#
# Author:: Joshua Timberman (<joshua@opscode.com>)
# Author:: Daniel DeLeo (<dan@opscode.com>)
# Copyright:: Copyright (c) 2008, 2010 Opscode, 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::Rpm do
  before(:each) do
    @node = Chef::Node.new
    @events = Chef::EventDispatch::Dispatcher.new
    @run_context = Chef::RunContext.new(@node, {}, @events)

    @new_resource = Chef::Resource::Package.new("ImageMagick-c++")
    @new_resource.source "/tmp/ImageMagick-c++-6.5.4.7-7.el6_5.x86_64.rpm"

    @provider = Chef::Provider::Package::Rpm.new(@new_resource, @run_context)

    @status = double("Status", :exitstatus => 0)
    allow(::File).to receive(:exists?).and_return(true)
  end

  describe "when determining the current state of the package" do

    it "should create a current resource with the name of new_resource" do
      allow(@provider).to receive(:popen4).and_return(@status)
      @provider.load_current_resource
      expect(@provider.current_resource.name).to eq("ImageMagick-c++")
    end

    it "should set the current reource package name to the new resource package name" do
      allow(@provider).to receive(:popen4).and_return(@status)
      @provider.load_current_resource
      expect(@provider.current_resource.package_name).to eq('ImageMagick-c++')
    end

    it "should raise an exception if a source is supplied but not found" do
      allow(::File).to receive(:exists?).and_return(false)
      expect { @provider.run_action(:any) }.to raise_error(Chef::Exceptions::Package)
    end

    it "should get the source package version from rpm if provided" do
      @stdout = StringIO.new("ImageMagick-c++ 6.5.4.7-7.el6_5")
      expect(@provider).to receive(:popen4).with("rpm -qp --queryformat '%{NAME} %{VERSION}-%{RELEASE}\n' /tmp/ImageMagick-c++-6.5.4.7-7.el6_5.x86_64.rpm").and_yield(@pid, @stdin, @stdout, @stderr).and_return(@status)
      expect(@provider).to receive(:popen4).with("rpm -q --queryformat '%{NAME} %{VERSION}-%{RELEASE}\n' ImageMagick-c++").and_return(@status)
      @provider.load_current_resource
      expect(@provider.current_resource.package_name).to eq("ImageMagick-c++")
      expect(@provider.new_resource.version).to eq("6.5.4.7-7.el6_5")
    end

    it "should return the current version installed if found by rpm" do
      @stdout = StringIO.new("ImageMagick-c++ 6.5.4.7-7.el6_5")
      expect(@provider).to receive(:popen4).with("rpm -qp --queryformat '%{NAME} %{VERSION}-%{RELEASE}\n' /tmp/ImageMagick-c++-6.5.4.7-7.el6_5.x86_64.rpm").and_return(@status)
      expect(@provider).to receive(:popen4).with("rpm -q --queryformat '%{NAME} %{VERSION}-%{RELEASE}\n' ImageMagick-c++").and_yield(@pid, @stdin, @stdout, @stderr).and_return(@status)
      @provider.load_current_resource
      expect(@provider.current_resource.version).to eq("6.5.4.7-7.el6_5")
    end

    it "should raise an exception if the source is not set but we are installing" do
      new_resource = Chef::Resource::Package.new("ImageMagick-c++")
      provider = Chef::Provider::Package::Rpm.new(new_resource, @run_context)
      expect { provider.run_action(:any) }.to raise_error(Chef::Exceptions::Package)
    end

    it "should raise an exception if rpm fails to run" do
      status = double("Status", :exitstatus => -1)
      allow(@provider).to receive(:popen4).and_return(status)
      expect { @provider.run_action(:any) }.to raise_error(Chef::Exceptions::Package)
    end

    it "should not detect the package name as version when not installed" do
      @status = double("Status", :exitstatus => -1)
      @stdout = StringIO.new("package openssh-askpass is not installed")
      @new_resource = Chef::Resource::Package.new("openssh-askpass")
      @new_resource.source 'openssh-askpass'
      @provider = Chef::Provider::Package::Rpm.new(@new_resource, @run_context)
      expect(@provider).to receive(:popen4).with("rpm -qp --queryformat '%{NAME} %{VERSION}-%{RELEASE}\n' openssh-askpass").and_yield(@pid, @stdin, @stdout, @stderr).and_return(@status)
      expect(@provider).to receive(:popen4).with("rpm -q --queryformat '%{NAME} %{VERSION}-%{RELEASE}\n' openssh-askpass").and_return(@status)
      @provider.load_current_resource
      expect(@provider.current_resource.version).to be_nil
    end
  end

  describe "after the current resource is loaded" do
    before do
      @current_resource = Chef::Resource::Package.new("ImageMagick-c++")
      @provider.current_resource = @current_resource
    end

    describe "when installing or upgrading" do
      it "should run rpm -i with the package source to install" do
        expect(@provider).to receive(:shell_out!).with("rpm  -i /tmp/ImageMagick-c++-6.5.4.7-7.el6_5.x86_64.rpm")
        @provider.install_package("ImageMagick-c++", "6.5.4.7-7.el6_5")
      end

      it "should run rpm -U with the package source to upgrade" do
        @current_resource.version("21.4-19.el5")
        expect(@provider).to receive(:shell_out!).with("rpm  -U /tmp/ImageMagick-c++-6.5.4.7-7.el6_5.x86_64.rpm")
        @provider.upgrade_package("ImageMagick-c++", "6.5.4.7-7.el6_5")
      end

      it "should install package if missing and set to upgrade" do
        @current_resource.version("ImageMagick-c++")
        expect(@provider).to receive(:shell_out!).with("rpm  -U /tmp/ImageMagick-c++-6.5.4.7-7.el6_5.x86_64.rpm")
        @provider.upgrade_package("ImageMagick-c++", "6.5.4.7-7.el6_5")
      end

      it "should install from a path when the package is a path and the source is nil" do
        @new_resource = Chef::Resource::Package.new("/tmp/ImageMagick-c++-6.5.4.7-7.el6_5.x86_64.rpm")
        @provider = Chef::Provider::Package::Rpm.new(@new_resource, @run_context)
        expect(@new_resource.source).to eq("/tmp/ImageMagick-c++-6.5.4.7-7.el6_5.x86_64.rpm")
        @current_resource = Chef::Resource::Package.new("ImageMagick-c++")
        @provider.current_resource = @current_resource
        expect(@provider).to receive(:shell_out!).with("rpm  -i /tmp/ImageMagick-c++-6.5.4.7-7.el6_5.x86_64.rpm")
        @provider.install_package("/tmp/ImageMagick-c++-6.5.4.7-7.el6_5.x86_64.rpm", "6.5.4.7-7.el6_5")
      end

      it "should uprgrade from a path when the package is a path and the source is nil" do
        @new_resource = Chef::Resource::Package.new("/tmp/ImageMagick-c++-6.5.4.7-7.el6_5.x86_64.rpm")
        @provider = Chef::Provider::Package::Rpm.new(@new_resource, @run_context)
        expect(@new_resource.source).to eq("/tmp/ImageMagick-c++-6.5.4.7-7.el6_5.x86_64.rpm")
        @current_resource = Chef::Resource::Package.new("ImageMagick-c++")
        @current_resource.version("21.4-19.el5")
        @provider.current_resource = @current_resource
        expect(@provider).to receive(:shell_out!).with("rpm  -U /tmp/ImageMagick-c++-6.5.4.7-7.el6_5.x86_64.rpm")
        @provider.upgrade_package("/tmp/ImageMagick-c++-6.5.4.7-7.el6_5.x86_64.rpm", "6.5.4.7-7.el6_5")
      end

      it "installs with custom options specified in the resource" do
        @provider.candidate_version = '11'
        @new_resource.options("--dbpath /var/lib/rpm")
        expect(@provider).to receive(:shell_out!).with("rpm --dbpath /var/lib/rpm -i /tmp/ImageMagick-c++-6.5.4.7-7.el6_5.x86_64.rpm")
        @provider.install_package(@new_resource.name, @provider.candidate_version)
      end
    end

    describe "when removing the package" do
      it "should run rpm -e to remove the package" do
        expect(@provider).to receive(:shell_out!).with("rpm  -e ImageMagick-c++-6.5.4.7-7.el6_5")
        @provider.remove_package("ImageMagick-c++", "6.5.4.7-7.el6_5")
      end
    end
  end
end