# frozen_string_literal: true

require_relative '../../../test_helper'

describe DocParser::JSONOutput do
  it 'must create a file' do
    Dir.mktmpdir do |dir|
      filename = File.join(dir, 'test.json')
      DocParser::JSONOutput.new(filename: filename)
      File.exist?(filename).must_equal true
    end
  end

  it 'must save the header' do
    Dir.mktmpdir do |dir|
      filename = File.join(dir, 'test.json')
      output = DocParser::JSONOutput.new(filename: filename)
      output.header = 'test', 'the', 'header'
      output.close
      open(filename).read.must_equal '[]'
    end
  end

  it 'must have a header' do
    Dir.mktmpdir do |dir|
      filename = File.join(dir, 'test.json')
      output = DocParser::JSONOutput.new(filename: filename)
      lambda do
        output.add_row %w[aap noot mies]
      end.must_raise(DocParser::MissingHeaderException)
    end
  end

  it 'must save some rows' do
    Dir.mktmpdir do |dir|
      filename = File.join(dir, 'test.json')
      output = DocParser::JSONOutput.new(filename: filename)
      output.header = 'test', 'the', 'header'
      output.add_row %w[a b c]
      output.add_row %w[aap noot mies"]
      output.add_row %w[aap noot] # testing empty column
      output.close
      expected = '[{"test":"a","the":"b","header":"c"},
        {"test":"aap","the":"noot","header":"mies\""},
        {"test":"aap","the":"noot","header":""}]'.gsub(/\s+/, '')
      open(filename).read.must_equal expected
    end
  end

  it 'must give the correct rowcount' do
    Dir.mktmpdir do |dir|
      filename = File.join(dir, 'test.json')
      output = DocParser::JSONOutput.new(filename: filename)
      output.header = 'test', 'the', 'header'
      output.rowcount.must_equal 0
      output.add_row %w[aap noot mies]
      output.add_row %w[aap noot mies]
      output.rowcount.must_equal 2
    end
  end
end