Module: Thaum::Snapshot

Defined in:
lib/thaum/minitest.rb

Overview

Internal helpers — not part of the public API.

Class Method Summary collapse

Class Method Details

.compare(test:, actual:, path:, name:) ⇒ Object 



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# File 'lib/thaum/minitest.rb', line 40

def compare(test:, actual:, path:, name:)
  missing = !File.exist?(path)
  if missing || SnapshotMatcher.update_mode?
    write(path: path, actual: actual)
    warn "[Thaum] wrote new snapshot #{name} (#{path})" if missing
    test.assert(true)
    return
  end

  expected = File.read(path)
  test.assert_equal(
    expected, actual,
    "Snapshot \"#{name}\" mismatch (#{path}). " \
    "Run with UPDATE_SNAPSHOTS=1 to rewrite if the new output is correct."
  )
end

.path_for(name:, actual:) ⇒ Object 



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# File 'lib/thaum/minitest.rb', line 34

def path_for(name:, actual:)
  ext  = actual.include?(SnapshotMatcher::ANSI_INDICATOR) ? "ans" : "txt"
  root = SnapshotMatcher::SNAPSHOT_ROOT_CANDIDATES.find { |d| Dir.exist?(d) } || "test/snapshots"
  File.join(root, "#{name}.#{ext}")
end

.write(path:, actual:) ⇒ Object 



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# File 'lib/thaum/minitest.rb', line 57

def write(path:, actual:)
  FileUtils.mkdir_p(File.dirname(path))
  File.write(path, actual)
end