mirror of
https://github.com/inspec/inspec
synced 2024-11-23 13:13:22 +00:00
70 lines
1.5 KiB
Ruby
70 lines
1.5 KiB
Ruby
# encoding: utf-8
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# author: Christoph Hartmann
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# author: Dominik Richter
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# Parses a json document
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# Usage:
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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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class JsonConfig < Inspec.resource(1)
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name 'json'
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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_content = inspec.file(@path).content
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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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# check if further keys exist
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if !keys.first.nil?
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return extract_value(keys.clone, value)
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else
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return value
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end
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end
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end
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