2015-09-21 08:31:31 +00:00
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# encoding: utf-8
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2015-10-06 16:55:44 +00:00
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# author: Christoph Hartmann
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# author: Dominik Richter
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2015-09-21 08:31:31 +00:00
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# Parses a csv document
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# Usage:
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# describe csv('example.csv') do
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# its('name') { should eq(['John', 'Alice']) }
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# end
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#
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# This implementation was inspired by a blog post
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# @see http://technicalpickles.com/posts/parsing-csv-with-ruby
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class CsvConfig < JsonConfig
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name 'csv'
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# override file load and parse hash from csv
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def parse(content)
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require 'csv'
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# convert empty field to nil
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CSV::Converters[:blank_to_nil] = lambda do |field|
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field && field.empty? ? nil : field
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end
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# implicit conversion of values
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csv = CSV.new(content, headers: true, converters: [:all, :blank_to_nil])
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# convert to hash
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csv.to_a.map(&:to_hash)
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end
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end
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