Class: Rematch

Inherits:
Object
  • Object
show all
Defined in:
lib/rematch.rb,
lib/rematch/store.rb,
lib/rematch/source.rb

Overview

Handles the key/value store for each test file

Defined Under Namespace

Classes: Source, Store

Constant Summary collapse

VERSION = 
'5.0.2'
CONFIG =

rubocop:disable Style/MutableConstant

{ ext: '.yaml' }

Class Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(test) ⇒ Rematch

Returns a new instance of Rematch.



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# File 'lib/rematch.rb', line 46

def initialize(test)
  @path   = test.method(test.name).source_location.first
  @env    = self.class.environment(@path)
  @counts = Hash.new(0) # Track rematch counts per line
end

Class Attribute Details

.cache ⇒ Object

Returns the value of attribute cache.



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# File 'lib/rematch.rb', line 19

def cache
  @cache
end

.rebuild ⇒ Object

Returns the value of attribute rebuild.



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# File 'lib/rematch.rb', line 19

def rebuild
  @rebuild
end

.skip_warning ⇒ Object

Returns the value of attribute skip_warning.



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# File 'lib/rematch.rb', line 19

def skip_warning
  @skip_warning
end

Class Method Details

.check_rebuild(path) ⇒ Object 



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# File 'lib/rematch.rb', line 21

def check_rebuild(path)
  return unless @rebuild && !@rebuilt.include?(path)

  FileUtils.rm_f(path)
  @rebuilt << path
  puts "Rebuilt #{path}"
end

.environment(path) ⇒ Object

Get source and store for the test file (cached because invoked for every test in the file)



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# File 'lib/rematch.rb', line 33

def environment(path)
  return cache[path] if cache[path]

  store_path = "#{path}#{CONFIG[:ext]}"
  check_rebuild(store_path)

  source      = Source.new(File.read(path))
  source_ids  = source.index.values.flatten.to_set
  store       = Store.new(store_path, source_ids)
  cache[path] = { source: source, store: store }
end

.extract_label(args) ⇒ Object

Utility used by the plugin to extract label from args (kept for compatibility)



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# File 'lib/rematch.rb', line 30

def extract_label(args) = ((args.last.is_a?(Hash) && args.last.key?(:label) && args.pop) || {})[:label]

Instance Method Details

#rematch(value, overwrite: nil, label: nil) ⇒ Object

Retrieves the stored value for the current assertion, updating the store if the key is new or moved.



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# File 'lib/rematch.rb', line 53

def rematch(value, overwrite: nil, label: nil)
  lineno = caller_locations.find { |l| l.path == @path }&.lineno
  ids    = @env[:source].index[lineno]
  raise "Rematch Error: No code detected at #{@path}:#{lineno}. Please check syntax." if ids.empty? # never happen

  count   = (@counts[lineno] += 1)
  id      = ids[(count - 1) % ids.size]
  new_key = %(L#{lineno}#{".#{count}" if count > 1}#{" [#{label}]" if label} #{id})
  store   = @env[:store]
  old_key = store.pull(id)
  if old_key && old_key != new_key  # Reconcile Move first to ensure clean state
    store[new_key] = store.delete(old_key)
    old_key        = new_key   # Normalize so we only check the verwrite logic below
  end
  case
  when !old_key
    warn "Rematch stored new value generated by: #{@path}:#{lineno}\n" unless overwrite || self.class.skip_warning
    store[new_key] = value
  when overwrite
    store[new_key] = value
  else
    store[new_key]
  end
end

#save ⇒ Object 



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# File 'lib/rematch.rb', line 78

def save = @env[:store].save