129 lines
2.5 KiB
Go
129 lines
2.5 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 ttrpc
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import (
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"bytes"
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"context"
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"io"
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"net"
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"reflect"
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"testing"
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"github.com/pkg/errors"
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"google.golang.org/grpc/codes"
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"google.golang.org/grpc/status"
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)
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func TestReadWriteMessage(t *testing.T) {
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var (
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ctx = context.Background()
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w, r = net.Pipe()
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ch = newChannel(w)
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rch = newChannel(r)
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messages = [][]byte{
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[]byte("hello"),
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[]byte("this is a test"),
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[]byte("of message framing"),
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}
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received [][]byte
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errs = make(chan error, 1)
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)
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go func() {
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for i, msg := range messages {
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if err := ch.send(ctx, uint32(i), 1, msg); err != nil {
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errs <- err
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return
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}
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}
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w.Close()
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}()
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for {
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_, p, err := rch.recv(ctx)
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if err != nil {
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if errors.Cause(err) != io.EOF {
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t.Fatal(err)
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}
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break
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}
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received = append(received, p)
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// make sure we don't have send errors
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select {
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case err := <-errs:
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if err != nil {
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t.Fatal(err)
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}
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default:
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}
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}
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if !reflect.DeepEqual(received, messages) {
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t.Fatalf("didn't received expected set of messages: %v != %v", received, messages)
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}
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select {
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case err := <-errs:
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if err != nil {
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t.Fatal(err)
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}
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default:
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}
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}
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func TestMessageOversize(t *testing.T) {
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var (
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ctx = context.Background()
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w, r = net.Pipe()
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wch, rch = newChannel(w), newChannel(r)
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msg = bytes.Repeat([]byte("a message of massive length"), 512<<10)
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errs = make(chan error, 1)
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)
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go func() {
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if err := wch.send(ctx, 1, 1, msg); err != nil {
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errs <- err
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}
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}()
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_, _, err := rch.recv(ctx)
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if err == nil {
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t.Fatalf("error expected reading with small buffer")
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}
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status, ok := status.FromError(err)
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if !ok {
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t.Fatalf("expected grpc status error: %v", err)
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}
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if status.Code() != codes.ResourceExhausted {
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t.Fatalf("expected grpc status code: %v != %v", status.Code(), codes.ResourceExhausted)
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}
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select {
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case err := <-errs:
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if err != nil {
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t.Fatal(err)
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}
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default:
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}
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}
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