Delay iOS PR comment until the public simulator list is ready

actions/run-ios-comment-session/action.yml

@@ -545,6 +545,58 @@ runs:
         fi
         date +%s > /tmp/sim-boot-end
 
+    - name: Wait for public SimDeck iOS session access
+      shell: bash
+      run: |
+        set -euo pipefail
+
+        udid="${SIMULATOR_UDID}"
+        public_simulators_url="${{ steps.stream.outputs.url }}/api/simulators?simdeckToken=${{ steps.stream.outputs.access_token }}"
+        tunnel_host="${{ steps.stream.outputs.url }}"
+        tunnel_host="${tunnel_host#https://}"
+        tunnel_host="${tunnel_host%%/*}"
+
+        fetch_public_simulators() {
+          curl -fsS "${public_simulators_url}" -o public-simulators.json ||
+            curl -fsS --resolve "${tunnel_host}:443:104.16.230.132" "${public_simulators_url}" -o public-simulators.json ||
+            curl -fsS --resolve "${tunnel_host}:443:104.16.231.132" "${public_simulators_url}" -o public-simulators.json
+        }
+
+        verify_selected_simulator() {
+          SIMDECK_READY_UDID="${udid}" python3 - <<'PY'
+        import json
+        import os
+
+        with open("public-simulators.json", "r", encoding="utf-8") as handle:
+            data = json.load(handle)
+
+        udid = os.environ["SIMDECK_READY_UDID"]
+        simulators = data.get("simulators", data if isinstance(data, list) else [])
+        for simulator in simulators:
+            if simulator.get("udid") == udid and simulator.get("isBooted") is True:
+                raise SystemExit(0)
+
+        raise SystemExit(1)
+        PY
+        }
+
+        for attempt in {1..120}; do
+          if fetch_public_simulators && verify_selected_simulator; then
+            echo "Public SimDeck URL lists booted simulator ${udid}."
+            exit 0
+          fi
+          echo "Waiting for public SimDeck simulator list (${attempt}/120)."
+          sleep 1
+        done
+
+        echo "SimDeck public simulator list did not become accessible for ${udid}" >&2
+        if [[ -f public-simulators.json ]]; then
+          cat public-simulators.json >&2 || true
+        fi
+        cat cloudflared.log >&2 || true
+        cat simdeck-daemon.log >&2 || true
+        exit 1
+
     - name: Update status comment with booted simulator URL
       shell: bash
       run: |

docs/guide/github-actions.md

@@ -192,5 +192,5 @@ Supported quality values include `tiny`, `low`, `economy`, `fast`, `smooth`, `ba
 - Picks or creates an iOS Simulator or Android emulator.
 - Downloads the app artifact for the PR head commit.
 - Installs and launches the app.
-- Posts a browser URL back to the pull request after the simulator or emulator is booted.
+- Posts a browser URL back to the pull request after the simulator or emulator is booted. The iOS action waits until the public URL can load the selected booted simulator from `/api/simulators`.
 - Stops after the configured keepalive window.

package.json

@@ -64,7 +64,7 @@
     "format": "prettier --write . && cargo fmt --manifest-path server/Cargo.toml",
     "format:check": "prettier --check . && cargo fmt --manifest-path server/Cargo.toml --check",
     "lint": "npm run format:check && cargo clippy --manifest-path server/Cargo.toml --all-targets -- -D warnings && npm run --prefix client typecheck",
-    "test": "cargo test --manifest-path server/Cargo.toml && npm run --prefix client test",
+    "test": "cargo test --manifest-path server/Cargo.toml && npm run --prefix client test && npm run test:github-actions",
     "test:integration:cli": "node scripts/integration/cli.mjs",
     "test:integration:cli:verbose": "SIMDECK_INTEGRATION_VERBOSE=1 SIMDECK_INTEGRATION_SHOW_SIMULATOR=1 node scripts/integration/cli.mjs",
     "test:integration:fixture": "node scripts/integration/prebuild-fixture.mjs",
@@ -77,6 +77,7 @@
     "test:e2e:webrtc:headed": "SIMDECK_E2E_HEADFUL=1 node scripts/e2e-webrtc-reliability.mjs",
     "test:e2e:webrtc:stress": "node scripts/e2e-webrtc-stress.mjs",
     "test:studio-provider": "node --test scripts/studio-provider-bridge.test.mjs scripts/studio-host-provider.test.mjs",
+    "test:github-actions": "node --test scripts/github-actions.test.mjs",
     "test:stress": "node scripts/stress/simdeck.mjs",
     "bench:encoder:build": "scripts/bench/build-encoder-benchmark.sh",
     "ci": "npm run lint && npm run build:all && npm run test && npm run package:vscode-extension",

scripts/github-actions.test.mjs

@@ -0,0 +1,52 @@
+import assert from "node:assert/strict";
+import { readFileSync } from "node:fs";
+import { test } from "node:test";
+
+const iosAction = readFileSync(
+  new URL("../actions/run-ios-comment-session/action.yml", import.meta.url),
+  "utf8",
+);
+
+test("iOS PR comment waits for public simulator list access", () => {
+  const prebootIndex = iosAction.indexOf(
+    "- name: Select and preboot simulator",
+  );
+  const readinessIndex = iosAction.indexOf(
+    "- name: Wait for public SimDeck iOS session access",
+  );
+  const commentIndex = iosAction.indexOf(
+    "- name: Update status comment with booted simulator URL",
+  );
+
+  assert.notEqual(prebootIndex, -1, "preboot step should exist");
+  assert.notEqual(
+    commentIndex,
+    -1,
+    "booted simulator comment step should exist",
+  );
+  assert(
+    readinessIndex > prebootIndex,
+    "readiness check should run after simulator preboot",
+  );
+  assert(
+    readinessIndex < commentIndex,
+    "readiness check should run before posting the PR URL",
+  );
+
+  const readinessStep = iosAction.slice(readinessIndex, commentIndex);
+  assert.match(
+    readinessStep,
+    /\$\{\{ steps\.stream\.outputs\.url \}\}\/api\/simulators\?simdeckToken=/,
+    "readiness check should use the public tunnel URL",
+  );
+  assert.match(
+    readinessStep,
+    /SIMULATOR_UDID/,
+    "readiness check should look for the selected simulator",
+  );
+  assert.match(
+    readinessStep,
+    /isBooted/,
+    "readiness check should require the selected simulator to be booted",
+  );
+});