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Contents
module JSONHelper
def assert_json(path = nil, *args)
value = follow_path(path.to_s.split('.'))
if block_given?
yield value
elsif args.size == 1
assert_equal args.first, value
else
raise ArgumentError, "Missing either expected_value or a block"
end
end
def assert_json_keys(path, keys = nil)
keys, path = path, nil if keys.nil?
value = follow_path(path.to_s.split('.'))
case value
when Hash
assert_equal keys.sort, value.keys.sort
else
assert false, "Expected #{path} to be a Hash, was: #{value.inspect}"
end
end
def assert_no_json(path)
segments = path.to_s.split('.')
last_segment = segments.pop
leaf = follow_path(segments)
case leaf
when Hash
refute leaf.key?(last_segment), "Expected #{leaf.inspect} not to include #{last_segment.inspect}"
when Array
refute leaf.size > last_segment.to_i, "Expected #{leaf.inspect} to not have element at index #{last_segment.to_i}"
else
assert false, "Expected #{leaf.inspect} to be a Hash or Array"
end
end
private
def follow_path(segments)
segments.inject(parsed_json) do |object, key|
case object
when Hash
assert_includes object, key
object[key]
when Array
assert object.size > key.to_i, "#{object.inspect} have no property #{key}"
object[key.to_i]
else
assert false, "Expected #{object.inspect} to be a Hash or Array"
end
end
end
def parsed_json
@parsed_json ||= ActiveSupport::JSON.decode(response.body)
end
end
Version data entries
44 entries across 44 versions & 1 rubygems