add httproute matching conformance (#3831)

Author: LiorLieberman

conformance/tests/mesh/httproute-matching.go

@@ -0,0 +1,93 @@
+/*
+Copyright 2022 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package meshtests
+
+import (
+	"testing"
+
+	"sigs.k8s.io/gateway-api/conformance/utils/echo"
+	"sigs.k8s.io/gateway-api/conformance/utils/http"
+	"sigs.k8s.io/gateway-api/conformance/utils/suite"
+	"sigs.k8s.io/gateway-api/pkg/features"
+)
+
+func init() {
+	MeshConformanceTests = append(MeshConformanceTests, MeshHTTPRouteMatching)
+}
+
+var MeshHTTPRouteMatching = suite.ConformanceTest{
+	ShortName:   "MeshHTTPRouteMatching",
+	Description: "A single HTTPRoute with path and header matching for different backends",
+	Features: []features.FeatureName{
+		features.SupportMesh,
+		features.SupportHTTPRoute,
+	},
+	Manifests: []string{"tests/mesh/httproute-matching.yaml"},
+	Test: func(t *testing.T, s *suite.ConformanceTestSuite) {
+		ns := "gateway-conformance-mesh"
+		client := echo.ConnectToApp(t, s, echo.MeshAppEchoV1)
+
+		testCases := []http.ExpectedResponse{{
+			Request:   http.Request{Path: "/"},
+			Backend:   "echo-v1",
+			Namespace: ns,
+		}, {
+			Request:   http.Request{Path: "/example"},
+			Backend:   "echo-v1",
+			Namespace: ns,
+		}, {
+			Request:   http.Request{Path: "/", Headers: map[string]string{"Version": "one"}},
+			Backend:   "echo-v1",
+			Namespace: ns,
+		}, {
+			Request:   http.Request{Path: "/v2"},
+			Backend:   "echo-v2",
+			Namespace: ns,
+		}, {
+			Request:   http.Request{Path: "/v2/example"},
+			Backend:   "echo-v2",
+			Namespace: ns,
+		}, {
+			Request:   http.Request{Path: "/", Headers: map[string]string{"Version": "two"}},
+			Backend:   "echo-v2",
+			Namespace: ns,
+		}, {
+			Request:   http.Request{Path: "/v2/"},
+			Backend:   "echo-v2",
+			Namespace: ns,
+		}, {
+			// Not a path segment prefix so should not match /v2.
+			Request:   http.Request{Path: "/v2example"},
+			Backend:   "echo-v1",
+			Namespace: ns,
+		}, {
+			Request:   http.Request{Path: "/foo/v2/example"},
+			Backend:   "echo-v1",
+			Namespace: ns,
+		}}
+
+		for i := range testCases {
+			// Declare tc here to avoid loop variable
+			// reuse issues across parallel tests.
+			tc := testCases[i]
+			t.Run(tc.GetTestCaseName(i), func(t *testing.T) {
+				t.Parallel()
+				client.MakeRequestAndExpectEventuallyConsistentResponse(t, tc, s.TimeoutConfig)
+			})
+		}
+	},
+}

conformance/tests/mesh/httproute-matching.yaml

@@ -0,0 +1,32 @@
+apiVersion: gateway.networking.k8s.io/v1
+kind: HTTPRoute
+metadata:
+  name: mesh-matching
+  namespace: gateway-conformance-mesh
+spec:
+  parentRefs:
+  - group: ""
+    kind: Service
+    name: echo
+    port: 80
+  rules:
+  - matches:
+    - path:
+        type: PathPrefix
+        value: /
+    - headers:
+      - name: version
+        value: one
+    backendRefs:
+    - name: echo-v1
+      port: 8080
+  - matches:
+    - path:
+        type: PathPrefix
+        value: /v2
+    - headers:
+      - name: version
+        value: two
+    backendRefs:
+    - name: echo-v2
+      port: 8080