tests: internal: routing: add new unit tests

Signed-off-by: Eduardo Silva <eduardo@chronosphere.io>

Author: edsiper

tests/internal/CMakeLists.txt

@@ -13,6 +13,7 @@ set(UNIT_TESTS_FILES
   kv.c
   slist.c
   router.c
+  router_config.c
   network.c
   unit_sizes.c
   hashtable.c

tests/internal/data/config_format/yaml/routing/basic.yaml

@@ -0,0 +1,38 @@
+---
+pipeline:
+  inputs:
+    - name: opentelemetry
+      processors:
+        - name: parser
+          parser: json
+      routes:
+        logs:
+          - name: error_logs
+            condition:
+              rules:
+                - field: "$level"
+                  op: eq
+                  value: "error"
+            to:
+              outputs:
+                - name: loki
+                  fallback: s3_backup
+          - name: default
+            condition:
+              default: true
+            to:
+              outputs:
+                - name: elasticsearch
+        metrics:
+          - name: metrics_above_threshold
+            condition:
+              rules:
+                - field: "$metric.name"
+                  op: regex
+                  value: "^cpu_"
+                - field: "$metric.value"
+                  op: gt
+                  value: 0.9
+            to:
+              outputs:
+                - name: prometheus_remote

tests/internal/data/config_format/yaml/routing/metrics.yaml

@@ -0,0 +1,19 @@
+---
+pipeline:
+  inputs:
+    - name: metrics
+      routes:
+        metrics:
+          - name: cpu_hot
+            condition:
+              rules:
+                - field: "$metric.name"
+                  op: eq
+                  value: "cpu_usage"
+                - field: "$resource['service.name']"
+                  op: eq
+                  value: "checkout"
+            to:
+              outputs:
+                - name: prometheus_remote
+                  fallback: s3_backup

tests/internal/data/config_format/yaml/routing/multi_signal.yaml

@@ -0,0 +1,27 @@
+---
+pipeline:
+  inputs:
+    - name: telemetry
+      routes:
+        "logs,traces":
+          - name: service_checkout
+            condition:
+              rules:
+                - field: "$resource['service.name']"
+                  op: eq
+                  value: "checkout"
+                - field: "$span.duration_ms"
+                  op: gt
+                  value: 2000
+            to:
+              outputs:
+                - name: tempo
+        logs:
+          - name: catch_all
+            condition:
+              default: true
+            to:
+              outputs:
+                - name: loki
+                - name: s3_archive
+                  fallback: glacier