feat: delete merged source branches safely (Closes #1364)

tests/e2e/test_mobile_source_branch_cleanup_release.py

@@ -0,0 +1,67 @@
+import os
+from pathlib import Path
+
+import pytest
+
+if os.getenv("STACKCHAIN_RUN_RELEASE_E2E") != "1":
+    pytest.skip("packaged branch-cleanup journey 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_merged_source_branch_cleanup_is_phone_openable_and_exact(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, body:options.body});
+              return {deleted:true, source_branch:'timmy/feature', source_head_sha:'abc1234'};
+            },
+          });
+          receipt.capture(
+            {repository:'stackchain/api', number:7, key:'stackchain/api#7'},
+            {merge_commit_sha:'merge456', source_branch:'timmy/feature', source_head_sha:'abc1234', source_repository:'stackchain/api'},
+          );
+          document.querySelector('#release-receipt-sheet').showModal();
+          const button=document.querySelector('.release-watchlist-actions button');
+          const box=button.getBoundingClientRect();
+          const label=button.getAttribute('aria-label');
+          button.click();
+          await new Promise(resolve=>setTimeout(resolve, 0));
+          return {
+            calls, label, height:box.height,
+            branch:document.querySelector('.release-branch-cleanup-status').textContent,
+            overflow:document.documentElement.scrollWidth > document.documentElement.clientWidth,
+          };
+        }""")
+        expect(page.locator("#release-receipt-sheet")).to_be_visible()
+        assert result["height"] >= 44
+        assert result["label"] == "Delete merged source branch timmy/feature at abc1234"
+        assert result["calls"][0]["method"] == "DELETE"
+        assert result["branch"] == "Branch timmy/feature · deleted"
+        assert result["overflow"] is False
+        browser.close()