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439d2f7b40
Integration testing has to this point relied on patching serving codecs for built-in APIs. The test-only patching is removed and replaced by feature gated checks at runtime.
89 lines
2.5 KiB
Go
89 lines
2.5 KiB
Go
/*
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Copyright 2024 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 framework
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import (
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"bytes"
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"io"
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"net/http"
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"testing"
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"k8s.io/apimachinery/pkg/runtime/serializer/cbor/direct"
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"k8s.io/apimachinery/pkg/util/sets"
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"k8s.io/client-go/transport"
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)
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// AssertRequestResponseAsCBOR returns a transport.WrapperFunc that will report a test error if a
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// non-empty request or response body contains data that does not appear to be CBOR-encoded.
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func AssertRequestResponseAsCBOR(t testing.TB) transport.WrapperFunc {
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unsupportedPatchContentTypes := sets.New(
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"application/json-patch+json",
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"application/merge-patch+json",
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"application/strategic-merge-patch+json",
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)
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return func(rt http.RoundTripper) http.RoundTripper {
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return roundTripperFunc(func(request *http.Request) (*http.Response, error) {
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if request.Body != nil && !unsupportedPatchContentTypes.Has(request.Header.Get("Content-Type")) {
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requestbody, err := io.ReadAll(request.Body)
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if err != nil {
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t.Error(err)
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}
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if len(requestbody) > 0 {
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err = direct.Unmarshal(requestbody, new(interface{}))
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if err != nil {
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t.Errorf("non-cbor request: 0x%x", requestbody)
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}
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}
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request.Body = io.NopCloser(bytes.NewReader(requestbody))
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}
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response, rterr := rt.RoundTrip(request)
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if rterr != nil {
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return response, rterr
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}
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// We can't synchronously inspect streaming responses, so tee to a buffer
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// and inspect it at the end of the test.
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var buf bytes.Buffer
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response.Body = struct {
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io.Reader
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io.Closer
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}{
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Reader: io.TeeReader(response.Body, &buf),
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Closer: response.Body,
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}
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t.Cleanup(func() {
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if buf.Len() == 0 {
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return
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}
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if err := direct.Unmarshal(buf.Bytes(), new(interface{})); err != nil {
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t.Errorf("non-cbor response: 0x%x", buf.Bytes())
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}
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})
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return response, rterr
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})
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}
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}
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type roundTripperFunc func(*http.Request) (*http.Response, error)
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func (f roundTripperFunc) RoundTrip(r *http.Request) (*http.Response, error) {
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return f(r)
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}
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