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 calling instances' do

    let :orig_content do
      ''
    end

    it 'should fail when file path is not set' do
      expect {
        provider_class.instances
      }.to raise_error(Puppet::Error, 'Ini_settings only support collecting instances when a file path is hard coded')
    end

    context 'when file path is set by a child class' do
      it 'should return [] when file is empty' do
        child_one = Class.new(provider_class) do
          def self.file_path
            emptyfile
          end
        end
        child_one.stubs(:file_path).returns(emptyfile)
        child_one.instances.should == []
      end
      it 'should override the provider instances file_path' do
        child_two = Class.new(provider_class) do
          def self.file_path
            '/some/file/path'
          end
        end
        resource = Puppet::Type::Ini_setting.new(common_params)
        provider = child_two.new(resource)
        provider.file_path.should == '/some/file/path'
      end
      context 'when file has contecnts' 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 be able to parse the results' do
          child_three = Class.new(provider_class) do
            def self.file_path
              '/some/file/path'
            end
          end
          child_three.stubs(:file_path).returns(tmpfile)
          child_three.instances.size == 7
          expected_array = [
            {:name => 'section1/foo', :value => 'foovalue' },
            {:name => 'section1/bar', :value => 'barvalue' },
            {:name => 'section1/master', :value => 'true' },
            {:name => 'section2/foo', :value => 'foovalue2' },
            {:name => 'section2/baz', :value => 'bazvalue' },
            {:name => 'section2/url', :value => 'http://192.168.1.1:8080' },
            {:name => 'section:sub/subby', :value => 'bar' }
          ]
          real_array = []
          ensure_array = []
          child_three.instances.each do |x|
            prop_hash    = x.instance_variable_get(:@property_hash)
            ensure_value = prop_hash.delete(:ensure)
            ensure_array.push(ensure_value)
            real_array.push(prop_hash)
          end
          ensure_array.uniq.should == [:present]
          ((real_array - expected_array) && (expected_array - real_array)).should == []

        end

      end

    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

    it "should do nothing for a setting that does not exist" do
      resource = Puppet::Type::Ini_setting.new(common_params.merge(
                                                   :section => 'section:sub', :setting => 'foo', :ensure => 'absent'))
      provider = described_class.new(resource)
      provider.exists?.should be_nil
      provider.destroy
      validate_file(<<-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
      )
    end
  end


  context "when dealing with indentation in sections" 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
  fleezy = flam
 ; yet another comment
      EOS
    }

    it "should add a missing setting at the correct indentation when the header is aligned" do
      resource = Puppet::Type::Ini_setting.new(common_params.merge(
                    :section => 'section1', :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
     yahoo = yippee

[section2]
  foo= foovalue2
  baz=bazvalue
  url = http://192.168.1.1:8080
[section:sub]
 subby=bar
    #another comment
  fleezy = flam
 ; yet another comment
      EOS
      )
    end

    it "should update an existing setting at the correct indentation when the header is aligned" do
      resource = Puppet::Type::Ini_setting.new(
          common_params.merge(:section => 'section1', :setting => 'bar', :value => 'barvalue2'))
      provider = described_class.new(resource)
      provider.exists?.should be_true
      provider.create
      validate_file(<<-EOS
# This is a comment
     [section1]
     ; This is also a comment
     foo=foovalue

     bar = barvalue2
     master = true

[section2]
  foo= foovalue2
  baz=bazvalue
  url = http://192.168.1.1:8080
[section:sub]
 subby=bar
    #another comment
  fleezy = flam
 ; yet another comment
      EOS
      )
    end

    it "should add a missing setting at the correct indentation when the header is not aligned" do
      resource = Puppet::Type::Ini_setting.new(common_params.merge(
                                                   :section => 'section2', :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
  fleezy = flam
 ; yet another comment
      EOS
      )
    end

    it "should update an existing setting at the correct indentation when the header is not aligned" do
      resource = Puppet::Type::Ini_setting.new(
          common_params.merge(:section => 'section2', :setting => 'baz', :value => 'bazvalue2'))
      provider = described_class.new(resource)
      provider.exists?.should be_true
      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=bazvalue2
  url = http://192.168.1.1:8080
[section:sub]
 subby=bar
    #another comment
  fleezy = flam
 ; yet another comment
      EOS
      )
    end

    it "should add a missing setting at the min indentation when the section is not aligned" 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
  fleezy = flam
 ; yet another comment
 yahoo = yippee
      EOS
      )
    end

    it "should update an existing setting at the previous indentation when the section is not aligned" do
      resource = Puppet::Type::Ini_setting.new(
          common_params.merge(:section => 'section:sub', :setting => 'fleezy', :value => 'flam2'))
      provider = described_class.new(resource)
      provider.exists?.should be_true
      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
  fleezy = flam2
 ; yet another comment
      EOS
      )
    end

  end


  context "when dealing settings that have a commented version present" do
    let(:orig_content) {
      <<-EOS
     [section1]
     # foo=foovalue
     bar=barvalue
     foo = foovalue2

[section2]
# foo = foovalue
;bar=barvalue
blah = blah
      EOS
    }

    it "should add a new setting below a commented version of that setting" do
      resource = Puppet::Type::Ini_setting.new(
          common_params.merge(:section => 'section2', :setting => 'foo', :value => 'foo3'))
      provider = described_class.new(resource)
      provider.exists?.should be_false
      provider.create
      validate_file(<<-EOS
     [section1]
     # foo=foovalue
     bar=barvalue
     foo = foovalue2

[section2]
# foo = foovalue
foo = foo3
;bar=barvalue
blah = blah
      EOS
      )
    end

    it "should update an existing setting in place, even if there is a commented version of that setting" do
      resource = Puppet::Type::Ini_setting.new(
          common_params.merge(:section => 'section1', :setting => 'foo', :value => 'foo3'))
      provider = described_class.new(resource)
      provider.exists?.should be_true
      provider.create
      validate_file(<<-EOS
     [section1]
     # foo=foovalue
     bar=barvalue
     foo = foo3

[section2]
# foo = foovalue
;bar=barvalue
blah = blah
      EOS
      )
    end

    it "should add a new setting below a commented version of that setting, respecting semicolons as comments" do
      resource = Puppet::Type::Ini_setting.new(
          common_params.merge(:section => 'section2', :setting => 'bar', :value => 'bar3'))
      provider = described_class.new(resource)
      provider.exists?.should be_false
      provider.create
      validate_file(<<-EOS
     [section1]
     # foo=foovalue
     bar=barvalue
     foo = foovalue2

[section2]
# foo = foovalue
;bar=barvalue
bar=bar3
blah = blah
      EOS
      )
    end

    context 'when a section only contains comments' do
     let(:orig_content) {
      <<-EOS
[section1]
# foo=foovalue
# bar=bar2
EOS
    }
      it 'should be able to add a new setting when a section contains only comments' do
        resource = Puppet::Type::Ini_setting.new(
          common_params.merge(:section => 'section1', :setting => 'foo', :value => 'foovalue2')
        )
        provider = described_class.new(resource)
        provider.exists?.should be_false
        provider.create
        validate_file(<<-EOS
[section1]
# foo=foovalue
foo=foovalue2
# bar=bar2
        EOS
        )
      end
      it 'should be able to add a new setting when it matches a commented out line other than the first one' do
        resource = Puppet::Type::Ini_setting.new(
          common_params.merge(:section => 'section1', :setting => 'bar', :value => 'barvalue2')
        )
        provider = described_class.new(resource)
        provider.exists?.should be_false
        provider.create
        validate_file(<<-EOS
[section1]
# foo=foovalue
# bar=bar2
bar=barvalue2
        EOS
        )
      end
    end

  end

end