Module: Airborne::PathMatcher

Defined in:

lib/spaceborne.rb

Overview

extension to handle hash value checking

Instance Method Summary

• #ensure_array_or_hash(path, json) ⇒ Object
• #get_by_path(path, json, &block) ⇒ Object

Instance Method Details

#ensure_array_or_hash(path, json) ⇒ Object

Raises:

• (RSpec::Expectations::ExpectationNotMetError)

# File 'lib/spaceborne.rb', line 210

def ensure_array_or_hash(path, json)
  return if json.class == Array || json.class == Hash
  raise RSpec::Expectations::ExpectationNotMetError,
        "Expected #{path} to be array or hash, got #{json.class}"\
        ' from JSON response'
end

#get_by_path(path, json, &block) ⇒ Object

Raises:

• (PathError)

# File 'lib/spaceborne.rb', line 174

def get_by_path(path, json, &block)
  raise PathError, "Invalid Path, contains '..'" if /\.\./ =~ path
  type = false
  parts = path.to_s.split('.')
  parts.each_with_index do |part, index|
    if %w[* ?].include?(part)
      ensure_array_or_hash(path, json)
      type = part
      if index < parts.length.pred
        walk_with_path(type, index, path, parts, json, &block) && return
      end
      next
    end
    begin
      json = process_json(part, json)
    rescue StandardError
      raise PathError,
            "Expected #{json.class}\nto be an object with property #{part}"
    end
  end
  if type == '*'
    case json.class.name
    when 'Array'
      expect_all(json, &block)
    when 'Hash'
      json.each do |k, _v|
        yield json[k]
      end
    end
  elsif type == '?'
    expect_one(path, json, &block)
  else
    yield json
  end
end