DockerCLI/cli/command/formatter/service_test.go

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package formatter
import (
"bytes"
"encoding/json"
"fmt"
"strings"
"testing"
"github.com/docker/docker/api/types/swarm"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestServiceContextWrite(t *testing.T) {
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: NewServiceListFormat("table", false)},
`ID NAME MODE REPLICAS IMAGE PORTS
id_baz baz global 2/4 *:80->8080/tcp
id_bar bar replicated 2/4 *:80->8080/tcp
`,
},
{
Context{Format: NewServiceListFormat("table", true)},
`id_baz
id_bar
`,
},
{
Context{Format: NewServiceListFormat("table {{.Name}}", false)},
`NAME
baz
bar
`,
},
{
Context{Format: NewServiceListFormat("table {{.Name}}", true)},
`NAME
baz
bar
`,
},
// Raw Format
{
Context{Format: NewServiceListFormat("raw", false)},
`id: id_baz
name: baz
mode: global
replicas: 2/4
image:
ports: *:80->8080/tcp
id: id_bar
name: bar
mode: replicated
replicas: 2/4
image:
ports: *:80->8080/tcp
`,
},
{
Context{Format: NewServiceListFormat("raw", true)},
`id: id_baz
id: id_bar
`,
},
// Custom Format
{
Context{Format: NewServiceListFormat("{{.Name}}", false)},
`baz
bar
`,
},
}
for _, testcase := range cases {
services := []swarm.Service{
{
ID: "id_baz",
Spec: swarm.ServiceSpec{
Annotations: swarm.Annotations{Name: "baz"},
},
Endpoint: swarm.Endpoint{
Ports: []swarm.PortConfig{
{
PublishMode: "ingress",
PublishedPort: 80,
TargetPort: 8080,
Protocol: "tcp",
},
},
},
},
{
ID: "id_bar",
Spec: swarm.ServiceSpec{
Annotations: swarm.Annotations{Name: "bar"},
},
Endpoint: swarm.Endpoint{
Ports: []swarm.PortConfig{
{
PublishMode: "ingress",
PublishedPort: 80,
TargetPort: 8080,
Protocol: "tcp",
},
},
},
},
}
info := map[string]ServiceListInfo{
"id_baz": {
Mode: "global",
Replicas: "2/4",
},
"id_bar": {
Mode: "replicated",
Replicas: "2/4",
},
}
out := bytes.NewBufferString("")
testcase.context.Output = out
err := ServiceListWrite(testcase.context, services, info)
if err != nil {
assert.EqualError(t, err, testcase.expected)
} else {
assert.Equal(t, testcase.expected, out.String())
}
}
}
func TestServiceContextWriteJSON(t *testing.T) {
services := []swarm.Service{
{
ID: "id_baz",
Spec: swarm.ServiceSpec{
Annotations: swarm.Annotations{Name: "baz"},
},
Endpoint: swarm.Endpoint{
Ports: []swarm.PortConfig{
{
PublishMode: "ingress",
PublishedPort: 80,
TargetPort: 8080,
Protocol: "tcp",
},
},
},
},
{
ID: "id_bar",
Spec: swarm.ServiceSpec{
Annotations: swarm.Annotations{Name: "bar"},
},
Endpoint: swarm.Endpoint{
Ports: []swarm.PortConfig{
{
PublishMode: "ingress",
PublishedPort: 80,
TargetPort: 8080,
Protocol: "tcp",
},
},
},
},
}
info := map[string]ServiceListInfo{
"id_baz": {
Mode: "global",
Replicas: "2/4",
},
"id_bar": {
Mode: "replicated",
Replicas: "2/4",
},
}
expectedJSONs := []map[string]interface{}{
{"ID": "id_baz", "Name": "baz", "Mode": "global", "Replicas": "2/4", "Image": "", "Ports": "*:80->8080/tcp"},
{"ID": "id_bar", "Name": "bar", "Mode": "replicated", "Replicas": "2/4", "Image": "", "Ports": "*:80->8080/tcp"},
}
out := bytes.NewBufferString("")
err := ServiceListWrite(Context{Format: "{{json .}}", Output: out}, services, info)
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)
require.NoError(t, err, msg)
assert.Equal(t, expectedJSONs[i], m, msg)
}
}
func TestServiceContextWriteJSONField(t *testing.T) {
services := []swarm.Service{
{ID: "id_baz", Spec: swarm.ServiceSpec{Annotations: swarm.Annotations{Name: "baz"}}},
{ID: "id_bar", Spec: swarm.ServiceSpec{Annotations: swarm.Annotations{Name: "bar"}}},
}
info := map[string]ServiceListInfo{
"id_baz": {
Mode: "global",
Replicas: "2/4",
},
"id_bar": {
Mode: "replicated",
Replicas: "2/4",
},
}
out := bytes.NewBufferString("")
err := ServiceListWrite(Context{Format: "{{json .Name}}", Output: out}, services, info)
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)
require.NoError(t, err, msg)
assert.Equal(t, services[i].Spec.Name, s, msg)
}
}