open-nomad/command/node_status_test.go

111 lines
2.9 KiB
Go

package command
import (
"fmt"
"strings"
"testing"
"github.com/hashicorp/nomad/testutil"
"github.com/mitchellh/cli"
)
func TestNodeStatusCommand_Implements(t *testing.T) {
var _ cli.Command = &NodeStatusCommand{}
}
func TestNodeStatusCommand_Run(t *testing.T) {
// Start in dev mode so we get a node registration
srv, client, url := testServer(t, func(c *testutil.TestServerConfig) {
c.DevMode = true
c.NodeName = "mynode"
})
defer srv.Stop()
ui := new(cli.MockUi)
cmd := &NodeStatusCommand{Meta: Meta{Ui: ui}}
// 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)
})
// Query all node statuses
if code := cmd.Run([]string{"-address=" + url}); code != 0 {
t.Fatalf("expected exit 0, got: %d", code)
}
out := ui.OutputWriter.String()
if !strings.Contains(out, "mynode") {
t.Fatalf("expect to find mynode, got: %s", out)
}
ui.OutputWriter.Reset()
// Query a single node
if code := cmd.Run([]string{"-address=" + url, nodeID}); code != 0 {
t.Fatalf("expected exit 0, got: %d", code)
}
out = ui.OutputWriter.String()
if !strings.Contains(out, "mynode") {
t.Fatalf("expect to find mynode, got: %s", out)
}
if !strings.Contains(out, "Allocations") {
t.Fatalf("expected allocations, got: %s", out)
}
ui.OutputWriter.Reset()
// Query single node in short view
if code := cmd.Run([]string{"-address=" + url, "-short", nodeID}); code != 0 {
t.Fatalf("expected exit 0, got: %d", code)
}
out = ui.OutputWriter.String()
if !strings.Contains(out, "mynode") {
t.Fatalf("expect to find mynode, got: %s", out)
}
if strings.Contains(out, "Allocations") {
t.Fatalf("should not dump allocations")
}
}
func TestNodeStatusCommand_Fails(t *testing.T) {
srv, _, url := testServer(t, nil)
defer srv.Stop()
ui := new(cli.MockUi)
cmd := &NodeStatusCommand{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"}); code != 1 {
t.Fatalf("expected exit code 1, got: %d", code)
}
if out := ui.ErrorWriter.String(); !strings.Contains(out, "Error querying node status") {
t.Fatalf("expected failed query error, got: %s", out)
}
// Fails on non-existent node
if code := cmd.Run([]string{"-address=" + url, "nope"}); code != 1 {
t.Fatalf("expected exit 1, got: %d", code)
}
if out := ui.ErrorWriter.String(); !strings.Contains(out, "not found") {
t.Fatalf("expected not found error, got: %s", out)
}
}