samba.base", "3.3.12.0")
    end

    it "should run installp -u -e/tmp/installp.log  with options -e/tmp/installp.log" do
      @new_resource.options("-e/tmp/installp.log")
      expect(@provider).to receive(:shell_out_compacted!).with("installp", "-u", "-e/tmp/installp.log", "samba.base", timeout: 900)
      @provider.remove_package("samba.base", "3.3.12.0")
    end

  end
end