docs/commands/ls_test.go

467 lines
11 KiB
Go

package commands
import (
"bytes"
"io"
"os"
"testing"
"github.com/docker/machine/drivers/fakedriver"
"github.com/docker/machine/libmachine/host"
"github.com/docker/machine/libmachine/state"
"github.com/docker/machine/libmachine/swarm"
"github.com/stretchr/testify/assert"
)
func TestParseFiltersErrorsGivenInvalidFilter(t *testing.T) {
_, err := parseFilters([]string{"foo=bar"})
assert.EqualError(t, err, "Unsupported filter key 'foo'")
}
func TestParseFiltersSwarm(t *testing.T) {
actual, _ := parseFilters([]string{"swarm=foo"})
assert.Equal(t, actual, FilterOptions{SwarmName: []string{"foo"}})
}
func TestParseFiltersDriver(t *testing.T) {
actual, _ := parseFilters([]string{"driver=bar"})
assert.Equal(t, actual, FilterOptions{DriverName: []string{"bar"}})
}
func TestParseFiltersState(t *testing.T) {
actual, _ := parseFilters([]string{"state=Running"})
assert.Equal(t, actual, FilterOptions{State: []string{"Running"}})
}
func TestParseFiltersName(t *testing.T) {
actual, _ := parseFilters([]string{"name=dev"})
assert.Equal(t, actual, FilterOptions{Name: []string{"dev"}})
}
func TestParseFiltersAll(t *testing.T) {
actual, _ := parseFilters([]string{"swarm=foo", "driver=bar", "state=Stopped", "name=dev"})
assert.Equal(t, actual, FilterOptions{SwarmName: []string{"foo"}, DriverName: []string{"bar"}, State: []string{"Stopped"}, Name: []string{"dev"}})
}
func TestParseFiltersDuplicates(t *testing.T) {
actual, _ := parseFilters([]string{"swarm=foo", "driver=bar", "name=mark", "swarm=baz", "driver=qux", "state=Running", "state=Starting", "name=time"})
assert.Equal(t, actual, FilterOptions{SwarmName: []string{"foo", "baz"}, DriverName: []string{"bar", "qux"}, State: []string{"Running", "Starting"}, Name: []string{"mark", "time"}})
}
func TestParseFiltersValueWithEqual(t *testing.T) {
actual, _ := parseFilters([]string{"driver=bar=baz"})
assert.Equal(t, actual, FilterOptions{DriverName: []string{"bar=baz"}})
}
func TestFilterHostsReturnsSameGivenNoFilters(t *testing.T) {
opts := FilterOptions{}
hosts := []*host.Host{
{
Name: "testhost",
DriverName: "fakedriver",
HostOptions: &host.Options{},
},
}
actual := filterHosts(hosts, opts)
assert.EqualValues(t, actual, hosts)
}
func TestFilterHostsReturnsEmptyGivenEmptyHosts(t *testing.T) {
opts := FilterOptions{
SwarmName: []string{"foo"},
}
hosts := []*host.Host{}
assert.Empty(t, filterHosts(hosts, opts))
}
func TestFilterHostsReturnsEmptyGivenNonMatchingFilters(t *testing.T) {
opts := FilterOptions{
SwarmName: []string{"foo"},
}
hosts := []*host.Host{
{
Name: "testhost",
DriverName: "fakedriver",
HostOptions: &host.Options{},
},
}
assert.Empty(t, filterHosts(hosts, opts))
}
func TestFilterHostsBySwarmName(t *testing.T) {
opts := FilterOptions{
SwarmName: []string{"master"},
}
master :=
&host.Host{
Name: "master",
HostOptions: &host.Options{
SwarmOptions: &swarm.Options{Master: true, Discovery: "foo"},
},
}
node1 :=
&host.Host{
Name: "node1",
HostOptions: &host.Options{
SwarmOptions: &swarm.Options{Master: false, Discovery: "foo"},
},
}
othermaster :=
&host.Host{
Name: "othermaster",
HostOptions: &host.Options{
SwarmOptions: &swarm.Options{Master: true, Discovery: "bar"},
},
}
hosts := []*host.Host{master, node1, othermaster}
expected := []*host.Host{master, node1}
assert.EqualValues(t, filterHosts(hosts, opts), expected)
}
func TestFilterHostsByDriverName(t *testing.T) {
opts := FilterOptions{
DriverName: []string{"fakedriver"},
}
node1 :=
&host.Host{
Name: "node1",
DriverName: "fakedriver",
HostOptions: &host.Options{},
}
node2 :=
&host.Host{
Name: "node2",
DriverName: "virtualbox",
HostOptions: &host.Options{},
}
node3 :=
&host.Host{
Name: "node3",
DriverName: "fakedriver",
HostOptions: &host.Options{},
}
hosts := []*host.Host{node1, node2, node3}
expected := []*host.Host{node1, node3}
assert.EqualValues(t, filterHosts(hosts, opts), expected)
}
func TestFilterHostsByState(t *testing.T) {
opts := FilterOptions{
State: []string{"Paused", "Saved", "Stopped"},
}
node1 :=
&host.Host{
Name: "node1",
DriverName: "fakedriver",
HostOptions: &host.Options{},
Driver: &fakedriver.Driver{MockState: state.Paused},
}
node2 :=
&host.Host{
Name: "node2",
DriverName: "virtualbox",
HostOptions: &host.Options{},
Driver: &fakedriver.Driver{MockState: state.Stopped},
}
node3 :=
&host.Host{
Name: "node3",
DriverName: "fakedriver",
HostOptions: &host.Options{},
Driver: &fakedriver.Driver{MockState: state.Running},
}
hosts := []*host.Host{node1, node2, node3}
expected := []*host.Host{node1, node2}
assert.EqualValues(t, filterHosts(hosts, opts), expected)
}
func TestFilterHostsByName(t *testing.T) {
opts := FilterOptions{
Name: []string{"fire", "ice", "earth", "a.?r"},
}
node1 :=
&host.Host{
Name: "fire",
DriverName: "fakedriver",
HostOptions: &host.Options{},
Driver: &fakedriver.Driver{MockState: state.Paused, MockName: "fire"},
}
node2 :=
&host.Host{
Name: "ice",
DriverName: "adriver",
HostOptions: &host.Options{},
Driver: &fakedriver.Driver{MockState: state.Paused, MockName: "ice"},
}
node3 :=
&host.Host{
Name: "air",
DriverName: "nodriver",
HostOptions: &host.Options{},
Driver: &fakedriver.Driver{MockState: state.Paused, MockName: "air"},
}
node4 :=
&host.Host{
Name: "water",
DriverName: "falsedriver",
HostOptions: &host.Options{},
Driver: &fakedriver.Driver{MockState: state.Paused, MockName: "water"},
}
hosts := []*host.Host{node1, node2, node3, node4}
expected := []*host.Host{node1, node2, node3}
assert.EqualValues(t, filterHosts(hosts, opts), expected)
}
func TestFilterHostsMultiFlags(t *testing.T) {
opts := FilterOptions{
SwarmName: []string{},
DriverName: []string{"fakedriver", "virtualbox"},
}
node1 :=
&host.Host{
Name: "node1",
DriverName: "fakedriver",
HostOptions: &host.Options{},
}
node2 :=
&host.Host{
Name: "node2",
DriverName: "virtualbox",
HostOptions: &host.Options{},
}
node3 :=
&host.Host{
Name: "node3",
DriverName: "softlayer",
HostOptions: &host.Options{},
}
hosts := []*host.Host{node1, node2, node3}
expected := []*host.Host{node1, node2}
assert.EqualValues(t, filterHosts(hosts, opts), expected)
}
func TestFilterHostsDifferentFlagsProduceAND(t *testing.T) {
opts := FilterOptions{
DriverName: []string{"virtualbox"},
State: []string{"Running"},
}
node1 :=
&host.Host{
Name: "node1",
DriverName: "fakedriver",
HostOptions: &host.Options{},
Driver: &fakedriver.Driver{MockState: state.Paused},
}
node2 :=
&host.Host{
Name: "node2",
DriverName: "virtualbox",
HostOptions: &host.Options{},
Driver: &fakedriver.Driver{MockState: state.Stopped},
}
node3 :=
&host.Host{
Name: "node3",
DriverName: "fakedriver",
HostOptions: &host.Options{},
Driver: &fakedriver.Driver{MockState: state.Running},
}
hosts := []*host.Host{node1, node2, node3}
expected := []*host.Host{}
assert.EqualValues(t, filterHosts(hosts, opts), expected)
}
func captureStdout() (chan string, *os.File) {
r, w, _ := os.Pipe()
os.Stdout = w
out := make(chan string)
go func() {
var testOutput bytes.Buffer
io.Copy(&testOutput, r)
out <- testOutput.String()
}()
return out, w
}
func TestGetHostListItems(t *testing.T) {
hostListItemsChan := make(chan HostListItem)
activeHostURL := "tcp://active.host.com:2376"
hosts := []*host.Host{
{
Name: "foo",
Driver: &fakedriver.Driver{
MockState: state.Running,
MockURL: activeHostURL,
},
HostOptions: &host.Options{
SwarmOptions: &swarm.Options{},
},
},
{
Name: "bar",
Driver: &fakedriver.Driver{
MockState: state.Stopped,
},
HostOptions: &host.Options{
SwarmOptions: &swarm.Options{},
},
},
{
Name: "baz",
Driver: &fakedriver.Driver{
MockState: state.Error,
},
HostOptions: &host.Options{
SwarmOptions: &swarm.Options{},
},
},
}
expected := map[string]struct {
state state.State
active bool
error string
}{
"foo": {state.Running, true, ""},
"bar": {state.Stopped, false, ""},
"baz": {state.Error, false, "Unable to get url"},
}
// TODO: Ideally this would mockable via interface instead.
os.Setenv("DOCKER_HOST", activeHostURL)
items := []HostListItem{}
for _, host := range hosts {
go getHostState(host, hostListItemsChan)
}
for i := 0; i < len(hosts); i++ {
items = append(items, <-hostListItemsChan)
}
for _, item := range items {
expected := expected[item.Name]
assert.Equal(t, expected.state, item.State)
assert.Equal(t, expected.active, item.Active)
assert.Equal(t, expected.error, item.Error)
}
os.Unsetenv("DOCKER_HOST")
}
// issue #1908
func TestGetHostListItemsEnvDockerHostUnset(t *testing.T) {
orgDockerHost := os.Getenv("DOCKER_HOST")
defer func() {
// revert DOCKER_HOST
os.Setenv("DOCKER_HOST", orgDockerHost)
}()
// unset DOCKER_HOST
os.Unsetenv("DOCKER_HOST")
hostListItemsChan := make(chan HostListItem)
hosts := []*host.Host{
{
Name: "foo",
Driver: &fakedriver.Driver{
MockState: state.Running,
MockURL: "tcp://120.0.0.1:2376",
},
HostOptions: &host.Options{
SwarmOptions: &swarm.Options{
Master: false,
Address: "",
Discovery: "",
},
},
},
{
Name: "bar",
Driver: &fakedriver.Driver{
MockState: state.Stopped,
},
HostOptions: &host.Options{
SwarmOptions: &swarm.Options{
Master: false,
Address: "",
Discovery: "",
},
},
},
{
Name: "baz",
Driver: &fakedriver.Driver{
MockState: state.Saved,
},
HostOptions: &host.Options{
SwarmOptions: &swarm.Options{
Master: false,
Address: "",
Discovery: "",
},
},
},
}
expected := map[string]struct {
state state.State
active bool
}{
"foo": {state.Running, false},
"bar": {state.Stopped, false},
"baz": {state.Saved, false},
}
items := []HostListItem{}
for _, host := range hosts {
go getHostState(host, hostListItemsChan)
}
for i := 0; i < len(hosts); i++ {
items = append(items, <-hostListItemsChan)
}
for _, item := range items {
expected := expected[item.Name]
assert.Equal(t, expected.state, item.State)
assert.Equal(t, expected.active, item.Active)
}
}
func TestIsActive(t *testing.T) {
cases := []struct {
dockerHost string
state state.State
expected bool
}{
{"", state.Running, false},
{"tcp://5.6.7.8:2376", state.Running, false},
{"tcp://1.2.3.4:2376", state.Stopped, false},
{"tcp://1.2.3.4:2376", state.Running, true},
{"tcp://1.2.3.4:3376", state.Running, true},
}
for _, c := range cases {
os.Unsetenv("DOCKER_HOST")
if c.dockerHost != "" {
os.Setenv("DOCKER_HOST", c.dockerHost)
}
actual := isActive(c.state, "tcp://1.2.3.4:2376")
assert.Equal(t, c.expected, actual, "IsActive(%s, \"%s\") should return %v, but didn't", c.state, c.dockerHost, c.expected)
}
}