tests: add parser golden tests covering expression routes (#4426)

.gitattributes

@@ -2,3 +2,4 @@
 pkg/clientset/** linguist-generated=true
 deploy/single/** linguist-generated=true
 docs/api-reference.md linguist-generated=true
+internal/dataplane/parser/testdata/golden/**/*_golden.yaml linguist-generated=true

internal/dataplane/parser/testdata/golden/grpcroute-example/expression-routes-on_settings.yaml

@@ -0,0 +1,2 @@
+feature_flags:
+  ExpressionRoutes: true

internal/dataplane/parser/testdata/golden/httproute-example/expression-routes-on_settings.yaml

@@ -0,0 +1,2 @@
+feature_flags:
+  ExpressionRoutes: true

internal/dataplane/parser/testdata/golden/httproute-example/in.yaml

@@ -0,0 +1,54 @@
+---
+apiVersion: v1
+kind: Service
+metadata:
+  labels:
+    app: httpbin
+  name: httpbin
+spec:
+  ports:
+    - port: 80
+      protocol: TCP
+      targetPort: 80
+  selector:
+    app: httpbin
+  type: ClusterIP
+---
+apiVersion: v1
+kind: Service
+metadata:
+  labels:
+    app: nginx
+  name: nginx
+spec:
+  ports:
+    - port: 8080
+      protocol: TCP
+      targetPort: 80
+  selector:
+    app: nginx
+  type: ClusterIP
+---
+apiVersion: gateway.networking.k8s.io/v1beta1
+kind: HTTPRoute
+metadata:
+  name: httproute-testing
+  annotations:
+    konghq.com/strip-path: "true"
+spec:
+  parentRefs:
+    - name: kong
+  rules:
+    - matches:
+        - path:
+            type: PathPrefix
+            value: /httproute-testing
+      backendRefs:
+        - name: httpbin
+          kind: Service
+          port: 80
+          weight: 75
+        - name: nginx
+          kind: Service
+          port: 8080
+          weight: 25

internal/dataplane/parser/testdata/golden/ingress-v1-empty-path/expression-routes-on_settings.yaml

@@ -0,0 +1,2 @@
+feature_flags:
+  ExpressionRoutes: true

internal/dataplane/parser/testdata/golden/ingress-v1-multiple-ports-for-one-service/expression-routes-on_settings.yaml

@@ -0,0 +1,2 @@
+feature_flags:
+  ExpressionRoutes: true

internal/dataplane/parser/testdata/golden/ingress-v1-ports-defined-by-name/expression-routes-on_settings.yaml

@@ -0,0 +1,2 @@
+feature_flags:
+  ExpressionRoutes: true

internal/dataplane/parser/testdata/golden/ingress-v1-regex-prefix-exact-rule/expression-routes-on_settings.yaml

@@ -0,0 +1,2 @@
+feature_flags:
+  ExpressionRoutes: true