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container_test.go
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// Copyright 2013 go-dockerclient authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package docker
import (
"bufio"
"bytes"
"context"
"encoding/json"
"errors"
"fmt"
"io/ioutil"
"net"
"net/http"
"net/http/httptest"
"net/url"
"os"
"reflect"
"strconv"
"strings"
"testing"
"time"
)
func TestStateString(t *testing.T) {
t.Parallel()
started := time.Now().Add(-3 * time.Hour)
var tests = []struct {
name string
input State
expected string
}{
{"paused", State{Running: true, Paused: true, StartedAt: started}, "Up 3 hours (Paused)"},
{"restarting", State{Running: true, Restarting: true, ExitCode: 7, FinishedAt: started}, "Restarting (7) 3 hours ago"},
{"up", State{Running: true, StartedAt: started}, "Up 3 hours"},
{"being removed", State{RemovalInProgress: true}, "Removal In Progress"},
{"dead", State{Dead: true}, "Dead"},
{"created", State{}, "Created"},
{"no creation info", State{StartedAt: started}, ""},
{"erro code", State{ExitCode: 7, StartedAt: started, FinishedAt: started}, "Exited (7) 3 hours ago"},
}
for _, tt := range tests {
test := tt
t.Run(test.name, func(t *testing.T) {
t.Parallel()
if got := test.input.String(); got != test.expected {
t.Errorf("State.String(): wrong result. Want %q. Got %q.", test.expected, got)
}
})
}
}
func TestStateStateString(t *testing.T) {
t.Parallel()
started := time.Now().Add(-3 * time.Hour)
var tests = []struct {
input State
expected string
}{
{State{Running: true, Paused: true}, "paused"},
{State{Running: true, Restarting: true}, "restarting"},
{State{Running: true}, "running"},
{State{Dead: true}, "dead"},
{State{}, "created"},
{State{StartedAt: started}, "exited"},
}
for _, tt := range tests {
test := tt
t.Run(test.expected, func(t *testing.T) {
t.Parallel()
if got := test.input.StateString(); got != test.expected {
t.Errorf("State.String(): wrong result. Want %q. Got %q.", test.expected, got)
}
})
}
}
func TestListContainers(t *testing.T) {
t.Parallel()
jsonContainers := `[
{
"Id": "8dfafdbc3a40",
"Image": "base:latest",
"Command": "echo 1",
"Created": 1367854155,
"Ports":[{"PrivatePort": 2222, "PublicPort": 3333, "Type": "tcp"}],
"Status": "Exit 0"
},
{
"Id": "9cd87474be90",
"Image": "base:latest",
"Command": "echo 222222",
"Created": 1367854155,
"Ports":[{"PrivatePort": 2222, "PublicPort": 3333, "Type": "tcp"}],
"Status": "Exit 0"
},
{
"Id": "3176a2479c92",
"Image": "base:latest",
"Command": "echo 3333333333333333",
"Created": 1367854154,
"Ports":[{"PrivatePort": 2221, "PublicPort": 3331, "Type": "tcp"}],
"Status": "Exit 0"
},
{
"Id": "4cb07b47f9fb",
"Image": "base:latest",
"Command": "echo 444444444444444444444444444444444",
"Ports":[{"PrivatePort": 2223, "PublicPort": 3332, "Type": "tcp"}],
"Created": 1367854152,
"Status": "Exit 0"
}
]`
var expected []APIContainers
err := json.Unmarshal([]byte(jsonContainers), &expected)
if err != nil {
t.Fatal(err)
}
client := newTestClient(&FakeRoundTripper{message: jsonContainers, status: http.StatusOK})
containers, err := client.ListContainers(ListContainersOptions{})
if err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(containers, expected) {
t.Errorf("ListContainers: Expected %#v. Got %#v.", expected, containers)
}
}
func TestListContainersParams(t *testing.T) {
t.Parallel()
var tests = []struct {
input ListContainersOptions
params map[string][]string
}{
{ListContainersOptions{}, map[string][]string{}},
{ListContainersOptions{All: true}, map[string][]string{"all": {"1"}}},
{ListContainersOptions{All: true, Limit: 10}, map[string][]string{"all": {"1"}, "limit": {"10"}}},
{
ListContainersOptions{All: true, Limit: 10, Since: "adf9983", Before: "abdeef"},
map[string][]string{"all": {"1"}, "limit": {"10"}, "since": {"adf9983"}, "before": {"abdeef"}},
},
{
ListContainersOptions{Filters: map[string][]string{"status": {"paused", "running"}}},
map[string][]string{"filters": {"{\"status\":[\"paused\",\"running\"]}"}},
},
{
ListContainersOptions{All: true, Filters: map[string][]string{"exited": {"0"}, "status": {"exited"}}},
map[string][]string{"all": {"1"}, "filters": {"{\"exited\":[\"0\"],\"status\":[\"exited\"]}"}},
},
}
const expectedPath = "/containers/json"
for _, tt := range tests {
test := tt
t.Run("", func(t *testing.T) {
t.Parallel()
fakeRT := &FakeRoundTripper{message: "[]", status: http.StatusOK}
client := newTestClient(fakeRT)
if _, err := client.ListContainers(test.input); err != nil {
t.Error(err)
}
got := map[string][]string(fakeRT.requests[0].URL.Query())
if !reflect.DeepEqual(got, test.params) {
t.Errorf("Expected %#v, got %#v.", test.params, got)
}
if path := fakeRT.requests[0].URL.Path; path != expectedPath {
t.Errorf("Wrong path on request. Want %q. Got %q.", expectedPath, path)
}
if meth := fakeRT.requests[0].Method; meth != "GET" {
t.Errorf("Wrong HTTP method. Want GET. Got %s.", meth)
}
})
}
}
func TestListContainersFailure(t *testing.T) {
t.Parallel()
var tests = []struct {
status int
message string
}{
{400, "bad parameter"},
{500, "internal server error"},
}
for _, tt := range tests {
test := tt
t.Run(strconv.Itoa(test.status), func(t *testing.T) {
t.Parallel()
client := newTestClient(&FakeRoundTripper{message: test.message, status: test.status})
expected := Error{Status: test.status, Message: test.message}
containers, err := client.ListContainers(ListContainersOptions{})
if !reflect.DeepEqual(expected, *err.(*Error)) {
t.Errorf("Wrong error in ListContainers. Want %#v. Got %#v.", expected, err)
}
if len(containers) > 0 {
t.Errorf("ListContainers failure. Expected empty list. Got %#v.", containers)
}
})
}
}
func TestInspectContainer(t *testing.T) {
t.Parallel()
jsonContainer := `{
"Id": "4fa6e0f0c6786287e131c3852c58a2e01cc697a68231826813597e4994f1d6e2",
"AppArmorProfile": "Profile",
"Created": "2013-05-07T14:51:42.087658+02:00",
"Path": "date",
"Args": [],
"Config": {
"Hostname": "4fa6e0f0c678",
"User": "",
"Memory": 17179869184,
"MemorySwap": 34359738368,
"AttachStdin": false,
"AttachStdout": true,
"AttachStderr": true,
"PortSpecs": null,
"Tty": false,
"OpenStdin": false,
"StdinOnce": false,
"Env": null,
"Cmd": [
"date"
],
"Image": "base",
"Volumes": {},
"VolumesFrom": "",
"SecurityOpt": [
"label:user:USER"
],
"Ulimits": [
{ "Name": "nofile", "Soft": 1024, "Hard": 2048 }
],
"Shell": [
"/bin/sh", "-c"
]
},
"State": {
"Running": false,
"Pid": 0,
"ExitCode": 0,
"StartedAt": "2013-05-07T14:51:42.087658+02:00",
"Ghost": false
},
"Node": {
"ID": "4I4E:QR4I:Z733:QEZK:5X44:Q4T7:W2DD:JRDY:KB2O:PODO:Z5SR:XRB6",
"IP": "192.168.99.105",
"Addra": "192.168.99.105:2376",
"Name": "node-01",
"Cpus": 4,
"Memory": 1048436736,
"Labels": {
"executiondriver": "native-0.2",
"kernelversion": "3.18.5-tinycore64",
"operatingsystem": "Boot2Docker 1.5.0 (TCL 5.4); master : a66bce5 - Tue Feb 10 23:31:27 UTC 2015",
"provider": "virtualbox",
"storagedriver": "aufs"
}
},
"Image": "b750fe79269d2ec9a3c593ef05b4332b1d1a02a62b4accb2c21d589ff2f5f2dc",
"NetworkSettings": {
"IpAddress": "",
"IpPrefixLen": 0,
"Gateway": "",
"Bridge": "",
"PortMapping": null
},
"SysInitPath": "/home/kitty/go/src/github.com/dotcloud/docker/bin/docker",
"ResolvConfPath": "/etc/resolv.conf",
"Volumes": {},
"HostConfig": {
"Binds": null,
"ContainerIDFile": "",
"LxcConf": [],
"Privileged": false,
"PortBindings": {
"80/tcp": [
{
"HostIp": "0.0.0.0",
"HostPort": "49153"
}
]
},
"Links": null,
"PublishAllPorts": false,
"CgroupParent": "/mesos",
"Memory": 17179869184,
"MemorySwap": 34359738368,
"GroupAdd": ["fake", "12345"],
"OomScoreAdj": 642
}
}`
var expected Container
err := json.Unmarshal([]byte(jsonContainer), &expected)
if err != nil {
t.Fatal(err)
}
fakeRT := &FakeRoundTripper{message: jsonContainer, status: http.StatusOK}
client := newTestClient(fakeRT)
id := "4fa6e0f0c678"
container, err := client.InspectContainer(id)
if err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(*container, expected) {
t.Errorf("InspectContainer(%q): Expected %#v. Got %#v.", id, expected, container)
}
expectedURL, _ := url.Parse(client.getURL("/containers/4fa6e0f0c678/json"))
if gotPath := fakeRT.requests[0].URL.Path; gotPath != expectedURL.Path {
t.Errorf("InspectContainer(%q): Wrong path in request. Want %q. Got %q.", id, expectedURL.Path, gotPath)
}
}
func TestInspectContainerWithContext(t *testing.T) {
t.Parallel()
jsonContainer := `{
"Id": "4fa6e0f0c6786287e131c3852c58a2e01cc697a68231826813597e4994f1d6e2",
"AppArmorProfile": "Profile",
"Created": "2013-05-07T14:51:42.087658+02:00",
"Path": "date",
"Args": [],
"Config": {
"Hostname": "4fa6e0f0c678",
"User": "",
"Memory": 17179869184,
"MemorySwap": 34359738368,
"AttachStdin": false,
"AttachStdout": true,
"AttachStderr": true,
"PortSpecs": null,
"Tty": false,
"OpenStdin": false,
"StdinOnce": false,
"Env": null,
"Cmd": [
"date"
],
"Image": "base",
"Volumes": {},
"VolumesFrom": "",
"SecurityOpt": [
"label:user:USER"
],
"Ulimits": [
{ "Name": "nofile", "Soft": 1024, "Hard": 2048 }
]
},
"State": {
"Running": false,
"Pid": 0,
"ExitCode": 0,
"StartedAt": "2013-05-07T14:51:42.087658+02:00",
"Ghost": false
},
"Node": {
"ID": "4I4E:QR4I:Z733:QEZK:5X44:Q4T7:W2DD:JRDY:KB2O:PODO:Z5SR:XRB6",
"IP": "192.168.99.105",
"Addra": "192.168.99.105:2376",
"Name": "node-01",
"Cpus": 4,
"Memory": 1048436736,
"Labels": {
"executiondriver": "native-0.2",
"kernelversion": "3.18.5-tinycore64",
"operatingsystem": "Boot2Docker 1.5.0 (TCL 5.4); master : a66bce5 - Tue Feb 10 23:31:27 UTC 2015",
"provider": "virtualbox",
"storagedriver": "aufs"
}
},
"Image": "b750fe79269d2ec9a3c593ef05b4332b1d1a02a62b4accb2c21d589ff2f5f2dc",
"NetworkSettings": {
"IpAddress": "",
"IpPrefixLen": 0,
"Gateway": "",
"Bridge": "",
"PortMapping": null
},
"SysInitPath": "/home/kitty/go/src/github.com/dotcloud/docker/bin/docker",
"ResolvConfPath": "/etc/resolv.conf",
"Volumes": {},
"HostConfig": {
"Binds": null,
"BlkioDeviceReadIOps": [
{
"Path": "/dev/sdb",
"Rate": 100
}
],
"BlkioDeviceWriteBps": [
{
"Path": "/dev/sdb",
"Rate": 5000
}
],
"ContainerIDFile": "",
"LxcConf": [],
"Privileged": false,
"PortBindings": {
"80/tcp": [
{
"HostIp": "0.0.0.0",
"HostPort": "49153"
}
]
},
"Links": null,
"PublishAllPorts": false,
"CgroupParent": "/mesos",
"Memory": 17179869184,
"MemorySwap": 34359738368,
"GroupAdd": ["fake", "12345"],
"OomScoreAdj": 642
}
}`
var expected Container
err := json.Unmarshal([]byte(jsonContainer), &expected)
if err != nil {
t.Fatal(err)
}
fakeRT := &FakeRoundTripper{message: jsonContainer, status: http.StatusOK}
client := newTestClient(fakeRT)
id := "4fa6e0f0c678"
ctx, cancel := context.WithTimeout(context.TODO(), 1*time.Second)
defer cancel()
inspectError := make(chan error)
// Invoke InspectContainer in a goroutine. The response is sent to the 'inspectError'
// channel.
go func() {
container, err := client.InspectContainer(id)
if err != nil {
inspectError <- err
return
}
if !reflect.DeepEqual(*container, expected) {
inspectError <- fmt.Errorf("inspectContainer(%q): Expected %#v. Got %#v", id, expected, container)
return
}
expectedURL, _ := url.Parse(client.getURL("/containers/4fa6e0f0c678/json"))
if gotPath := fakeRT.requests[0].URL.Path; gotPath != expectedURL.Path {
inspectError <- fmt.Errorf("inspectContainer(%q): Wrong path in request. Want %q. Got %q", id, expectedURL.Path, gotPath)
return
}
// No errors to tbe reported. Send 'nil'
inspectError <- nil
}()
// Wait for either the inspect response or for the context.
select {
case err := <-inspectError:
if err != nil {
t.Fatalf("Error inspecting container with context: %v", err)
}
case <-ctx.Done():
// Context was canceled unexpectedly. Report the same.
t.Fatalf("Context canceled when waiting for inspect container response: %v", ctx.Err())
}
}
func TestInspectContainerNetwork(t *testing.T) {
t.Parallel()
jsonContainer := `{
"Id": "81e1bbe20b5508349e1c804eb08b7b6ca8366751dbea9f578b3ea0773fa66c1c",
"Created": "2015-11-12T14:54:04.791485659Z",
"Path": "consul-template",
"Args": [
"-config=/tmp/haproxy.json",
"-consul=192.168.99.120:8500"
],
"State": {
"Status": "running",
"Running": true,
"Paused": false,
"Restarting": false,
"OOMKilled": false,
"Dead": false,
"Pid": 3196,
"ExitCode": 0,
"Error": "",
"StartedAt": "2015-11-12T14:54:05.026747471Z",
"FinishedAt": "0001-01-01T00:00:00Z"
},
"Image": "4921c5917fc117df3dec32f4c1976635dc6c56ccd3336fe1db3477f950e78bf7",
"ResolvConfPath": "/mnt/sda1/var/lib/docker/containers/81e1bbe20b5508349e1c804eb08b7b6ca8366751dbea9f578b3ea0773fa66c1c/resolv.conf",
"HostnamePath": "/mnt/sda1/var/lib/docker/containers/81e1bbe20b5508349e1c804eb08b7b6ca8366751dbea9f578b3ea0773fa66c1c/hostname",
"HostsPath": "/mnt/sda1/var/lib/docker/containers/81e1bbe20b5508349e1c804eb08b7b6ca8366751dbea9f578b3ea0773fa66c1c/hosts",
"LogPath": "/mnt/sda1/var/lib/docker/containers/81e1bbe20b5508349e1c804eb08b7b6ca8366751dbea9f578b3ea0773fa66c1c/81e1bbe20b5508349e1c804eb08b7b6ca8366751dbea9f578b3ea0773fa66c1c-json.log",
"Node": {
"ID": "AUIB:LFOT:3LSF:SCFS:OYDQ:NLXD:JZNE:4INI:3DRC:ZFBB:GWCY:DWJK",
"IP": "192.168.99.121",
"Addr": "192.168.99.121:2376",
"Name": "swl-demo1",
"Cpus": 1,
"Memory": 2099945472,
"Labels": {
"executiondriver": "native-0.2",
"kernelversion": "4.1.12-boot2docker",
"operatingsystem": "Boot2Docker 1.9.0 (TCL 6.4); master : 16e4a2a - Tue Nov 3 19:49:22 UTC 2015",
"provider": "virtualbox",
"storagedriver": "aufs"
}
},
"Name": "/docker-proxy.swl-demo1",
"RestartCount": 0,
"Driver": "aufs",
"ExecDriver": "native-0.2",
"MountLabel": "",
"ProcessLabel": "",
"AppArmorProfile": "",
"ExecIDs": null,
"HostConfig": {
"Binds": null,
"ContainerIDFile": "",
"LxcConf": [],
"Memory": 0,
"MemoryReservation": 0,
"MemorySwap": 0,
"KernelMemory": 0,
"CpuShares": 0,
"CpuPeriod": 0,
"CpusetCpus": "",
"CpusetMems": "",
"CpuQuota": 0,
"BlkioWeight": 0,
"OomKillDisable": false,
"MemorySwappiness": -1,
"Privileged": false,
"PortBindings": {
"443/tcp": [
{
"HostIp": "",
"HostPort": "443"
}
]
},
"Links": null,
"PublishAllPorts": false,
"Dns": null,
"DnsOptions": null,
"DnsSearch": null,
"ExtraHosts": null,
"VolumesFrom": null,
"Devices": [],
"NetworkMode": "swl-net",
"IpcMode": "",
"PidMode": "",
"UTSMode": "",
"CapAdd": null,
"CapDrop": null,
"GroupAdd": null,
"RestartPolicy": {
"Name": "no",
"MaximumRetryCount": 0
},
"SecurityOpt": null,
"ReadonlyRootfs": false,
"Ulimits": null,
"LogConfig": {
"Type": "json-file",
"Config": {}
},
"CgroupParent": "",
"ConsoleSize": [
0,
0
],
"VolumeDriver": ""
},
"GraphDriver": {
"Name": "aufs",
"Data": null
},
"Mounts": [],
"Config": {
"Hostname": "81e1bbe20b55",
"Domainname": "",
"User": "",
"AttachStdin": false,
"AttachStdout": false,
"AttachStderr": false,
"ExposedPorts": {
"443/tcp": {}
},
"Tty": false,
"OpenStdin": false,
"StdinOnce": false,
"Env": [
"DOMAIN=local.auto",
"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
"CONSUL_TEMPLATE_VERSION=0.11.1"
],
"Cmd": [
"-consul=192.168.99.120:8500"
],
"Image": "docker-proxy:latest",
"Volumes": null,
"WorkingDir": "",
"Entrypoint": [
"consul-template",
"-config=/tmp/haproxy.json"
],
"OnBuild": null,
"Labels": {},
"StopSignal": "SIGTERM"
},
"NetworkSettings": {
"Bridge": "",
"SandboxID": "c6b903dc5c1a96113a22dbc44709e30194079bd2d262eea1eb4f38d85821f6e1",
"HairpinMode": false,
"LinkLocalIPv6Address": "",
"LinkLocalIPv6PrefixLen": 0,
"Ports": {
"443/tcp": [
{
"HostIp": "192.168.99.121",
"HostPort": "443"
}
]
},
"SandboxKey": "/var/run/docker/netns/c6b903dc5c1a",
"SecondaryIPAddresses": null,
"SecondaryIPv6Addresses": null,
"EndpointID": "",
"Gateway": "",
"GlobalIPv6Address": "",
"GlobalIPv6PrefixLen": 0,
"IPAddress": "",
"IPPrefixLen": 0,
"IPv6Gateway": "",
"MacAddress": "",
"Networks": {
"swl-net": {
"Aliases": [
"testalias",
"81e1bbe20b55"
],
"NetworkID": "7ea29fc1412292a2d7bba362f9253545fecdfa8ce9a6e37dd10ba8bee7129812",
"EndpointID": "683e3092275782a53c3b0968cc7e3a10f23264022ded9cb20490902f96fc5981",
"Gateway": "",
"IPAddress": "10.0.0.3",
"IPPrefixLen": 24,
"IPv6Gateway": "",
"GlobalIPv6Address": "",
"GlobalIPv6PrefixLen": 0,
"MacAddress": "02:42:0a:00:00:03"
}
}
}
}`
fakeRT := &FakeRoundTripper{message: jsonContainer, status: http.StatusOK}
client := newTestClient(fakeRT)
id := "81e1bbe20b55"
expIP := "10.0.0.3"
expNetworkID := "7ea29fc1412292a2d7bba362f9253545fecdfa8ce9a6e37dd10ba8bee7129812"
expectedAliases := []string{"testalias", "81e1bbe20b55"}
container, err := client.InspectContainer(id)
if err != nil {
t.Fatal(err)
}
s := reflect.Indirect(reflect.ValueOf(container.NetworkSettings))
networks := s.FieldByName("Networks")
if networks.IsValid() {
var ip string
for _, net := range networks.MapKeys() {
if net.Interface().(string) == container.HostConfig.NetworkMode {
ip = networks.MapIndex(net).FieldByName("IPAddress").Interface().(string)
t.Logf("%s %v", net, ip)
}
}
if ip != expIP {
t.Errorf("InspectContainerNetworks(%q): Expected %#v. Got %#v.", id, expIP, ip)
}
var networkID string
for _, net := range networks.MapKeys() {
if net.Interface().(string) == container.HostConfig.NetworkMode {
networkID = networks.MapIndex(net).FieldByName("NetworkID").Interface().(string)
t.Logf("%s %v", net, networkID)
}
}
var aliases []string
for _, net := range networks.MapKeys() {
if net.Interface().(string) == container.HostConfig.NetworkMode {
aliases = networks.MapIndex(net).FieldByName("Aliases").Interface().([]string)
}
}
if !reflect.DeepEqual(aliases, expectedAliases) {
t.Errorf("InspectContainerNetworks(%q): Expected Aliases %#v. Got %#v.", id, expectedAliases, aliases)
}
if networkID != expNetworkID {
t.Errorf("InspectContainerNetworks(%q): Expected %#v. Got %#v.", id, expNetworkID, networkID)
}
} else {
t.Errorf("InspectContainerNetworks(%q): No method Networks for NetworkSettings", id)
}
}
func TestInspectContainerNegativeSwap(t *testing.T) {
t.Parallel()
jsonContainer := `{
"Id": "4fa6e0f0c6786287e131c3852c58a2e01cc697a68231826813597e4994f1d6e2",
"Created": "2013-05-07T14:51:42.087658+02:00",
"Path": "date",
"Args": [],
"Config": {
"Hostname": "4fa6e0f0c678",
"User": "",
"Memory": 17179869184,
"MemorySwap": -1,
"AttachStdin": false,
"AttachStdout": true,
"AttachStderr": true,
"PortSpecs": null,
"Tty": false,
"OpenStdin": false,
"StdinOnce": false,
"Env": null,
"Cmd": [
"date"
],
"Image": "base",
"Volumes": {},
"VolumesFrom": ""
},
"State": {
"Running": false,
"Pid": 0,
"ExitCode": 0,
"StartedAt": "2013-05-07T14:51:42.087658+02:00",
"Ghost": false
},
"Image": "b750fe79269d2ec9a3c593ef05b4332b1d1a02a62b4accb2c21d589ff2f5f2dc",
"NetworkSettings": {
"IpAddress": "",
"IpPrefixLen": 0,
"Gateway": "",
"Bridge": "",
"PortMapping": null
},
"SysInitPath": "/home/kitty/go/src/github.com/dotcloud/docker/bin/docker",
"ResolvConfPath": "/etc/resolv.conf",
"Volumes": {},
"HostConfig": {
"Binds": null,
"ContainerIDFile": "",
"LxcConf": [],
"Privileged": false,
"PortBindings": {
"80/tcp": [
{
"HostIp": "0.0.0.0",
"HostPort": "49153"
}
]
},
"Links": null,
"PublishAllPorts": false
}
}`
var expected Container
err := json.Unmarshal([]byte(jsonContainer), &expected)
if err != nil {
t.Fatal(err)
}
fakeRT := &FakeRoundTripper{message: jsonContainer, status: http.StatusOK}
client := newTestClient(fakeRT)
id := "4fa6e0f0c678"
container, err := client.InspectContainer(id)
if err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(*container, expected) {
t.Errorf("InspectContainer(%q): Expected %#v. Got %#v.", id, expected, container)
}
expectedURL, _ := url.Parse(client.getURL("/containers/4fa6e0f0c678/json"))
if gotPath := fakeRT.requests[0].URL.Path; gotPath != expectedURL.Path {
t.Errorf("InspectContainer(%q): Wrong path in request. Want %q. Got %q.", id, expectedURL.Path, gotPath)
}
}
func TestInspectContainerFailure(t *testing.T) {
t.Parallel()
client := newTestClient(&FakeRoundTripper{message: "server error", status: 500})
expected := Error{Status: 500, Message: "server error"}
container, err := client.InspectContainer("abe033")
if container != nil {
t.Errorf("InspectContainer: Expected <nil> container, got %#v", container)
}
if !reflect.DeepEqual(expected, *err.(*Error)) {
t.Errorf("InspectContainer: Wrong error information. Want %#v. Got %#v.", expected, err)
}
}
func TestInspectContainerNotFound(t *testing.T) {
t.Parallel()
client := newTestClient(&FakeRoundTripper{message: "no such container", status: 404})
container, err := client.InspectContainer("abe033")
if container != nil {
t.Errorf("InspectContainer: Expected <nil> container, got %#v", container)
}
expected := &NoSuchContainer{ID: "abe033"}
if !reflect.DeepEqual(err, expected) {
t.Errorf("InspectContainer: Wrong error information. Want %#v. Got %#v.", expected, err)
}
}
func TestContainerChanges(t *testing.T) {
t.Parallel()
jsonChanges := `[
{
"Path":"/dev",
"Kind":0
},
{
"Path":"/dev/kmsg",
"Kind":1
},
{
"Path":"/test",
"Kind":1
}
]`
var expected []Change
err := json.Unmarshal([]byte(jsonChanges), &expected)
if err != nil {
t.Fatal(err)
}
fakeRT := &FakeRoundTripper{message: jsonChanges, status: http.StatusOK}
client := newTestClient(fakeRT)
id := "4fa6e0f0c678"
changes, err := client.ContainerChanges(id)
if err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(changes, expected) {
t.Errorf("ContainerChanges(%q): Expected %#v. Got %#v.", id, expected, changes)
}
expectedURL, _ := url.Parse(client.getURL("/containers/4fa6e0f0c678/changes"))
if gotPath := fakeRT.requests[0].URL.Path; gotPath != expectedURL.Path {
t.Errorf("ContainerChanges(%q): Wrong path in request. Want %q. Got %q.", id, expectedURL.Path, gotPath)
}
}
func TestContainerChangesFailure(t *testing.T) {
t.Parallel()
client := newTestClient(&FakeRoundTripper{message: "server error", status: 500})
expected := Error{Status: 500, Message: "server error"}
changes, err := client.ContainerChanges("abe033")
if changes != nil {
t.Errorf("ContainerChanges: Expected <nil> changes, got %#v", changes)
}
if !reflect.DeepEqual(expected, *err.(*Error)) {
t.Errorf("ContainerChanges: Wrong error information. Want %#v. Got %#v.", expected, err)
}
}
func TestContainerChangesNotFound(t *testing.T) {
t.Parallel()
client := newTestClient(&FakeRoundTripper{message: "no such container", status: 404})
changes, err := client.ContainerChanges("abe033")
if changes != nil {
t.Errorf("ContainerChanges: Expected <nil> changes, got %#v", changes)
}
expected := &NoSuchContainer{ID: "abe033"}
if !reflect.DeepEqual(err, expected) {
t.Errorf("ContainerChanges: Wrong error information. Want %#v. Got %#v.", expected, err)
}
}
func TestCreateContainer(t *testing.T) {
t.Parallel()
jsonContainer := `{
"Id": "4fa6e0f0c6786287e131c3852c58a2e01cc697a68231826813597e4994f1d6e2",
"Warnings": []
}`
var expected Container
err := json.Unmarshal([]byte(jsonContainer), &expected)
if err != nil {
t.Fatal(err)
}
fakeRT := &FakeRoundTripper{message: jsonContainer, status: http.StatusOK}
client := newTestClient(fakeRT)
config := Config{AttachStdout: true, AttachStdin: true}
opts := CreateContainerOptions{Name: "TestCreateContainer", Config: &config}
container, err := client.CreateContainer(opts)
if err != nil {
t.Fatal(err)
}
id := "4fa6e0f0c6786287e131c3852c58a2e01cc697a68231826813597e4994f1d6e2"
if container.ID != id {
t.Errorf("CreateContainer: wrong ID. Want %q. Got %q.", id, container.ID)
}
req := fakeRT.requests[0]
if req.Method != "POST" {
t.Errorf("CreateContainer: wrong HTTP method. Want %q. Got %q.", "POST", req.Method)
}
expectedURL, _ := url.Parse(client.getURL("/containers/create"))
if gotPath := req.URL.Path; gotPath != expectedURL.Path {
t.Errorf("CreateContainer: Wrong path in request. Want %q. Got %q.", expectedURL.Path, gotPath)
}
var gotBody Config
err = json.NewDecoder(req.Body).Decode(&gotBody)
if err != nil {
t.Fatal(err)
}
}
func TestCreateContainerImageNotFound(t *testing.T) {
t.Parallel()
client := newTestClient(&FakeRoundTripper{message: "No such image: whatever", status: http.StatusNotFound})
config := Config{AttachStdout: true, AttachStdin: true}
container, err := client.CreateContainer(CreateContainerOptions{Config: &config})
if container != nil {
t.Errorf("CreateContainer: expected <nil> container, got %#v.", container)
}
if !reflect.DeepEqual(err, ErrNoSuchImage) {
t.Errorf("CreateContainer: Wrong error type. Want %#v. Got %#v.", ErrNoSuchImage, err)
}
}
func TestCreateContainerDuplicateName(t *testing.T) {
t.Parallel()
client := newTestClient(&FakeRoundTripper{message: "No such image", status: http.StatusConflict})
config := Config{AttachStdout: true, AttachStdin: true}
container, err := client.CreateContainer(CreateContainerOptions{Config: &config})
if container != nil {
t.Errorf("CreateContainer: expected <nil> container, got %#v.", container)
}
if err != ErrContainerAlreadyExists {
t.Errorf("CreateContainer: Wrong error type. Want %#v. Got %#v.", ErrContainerAlreadyExists, err)
}
}
// Workaround for 17.09 bug returning 400 instead of 409.
// See https://github.com/moby/moby/issues/35021
func TestCreateContainerDuplicateNameWorkaroundDocker17_09(t *testing.T) {
t.Parallel()
client := newTestClient(&FakeRoundTripper{message: `{"message":"Conflict. The container name \"/c1\" is already in use by container \"2ce137e165dfca5e087f247b5d05a2311f91ef3da4bb7772168446a1a47e2f68\". You have to remove (or rename) that container to be able to reuse that name."}`, status: http.StatusBadRequest})
config := Config{AttachStdout: true, AttachStdin: true}
container, err := client.CreateContainer(CreateContainerOptions{Config: &config})
if container != nil {
t.Errorf("CreateContainer: expected <nil> container, got %#v.", container)
}
if err != ErrContainerAlreadyExists {
t.Errorf("CreateContainer: Wrong error type. Want %#v. Got %#v.", ErrContainerAlreadyExists, err)
}
}
func TestCreateContainerWithHostConfig(t *testing.T) {
t.Parallel()
fakeRT := &FakeRoundTripper{message: "{}", status: http.StatusOK}
client := newTestClient(fakeRT)
config := Config{}
hostConfig := HostConfig{PublishAllPorts: true}
opts := CreateContainerOptions{Name: "TestCreateContainerWithHostConfig", Config: &config, HostConfig: &hostConfig}
_, err := client.CreateContainer(opts)
if err != nil {
t.Fatal(err)
}
req := fakeRT.requests[0]
var gotBody map[string]interface{}
err = json.NewDecoder(req.Body).Decode(&gotBody)
if err != nil {
t.Fatal(err)
}
if _, ok := gotBody["HostConfig"]; !ok {
t.Errorf("CreateContainer: wrong body. HostConfig was not serialized")
}
}
func TestUpdateContainer(t *testing.T) {
t.Parallel()
fakeRT := &FakeRoundTripper{message: "", status: http.StatusOK}
client := newTestClient(fakeRT)
id := "4fa6e0f0c6786287e131c3852c58a2e01cc697a68231826813597e4994f1d6e2"
update := UpdateContainerOptions{Memory: 12345, CpusetMems: "0,1"}
err := client.UpdateContainer(id, update)
if err != nil {
t.Fatal(err)
}
req := fakeRT.requests[0]
if req.Method != "POST" {
t.Errorf("UpdateContainer: wrong HTTP method. Want %q. Got %q.", "POST", req.Method)
}
expectedURL, _ := url.Parse(client.getURL("/containers/" + id + "/update"))
if gotPath := req.URL.Path; gotPath != expectedURL.Path {
t.Errorf("UpdateContainer: Wrong path in request. Want %q. Got %q.", expectedURL.Path, gotPath)
}
expectedContentType := "application/json"
if contentType := req.Header.Get("Content-Type"); contentType != expectedContentType {
t.Errorf("UpdateContainer: Wrong content-type in request. Want %q. Got %q.", expectedContentType, contentType)
}