Class: Vial::Compiler

Inherits:
Object
  • Object
show all
Defined in:
lib/vial/compiler.rb

Defined Under Namespace

Classes: CleanResult, CompileResult

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(config:, source_paths: nil, output_path: nil, seed: nil) ⇒ Compiler

Returns a new instance of Compiler.



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# File 'lib/vial/compiler.rb', line 9

def initialize(config:, source_paths: nil, output_path: nil, seed: nil)
  @config = config
  @source_paths = Array(source_paths || config.source_paths)
  @output_path = output_path || config.output_path
  @seed = seed || config.seed
end

Instance Attribute Details

#config ⇒ Object (readonly)

Returns the value of attribute config.



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# File 'lib/vial/compiler.rb', line 7

def config
  @config
end

#output_path ⇒ Object (readonly)

Returns the value of attribute output_path.



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# File 'lib/vial/compiler.rb', line 7

def output_path
  @output_path
end

#seed ⇒ Object (readonly)

Returns the value of attribute seed.



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# File 'lib/vial/compiler.rb', line 7

def seed
  @seed
end

#source_paths ⇒ Object (readonly)

Returns the value of attribute source_paths.



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# File 'lib/vial/compiler.rb', line 7

def source_paths
  @source_paths
end

Instance Method Details

#clean! ⇒ Object 



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# File 'lib/vial/compiler.rb', line 68

def clean!
  Vial.load_sources!(source_paths: @source_paths)
  definitions = Vial.registry.definitions
  expected = expected_fixture_paths(definitions)
  manifest = read_manifest

  if manifest.empty?
    warn "Vial: no manifest found; nothing to clean"
    return CleanResult.new(status: :no_manifest, removed: [])
  end

  removed = []
  manifest.each do |relative_path|
    next if expected.include?(relative_path)

    file_path = File.join(@output_path.to_s, relative_path)
    next unless File.exist?(file_path)

    File.delete(file_path)
    removed << file_path
  end

  write_manifest(expected)
  CleanResult.new(status: :cleaned, removed: removed)
end

#compile!(dry_run: false, only: nil) ⇒ Object 



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# File 'lib/vial/compiler.rb', line 16

def compile!(dry_run: false, only: nil)
  previous_seed = srand(@seed)
  Vial.load_sources!(source_paths: @source_paths)

  definitions = Vial.registry.definitions
  if definitions.empty?
    warn "Vial: no vial definitions found in #{@source_paths.join(', ')}"
    return CompileResult.new(status: :no_definitions, files: [], output_path: @output_path.to_s)
  end

  selected_definitions = filter_definitions(definitions, only)
  if selected_definitions.empty?
    warn "Vial: no matching vials to compile"
    return CompileResult.new(status: :no_definitions, files: [], output_path: @output_path.to_s)
  end

  warn_about_unused_sequences(definitions)

  records_by_definition = definitions.each_with_object([]) do |definition, entries|
    next if definition.abstract?
    entries << { definition: definition, records: definition.build_records }
  end

  total_records = records_by_definition.sum { |entry| entry[:records].size }
  if total_records == 0
    warn "Vial: no records generated (all definitions are abstract or missing generate calls)"
    return CompileResult.new(status: :no_records, files: [], output_path: @output_path.to_s)
  end

  Validator.new(records_by_definition).validate!

  warn_if_output_path_unconfigured

  selected_names = selected_definitions.map(&:name).to_set
  selected_records = records_by_definition.select { |entry| selected_names.include?(entry[:definition].name) }
  files_to_write = selected_records.map { |entry| fixture_path_for(entry[:definition]) }

  if dry_run
    return CompileResult.new(status: :dry_run, files: files_to_write, output_path: @output_path.to_s)
  end

  selected_records.each do |entry|
    write_fixture(entry[:definition], entry[:records])
  end

  write_manifest(expected_fixture_paths(definitions))

  CompileResult.new(status: :compiled, files: files_to_write, output_path: @output_path.to_s)
ensure
  srand(previous_seed) unless previous_seed.nil?
end