90 lines
2.3 KiB
Go
90 lines
2.3 KiB
Go
// +build windows
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/*
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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 shim
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import (
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"bytes"
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"context"
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"fmt"
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"io"
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"testing"
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winio "github.com/Microsoft/go-winio"
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"github.com/containerd/containerd/namespaces"
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)
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func readValueFrom(rdr io.Reader, expectedStr string, t *testing.T) {
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expected := []byte(expectedStr)
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actual := make([]byte, len(expected))
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read, err := rdr.Read(actual)
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if err != nil {
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t.Fatalf("failed to read with: %v", err)
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}
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if read != len(expected) {
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t.Fatalf("failed to read len %v bytes read: %v", len(expected), actual)
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}
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if !bytes.Equal(expected, actual) {
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t.Fatalf("expected '%v' != actual '%v'", expected, actual)
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}
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}
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func writeValueTo(wr io.Writer, value string, t *testing.T) {
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expected := []byte(value)
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written, err := wr.Write(expected)
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if err != nil {
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t.Fatalf("failed to write with: %v", err)
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}
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if len(expected) != written {
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t.Fatalf("failed to write len %v bytes wrote: %v", len(expected), written)
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}
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}
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func runOneTest(ns, id string, writer io.Writer, t *testing.T) {
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// Write on closed
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go writeValueTo(writer, "Hello World!", t)
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// Connect
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c, err := winio.DialPipe(fmt.Sprintf("\\\\.\\pipe\\containerd-shim-%s-%s-log", ns, id), nil)
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if err != nil {
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t.Fatal("should have successfully connected to log")
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}
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defer c.Close()
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// Read the deferred buffer.
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readValueFrom(c, "Hello World!", t)
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go writeValueTo(writer, "Hello Next!", t)
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readValueFrom(c, "Hello Next!", t)
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}
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func TestOpenLog(t *testing.T) {
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ns := "openlognamespace"
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id := "openlogid"
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ctx := namespaces.WithNamespace(context.TODO(), ns)
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writer, err := openLog(ctx, id)
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if err != nil {
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t.Fatalf("failed openLog with %v", err)
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}
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// Do three iterations of write/open/read/write/read/close
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for i := 0; i < 3; i++ {
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runOneTest(ns, id, writer, t)
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}
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}
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