class Steep::Expectations

def self.empty
  new()
end

def self.load(path:, content:)
  expectations = new()
  YAML.load(content, filename: path.to_s).each do |entry|
    file = Pathname(entry["file"])
    expectations.diagnostics[file] =
      entry["diagnostics"].map {|hash| Diagnostic.from_hash(hash) }.sort_by!(&:sort_key)
  end
  expectations
end

def initialize()
  @diagnostics = {}
end

def test(path:, diagnostics:)
  TestResult.new(path: path, expectation: self.diagnostics[path] || [], actual: diagnostics)
end

def to_yaml
  array = [] #: Array[{ "file" => String, "diagnostics" => Array[untyped] }]
  diagnostics.each_key.sort.each do |key|
    ds = diagnostics[key]
    array << {
      "file" => key.to_s,
      'diagnostics' => ds.sort_by(&:sort_key).map(&:to_hash)
    }
  end
  YAML.dump(array)
end