open-nomad/command/job_scaling_events_test.go

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package command
import (
"fmt"
"strings"
"testing"
"github.com/hashicorp/nomad/helper"
"github.com/hashicorp/nomad/testutil"
"github.com/mitchellh/cli"
)
func TestJobScalingEventsCommand_Run(t *testing.T) {
t.Parallel()
srv, client, url := testServer(t, true, nil)
defer srv.Shutdown()
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")
}
if _, ok := nodes[0].Drivers["mock_driver"]; !ok {
return false, fmt.Errorf("mock_driver not ready")
}
return true, nil
}, func(err error) {
t.Fatalf("err: %s", err)
})
ui := cli.NewMockUi()
cmd := &JobScalingEventsCommand{Meta: Meta{Ui: ui}}
// Register a test job and ensure it is running before moving on.
resp, _, err := client.Jobs().Register(testJob("scale_events_test_job"), nil)
if err != nil {
t.Fatalf("err: %s", err)
}
if code := waitForSuccess(ui, client, fullId, t, resp.EvalID); code != 0 {
t.Fatalf("expected waitForSuccess exit code 0, got: %d", code)
}
// List events without passing the jobID which should result in an error.
if code := cmd.Run([]string{"-address=" + url}); code != 1 {
t.Fatalf("expected cmd run exit code 1, got: %d", code)
}
if out := ui.ErrorWriter.String(); !strings.Contains(out, "This command takes one argument: <job_id>") {
t.Fatalf("Expected argument error: %v", out)
}
// List events for the job, which should present zero.
if code := cmd.Run([]string{"-address=" + url, "scale_events_test_job"}); code != 0 {
t.Fatalf("expected cmd run exit code 0, got: %d", code)
}
if out := ui.OutputWriter.String(); !strings.Contains(out, "No events found") {
t.Fatalf("Expected no events output but got: %v", out)
}
// Perform a scaling action to generate an event.
_, _, err = client.Jobs().Scale(
"scale_events_test_job",
"group1", helper.IntToPtr(2),
"searchable custom test message", false, nil, nil)
if err != nil {
t.Fatalf("err: %s", err)
}
// List the scaling events which should include an entry.
if code := cmd.Run([]string{"-address=" + url, "scale_events_test_job"}); code != 0 {
t.Fatalf("expected cmd run exit code 0, got: %d", code)
}
if out := ui.OutputWriter.String(); !strings.Contains(out, "Task Group Count PrevCount Date") {
t.Fatalf("Expected table headers but got: %v", out)
}
// List the scaling events with verbose flag to search for our message as
// well as the verbose table headers.
if code := cmd.Run([]string{"-address=" + url, "-verbose", "scale_events_test_job"}); code != 0 {
t.Fatalf("expected cmd run exit code 0, got: %d", code)
}
out := ui.OutputWriter.String()
if !strings.Contains(out, "searchable custom test message") {
t.Fatalf("Expected to find scaling message but got: %v", out)
}
if !strings.Contains(out, "Eval ID") {
t.Fatalf("Expected to verbose table headers: %v", out)
}
}