From 10fc12092fa8360eb5749fdf5d278009849e4b0b Mon Sep 17 00:00:00 2001
From: Kasper Borg Nissen <kaspernissen@gmail.com>
Date: Tue, 13 May 2025 10:03:30 +0200
Subject: [PATCH] feat(test-utils): add assertion helper for faas resources

Signed-off-by: Kasper Borg Nissen <kaspernissen@gmail.com>
---
 .../src/resource-assertions.ts                | 37 +++++++++++++++++++
 1 file changed, 37 insertions(+)

diff --git a/packages/opentelemetry-test-utils/src/resource-assertions.ts b/packages/opentelemetry-test-utils/src/resource-assertions.ts
index 51b1419187..ed7a2c46ef 100644
--- a/packages/opentelemetry-test-utils/src/resource-assertions.ts
+++ b/packages/opentelemetry-test-utils/src/resource-assertions.ts
@@ -26,6 +26,9 @@ import {
   SEMRESATTRS_CONTAINER_IMAGE_NAME,
   SEMRESATTRS_CONTAINER_IMAGE_TAG,
   SEMRESATTRS_CONTAINER_NAME,
+  SEMRESATTRS_FAAS_INSTANCE,
+  SEMRESATTRS_FAAS_NAME,
+  SEMRESATTRS_FAAS_VERSION,
   SEMRESATTRS_HOST_ID,
   SEMRESATTRS_HOST_IMAGE_ID,
   SEMRESATTRS_HOST_IMAGE_NAME,
@@ -326,6 +329,40 @@ export const assertProcessResource = (
   }
 };
 
+/**
+ * Test utility method to validate a faas resource
+ *
+ * @param resource the Resource to validate
+ * @param validations validations for the resource attributes
+ */
+export const assertFaasResource = (
+  resource: Resource,
+  validations: {
+    name?: string;
+    instance?: string;
+    version?: string;
+  }
+) => {
+  if (validations.name) {
+    assert.strictEqual(
+      resource.attributes[SEMRESATTRS_FAAS_NAME],
+      validations.name
+    );
+  }
+  if (validations.instance) {
+    assert.strictEqual(
+      resource.attributes[SEMRESATTRS_FAAS_INSTANCE],
+      validations.instance
+    );
+  }
+  if (validations.version) {
+    assert.strictEqual(
+      resource.attributes[SEMRESATTRS_FAAS_VERSION],
+      validations.version
+    );
+  }
+};
+
 /**
  * Test utility method to validate an empty resource
  *