From 4d752428d93b18b69c28acdbd9aa821a517db73a Mon Sep 17 00:00:00 2001
From: d-goog <188102366+d-goog@users.noreply.github.com>
Date: Thu, 21 Nov 2024 14:37:21 -0800
Subject: [PATCH] chore: fix `npm` for Node v18 samples tests (#2043)

chore: fix `npm` for samples tests
---
 synthtool/gcp/templates/node_library/.kokoro/samples-test.sh | 4 +++-
 tests/fixtures/nodejs_mono_repo_esm/.kokoro/samples-test.sh  | 4 +++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/synthtool/gcp/templates/node_library/.kokoro/samples-test.sh b/synthtool/gcp/templates/node_library/.kokoro/samples-test.sh
index 59098966f..e07413af6 100755
--- a/synthtool/gcp/templates/node_library/.kokoro/samples-test.sh
+++ b/synthtool/gcp/templates/node_library/.kokoro/samples-test.sh
@@ -16,7 +16,9 @@
 
 set -eo pipefail
 
-export NPM_CONFIG_PREFIX=${HOME}/.npm-global
+# Ensure the npm global directory is writable, otherwise rebuild `npm`
+mkdir -p $NPM_CONFIG_PREFIX
+npm config -g ls || npm i -g npm@`npm --version`
 
 # Setup service account credentials.
 export GOOGLE_APPLICATION_CREDENTIALS=${KOKORO_GFILE_DIR}/secret_manager/long-door-651-kokoro-system-test-service-account
diff --git a/tests/fixtures/nodejs_mono_repo_esm/.kokoro/samples-test.sh b/tests/fixtures/nodejs_mono_repo_esm/.kokoro/samples-test.sh
index 950f84834..c6551d57d 100644
--- a/tests/fixtures/nodejs_mono_repo_esm/.kokoro/samples-test.sh
+++ b/tests/fixtures/nodejs_mono_repo_esm/.kokoro/samples-test.sh
@@ -16,7 +16,9 @@
 
 set -eo pipefail
 
-export NPM_CONFIG_PREFIX=${HOME}/.npm-global
+# Ensure the npm global directory is writable, otherwise rebuild `npm`
+mkdir -p $NPM_CONFIG_PREFIX
+npm config -g ls || npm i -g npm@`npm --version`
 
 # Setup service account credentials.
 export GOOGLE_APPLICATION_CREDENTIALS=${KOKORO_GFILE_DIR}/service-account.json