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https://github.com/inspec/inspec
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82 lines
1.9 KiB
Ruby
82 lines
1.9 KiB
Ruby
# encoding: utf-8
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# author: Christoph Hartmann
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# author: Dominik Richter
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class JsonConfig < Inspec.resource(1)
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name 'json'
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desc 'Use the json InSpec audit resource to test data in a JSON file.'
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example "
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describe json('policyfile.lock.json') do
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its('cookbook_locks.omnibus.version') { should eq('2.2.0') }
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end
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"
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# make params readable
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attr_reader :params
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def initialize(path)
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@path = path
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@file = inspec.file(@path)
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@file_content = @file.content
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# check if file is available
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if !@file.file?
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skip_resource "Can't find file \"#{@conf_path}\""
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return @params = {}
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end
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# check if file is readable
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if @file_content.empty? && @file.size > 0
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skip_resource "Can't read file \"#{@conf_path}\""
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return @params = {}
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end
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@params = parse(@file_content)
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end
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def parse(content)
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require 'json'
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JSON.parse(content)
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end
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def value(key)
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extract_value(key, @params)
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end
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# Shorthand to retrieve a parameter name via `#its`.
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# Example: describe json('file') { its('paramX') { should eq 'Y' } }
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#
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# @param [String] name name of the field to retrieve
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# @return [Object] the value stored at this position
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def method_missing(*keys)
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# catch bahavior of rspec its implementation
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# @see https://github.com/rspec/rspec-its/blob/master/lib/rspec/its.rb#L110
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keys.shift if keys.is_a?(Array) && keys[0] == :[]
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value(keys)
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end
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def to_s
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"Json #{@path}"
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end
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private
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def extract_value(keys, value)
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key = keys.shift
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return nil if key.nil?
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# if value is an array, iterate over each child
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if value.is_a?(Array)
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value = value.map { |i|
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extract_value([key], i)
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}
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else
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value = value[key.to_s].nil? ? nil : value[key.to_s]
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end
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# if there are no more keys, just return the value
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return value if keys.first.nil?
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# if there are more keys, extract more
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extract_value(keys.clone, value)
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end
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end
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