How to use the jest-image-snapshot/src/diff-snapshot.diffImageToSnapshot function in jest-image-snapshot

To help you get started, weโ€™ve selected a few jest-image-snapshot examples, based on popular ways it is used in public projects.

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github palmerhq / cypress-image-snapshot / src / plugin.js View on Github external
);
  const snapshotDotPath = path.join(
    snapshotsDir,
    `${snapshotIdentifier}${dotSnap}`
  );

  const diffDir = customDiffDir
    ? path.join(process.cwd(), customDiffDir, relativePath)
    : path.join(snapshotsDir, '__diff_output__');
  const diffDotPath = path.join(diffDir, `${snapshotIdentifier}${dotDiff}`);

  if (fs.pathExistsSync(snapshotDotPath)) {
    fs.copySync(snapshotDotPath, snapshotKebabPath);
  }

  snapshotResult = diffImageToSnapshot({
    snapshotsDir,
    diffDir,
    receivedImageBuffer,
    snapshotIdentifier,
    failureThreshold,
    failureThresholdType,
    updateSnapshot: updateSnapshots,
    ...options,
  });

  const { pass, added, updated, diffOutputPath } = snapshotResult;

  if (!pass && !added && !updated) {
    fs.copySync(diffOutputPath, diffDotPath);
    fs.removeSync(diffOutputPath);
    fs.removeSync(snapshotKebabPath);

jest-image-snapshot

Jest matcher for image comparisons. Most commonly used for visual regression testing.

Apache-2.0
Latest version published 2 months ago

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