require 'spec_helper'
require 'puppet'

provider_class = Puppet::Type.type(:ini_setting).provider(:ruby)
describe provider_class do
  include PuppetlabsSpec::Files

  let(:tmpfile) { tmpfilename("ini_setting_test") }
  let(:emptyfile) { tmpfilename("ini_setting_test_empty") }

  let(:common_params) { {
      :title    => 'ini_setting_ensure_present_test',
      :path     => tmpfile,
      :section  => 'section2',
  } }

  def validate_file(expected_content,tmpfile = tmpfile)
    File.read(tmpfile).should == expected_content
  end


  before :each do
    File.open(tmpfile, 'w') do |fh|
      fh.write(orig_content)
    end
    File.open(emptyfile, 'w') do |fh|
      fh.write("")
    end
  end

  context "when ensuring that a setting is present" do
    let(:orig_content) {
      <<-EOS
# This is a comment
[section1]
; This is also a comment
foo=foovalue

bar = barvalue
master = true
[section2]

foo= foovalue2
baz=bazvalue
url = http://192.168.1.1:8080
[section:sub]
subby=bar
    #another comment
 ; yet another comment
      EOS
    }

    it "should add a missing setting to the correct section" do
      resource = Puppet::Type::Ini_setting.new(common_params.merge(
          :setting => 'yahoo', :value => 'yippee'))
      provider = described_class.new(resource)
      provider.exists?.should be_nil
      provider.create
      validate_file(<<-EOS
# This is a comment
[section1]
; This is also a comment
foo=foovalue

bar = barvalue
master = true
[section2]

foo= foovalue2
baz=bazvalue
url = http://192.168.1.1:8080
yahoo = yippee
[section:sub]
subby=bar
    #another comment
 ; yet another comment
      EOS
)
    end

    it "should add a missing setting to the correct section with colon" do
      resource = Puppet::Type::Ini_setting.new(common_params.merge(
          :section => 'section:sub', :setting => 'yahoo', :value => 'yippee'))
      provider = described_class.new(resource)
      provider.exists?.should be_nil
      provider.create
      validate_file(<<-EOS
# This is a comment
[section1]
; This is also a comment
foo=foovalue

bar = barvalue
master = true
[section2]

foo= foovalue2
baz=bazvalue
url = http://192.168.1.1:8080
[section:sub]
subby=bar
    #another comment
 ; yet another comment
yahoo = yippee
      EOS
)
    end

    it "should modify an existing setting with a different value" do
      resource = Puppet::Type::Ini_setting.new(common_params.merge(
           :setting => 'baz', :value => 'bazvalue2'))
      provider = described_class.new(resource)
      provider.exists?.should == 'bazvalue'
      provider.value=('bazvalue2')
      validate_file(<<-EOS
# This is a comment
[section1]
; This is also a comment
foo=foovalue

bar = barvalue
master = true
[section2]

foo= foovalue2
baz = bazvalue2
url = http://192.168.1.1:8080
[section:sub]
subby=bar
    #another comment
 ; yet another comment
      EOS
      )
    end

    it "should modify an existing setting with a different value - with colon in section" do
      resource = Puppet::Type::Ini_setting.new(common_params.merge(
           :section => 'section:sub', :setting => 'subby', :value => 'foo'))
      provider = described_class.new(resource)
      provider.exists?.should == 'bar'
      provider.value.should == 'bar'
      provider.value=('foo')
      validate_file(<<-EOS
# This is a comment
[section1]
; This is also a comment
foo=foovalue

bar = barvalue
master = true
[section2]

foo= foovalue2
baz=bazvalue
url = http://192.168.1.1:8080
[section:sub]
subby = foo
    #another comment
 ; yet another comment
      EOS
      )
    end

    it "should be able to handle settings with non alphanumbering settings " do
      resource = Puppet::Type::Ini_setting.new(common_params.merge(
           :setting => 'url', :value => 'http://192.168.0.1:8080'))
      provider = described_class.new(resource)
      provider.exists?.should == 'http://192.168.1.1:8080'
      provider.value.should == 'http://192.168.1.1:8080'
      provider.value=('http://192.168.0.1:8080')

      validate_file( <<-EOS
# This is a comment
[section1]
; This is also a comment
foo=foovalue

bar = barvalue
master = true
[section2]

foo= foovalue2
baz=bazvalue
url = http://192.168.0.1:8080
[section:sub]
subby=bar
    #another comment
 ; yet another comment
    EOS
      )
    end

    it "should recognize an existing setting with the specified value" do
      resource = Puppet::Type::Ini_setting.new(common_params.merge(
           :setting => 'baz', :value => 'bazvalue'))
      provider = described_class.new(resource)
      provider.exists?.should == 'bazvalue'
    end

    it "should add a new section if the section does not exist" do
      resource = Puppet::Type::Ini_setting.new(common_params.merge(
          :section => "section3", :setting => 'huzzah', :value => 'shazaam'))
      provider = described_class.new(resource)
      provider.exists?.should be_nil
      provider.create
      validate_file(<<-EOS
# This is a comment
[section1]
; This is also a comment
foo=foovalue

bar = barvalue
master = true
[section2]

foo= foovalue2
baz=bazvalue
url = http://192.168.1.1:8080
[section:sub]
subby=bar
    #another comment
 ; yet another comment

[section3]
huzzah = shazaam
      EOS
      )
    end

    it "should add a new section if the section does not exist - with colon" do
      resource = Puppet::Type::Ini_setting.new(common_params.merge(
          :section => "section:subsection", :setting => 'huzzah', :value => 'shazaam'))
      provider = described_class.new(resource)
      provider.exists?.should be_nil
      provider.create
      validate_file(<<-EOS
# This is a comment
[section1]
; This is also a comment
foo=foovalue

bar = barvalue
master = true
[section2]

foo= foovalue2
baz=bazvalue
url = http://192.168.1.1:8080
[section:sub]
subby=bar
    #another comment
 ; yet another comment

[section:subsection]
huzzah = shazaam
      EOS
      )
    end

    it "should add a new section if no sections exists" do
      resource = Puppet::Type::Ini_setting.new(common_params.merge(
          :section => "section1", :setting => 'setting1', :value => 'hellowworld', :path => emptyfile))
      provider = described_class.new(resource)
      provider.exists?.should be_nil
      provider.create
      validate_file("
[section1]
setting1 = hellowworld
", emptyfile)
    end

    it "should add a new section with colon if no sections exists" do
      resource = Puppet::Type::Ini_setting.new(common_params.merge(
          :section => "section:subsection", :setting => 'setting1', :value => 'hellowworld', :path => emptyfile))
      provider = described_class.new(resource)
      provider.exists?.should be_nil
      provider.create
      validate_file("
[section:subsection]
setting1 = hellowworld
", emptyfile)
    end

    it "should be able to handle variables of any type" do
      resource = Puppet::Type::Ini_setting.new(common_params.merge(
          :section => "section1", :setting => 'master', :value => true))
      provider = described_class.new(resource)
      provider.exists?.should == 'true'
      provider.value.should == 'true'
    end

  end

  context "when dealing with a global section" do
    let(:orig_content) {
      <<-EOS
# This is a comment
foo=blah
[section2]
foo = http://192.168.1.1:8080
 ; yet another comment
      EOS
    }


    it "should add a missing setting if it doesn't exist" do
      resource = Puppet::Type::Ini_setting.new(common_params.merge(
          :section => '', :setting => 'bar', :value => 'yippee'))
      provider = described_class.new(resource)
      provider.exists?.should be_nil
      provider.create
      validate_file(<<-EOS
# This is a comment
foo=blah
bar = yippee
[section2]
foo = http://192.168.1.1:8080
 ; yet another comment
      EOS
      )
    end

    it "should modify an existing setting with a different value" do
      resource = Puppet::Type::Ini_setting.new(common_params.merge(
           :section => '', :setting => 'foo', :value => 'yippee'))
      provider = described_class.new(resource)
      provider.exists?.should == 'blah'
      provider.value.should == 'blah'
      provider.value=('yippee')
      validate_file(<<-EOS
# This is a comment
foo = yippee
[section2]
foo = http://192.168.1.1:8080
 ; yet another comment
      EOS
      )
    end

    it "should recognize an existing setting with the specified value" do
      resource = Puppet::Type::Ini_setting.new(common_params.merge(
           :section => '', :setting => 'foo', :value => 'blah'))
      provider = described_class.new(resource)
      provider.exists?.should == 'blah'
    end
  end

  context "when the first line of the file is a section" do
    let(:orig_content) {
      <<-EOS
[section2]
foo = http://192.168.1.1:8080
      EOS
    }

    it "should be able to add a global setting" do
      resource = Puppet::Type::Ini_setting.new(common_params.merge(
           :section => '', :setting => 'foo', :value => 'yippee'))
      provider = described_class.new(resource)
      provider.exists?.should be_nil
      provider.create
      validate_file(<<-EOS
foo = yippee
[section2]
foo = http://192.168.1.1:8080
      EOS
      )
    end

    it "should modify an existing setting" do
      resource = Puppet::Type::Ini_setting.new(common_params.merge(
          :section => 'section2', :setting => 'foo', :value => 'yippee'))
      provider = described_class.new(resource)
      provider.exists?.should == 'http://192.168.1.1:8080'
      provider.value.should == 'http://192.168.1.1:8080'
      provider.value=('yippee')
      validate_file(<<-EOS
[section2]
foo = yippee
      EOS
      )
    end

    it "should add a new setting" do
      resource = Puppet::Type::Ini_setting.new(common_params.merge(
          :section => 'section2', :setting => 'bar', :value => 'baz'))
      provider = described_class.new(resource)
      provider.exists?.should be_nil
      provider.create
      validate_file(<<-EOS
[section2]
foo = http://192.168.1.1:8080
bar = baz
      EOS
      )
    end
  end

  context "when overriding the separator" do
    let(:orig_content) {
      <<-EOS
[section2]
foo=bar
      EOS
    }

    it "should fail if the separator doesn't include an equals sign" do
      expect {
        Puppet::Type::Ini_setting.new(common_params.merge(
                                         :section           => 'section2',
                                         :setting           => 'foo',
                                         :value             => 'yippee',
                                         :key_val_separator => '+'))
      }.to raise_error Puppet::Error, /must contain exactly one/
    end

    it "should fail if the separator includes more than one equals sign" do
      expect {
        Puppet::Type::Ini_setting.new(common_params.merge(
                                         :section           => 'section2',
                                         :setting           => 'foo',
                                         :value             => 'yippee',
                                         :key_val_separator => ' = foo = '))
      }.to raise_error Puppet::Error, /must contain exactly one/
    end

    it "should modify an existing setting" do
      resource = Puppet::Type::Ini_setting.new(common_params.merge(
                                                   :section           => 'section2',
                                                   :setting           => 'foo',
                                                   :value             => 'yippee',
                                                   :key_val_separator => '='))
      provider = described_class.new(resource)
      provider.exists?.should == 'bar'
      provider.value.should == 'bar'
      provider.value=('yippee')
      validate_file(<<-EOS
[section2]
foo=yippee
      EOS
      )
    end

    it "should add a new setting" do
      resource = Puppet::Type::Ini_setting.new(common_params.merge(
                                                   :section           => 'section2',
                                                   :setting           => 'bar',
                                                   :value             => 'baz',
                                                   :key_val_separator => '='))
      provider = described_class.new(resource)
      provider.exists?.should be_nil
      provider.create
      validate_file(<<-EOS
[section2]
foo=bar
bar=baz
      EOS
      )
    end

  end

  context "when ensuring that a setting is absent" do
    let(:orig_content) {
      <<-EOS
[section1]
; This is also a comment
foo=foovalue

bar = barvalue
master = true
[section2]

foo= foovalue2
baz=bazvalue
url = http://192.168.1.1:8080
[section:sub]
subby=bar
    #another comment
 ; yet another comment
EOS
    }

    it "should remove a setting that exists" do
      resource = Puppet::Type::Ini_setting.new(common_params.merge(
      :section => 'section1', :setting => 'foo', :ensure => 'absent'))
      provider = described_class.new(resource)
      provider.exists?.should be_true
      provider.destroy
      validate_file(<<-EOS
[section1]
; This is also a comment

bar = barvalue
master = true
[section2]

foo= foovalue2
baz=bazvalue
url = http://192.168.1.1:8080
[section:sub]
subby=bar
    #another comment
 ; yet another comment
EOS
    )
    end
  end

end