Class: OhSnap::Registry

Inherits:
Object
  • Object
show all
Defined in:
lib/oh_snap/registry.rb

Overview

Registry is responsible for managing snapshots during a test run.

Instance Method Summary collapse

Constructor Details

#initialize(path:, serializer:, snapshots_dirname:, writable:) ⇒ Registry

Returns a new instance of Registry.



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# File 'lib/oh_snap/registry.rb', line 6

def initialize(path:, serializer:, snapshots_dirname:, writable:)
  @path = path
  @serializer = serializer
  @snapshots_dirname = snapshots_dirname
  @writable = writable
  @snapshots = {}
end

Instance Method Details

#save ⇒ Object 



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# File 'lib/oh_snap/registry.rb', line 30

def save
  return unless writable?

  Dir.mkdir(snapshots_path) unless Dir.exist?(snapshots_path)

  @snapshots.each do |name, snapshot|
    dump(name, snapshot)
  end
end

#snapshot(name:) ⇒ Object 



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# File 'lib/oh_snap/registry.rb', line 14

def snapshot(name:)
  return @snapshots[name] if @snapshots&.key?(name)

  unless File.exist?(snapshot_path(name))
    return @snapshots[name] = @serializer.load('') unless writable?

    return @snapshots[name] = @serializer.load(nil)
  end

  File.open(snapshot_path(name), 'r') do |file|
    @snapshots[name] = @serializer.load(file.read)
  end

  @snapshots[name]
end