mirror of
https://github.com/k3s-io/kubernetes.git
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120 lines
3.7 KiB
Go
120 lines
3.7 KiB
Go
/*
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Copyright 2021 The Kubernetes Authors.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package openapi
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import (
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"encoding/json"
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"net/http"
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"testing"
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"k8s.io/apiserver/pkg/features"
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utilfeature "k8s.io/apiserver/pkg/util/feature"
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"k8s.io/apiserver/pkg/util/openapi"
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restclient "k8s.io/client-go/rest"
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featuregatetesting "k8s.io/component-base/featuregate/testing"
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"k8s.io/kube-openapi/pkg/common"
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"k8s.io/kube-openapi/pkg/validation/spec"
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"k8s.io/kubernetes/pkg/controlplane"
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generated "k8s.io/kubernetes/pkg/generated/openapi"
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"k8s.io/kubernetes/test/integration/framework"
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)
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func TestEnablingOpenAPIEnumTypes(t *testing.T) {
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const typeToAddEnum = "k8s.io/api/core/v1.ContainerPort"
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const typeToCheckEnum = "io.k8s.api.core.v1.ContainerPort"
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for _, tc := range []struct {
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name string
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featureEnabled bool
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enumShouldExist bool
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}{
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{
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name: "disabled",
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featureEnabled: false,
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enumShouldExist: false,
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},
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{
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name: "enabled",
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featureEnabled: true,
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enumShouldExist: true,
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},
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} {
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t.Run(tc.name, func(t *testing.T) {
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defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.OpenAPIEnums, tc.featureEnabled)()
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getDefinitionsFn := openapi.GetOpenAPIDefinitionsWithoutDisabledFeatures(func(ref common.ReferenceCallback) map[string]common.OpenAPIDefinition {
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defs := generated.GetOpenAPIDefinitions(ref)
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def := defs[typeToAddEnum]
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// replace protocol to add the would-be enum field.
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def.Schema.Properties["protocol"] = spec.Schema{
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SchemaProps: spec.SchemaProps{
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Description: "Protocol for port. Must be UDP, TCP, or SCTP. Defaults to \\\"TCP\\\".\\n\\nPossible enum values:\\n - `SCTP`: is the SCTP protocol.\\n - `TCP`: is the TCP protocol.\\n - `UDP`: is the UDP protocol.",
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Default: "TCP",
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Type: []string{"string"},
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Format: "",
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Enum: []interface{}{"SCTP", "TCP", "UDP"},
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},
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}
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defs[typeToAddEnum] = def
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return defs
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})
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_, kubeConfig, tearDownFn := framework.StartTestServer(t, framework.TestServerSetup{
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ModifyServerConfig: func(config *controlplane.Config) {
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config.GenericConfig.OpenAPIConfig = framework.DefaultOpenAPIConfig()
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config.GenericConfig.OpenAPIConfig.GetDefinitions = getDefinitionsFn
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},
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})
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defer tearDownFn()
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rt, err := restclient.TransportFor(kubeConfig)
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if err != nil {
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t.Fatal(err)
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}
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req, err := http.NewRequest("GET", kubeConfig.Host+"/openapi/v2", nil)
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if err != nil {
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t.Fatal(err)
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}
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resp, err := rt.RoundTrip(req)
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if err != nil {
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t.Fatal(err)
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}
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var body struct {
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Definitions map[string]struct {
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Properties map[string]struct {
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Description string `json:"description"`
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Type string `json:"type"`
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Enum []string `json:"enum"`
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} `json:"properties"`
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} `json:"definitions"`
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}
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err = json.NewDecoder(resp.Body).Decode(&body)
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if err != nil {
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t.Fatal(err)
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}
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protocol, ok := body.Definitions[typeToCheckEnum].Properties["protocol"]
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if !ok {
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t.Fatalf("protocol not found in properties in %v", body)
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}
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if enumExists := len(protocol.Enum) > 0; enumExists != tc.enumShouldExist {
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t.Errorf("expect enum exists: %v, but got %v", tc.enumShouldExist, enumExists)
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}
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})
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}
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}
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