add unit tests for gateway api

unittests/helm/httproute/basic.yaml

@@ -0,0 +1,74 @@
+suite: Test httproute.yaml
+templates:
+  - templates/gitea/httproute.yaml
+tests:
+  - it: should enable httproute when gateway.httpRoute.enabled is true
+    set:
+      gateway.httpRoute.enabled: true
+      gateway.httpRoute.annotations:
+        some-annotation: some-value
+      gateway.httpRoute.hostnames:
+        - example.com
+      gateway.httpRoute.parentRefs:
+        - name: traefik
+          sectionName: https
+          kind: Gateway
+      gateway.httpRoute.paths:
+        - path: /
+    asserts:
+      - hasDocuments:
+          count: 1
+      - isKind:
+          of: HTTPRoute
+      - isAPIVersion:
+          of: gateway.networking.k8s.io/v1
+      - equal:
+          path: metadata.name
+          value: RELEASE-NAME-gitea
+      - equal:
+          path: metadata.annotations["some-annotation"]
+          value: some-value
+      - equal:
+          path: spec.hostnames[0]
+          value: "example.com"
+      - equal:
+          path: spec.parentRefs[0].name
+          value: "traefik"
+      - equal:
+          path: spec.parentRefs[0].kind
+          value: "Gateway"
+      - equal:
+          path: spec.parentRefs[0].sectionName
+          value: "https"
+      - equal:
+          path: spec.rules[0].matches[0].path.type
+          value: "PathPrefix"
+      - equal:
+          path: spec.rules[0].matches[0].path.value
+          value: "/"
+      - equal:
+          path: spec.rules[0].backendRefs[0].name
+          value: "RELEASE-NAME-gitea-http"
+      - equal:
+          path: spec.rules[0].backendRefs[0].port
+          value: 3000
+
+  - it: should not create httproute when gateway.httpRoute.enabled is false
+    set:
+      gateway.httpRoute.enabled: false
+    asserts:
+      - hasDocuments:
+          count: 0
+
+  - it: hostname using TPL
+    set:
+      global.giteaHostName: "gitea.example.com"
+      gateway.httpRoute.enabled: true
+      gateway.httpRoute.hostnames:
+        - "{{ .Values.global.giteaHostName }}"
+    asserts:
+      - isKind:
+          of: HTTPRoute
+      - equal:
+          path: spec.hostnames[0]
+          value: "gitea.example.com"

unittests/helm/httproute/implicit-defaults.yaml

@@ -0,0 +1,19 @@
+suite: Test httproute with implicit path defaults
+templates:
+  - templates/gitea/httproute.yaml
+tests:
+  - it: should use default path and pathType when no paths are specified
+    set:
+      gateway.httpRoute.enabled: true
+      gateway.httpRoute.paths: []
+    asserts:
+      - hasDocuments:
+          count: 1
+      - isKind:
+          of: HTTPRoute
+      - equal:
+          path: spec.rules[0].matches[0].path.type
+          value: "PathPrefix"
+      - equal:
+          path: spec.rules[0].matches[0].path.value
+          value: "/"

unittests/helm/httproute/structured-paths.yaml

@@ -0,0 +1,56 @@
+suite: Test httproute with structured paths
+templates:
+  - templates/gitea/httproute.yaml
+tests:
+  - it: should work with a plain string path
+    set:
+      gateway.httpRoute.enabled: true
+      gateway.httpRoute.paths:
+        - /
+    asserts:
+      - hasDocuments:
+          count: 1
+      - isKind:
+          of: HTTPRoute
+      - equal:
+          path: spec.rules[0].matches[0].path.type
+          value: "PathPrefix"
+      - equal:
+          path: spec.rules[0].matches[0].path.value
+          value: "/"
+
+  - it: should work with structured path definitions and per-path pathType
+    set:
+      gateway.httpRoute.enabled: true
+      gateway.httpRoute.paths:
+        - path: /
+        - path: /foo
+          pathType: Exact
+    asserts:
+      - hasDocuments:
+          count: 1
+      - isKind:
+          of: HTTPRoute
+      - equal:
+          path: spec.rules[0].matches[0].path.type
+          value: "PathPrefix"
+      - equal:
+          path: spec.rules[0].matches[0].path.value
+          value: "/"
+      - equal:
+          path: spec.rules[1].matches[0].path.type
+          value: "Exact"
+      - equal:
+          path: spec.rules[1].matches[0].path.value
+          value: "/foo"
+
+  - it: should allow overriding the default pathType
+    set:
+      gateway.httpRoute.enabled: true
+      gateway.httpRoute.pathType: Exact
+      gateway.httpRoute.paths:
+        - /
+    asserts:
+      - equal:
+          path: spec.rules[0].matches[0].path.type
+          value: "Exact"

unittests/helm/values-conflicting-checks.yaml

@@ -12,3 +12,14 @@ tests:
     asserts:
       - failedTemplate:
           errorMessage: valkey and valkey-cluster cannot be enabled at the same time. Please only choose one.
+
+  - it: fails when trying to enable ingress and gateway httpRoute at the same time
+    set:
+      ingress:
+        enabled: true
+      gateway:
+        httpRoute:
+          enabled: true
+    asserts:
+      - failedTemplate:
+          errorMessage: You cannot enable both Ingress and HTTPRoute at the same time