Class: Datadog::CI::ImpactedTestsDetection::Component

Inherits:
Object
  • Object
show all
Defined in:
lib/datadog/ci/impacted_tests_detection/component.rb

Instance Method Summary collapse

Constructor Details

#initialize(enabled:) ⇒ Component

Returns a new instance of Component.



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# File 'lib/datadog/ci/impacted_tests_detection/component.rb', line 13

def initialize(enabled:)
  @enabled = enabled
  @changed_files = Set.new
end

Instance Method Details

#configure(library_settings, test_session) ⇒ Object 



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# File 'lib/datadog/ci/impacted_tests_detection/component.rb', line 18

def configure(library_settings, test_session)
  @enabled &&= library_settings.impacted_tests_enabled?

  return unless @enabled

  # we must unshallow the repository before trying to find base_commit_sha or executing `git diff` command
  git_tree_upload_worker.wait_until_done

  base_commit_sha = test_session.base_commit_sha || Git::LocalRepository.base_commit_sha
  if base_commit_sha.nil?
    Datadog.logger.debug { "Impacted tests detection disabled: base commit not found" }
    @enabled = false
    return
  end

  changed_files = Git::LocalRepository.get_changed_files_from_diff(base_commit_sha)
  if changed_files.nil?
    Datadog.logger.debug { "Impacted tests detection disabled: could not get changed files" }
    @enabled = false
    return
  end

  Datadog.logger.debug do
    "Impacted tests detection: found #{changed_files.size} changed files"
  end
  Datadog.logger.debug do
    "Impacted tests detection: changed files: #{changed_files.inspect}"
  end

  @changed_files = changed_files
  @enabled = true
end

#enabled? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/datadog/ci/impacted_tests_detection/component.rb', line 51

def enabled?
  @enabled
end

#modified?(test_span) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/datadog/ci/impacted_tests_detection/component.rb', line 55

def modified?(test_span)
  return false unless enabled?

  source_file = test_span.source_file
  return false if source_file.nil?

  @changed_files.include?(source_file)
end

#tag_modified_test(test_span) ⇒ Object 



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# File 'lib/datadog/ci/impacted_tests_detection/component.rb', line 64

def tag_modified_test(test_span)
  return unless modified?(test_span)

  Datadog.logger.debug do
    "Impacted tests detection: test #{test_span.name} with source file #{test_span.source_file} is modified"
  end

  test_span.set_tag(Ext::Test::TAG_TEST_IS_MODIFIED, "true")
  Telemetry.impacted_test_detected
end