177 lines
3.5 KiB
Go
177 lines
3.5 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 oci
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import (
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"context"
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"encoding/json"
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"io/ioutil"
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"log"
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"os"
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"reflect"
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"runtime"
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"testing"
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"github.com/containerd/containerd/containers"
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"github.com/containerd/containerd/namespaces"
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specs "github.com/opencontainers/runtime-spec/specs-go"
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)
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func TestWithEnv(t *testing.T) {
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t.Parallel()
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s := Spec{}
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s.Process = &specs.Process{
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Env: []string{"DEFAULT=test"},
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}
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WithEnv([]string{"env=1"})(nil, nil, nil, &s)
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if len(s.Process.Env) != 2 {
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t.Fatal("didn't append")
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}
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WithEnv([]string{"env2=1"})(nil, nil, nil, &s)
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if len(s.Process.Env) != 3 {
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t.Fatal("didn't append")
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}
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WithEnv([]string{"env2=2"})(nil, nil, nil, &s)
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if s.Process.Env[2] != "env2=2" {
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t.Fatal("couldn't update")
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}
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WithEnv([]string{"env2"})(nil, nil, nil, &s)
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if len(s.Process.Env) != 2 {
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t.Fatal("couldn't unset")
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}
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}
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func TestWithMounts(t *testing.T) {
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t.Parallel()
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s := Spec{
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Mounts: []specs.Mount{
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{
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Source: "default-source",
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Destination: "default-dest",
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},
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},
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}
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WithMounts([]specs.Mount{
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{
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Source: "new-source",
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Destination: "new-dest",
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},
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})(nil, nil, nil, &s)
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if len(s.Mounts) != 2 {
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t.Fatal("didn't append")
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}
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if s.Mounts[1].Source != "new-source" {
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t.Fatal("invalid mount")
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}
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if s.Mounts[1].Destination != "new-dest" {
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t.Fatal("invalid mount")
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}
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}
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func TestWithDefaultSpec(t *testing.T) {
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t.Parallel()
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var (
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s Spec
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c = containers.Container{ID: "TestWithDefaultSpec"}
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ctx = namespaces.WithNamespace(context.Background(), "test")
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)
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if err := ApplyOpts(ctx, nil, &c, &s, WithDefaultSpec()); err != nil {
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t.Fatal(err)
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}
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var expected Spec
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var err error
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if runtime.GOOS == "windows" {
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err = populateDefaultWindowsSpec(ctx, &expected, c.ID)
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} else {
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err = populateDefaultUnixSpec(ctx, &expected, c.ID)
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}
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if err != nil {
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t.Fatal(err)
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}
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if reflect.DeepEqual(s, Spec{}) {
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t.Fatalf("spec should not be empty")
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}
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if !reflect.DeepEqual(&s, &expected) {
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t.Fatalf("spec from option differs from default: \n%#v != \n%#v", &s, expected)
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}
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}
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func TestWithSpecFromFile(t *testing.T) {
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t.Parallel()
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var (
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s Spec
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c = containers.Container{ID: "TestWithDefaultSpec"}
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ctx = namespaces.WithNamespace(context.Background(), "test")
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)
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fp, err := ioutil.TempFile("", "testwithdefaultspec.json")
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if err != nil {
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t.Fatal(err)
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}
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defer func() {
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if err := os.Remove(fp.Name()); err != nil {
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log.Printf("failed to remove tempfile %v: %v", fp.Name(), err)
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}
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}()
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defer fp.Close()
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expected, err := GenerateSpec(ctx, nil, &c)
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if err != nil {
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t.Fatal(err)
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}
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p, err := json.Marshal(expected)
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if err != nil {
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t.Fatal(err)
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}
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if _, err := fp.Write(p); err != nil {
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t.Fatal(err)
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}
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if err := ApplyOpts(ctx, nil, &c, &s, WithSpecFromFile(fp.Name())); err != nil {
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t.Fatal(err)
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}
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if reflect.DeepEqual(s, Spec{}) {
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t.Fatalf("spec should not be empty")
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}
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if !reflect.DeepEqual(&s, expected) {
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t.Fatalf("spec from option differs from default: \n%#v != \n%#v", &s, expected)
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}
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}
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