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TEST/MEDIUM: add tests for Listener isolation feature (without hostname intersection)
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‎test/integration/httproute-listener-isolation/httproute_listener_isolation_test.go‎

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//
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// Copyright 2025 HAProxy Technologies LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package httprouteisolation
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import (
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"path"
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"testing"
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"github.com/haproxytech/haproxy-unified-gateway/test/integration/utils"
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"github.com/stretchr/testify/suite"
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)
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// Adding HTTPRouteIsolationTestSuite, just to be able to debug directly
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type HTTPRouteIsolationTestSuite struct {
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HTTPRouteIsolationSuite
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}
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func TestHTTPRouteIsolationTestSuite(t *testing.T) {
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suite.Run(t, new(HTTPRouteIsolationTestSuite))
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}
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func (s *HTTPRouteIsolationTestSuite) Test_HTTPRoute_ListenerIsolation_1_route_attaches_to_empty_hostname() {
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fixtureDirPath := utils.GetCRDFixturePath()
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fixtureDir := "listener-isolation"
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fixturePath := path.Join(fixtureDirPath, fixtureDir, "1-route-attaches-to-empty-hostname")
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s.CreateFixtures(fixturePath, nil)
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mapFilePath := "hug_http_8080"
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defer s.CleanupFixturesCheckMapFiles(fixturePath, nil, []string{mapFilePath})
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// Expected Conditions
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expectationsPath := path.Join(fixturePath, "expectations")
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expectedCondPath := path.Join(expectationsPath, "route-conditions.yaml")
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expectedConditions := s.YamlToRouteConditions(expectedCondPath)
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httpRouteName := "route-attaches-to-empty-hostname"
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s.expectConditionsUpdated(s.Test().Ctx, s.Test().Namespace, httpRouteName, expectedConditions)
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// Check Maps
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expectedMapsPath := path.Join(expectationsPath, "maps")
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s.ExpectMapContents(mapFilePath, expectedMapsPath)
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}
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func (s *HTTPRouteIsolationTestSuite) Test_HTTPRoute_ListenerIsolation_2_route_attaches_to_wildcard_example_com() {
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fixtureDirPath := utils.GetCRDFixturePath()
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fixtureDir := "listener-isolation"
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fixturePath := path.Join(fixtureDirPath, fixtureDir, "2-route-attaches-to-wildcard-example-com")
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s.CreateFixtures(fixturePath, nil)
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mapFilePath := "hug_http_8080"
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defer s.CleanupFixturesCheckMapFiles(fixturePath, nil, []string{mapFilePath})
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// Expected Conditions
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expectationsPath := path.Join(fixturePath, "expectations")
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expectedCondPath := path.Join(expectationsPath, "route-conditions.yaml")
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expectedConditions := s.YamlToRouteConditions(expectedCondPath)
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httpRouteName := "route-attaches-to-wildcard-example-com"
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s.expectConditionsUpdated(s.Test().Ctx, s.Test().Namespace, httpRouteName, expectedConditions)
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// Check Maps
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expectedMapsPath := path.Join(expectationsPath, "maps")
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s.ExpectMapContents(mapFilePath, expectedMapsPath)
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}
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func (s *HTTPRouteIsolationTestSuite) Test_HTTPRoute_ListenerIsolation_3_route_attaches_to_wildcard_foo_example_com() {
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fixtureDirPath := utils.GetCRDFixturePath()
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fixtureDir := "listener-isolation"
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fixturePath := path.Join(fixtureDirPath, fixtureDir, "3-route-attaches-to-wildcard-foo-example-com")
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s.CreateFixtures(fixturePath, nil)
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mapFilePath := "hug_http_8080"
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defer s.CleanupFixturesCheckMapFiles(fixturePath, nil, []string{mapFilePath})
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// Expected Conditions
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expectationsPath := path.Join(fixturePath, "expectations")
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expectedCondPath := path.Join(expectationsPath, "route-conditions.yaml")
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expectedConditions := s.YamlToRouteConditions(expectedCondPath)
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httpRouteName := "route-attaches-to-wildcard-foo-example-com"
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s.expectConditionsUpdated(s.Test().Ctx, s.Test().Namespace, httpRouteName, expectedConditions)
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// Check Maps
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expectedMapsPath := path.Join(expectationsPath, "maps")
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s.ExpectMapContents(mapFilePath, expectedMapsPath)
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}
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func (s *HTTPRouteIsolationTestSuite) Test_HTTPRoute_ListenerIsolation_4_route_attaches_to_abc_foo_example_com() {
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fixtureDirPath := utils.GetCRDFixturePath()
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fixtureDir := "listener-isolation"
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fixturePath := path.Join(fixtureDirPath, fixtureDir, "4-route-attaches-to-abc-foo-example-com")
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s.CreateFixtures(fixturePath, nil)
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mapFilePath := "hug_http_8080"
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defer s.CleanupFixturesCheckMapFiles(fixturePath, nil, []string{mapFilePath})
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// Expected Conditions
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expectationsPath := path.Join(fixturePath, "expectations")
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expectedCondPath := path.Join(expectationsPath, "route-conditions.yaml")
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expectedConditions := s.YamlToRouteConditions(expectedCondPath)
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httpRouteName := "route-attaches-to-abc-foo-example-com"
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s.expectConditionsUpdated(s.Test().Ctx, s.Test().Namespace, httpRouteName, expectedConditions)
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// Check Maps
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expectedMapsPath := path.Join(expectationsPath, "maps")
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s.ExpectMapContents(mapFilePath, expectedMapsPath)
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}
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func (s *HTTPRouteIsolationTestSuite) Test_HTTPRoute_ListenerIsolation_5_all() {
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fixtureDirPath := utils.GetCRDFixturePath()
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fixtureDir := "listener-isolation"
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fixturePath := path.Join(fixtureDirPath, fixtureDir, "5-all")
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s.CreateFixtures(fixturePath, nil)
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mapFilePath := "hug_http_8080"
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defer s.CleanupFixturesCheckMapFiles(fixturePath, nil, []string{mapFilePath})
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// Check Maps
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expectationsPath := path.Join(fixturePath, "expectations")
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expectedMapsPath := path.Join(expectationsPath, "maps")
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s.ExpectMapContents(mapFilePath, expectedMapsPath)
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}

‎test/integration/httproute-listener-isolation/manifests/listener-isolation/1-route-attaches-to-empty-hostname/expectations/maps/path_prefix.map‎

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/empty-hostname hug_e2e-tests-httproute-listener-isolation_http-echo_80__

‎test/integration/httproute-listener-isolation/manifests/listener-isolation/1-route-attaches-to-empty-hostname/expectations/route-conditions.yaml‎

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parents:
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- conditions:
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- message: Route Accepted
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observedGeneration: 1
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reason: Accepted
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status: "True"
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type: Accepted
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- message: References resolved
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observedGeneration: 1
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reason: ResolvedRefs
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status: "True"
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type: ResolvedRefs
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controllerName: gate.haproxy.org/hug
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parentRef:
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group: gateway.networking.k8s.io
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kind: Gateway
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name: gateway
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sectionName: empty-hostname

‎test/integration/httproute-listener-isolation/manifests/listener-isolation/1-route-attaches-to-empty-hostname/gateway.yaml‎

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apiVersion: gateway.networking.k8s.io/v1
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kind: Gateway
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metadata:
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name: gateway
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spec:
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gatewayClassName: haproxy
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listeners:
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- name: empty-hostname
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port: 8080
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protocol: HTTP
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allowedRoutes:
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kinds:
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- group: gateway.networking.k8s.io
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kind: HTTPRoute
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- name: wildcard-example-com
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protocol: HTTP
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port: 8080
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allowedRoutes:
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kinds:
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- group: gateway.networking.k8s.io
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kind: HTTPRoute
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hostname: "*.example.com"
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- name: wildcard-foo-example-com
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protocol: HTTP
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port: 8080
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allowedRoutes:
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kinds:
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- group: gateway.networking.k8s.io
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kind: HTTPRoute
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hostname: "*.foo.example.com"
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- name: abc-foo-example-com
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protocol: HTTP
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port: 8080
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allowedRoutes:
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kinds:
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- group: gateway.networking.k8s.io
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kind: HTTPRoute
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hostname: "abc.foo.example.com"

‎test/integration/httproute-listener-isolation/manifests/listener-isolation/1-route-attaches-to-empty-hostname/gatewayclass.yaml‎

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apiVersion: gateway.networking.k8s.io/v1
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kind: GatewayClass
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metadata:
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name: haproxy
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spec:
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controllerName: gate.haproxy.org/hug

‎test/integration/httproute-listener-isolation/manifests/listener-isolation/1-route-attaches-to-empty-hostname/http-echo.yaml‎

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kind: Deployment
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apiVersion: apps/v1
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metadata:
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name: http-echo
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spec:
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replicas: 1
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selector:
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matchLabels:
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app: http-echo
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template:
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metadata:
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labels:
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app: http-echo
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spec:
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containers:
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- name: http-echo
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image: "haproxytech/http-echo:latest"
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imagePullPolicy: IfNotPresent
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ports:
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- name: http
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containerPort: 8888
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protocol: TCP
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- name: https
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containerPort: 8443
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protocol: TCP
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---
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kind: Service
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apiVersion: v1
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metadata:
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name: http-echo
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spec:
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ports:
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- name: http
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protocol: TCP
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port: 80
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targetPort: http
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- name: https
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protocol: TCP
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port: 443
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targetPort: https
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selector:
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app: http-echo

‎test/integration/httproute-listener-isolation/manifests/listener-isolation/1-route-attaches-to-empty-hostname/route.yaml‎

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apiVersion: gateway.networking.k8s.io/v1
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kind: HTTPRoute
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metadata:
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name: route-attaches-to-empty-hostname
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spec:
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parentRefs:
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- name: gateway
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sectionName: empty-hostname
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rules:
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- matches:
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- path:
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type: PathPrefix
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value: /empty-hostname
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backendRefs:
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- name: http-echo
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port: 80

‎test/integration/httproute-listener-isolation/manifests/listener-isolation/2-route-attaches-to-wildcard-example-com/expectations/maps/path_regex.map‎

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\.example\.com/wildcard-example-com.* hug_e2e-tests-httproute-listener-isolation_http-echo_80__

‎test/integration/httproute-listener-isolation/manifests/listener-isolation/2-route-attaches-to-wildcard-example-com/expectations/route-conditions.yaml‎

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parents:
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- conditions:
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- message: Route Accepted
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observedGeneration: 1
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reason: Accepted
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status: "True"
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type: Accepted
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- message: References resolved
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observedGeneration: 1
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reason: ResolvedRefs
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status: "True"
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type: ResolvedRefs
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controllerName: gate.haproxy.org/hug
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parentRef:
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group: gateway.networking.k8s.io
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kind: Gateway
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name: gateway
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sectionName: wildcard-example-com

‎test/integration/httproute-listener-isolation/manifests/listener-isolation/2-route-attaches-to-wildcard-example-com/gateway.yaml‎

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apiVersion: gateway.networking.k8s.io/v1
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kind: Gateway
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metadata:
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name: gateway
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spec:
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gatewayClassName: haproxy
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listeners:
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- name: empty-hostname
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port: 8080
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protocol: HTTP
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allowedRoutes:
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kinds:
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- group: gateway.networking.k8s.io
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kind: HTTPRoute
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- name: wildcard-example-com
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protocol: HTTP
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port: 8080
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allowedRoutes:
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kinds:
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- group: gateway.networking.k8s.io
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kind: HTTPRoute
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hostname: "*.example.com"
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- name: wildcard-foo-example-com
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protocol: HTTP
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port: 8080
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allowedRoutes:
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kinds:
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- group: gateway.networking.k8s.io
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kind: HTTPRoute
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hostname: "*.foo.example.com"
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- name: abc-foo-example-com
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protocol: HTTP
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port: 8080
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allowedRoutes:
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kinds:
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- group: gateway.networking.k8s.io
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kind: HTTPRoute
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hostname: "abc.foo.example.com"

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