From eca2f728ce62ca164c88a81f445c7ed43bafd217 Mon Sep 17 00:00:00 2001
From: mimo <mimo@pixiv.co.jp>
Date: Thu, 15 Feb 2024 15:23:34 +0900
Subject: [PATCH] feat: add archiving diff_output workflow

---
 .github/workflows/test.yml | 14 ++++++++++++++
 .storybook/test-runner.ts  |  2 ++
 2 files changed, 16 insertions(+)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 31aa00b28..100d10404 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -63,6 +63,20 @@ jobs:
             "npx http-server storybook-static --port 6006 --silent" \
             "npx wait-on tcp:127.0.0.1:6006 && yarn test-storybook"
 
+      - name: Check __diff_output__ existence
+        id: check_diff_output_dir
+        if: ${{ always() }}
+        uses: andstor/file-existence-action@v1
+        with:
+          files: '__diff_output__/'
+
+      - name: Archive image snapshot diffs
+        uses: actions/upload-artifact@v4
+        if: steps.check_diff_output_dir.outputs.files_exists == 'true' && ${{ always() }}
+        with:
+          name: upload_diff_output
+          path: __diff_output__/
+
   lint:
     runs-on: ubuntu-latest
     steps:
diff --git a/.storybook/test-runner.ts b/.storybook/test-runner.ts
index f83ca7502..74c3d7ec2 100644
--- a/.storybook/test-runner.ts
+++ b/.storybook/test-runner.ts
@@ -11,6 +11,8 @@ const config: TestRunnerConfig = {
     expect(image).toMatchImageSnapshot({
       customSnapshotIdentifier: context.id,
       customDiffDir: `${process.cwd()}/__diff_output__`,
+      failureThresholdType: 'percent',
+      failureThreshold: 0.001,
     })
   },
   tags: {