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package libpod
import (
"encoding/json"
"net"
"path/filepath"
"reflect"
"strings"
"testing"
"time"
"github.com/containers/storage"
"github.com/cri-o/ocicni/pkg/ocicni"
"github.com/opencontainers/runtime-tools/generate"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func getTestContainer(id, name, locksDir string) (*Container, error) {
ctr := &Container{
config: &ContainerConfig{
ID: id,
Name: name,
RootfsImageID: id,
RootfsImageName: "testimg",
ImageVolumes: true,
StaticDir: "/does/not/exist/",
LogPath: "/does/not/exist/",
Stdin: true,
Labels: map[string]string{"a": "b", "c": "d"},
StopSignal: 0,
StopTimeout: 0,
CreatedTime: time.Now(),
Privileged: true,
Mounts: []string{"/does/not/exist"},
DNSServer: []net.IP{net.ParseIP("192.168.1.1"), net.ParseIP("192.168.2.2")},
DNSSearch: []string{"example.com", "example.example.com"},
PortMappings: []ocicni.PortMapping{
{
HostPort: 80,
ContainerPort: 90,
Protocol: "tcp",
HostIP: "192.168.3.3",
},
{
HostPort: 100,
ContainerPort: 110,
Protocol: "udp",
HostIP: "192.168.4.4",
},
},
},
state: &containerState{
State: ContainerStateRunning,
ConfigPath: "/does/not/exist/specs/" + id,
RunDir: "/does/not/exist/tmp/",
Mounted: true,
Mountpoint: "/does/not/exist/tmp/" + id,
PID: 1234,
ExecSessions: map[string]*ExecSession{
"abcd": {
ID: "1",
Command: []string{"2", "3"},
PID: 9876,
},
"ef01": {
ID: "5",
Command: []string{"hello", "world"},
PID: 46765,
},
},
BindMounts: map[string]string{
"/1/2/3": "/4/5/6",
"/test/file.test": "/test2/file2.test",
},
},
runtime: &Runtime{
config: &RuntimeConfig{
VolumePath: "/does/not/exist/tmp/volumes",
},
},
valid: true,
}
g, err := generate.New("linux")
if err != nil {
return nil, err
}
ctr.config.Spec = g.Config
ctr.config.Labels["test"] = "testing"
// Must make lockfile or container will error on being retrieved from DB
lockPath := filepath.Join(locksDir, id)
lock, err := storage.GetLockfile(lockPath)
if err != nil {
return nil, err
}
ctr.lock = lock
return ctr, nil
}
func getTestPod(id, name, locksDir string) (*Pod, error) {
pod := &Pod{
config: &PodConfig{
ID: id,
Name: name,
Labels: map[string]string{"a": "b", "c": "d"},
CgroupParent: "/hello/world/cgroup/parent",
},
state: &podState{
CgroupPath: "/path/to/cgroups/hello/",
},
valid: true,
}
lockPath := filepath.Join(locksDir, id)
lock, err := storage.GetLockfile(lockPath)
if err != nil {
return nil, err
}
pod.lock = lock
return pod, nil
}
func getTestCtrN(n, lockPath string) (*Container, error) {
return getTestContainer(strings.Repeat(n, 32), "test"+n, lockPath)
}
func getTestCtr1(lockPath string) (*Container, error) {
return getTestCtrN("1", lockPath)
}
func getTestCtr2(lockPath string) (*Container, error) {
return getTestCtrN("2", lockPath)
}
func getTestPodN(n, lockPath string) (*Pod, error) {
return getTestPod(strings.Repeat(n, 32), "test"+n, lockPath)
}
func getTestPod1(lockPath string) (*Pod, error) {
return getTestPodN("1", lockPath)
}
func getTestPod2(lockPath string) (*Pod, error) {
return getTestPodN("2", lockPath)
}
// This horrible hack tests if containers are equal in a way that should handle
// empty arrays being dropped to nil pointers in the spec JSON
// For some operations (container retrieval from the database) state is allowed
// to be empty. This is controlled by the allowedEmpty bool.
func testContainersEqual(t *testing.T, a, b *Container, allowedEmpty bool) {
if a == nil && b == nil {
return
}
require.NotNil(t, a)
require.NotNil(t, b)
require.NotNil(t, a.config)
require.NotNil(t, b.config)
require.NotNil(t, a.state)
require.NotNil(t, b.state)
aConfig := new(ContainerConfig)
bConfig := new(ContainerConfig)
aState := new(containerState)
bState := new(containerState)
blankState := new(containerState)
assert.Equal(t, a.valid, b.valid)
aConfigJSON, err := json.Marshal(a.config)
assert.NoError(t, err)
err = json.Unmarshal(aConfigJSON, aConfig)
assert.NoError(t, err)
bConfigJSON, err := json.Marshal(b.config)
assert.NoError(t, err)
err = json.Unmarshal(bConfigJSON, bConfig)
assert.NoError(t, err)
assert.EqualValues(t, aConfig, bConfig)
aStateJSON, err := json.Marshal(a.state)
assert.NoError(t, err)
err = json.Unmarshal(aStateJSON, aState)
assert.NoError(t, err)
bStateJSON, err := json.Marshal(b.state)
assert.NoError(t, err)
err = json.Unmarshal(bStateJSON, bState)
assert.NoError(t, err)
if allowedEmpty {
assert.True(t, reflect.DeepEqual(aState, bState) || reflect.DeepEqual(aState, blankState))
} else {
assert.EqualValues(t, aState, bState)
}
}
// Test if pods are equal.
// For some operations (pod retrieval from the database) state is allowed to be
// empty. This is controlled by the allowedEmpty bool.
func testPodsEqual(t *testing.T, a, b *Pod, allowedEmpty bool) {
if a == nil && b == nil {
return
}
blankState := new(podState)
require.NotNil(t, a)
require.NotNil(t, b)
require.NotNil(t, a.config)
require.NotNil(t, b.config)
require.NotNil(t, a.state)
require.NotNil(t, b.state)
assert.Equal(t, a.valid, b.valid)
assert.EqualValues(t, a.config, b.config)
if allowedEmpty {
assert.True(t, reflect.DeepEqual(a.state, b.state) || reflect.DeepEqual(a.state, blankState))
} else {
assert.EqualValues(t, a.state, b.state)
}
}
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