require 'spec_helper'

describe 'delete_regex' do
  it { is_expected.not_to eq(nil) }
  it { is_expected.to run.with_params().and_raise_error(Puppet::ParseError) }
  it { is_expected.to run.with_params([]).and_raise_error(Puppet::ParseError) }
  it { is_expected.to run.with_params([], 'two') }
  it { is_expected.to run.with_params({}, 'two') }
  it { is_expected.to run.with_params([], 'two', 'three').and_raise_error(Puppet::ParseError) }
  it { is_expected.to run.with_params([], 'two', 'three', 'four').and_raise_error(Puppet::ParseError) }
  it { is_expected.to run.with_params(1, 'two').and_raise_error(TypeError) }

  describe 'deleting from an array' do
    it { is_expected.to run.with_params([], '').and_return([]) }
    it { is_expected.to run.with_params([], 'two').and_return([]) }
    it { is_expected.to run.with_params(['two'], 'two').and_return([]) }
    it { is_expected.to run.with_params(['two', 'two'], 'two').and_return([]) }
    it { is_expected.to run.with_params(['one', 'two', 'three'], '^t.*').and_return(['one']) }
    it { is_expected.to run.with_params(['ab', 'b', 'c', 'b'], 'b').and_return(['ab', 'c']) }
    it { is_expected.to run.with_params(['one', 'two', 'three'], 'four').and_return(['one', 'two', 'three']) }
    it { is_expected.to run.with_params(['one', 'two', 'three'], 'e').and_return(['one', 'two', 'three']) }
    it { is_expected.to run.with_params(['one', 'two', 'three'], 'two').and_return(['one', 'three']) }
    it { is_expected.to run.with_params(['two', 'one', 'two', 'three', 'two'], 'two').and_return(['one', 'three']) }
    it { is_expected.to run.with_params(['abracadabra'], 'abr').and_return(['abracadabra']) }
    it { is_expected.to run.with_params(['abracadabra'], '^.*jimbob.*$').and_return(['abracadabra']) }
  end

  describe 'deleting from an array' do
    it { is_expected.to run.with_params({}, '').and_return({}) }
    it { is_expected.to run.with_params({}, 'key').and_return({}) }
    it { is_expected.to run.with_params({'key' => 'value'}, 'key').and_return({}) }
    it { is_expected.to run \
      .with_params({'key1' => 'value1', 'key2' => 'value2', 'key3' => 'value3'}, 'key2') \
      .and_return( {'key1' => 'value1', 'key3' => 'value3'})
    }
    it { is_expected.to run \
      .with_params({'key1' => 'value1', 'key2' => 'value2', 'key3' => 'value3'}, ['key1', 'key2']) \
      .and_return( {'key3' => 'value3'})
    }
  end

  it "should leave the original array intact" do
    argument1 = ['one','two','three']
    original1 = argument1.dup
    subject.call([argument1,'two'])
    expect(argument1).to eq(original1)
  end
  it "should leave the original hash intact" do
    argument1 = {'key1' => 'value1', 'key2' => 'value2', 'key3' => 'value3'}
    original1 = argument1.dup
    subject.call([argument1,'key2'])
    expect(argument1).to eq(original1)
  end
end