Handle errors when getting failed test groups from previous build (#17)

Author: yqiu24

javascript/src/queue/Worker.ts

@@ -94,15 +94,23 @@ export class Worker extends BaseRunner {
   async populate(tests: string[], seed?: number) {
     if (this.config.retriedBuildId) {
       console.log(`[ci-queue] Retrying failed tests for build ${this.config.retriedBuildId}`);
-      const failedTestGroups = await this.getFailedTestGroupsFromPreviousBuild();
-      console.log(`[ci-queue] Failed test groups: ${failedTestGroups}`);
-      await this.push(failedTestGroups);
-    } else {
-      if (seed !== undefined) {
-        tests = shuffleArray(tests, seed);
+      try {
+        const failedTestGroups = await this.getFailedTestGroupsFromPreviousBuild();
+        console.log(`[ci-queue] Failed test groups: ${failedTestGroups}`);
+        await this.push(failedTestGroups);
+        return;
+      } catch (e) {
+        // If the previous build is still in-progress, getFailedTestGroupsFromPreviousBuild will fail
+        // In this case, we want to continue processing the original tests
+        console.error('[ci-queue] Failed to get failed test groups from previous build', e);
+        console.log('[ci-queue] Continuing with original tests');
       }
-      await this.push(tests);
-    } 
+    }
+
+    if (seed !== undefined) {
+      tests = shuffleArray(tests, seed);
+    }
+    await this.push(tests);
   }
 
   shutdown() {