a3a30635ef
If there are multiple goroutines calling `namespace.WithNamespace` on a ctx that already had namespace, there will be a data race when `withTTRPCNamespaceHeader` calling `MD.Set()`. So we have to copy the md before using it. Signed-off-by: Li Yuxuan <liyuxuan04@baidu.com>
53 lines
1.3 KiB
Go
53 lines
1.3 KiB
Go
/*
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Copyright The containerd 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 namespaces
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import (
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"context"
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"reflect"
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"testing"
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"github.com/containerd/ttrpc"
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)
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func TestCopyTTRPCMetadata(t *testing.T) {
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src := ttrpc.MD{}
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src.Set("key", "a", "b", "c", "d")
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md := copyMetadata(src)
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if !reflect.DeepEqual(src, md) {
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t.Fatalf("metadata is copied incorrectly")
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}
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slice, _ := src.Get("key")
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slice[0] = "z"
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if reflect.DeepEqual(src, md) {
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t.Fatalf("metadata is copied incorrectly")
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}
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}
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func TestTTRPCNamespaceHeader(t *testing.T) {
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ctx := context.Background()
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namespace := "test-namepace"
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ctx = withTTRPCNamespaceHeader(ctx, namespace)
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header, ok := fromTTRPCHeader(ctx)
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if !ok || header != namespace {
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t.Fatalf("ttrp namespace header is set incorrectly")
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}
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}
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