dba6f9db18
Document environment variables and test shim start response parsing. Signed-off-by: Derek McGowan <derek@mcg.dev>
101 lines
2.8 KiB
Go
101 lines
2.8 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 v2
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import (
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"context"
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"errors"
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"testing"
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"github.com/containerd/containerd/errdefs"
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client "github.com/containerd/containerd/runtime/v2/shim"
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)
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func TestParseStartResponse(t *testing.T) {
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for _, tc := range []struct {
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Name string
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Response string
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Expected client.BootstrapParams
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Err error
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}{
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{
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Name: "v2 shim",
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Response: "/somedirectory/somesocket",
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Expected: client.BootstrapParams{
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Version: 0,
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Address: "/somedirectory/somesocket",
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Protocol: "ttrpc",
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},
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},
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{
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Name: "v2 shim using grpc",
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Response: `{"version":2,"address":"/somedirectory/somesocket","protocol":"grpc"}`,
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Expected: client.BootstrapParams{
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Version: 2,
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Address: "/somedirectory/somesocket",
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Protocol: "grpc",
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},
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},
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{
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Name: "v2 shim using ttrpc",
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Response: `{"version":2,"address":"/somedirectory/somesocket","protocol":"ttrpc"}`,
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Expected: client.BootstrapParams{
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Version: 2,
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Address: "/somedirectory/somesocket",
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Protocol: "ttrpc",
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},
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},
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{
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Name: "invalid shim v2 response",
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Response: `{"address":"/somedirectory/somesocket","protocol":"ttrpc"}`,
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Expected: client.BootstrapParams{
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Version: 0,
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Address: `{"address":"/somedirectory/somesocket","protocol":"ttrpc"}`,
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Protocol: "ttrpc",
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},
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},
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{
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Name: "later unsupported shim",
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Response: `{"Version": 3,"Address":"/somedirectory/somesocket","Protocol":"ttrpc"}`,
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Expected: client.BootstrapParams{},
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Err: errdefs.ErrNotImplemented,
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},
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} {
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t.Run(tc.Name, func(t *testing.T) {
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params, err := parseStartResponse(context.Background(), []byte(tc.Response))
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if err != nil {
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if !errors.Is(err, tc.Err) {
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t.Errorf("unexpected error: %v", err)
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}
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return
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} else if tc.Err != nil {
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t.Fatal("expected error")
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}
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if params.Version != tc.Expected.Version {
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t.Errorf("unexpected version %d, expected %d", params.Version, tc.Expected.Version)
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}
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if params.Protocol != tc.Expected.Protocol {
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t.Errorf("unexpected protocol %q, expected %q", params.Protocol, tc.Expected.Protocol)
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}
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if params.Address != tc.Expected.Address {
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t.Errorf("unexpected address %q, expected %q", params.Address, tc.Expected.Address)
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}
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})
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}
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}
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