# frozen_string_literal: true

module ResponseHelpers
  private

  def verify_status(value, expect)
    assert value == expect, "status assertion failed: #{value} (expected: #{expect})"
  end

  %w(header param).each do |meth|
    class_eval <<-DEFINE, __FILE__, __LINE__ + 1
      def verify_#{meth}(#{meth}s, key, expect)
        assert #{meth}s.key?(key), "#{meth}s don't contain the given key (\#{key})"
        value = #{meth}s[key]
        if value.respond_to?(:start_with?)
          assert value.start_with?(expect), "#{meth} assertion failed: \#{key}=\#{value} (expected: \#{expect}})"
        else
          assert value == expect, "#{meth} assertion failed: \#{key}=\#{value.to_s} (expected: \#{expect.to_s})"
        end
      end

      def verify_no_#{meth}(#{meth}s, key)
        assert !#{meth}s.key?(key), "#{meth}s contains the given key (" + key + "=\#{#{meth}s[key]})"
      end
    DEFINE
  end

  def verify_body_length(response, expect=response.headers["content-length"].to_i)
    len = response.body.to_s.bytesize
    assert len == expect, "length assertion failed: #{len} (expected: #{expect})"
  end

end