Class: ActiveMutator::Runner

Inherits:
Object
  • Object
show all
Defined in:
lib/active_mutator/runner.rb

Instance Method Summary collapse

Constructor Details

#initialize(config, reporter: nil) ⇒ Runner

Returns a new instance of Runner.



3
4
5
6
 
# File 'lib/active_mutator/runner.rb', line 3

def initialize(config, reporter: nil)
  @config = config
  @reporter = reporter || build_reporter
end

Instance Method Details

#call ⇒ Object 



8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
 
# File 'lib/active_mutator/runner.rb', line 8

def call
  ENV["ACTIVE_MUTATOR"] = "1"
  preload!
  preload_spec_helper!
  map = Baseline.new(root: @config.root).coverage_map(force: @config.force_baseline)
  subjects = discover_subjects
  analyses = subjects.map { |s| Engine.new.analyze(s) }
  mutations = analyses.flat_map(&:mutations)
  invalid_count = analyses.sum(&:invalid_count)

  fingerprints = Fingerprint.for_mutations(mutations, root: @config.root)
  ledger = AcceptedLedger.load(@config.root)
  warn_stale(ledger, fingerprints.values)

  items, pre_results = plan_work(mutations, map, ledger: ledger, fingerprints: fingerprints)
  pre_results.each { |r| @reporter.on_result(r) }
  scheduler = Scheduler.new(jobs: @config.jobs, on_result: @reporter.method(:on_result))
  results = scheduler.run(items) + pre_results

  accept_survivors!(ledger, results, fingerprints) if @config.accept_survivors

  @reporter.summary(results, invalid_count: invalid_count)
  exit_code(results)
end

#exit_code(results) ⇒ Object 



55
56
57
 
# File 'lib/active_mutator/runner.rb', line 55

def exit_code(results)
  results.any? { |r| r.status == :survived } ? 1 : 0
end

#plan_work(mutations, map, ledger: nil, fingerprints: {}) ⇒ Object

Returns [work_items, pre_results]. Public for unit testing.



34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
 
# File 'lib/active_mutator/runner.rb', line 34

def plan_work(mutations, map, ledger: nil, fingerprints: {})
  items = []
  pre_results = []
  mutations.each do |mutation|
    if ledger&.accepted?(fingerprints[mutation])
      pre_results << Result.new(mutation: mutation, status: :accepted, details: nil)
      next
    end
    example_ids = map.examples_for(mutation.subject.file, mutation.lines)
    if example_ids.empty?
      pre_results << Result.new(mutation: mutation, status: :uncovered, details: nil)
    else
      lane = example_ids.any? { |id| serial_example?(id) } ? :serial : :parallel
      timeout = map.time_for(example_ids) * @config.timeout_factor + @config.timeout_floor
      timeout += @config.browser_boot_seconds if lane == :serial
      items << WorkItem.new(mutation: mutation, example_ids: example_ids, timeout: timeout, lane: lane)
    end
  end
  [items, pre_results]
end