Add test example for the dcodeIO/protobuf.js library.

Makefile

@@ -19,4 +19,7 @@ test_webpack:
 test_mocha:
 	(cd tests/mocha && bazel test //...)
 
-test_all: test_helloworld test_lyrics test_express test_namespace test_typescript test_webpack test_mocha
+test_protobuf_js:
+	(cd tests/protobuf.js && bazel test //...)
+
+test_all: test_helloworld test_lyrics test_express test_namespace test_typescript test_webpack test_mocha test_protobuf_js

tests/protobuf.js/BUILD

@@ -0,0 +1,18 @@
+package(default_visibility = ["//visibility:public"])
+
+load("@org_pubref_rules_node//node:rules.bzl", "node_binary")
+
+node_binary(
+    name = "app",
+    main = "app.js",
+    deps = [
+        "@yarn_modules//:protobufjs",
+    ],
+)
+
+sh_test(
+    name = "protobuf_test",
+    size = "small",
+    srcs = ["protobuf_test.sh"],
+    data = [":app"],
+)

tests/protobuf.js/WORKSPACE

@@ -0,0 +1,15 @@
+local_repository(
+    name = "org_pubref_rules_node",
+    path = "../..",
+)
+
+load("@org_pubref_rules_node//node:rules.bzl", "node_repositories", "yarn_modules")
+
+node_repositories()
+
+yarn_modules(
+    name = "yarn_modules",
+    deps = {
+        "protobufjs": "6.8.0",
+    }
+)

tests/protobuf.js/app.js

@@ -0,0 +1,3 @@
+const protobuf = require('protobufjs');
+
+console.log('SUCCESS');

tests/protobuf.js/protobuf_test.sh

@@ -0,0 +1,7 @@
+set -euo pipefail
+
+if ./app | grep -q 'SUCCESS'; then
+    echo "PASS"
+else
+    exit 1
+fi