From 2a16ee02bec947c6049eb3bf5064d6e7f69918a1 Mon Sep 17 00:00:00 2001
From: Alan Agius <17563226+alan-agius4@users.noreply.github.com>
Date: Thu, 1 Oct 2026 09:15:00 +0000
Subject: [PATCH] build: increase Bazel shard counts for slow integration test
 targets

Increase Bazel test shard counts for slow integration test targets to improve CI execution times:
- //packages/angular/build:unit-test_integration_tests: 5 -> 10
- //packages/angular/build:library_integration_tests: 4 -> 6
- //packages/angular_devkit/build_angular:build_angular_dev-server_test: 10 -> 12
- //packages/angular_devkit/build_angular:build_angular_karma_test: 6 -> 10
- //packages/angular_devkit/build_angular:build_angular_server_test: 2 -> 6
- //packages/angular_devkit/build_angular:build_angular_browser_test: 10 -> 20
- //packages/angular_devkit/build_angular:build_angular_prerender_test: 2 -> 4
---
 packages/angular/build/BUILD.bazel                |  4 ++--
 packages/angular_devkit/build_angular/BUILD.bazel | 11 +++++++----
 2 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/packages/angular/build/BUILD.bazel b/packages/angular/build/BUILD.bazel
index bcce4dc9b3de..bf6c034292df 100644
--- a/packages/angular/build/BUILD.bazel
+++ b/packages/angular/build/BUILD.bazel
@@ -354,14 +354,14 @@ jasmine_test(
     name = "unit-test_integration_tests",
     size = "medium",
     data = [":unit-test_integration_test_lib"],
-    shard_count = 5,
+    shard_count = 10,
 )
 
 jasmine_test(
     name = "library_integration_tests",
     size = "medium",
     data = [":library_integration_test_lib"],
-    shard_count = 4,
+    shard_count = 6,
 )
 
 genrule(
diff --git a/packages/angular_devkit/build_angular/BUILD.bazel b/packages/angular_devkit/build_angular/BUILD.bazel
index e8b61f0e8785..14f0b9731b76 100644
--- a/packages/angular_devkit/build_angular/BUILD.bazel
+++ b/packages/angular_devkit/build_angular/BUILD.bazel
@@ -281,7 +281,7 @@ ts_project(
 LARGE_SPECS = {
     "app-shell": {},
     "dev-server": {
-        "shards": 10,
+        "shards": 12,
         "size": "large",
         "flaky": True,
         "extra_deps": [
@@ -294,7 +294,7 @@ LARGE_SPECS = {
     },
     "extract-i18n": {},
     "karma": {
-        "shards": 6,
+        "shards": 10,
         "size": "large",
         "flaky": True,
         "extra_deps": [
@@ -309,6 +309,7 @@ LARGE_SPECS = {
         ],
     },
     "server": {
+        "shards": 6,
         "size": "large",
         "extra_deps": [
             "//:node_modules/@angular/animations",
@@ -317,7 +318,7 @@ LARGE_SPECS = {
     "ng-packagr": {
     },
     "browser": {
-        "shards": 10,
+        "shards": 20,
         "size": "large",
         "flaky": True,
         "extra_deps": [
@@ -327,7 +328,9 @@ LARGE_SPECS = {
             "//:node_modules/ajv",
         ],
     },
-    "prerender": {},
+    "prerender": {
+        "shards": 4,
+    },
     "browser-esbuild": {},
     "ssr-dev-server": {
         "extra_deps": [