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Contents
require 'json-schema'
# https://github.com/ruby-json-schema/json-schema
module Validator
class JsonSchema < Base
def initialize(files_to_validate)
@files_to_validate = files_to_validate
@meta_schema_path = "#{File.dirname(__FILE__)}/schema.json"
# need to know the base dir of the schema to resolve relative uris.
# see below.
@schemadir = File.dirname(@files_to_validate[0])
end
# @param [String] schema to test against the meta schema
def validate(schema)
schema_to_test = JSON.parse(schema)
begin
result = JSON::Validator.fully_validate(@meta_schema_path, schema_to_test)
if !result || result.length == 0
success << schema_to_test['title'] || schema_to_test.keys[0]
else
errors << "Schema validation failed: #{schema_to_test['title']}\n#{result.join("\n")}"
end
rescue => e
errors << "Schema validation failed: #{schema_to_test['title']}\n#{e}"
# puts e.backtrace
end
end
def use_for_validation(schema)
schema_to_test = JSON.parse(schema)
# json-schema resolves relatives path relative to it's own "."
# not relative to the file containing the reference ...
base_dir = Dir.pwd
begin
Dir.chdir @schemadir
data = {}
result = JSON::Validator.fully_validate(schema_to_test, data)
if !result || result.length == 0
success << schema_to_test['title']
else
errors << "Data validation failed: #{schema_to_test['title']}\n#{result.join("\n")}"
end
ensure
Dir.chdir base_dir
end
end
end
end
Version data entries
15 entries across 15 versions & 1 rubygems