feat: recover failed post-merge checks (Closes #1366)

tests/e2e/test_mobile_release_failure_recovery.py

@@ -0,0 +1,91 @@
+import os
+from pathlib import Path
+
+import pytest
+
+if os.getenv("STACKCHAIN_RUN_RELEASE_E2E") != "1":
+    pytest.skip("packaged release-failure recovery runs only in the browser gate", allow_module_level=True)
+pytest.importorskip("playwright.sync_api")
+from playwright.sync_api import expect, sync_playwright
+
+
+ROOT = Path(__file__).parents[2]
+FRONTEND = ROOT / "frontend"
+
+
+@pytest.mark.parametrize("viewport", [
+    {"width": 320, "height": 568},
+    {"width": 390, "height": 844},
+])
+def test_failed_release_check_is_diagnosable_and_retryable_on_phone(viewport):
+    with sync_playwright() as playwright:
+        browser = playwright.chromium.launch(headless=True)
+        page = browser.new_page(viewport=viewport)
+        page.set_content((FRONTEND / "index.html").read_text())
+        page.add_style_tag(path=FRONTEND / "dashboard.css")
+        page.add_script_tag(path=FRONTEND / "release-receipt.js")
+        result = page.evaluate("""async () => {
+          const calls=[];
+          const values=new Map();
+          const storage={
+            getItem:key=>values.get(key)||null,
+            setItem:(key,value)=>values.set(key,value),
+            removeItem:key=>values.delete(key),
+          };
+          const receipt=createReleaseReceipt({
+            storage,
+            getLogin:()=> 'timmy',
+            listNode:document.querySelector('#release-watchlist'),
+            confirmAction:()=>true,
+            fetchJson:async(path, options={})=>{
+              calls.push({path, method:options.method || 'GET'});
+              if (path.endsWith('/failure')) return {
+                commit_sha:'abc1234', run_id:91, job_index:3,
+                name:'CI / browser', excerpt:'AssertionError: mobile viewport overflow',
+              };
+              if (path.endsWith('/retry')) return {commit_sha:'abc1234', status:'queued'};
+              return {
+                commit_sha:'abc1234', ci_state:'failure', release:null,
+                checks:[{
+                  name:'CI / browser with a deliberately long workflow name',
+                  state:'failure', description:'Playwright failed at the narrow viewport',
+                  url:'https://forge.example/git/stackchain/api/actions/runs/91/jobs/3',
+                  recovery:{run_id:91, job_index:3},
+                }],
+              };
+            },
+          });
+          receipt.capture(
+            {repository:'stackchain/api-with-a-long-mobile-name', number:7, key:'stackchain/api-with-a-long-mobile-name#7'},
+            {merge_commit_sha:'abc1234'},
+          );
+          document.querySelector('#release-receipt-sheet').showModal();
+          await receipt.refresh();
+          const review=document.querySelector('.release-failure-summary button');
+          const reviewHeight=review.getBoundingClientRect().height;
+          review.click();
+          await new Promise(resolve=>setTimeout(resolve, 0));
+          const recovery=document.querySelector('.release-failure-recovery');
+          const retry=recovery.querySelector('button');
+          const retryHeight=retry.getBoundingClientRect().height;
+          const excerpt=recovery.querySelector('pre').textContent;
+          const sha=recovery.querySelector('strong').textContent;
+          const job=recovery.querySelector('a').href;
+          const overflow=document.documentElement.scrollWidth > document.documentElement.clientWidth;
+          retry.click();
+          await new Promise(resolve=>setTimeout(resolve, 0));
+          return {
+            calls, reviewHeight, retryHeight, excerpt, sha, job, overflow,
+            state:receipt.restore()[0].status.label,
+          };
+        }""")
+        expect(page.locator("#release-receipt-sheet")).to_be_visible()
+        assert result["reviewHeight"] >= 44
+        assert result["retryHeight"] >= 44
+        assert result["excerpt"] == "AssertionError: mobile viewport overflow"
+        assert result["sha"] == "Merge abc1234"
+        assert result["job"].endswith("/actions/runs/91/jobs/3")
+        assert result["overflow"] is False
+        assert result["state"] == "Checks running"
+        assert [call["method"] for call in result["calls"]] == ["GET", "GET", "POST"]
+        browser.close()