open-nomad/command/node_drain_test.go

124 lines
3.6 KiB
Go

package command
import (
"fmt"
"strings"
"testing"
"github.com/hashicorp/nomad/testutil"
"github.com/mitchellh/cli"
"github.com/posener/complete"
"github.com/stretchr/testify/assert"
)
func TestNodeDrainCommand_Implements(t *testing.T) {
t.Parallel()
var _ cli.Command = &NodeDrainCommand{}
}
func TestNodeDrainCommand_Fails(t *testing.T) {
t.Parallel()
srv, _, url := testServer(t, false, nil)
defer srv.Shutdown()
ui := new(cli.MockUi)
cmd := &NodeDrainCommand{Meta: Meta{Ui: ui}}
// Fails on misuse
if code := cmd.Run([]string{"some", "bad", "args"}); code != 1 {
t.Fatalf("expected exit code 1, got: %d", code)
}
if out := ui.ErrorWriter.String(); !strings.Contains(out, cmd.Help()) {
t.Fatalf("expected help output, got: %s", out)
}
ui.ErrorWriter.Reset()
// Fails on connection failure
if code := cmd.Run([]string{"-address=nope", "-enable", "12345678-abcd-efab-cdef-123456789abc"}); code != 1 {
t.Fatalf("expected exit code 1, got: %d", code)
}
if out := ui.ErrorWriter.String(); !strings.Contains(out, "Error toggling") {
t.Fatalf("expected failed toggle error, got: %s", out)
}
ui.ErrorWriter.Reset()
// Fails on non-existent node
if code := cmd.Run([]string{"-address=" + url, "-enable", "12345678-abcd-efab-cdef-123456789abc"}); code != 1 {
t.Fatalf("expected exit 1, got: %d", code)
}
if out := ui.ErrorWriter.String(); !strings.Contains(out, "No node(s) with prefix or id") {
t.Fatalf("expected not exist error, got: %s", out)
}
ui.ErrorWriter.Reset()
// Fails if both enable and disable specified
if code := cmd.Run([]string{"-enable", "-disable", "12345678-abcd-efab-cdef-123456789abc"}); code != 1 {
t.Fatalf("expected exit 1, got: %d", code)
}
if out := ui.ErrorWriter.String(); !strings.Contains(out, cmd.Help()) {
t.Fatalf("expected help output, got: %s", out)
}
ui.ErrorWriter.Reset()
// Fails if neither enable or disable specified
if code := cmd.Run([]string{"12345678-abcd-efab-cdef-123456789abc"}); code != 1 {
t.Fatalf("expected exit 1, got: %d", code)
}
if out := ui.ErrorWriter.String(); !strings.Contains(out, cmd.Help()) {
t.Fatalf("expected help output, got: %s", out)
}
ui.ErrorWriter.Reset()
// Fail on identifier with too few characters
if code := cmd.Run([]string{"-address=" + url, "-enable", "1"}); code != 1 {
t.Fatalf("expected exit 1, got: %d", code)
}
if out := ui.ErrorWriter.String(); !strings.Contains(out, "must contain at least two characters.") {
t.Fatalf("expected too few characters error, got: %s", out)
}
ui.ErrorWriter.Reset()
// Identifiers with uneven length should produce a query result
if code := cmd.Run([]string{"-address=" + url, "-enable", "123"}); code != 1 {
t.Fatalf("expected exit 1, got: %d", code)
}
if out := ui.ErrorWriter.String(); !strings.Contains(out, "No node(s) with prefix or id") {
t.Fatalf("expected not exist error, got: %s", out)
}
}
func TestNodeDrainCommand_AutocompleteArgs(t *testing.T) {
assert := assert.New(t)
t.Parallel()
srv, client, url := testServer(t, true, nil)
defer srv.Shutdown()
// Wait for a node to appear
var nodeID string
testutil.WaitForResult(func() (bool, error) {
nodes, _, err := client.Nodes().List(nil)
if err != nil {
return false, err
}
if len(nodes) == 0 {
return false, fmt.Errorf("missing node")
}
nodeID = nodes[0].ID
return true, nil
}, func(err error) {
t.Fatalf("err: %s", err)
})
ui := new(cli.MockUi)
cmd := &NodeDrainCommand{Meta: Meta{Ui: ui, flagAddress: url}}
prefix := nodeID[:len(nodeID)-5]
args := complete.Args{Last: prefix}
predictor := cmd.AutocompleteArgs()
res := predictor.Predict(args)
assert.Equal(1, len(res))
assert.Equal(nodeID, res[0])
}