1 files changed, 39 insertions, 34 deletions
diff --git a/packages/monorepo-scripts/src/test_installation.ts b/packages/monorepo-scripts/src/test_installation.ts
index 5ae13b198..822f48967 100644
--- a/packages/monorepo-scripts/src/test_installation.ts
+++ b/packages/monorepo-scripts/src/test_installation.ts
@@ -45,45 +45,50 @@ function logIfDefined(x: any): void {
     const IS_LOCAL_PUBLISH = process.env.IS_LOCAL_PUBLISH === 'true';
     const registry = IS_LOCAL_PUBLISH ? 'http://localhost:4873/' : 'https://registry.npmjs.org/';
     const monorepoRootPath = path.join(__dirname, '../../..');
-    const packages = utils.getPackages(monorepoRootPath);
+    // We sort error messages according to package topology so that we can see
+    // them in a more intuitive order. E.g. if package A has an error and
+    // package B imports it, the tests for both package A and package B will
+    // fail. But package B only fails because of an error in package A.
+    // Since the error in package A is the root cause, we log it first.
+    const packages = utils.getTopologicallySortedPackages(monorepoRootPath);
     const installablePackages = _.filter(
         packages,
         pkg => !pkg.packageJson.private && !_.isUndefined(pkg.packageJson.main) && pkg.packageJson.main.endsWith('.js'),
     );
-    utils.log('Testing packages:');
-    _.map(installablePackages, pkg => utils.log(`* ${pkg.packageJson.name}`));
-    // Run all package tests asynchronously and push promises into an array so
-    // we can wait for all of them to resolve.
-    const promises: Array<Promise<void>> = [];
-    const errors: PackageErr[] = [];
-    for (const installablePackage of installablePackages) {
-        const packagePromise = testInstallPackageAsync(monorepoRootPath, registry, installablePackage).catch(error => {
-            errors.push({ packageName: installablePackage.packageJson.name, error });
-        });
-        promises.push(packagePromise);
-    }
-    await Promise.all(promises);
-    if (errors.length > 0) {
-        // We sort error messages according to package topology so that we can
-        // them in a more intuitive order. E.g. if package A has an error and
-        // package B imports it, the tests for both package A and package B will
-        // fail. But package B only fails because of an error in package A.
-        // Since the error in package A is the root cause, we log it first.
-        const topologicallySortedPackages = utils.getTopologicallySortedPackages(monorepoRootPath);
-        const topologicallySortedErrors = _.sortBy(errors, packageErr =>
-            findPackageIndex(topologicallySortedPackages, packageErr.packageName),
-        );
-        _.forEach(topologicallySortedErrors, packageError => {
-            utils.log(`ERROR in package ${packageError.packageName}:`);
-            logIfDefined(packageError.error.message);
-            logIfDefined(packageError.error.stderr);
-            logIfDefined(packageError.error.stdout);
-            logIfDefined(packageError.error.stack);
-        });
-        process.exit(1);
-    } else {
-        process.exit(0);
+    const CHUNK_SIZE = 15;
+    const chunkedInstallablePackages = _.chunk(installablePackages, CHUNK_SIZE);
+    utils.log(`Testing all packages in ${chunkedInstallablePackages.length} chunks`);
+    for (const installablePackagesChunk of chunkedInstallablePackages) {
+        utils.log('Testing packages:');
+        _.map(installablePackagesChunk, pkg => utils.log(`* ${pkg.packageJson.name}`));
+        // Run all package tests within that chunk asynchronously and push promises into an array so
+        // we can wait for all of them to resolve.
+        const promises: Array<Promise<void>> = [];
+        const errors: PackageErr[] = [];
+        for (const installablePackage of installablePackagesChunk) {
+            const packagePromise = testInstallPackageAsync(monorepoRootPath, registry, installablePackage).catch(
+                error => {
+                    errors.push({ packageName: installablePackage.packageJson.name, error });
+                },
+            );
+            promises.push(packagePromise);
+        }
+        await Promise.all(promises);
+        if (errors.length > 0) {
+            const topologicallySortedErrors = _.sortBy(errors, packageErr =>
+                findPackageIndex(packages, packageErr.packageName),
+            );
+            _.forEach(topologicallySortedErrors, packageError => {
+                utils.log(`ERROR in package ${packageError.packageName}:`);
+                logIfDefined(packageError.error.message);
+                logIfDefined(packageError.error.stderr);
+                logIfDefined(packageError.error.stdout);
+                logIfDefined(packageError.error.stack);
+            });
+            process.exit(1);
+        }
     }
+    process.exit(0);
 })().catch(err => {
     utils.log(`Unexpected error: ${err.message}`);
     process.exit(1);