DockerCLI/cli/command/formatter/container_test.go

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package formatter
import (
"bytes"
"encoding/json"
"fmt"
"strings"
"testing"
"time"
"github.com/docker/docker/api/types"
"github.com/docker/docker/pkg/stringid"
"gotest.tools/assert"
is "gotest.tools/assert/cmp"
"gotest.tools/golden"
)
func TestContainerPsContext(t *testing.T) {
containerID := stringid.GenerateRandomID()
unix := time.Now().Add(-65 * time.Second).Unix()
var ctx containerContext
cases := []struct {
container types.Container
trunc bool
expValue string
call func() string
}{
{types.Container{ID: containerID}, true, stringid.TruncateID(containerID), ctx.ID},
{types.Container{ID: containerID}, false, containerID, ctx.ID},
{types.Container{Names: []string{"/foobar_baz"}}, true, "foobar_baz", ctx.Names},
{types.Container{Image: "ubuntu"}, true, "ubuntu", ctx.Image},
{types.Container{Image: "verylongimagename"}, true, "verylongimagename", ctx.Image},
{types.Container{Image: "verylongimagename"}, false, "verylongimagename", ctx.Image},
{types.Container{
Image: "a5a665ff33eced1e0803148700880edab4",
ImageID: "a5a665ff33eced1e0803148700880edab4269067ed77e27737a708d0d293fbf5",
},
true,
"a5a665ff33ec",
ctx.Image,
},
{types.Container{
Image: "a5a665ff33eced1e0803148700880edab4",
ImageID: "a5a665ff33eced1e0803148700880edab4269067ed77e27737a708d0d293fbf5",
},
false,
"a5a665ff33eced1e0803148700880edab4",
ctx.Image,
},
{types.Container{Image: ""}, true, "<no image>", ctx.Image},
{types.Container{Command: "sh -c 'ls -la'"}, true, `"sh -c 'ls -la'"`, ctx.Command},
{types.Container{Created: unix}, true, time.Unix(unix, 0).String(), ctx.CreatedAt},
{types.Container{Ports: []types.Port{{PrivatePort: 8080, PublicPort: 8080, Type: "tcp"}}}, true, "8080/tcp", ctx.Ports},
{types.Container{Status: "RUNNING"}, true, "RUNNING", ctx.Status},
{types.Container{SizeRw: 10}, true, "10B", ctx.Size},
{types.Container{SizeRw: 10, SizeRootFs: 20}, true, "10B (virtual 20B)", ctx.Size},
{types.Container{}, true, "", ctx.Labels},
{types.Container{Labels: map[string]string{"cpu": "6", "storage": "ssd"}}, true, "cpu=6,storage=ssd", ctx.Labels},
{types.Container{Created: unix}, true, "About a minute ago", ctx.RunningFor},
{types.Container{
Mounts: []types.MountPoint{
{
Name: "this-is-a-long-volume-name-and-will-be-truncated-if-trunc-is-set",
Driver: "local",
Source: "/a/path",
},
},
}, true, "this-is-a-long…", ctx.Mounts},
{types.Container{
Mounts: []types.MountPoint{
{
Driver: "local",
Source: "/a/path",
},
},
}, false, "/a/path", ctx.Mounts},
{types.Container{
Mounts: []types.MountPoint{
{
Name: "733908409c91817de8e92b0096373245f329f19a88e2c849f02460e9b3d1c203",
Driver: "local",
Source: "/a/path",
},
},
}, false, "733908409c91817de8e92b0096373245f329f19a88e2c849f02460e9b3d1c203", ctx.Mounts},
}
for _, c := range cases {
ctx = containerContext{c: c.container, trunc: c.trunc}
v := c.call()
if strings.Contains(v, ",") {
compareMultipleValues(t, v, c.expValue)
} else if v != c.expValue {
t.Fatalf("Expected %s, was %s\n", c.expValue, v)
}
}
c1 := types.Container{Labels: map[string]string{"com.docker.swarm.swarm-id": "33", "com.docker.swarm.node_name": "ubuntu"}}
ctx = containerContext{c: c1, trunc: true}
sid := ctx.Label("com.docker.swarm.swarm-id")
node := ctx.Label("com.docker.swarm.node_name")
if sid != "33" {
t.Fatalf("Expected 33, was %s\n", sid)
}
if node != "ubuntu" {
t.Fatalf("Expected ubuntu, was %s\n", node)
}
c2 := types.Container{}
ctx = containerContext{c: c2, trunc: true}
label := ctx.Label("anything.really")
if label != "" {
t.Fatalf("Expected an empty string, was %s", label)
}
}
func TestContainerContextWrite(t *testing.T) {
unixTime := time.Now().AddDate(0, 0, -1).Unix()
expectedTime := time.Unix(unixTime, 0).String()
cases := []struct {
context Context
expected string
}{
// Errors
{
Context{Format: "{{InvalidFunction}}"},
`Template parsing error: template: :1: function "InvalidFunction" not defined
`,
},
{
Context{Format: "{{nil}}"},
`Template parsing error: template: :1:2: executing "" at <nil>: nil is not a command
`,
},
// Table Format
{
Context{Format: NewContainerFormat("table", false, true)},
`CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES SIZE
containerID1 ubuntu "" 24 hours ago foobar_baz 0B
containerID2 ubuntu "" 24 hours ago foobar_bar 0B
`,
},
{
Context{Format: NewContainerFormat("table", false, false)},
`CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
containerID1 ubuntu "" 24 hours ago foobar_baz
containerID2 ubuntu "" 24 hours ago foobar_bar
`,
},
{
Context{Format: NewContainerFormat("table {{.Image}}", false, false)},
"IMAGE\nubuntu\nubuntu\n",
},
{
Context{Format: NewContainerFormat("table {{.Image}}", false, true)},
"IMAGE\nubuntu\nubuntu\n",
},
{
Context{Format: NewContainerFormat("table {{.Image}}", true, false)},
"IMAGE\nubuntu\nubuntu\n",
},
{
Context{Format: NewContainerFormat("table", true, false)},
"containerID1\ncontainerID2\n",
},
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{
Context{Format: NewContainerFormat("table {{.State}}", false, true)},
"STATE\nrunning\nrunning\n",
},
// Raw Format
{
Context{Format: NewContainerFormat("raw", false, false)},
fmt.Sprintf(`container_id: containerID1
image: ubuntu
command: ""
created_at: %s
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state: running
status:
names: foobar_baz
labels:
ports:
container_id: containerID2
image: ubuntu
command: ""
created_at: %s
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state: running
status:
names: foobar_bar
labels:
ports:
`, expectedTime, expectedTime),
},
{
Context{Format: NewContainerFormat("raw", false, true)},
fmt.Sprintf(`container_id: containerID1
image: ubuntu
command: ""
created_at: %s
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state: running
status:
names: foobar_baz
labels:
ports:
size: 0B
container_id: containerID2
image: ubuntu
command: ""
created_at: %s
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state: running
status:
names: foobar_bar
labels:
ports:
size: 0B
`, expectedTime, expectedTime),
},
{
Context{Format: NewContainerFormat("raw", true, false)},
"container_id: containerID1\ncontainer_id: containerID2\n",
},
// Custom Format
{
Context{Format: "{{.Image}}"},
"ubuntu\nubuntu\n",
},
{
Context{Format: NewContainerFormat("{{.Image}}", false, true)},
"ubuntu\nubuntu\n",
},
// Special headers for customized table format
{
Context{Format: NewContainerFormat(`table {{truncate .ID 5}}\t{{json .Image}} {{.RunningFor}}/{{title .Status}}/{{pad .Ports 2 2}}.{{upper .Names}} {{lower .Status}}`, false, true)},
string(golden.Get(t, "container-context-write-special-headers.golden")),
},
}
for _, testcase := range cases {
containers := []types.Container{
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{ID: "containerID1", Names: []string{"/foobar_baz"}, Image: "ubuntu", Created: unixTime, State: "running"},
{ID: "containerID2", Names: []string{"/foobar_bar"}, Image: "ubuntu", Created: unixTime, State: "running"},
}
out := bytes.NewBufferString("")
testcase.context.Output = out
err := ContainerWrite(testcase.context, containers)
if err != nil {
assert.Error(t, err, testcase.expected)
} else {
assert.Check(t, is.Equal(testcase.expected, out.String()))
}
}
}
func TestContainerContextWriteWithNoContainers(t *testing.T) {
out := bytes.NewBufferString("")
containers := []types.Container{}
contexts := []struct {
context Context
expected string
}{
{
Context{
Format: "{{.Image}}",
Output: out,
},
"",
},
{
Context{
Format: "table {{.Image}}",
Output: out,
},
"IMAGE\n",
},
{
Context{
Format: NewContainerFormat("{{.Image}}", false, true),
Output: out,
},
"",
},
{
Context{
Format: NewContainerFormat("table {{.Image}}", false, true),
Output: out,
},
"IMAGE\n",
},
{
Context{
Format: "table {{.Image}}\t{{.Size}}",
Output: out,
},
"IMAGE SIZE\n",
},
{
Context{
Format: NewContainerFormat("table {{.Image}}\t{{.Size}}", false, true),
Output: out,
},
"IMAGE SIZE\n",
},
}
for _, context := range contexts {
ContainerWrite(context.context, containers)
assert.Check(t, is.Equal(context.expected, out.String()))
// Clean buffer
out.Reset()
}
}
func TestContainerContextWriteJSON(t *testing.T) {
unix := time.Now().Add(-65 * time.Second).Unix()
containers := []types.Container{
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{ID: "containerID1", Names: []string{"/foobar_baz"}, Image: "ubuntu", Created: unix, State: "running"},
{ID: "containerID2", Names: []string{"/foobar_bar"}, Image: "ubuntu", Created: unix, State: "running"},
}
expectedCreated := time.Unix(unix, 0).String()
expectedJSONs := []map[string]interface{}{
{
"Command": "\"\"",
"CreatedAt": expectedCreated,
"ID": "containerID1",
"Image": "ubuntu",
"Labels": "",
"LocalVolumes": "0",
"Mounts": "",
"Names": "foobar_baz",
"Networks": "",
"Ports": "",
"RunningFor": "About a minute ago",
"Size": "0B",
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"State": "running",
"Status": "",
},
{
"Command": "\"\"",
"CreatedAt": expectedCreated,
"ID": "containerID2",
"Image": "ubuntu",
"Labels": "",
"LocalVolumes": "0",
"Mounts": "",
"Names": "foobar_bar",
"Networks": "",
"Ports": "",
"RunningFor": "About a minute ago",
"Size": "0B",
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"State": "running",
"Status": "",
},
}
out := bytes.NewBufferString("")
err := ContainerWrite(Context{Format: "{{json .}}", Output: out}, containers)
if err != nil {
t.Fatal(err)
}
for i, line := range strings.Split(strings.TrimSpace(out.String()), "\n") {
msg := fmt.Sprintf("Output: line %d: %s", i, line)
var m map[string]interface{}
err := json.Unmarshal([]byte(line), &m)
assert.NilError(t, err, msg)
assert.Check(t, is.DeepEqual(expectedJSONs[i], m), msg)
}
}
func TestContainerContextWriteJSONField(t *testing.T) {
containers := []types.Container{
{ID: "containerID1", Names: []string{"/foobar_baz"}, Image: "ubuntu"},
{ID: "containerID2", Names: []string{"/foobar_bar"}, Image: "ubuntu"},
}
out := bytes.NewBufferString("")
err := ContainerWrite(Context{Format: "{{json .ID}}", Output: out}, containers)
if err != nil {
t.Fatal(err)
}
for i, line := range strings.Split(strings.TrimSpace(out.String()), "\n") {
msg := fmt.Sprintf("Output: line %d: %s", i, line)
var s string
err := json.Unmarshal([]byte(line), &s)
assert.NilError(t, err, msg)
assert.Check(t, is.Equal(containers[i].ID, s), msg)
}
}
func TestContainerBackCompat(t *testing.T) {
containers := []types.Container{{ID: "brewhaha"}}
cases := []string{
"ID",
"Names",
"Image",
"Command",
"CreatedAt",
"RunningFor",
"Ports",
"Status",
"Size",
"Labels",
"Mounts",
}
buf := bytes.NewBuffer(nil)
for _, c := range cases {
ctx := Context{Format: Format(fmt.Sprintf("{{ .%s }}", c)), Output: buf}
if err := ContainerWrite(ctx, containers); err != nil {
t.Logf("could not render template for field '%s': %v", c, err)
t.Fail()
}
buf.Reset()
}
}
type ports struct {
ports []types.Port
expected string
}
// nolint: lll
func TestDisplayablePorts(t *testing.T) {
cases := []ports{
{
[]types.Port{
{
PrivatePort: 9988,
Type: "tcp",
},
},
"9988/tcp"},
{
[]types.Port{
{
PrivatePort: 9988,
Type: "udp",
},
},
"9988/udp",
},
{
[]types.Port{
{
IP: "0.0.0.0",
PrivatePort: 9988,
Type: "tcp",
},
},
"0.0.0.0:0->9988/tcp",
},
{
[]types.Port{
{
PrivatePort: 9988,
PublicPort: 8899,
Type: "tcp",
},
},
"9988/tcp",
},
{
[]types.Port{
{
IP: "4.3.2.1",
PrivatePort: 9988,
PublicPort: 8899,
Type: "tcp",
},
},
"4.3.2.1:8899->9988/tcp",
},
{
[]types.Port{
{
IP: "4.3.2.1",
PrivatePort: 9988,
PublicPort: 9988,
Type: "tcp",
},
},
"4.3.2.1:9988->9988/tcp",
},
{
[]types.Port{
{
PrivatePort: 9988,
Type: "udp",
}, {
PrivatePort: 9988,
Type: "udp",
},
},
"9988/udp, 9988/udp",
},
{
[]types.Port{
{
IP: "1.2.3.4",
PublicPort: 9998,
PrivatePort: 9998,
Type: "udp",
}, {
IP: "1.2.3.4",
PublicPort: 9999,
PrivatePort: 9999,
Type: "udp",
},
},
"1.2.3.4:9998-9999->9998-9999/udp",
},
{
[]types.Port{
{
IP: "1.2.3.4",
PublicPort: 8887,
PrivatePort: 9998,
Type: "udp",
}, {
IP: "1.2.3.4",
PublicPort: 8888,
PrivatePort: 9999,
Type: "udp",
},
},
"1.2.3.4:8887->9998/udp, 1.2.3.4:8888->9999/udp",
},
{
[]types.Port{
{
PrivatePort: 9998,
Type: "udp",
}, {
PrivatePort: 9999,
Type: "udp",
},
},
"9998-9999/udp",
},
{
[]types.Port{
{
IP: "1.2.3.4",
PrivatePort: 6677,
PublicPort: 7766,
Type: "tcp",
}, {
PrivatePort: 9988,
PublicPort: 8899,
Type: "udp",
},
},
"9988/udp, 1.2.3.4:7766->6677/tcp",
},
{
[]types.Port{
{
IP: "1.2.3.4",
PrivatePort: 9988,
PublicPort: 8899,
Type: "udp",
}, {
IP: "1.2.3.4",
PrivatePort: 9988,
PublicPort: 8899,
Type: "tcp",
}, {
IP: "4.3.2.1",
PrivatePort: 2233,
PublicPort: 3322,
Type: "tcp",
},
},
"4.3.2.1:3322->2233/tcp, 1.2.3.4:8899->9988/tcp, 1.2.3.4:8899->9988/udp",
},
{
[]types.Port{
{
PrivatePort: 9988,
PublicPort: 8899,
Type: "udp",
}, {
IP: "1.2.3.4",
PrivatePort: 6677,
PublicPort: 7766,
Type: "tcp",
}, {
IP: "4.3.2.1",
PrivatePort: 2233,
PublicPort: 3322,
Type: "tcp",
},
},
"9988/udp, 4.3.2.1:3322->2233/tcp, 1.2.3.4:7766->6677/tcp",
},
{
[]types.Port{
{
PrivatePort: 80,
Type: "tcp",
}, {
PrivatePort: 1024,
Type: "tcp",
}, {
PrivatePort: 80,
Type: "udp",
}, {
PrivatePort: 1024,
Type: "udp",
}, {
IP: "1.1.1.1",
PublicPort: 80,
PrivatePort: 1024,
Type: "tcp",
}, {
IP: "1.1.1.1",
PublicPort: 80,
PrivatePort: 1024,
Type: "udp",
}, {
IP: "1.1.1.1",
PublicPort: 1024,
PrivatePort: 80,
Type: "tcp",
}, {
IP: "1.1.1.1",
PublicPort: 1024,
PrivatePort: 80,
Type: "udp",
}, {
IP: "2.1.1.1",
PublicPort: 80,
PrivatePort: 1024,
Type: "tcp",
}, {
IP: "2.1.1.1",
PublicPort: 80,
PrivatePort: 1024,
Type: "udp",
}, {
IP: "2.1.1.1",
PublicPort: 1024,
PrivatePort: 80,
Type: "tcp",
}, {
IP: "2.1.1.1",
PublicPort: 1024,
PrivatePort: 80,
Type: "udp",
}, {
PrivatePort: 12345,
Type: "sctp",
},
},
"80/tcp, 80/udp, 1024/tcp, 1024/udp, 12345/sctp, 1.1.1.1:1024->80/tcp, 1.1.1.1:1024->80/udp, 2.1.1.1:1024->80/tcp, 2.1.1.1:1024->80/udp, 1.1.1.1:80->1024/tcp, 1.1.1.1:80->1024/udp, 2.1.1.1:80->1024/tcp, 2.1.1.1:80->1024/udp",
},
}
for _, port := range cases {
actual := DisplayablePorts(port.ports)
assert.Check(t, is.Equal(port.expected, actual))
}
}