open-nomad/command/scaling_policy_info_test.go

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package command
import (
"fmt"
"strings"
"testing"
"github.com/hashicorp/nomad/api"
"github.com/hashicorp/nomad/ci"
"github.com/hashicorp/nomad/helper"
"github.com/hashicorp/nomad/testutil"
"github.com/mitchellh/cli"
)
func TestScalingPolicyInfoCommand_Run(t *testing.T) {
ci.Parallel(t)
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 := &ScalingPolicyInfoCommand{Meta: Meta{Ui: ui}}
// Calling without the policyID 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 of the following argument conditions") {
t.Fatalf("expected argument error within output: %v", out)
}
// Calling with more than one argument should result in an error.
if code := cmd.Run([]string{"-address=" + url, "first", "second"}); 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 of the following argument conditions") {
t.Fatalf("expected argument error within output: %v", out)
}
// Perform an initial info, which should return zero results.
if code := cmd.Run([]string{"-address=" + url, "scaling_policy_info"}); code != 1 {
t.Fatalf("expected cmd run exit code 1, got: %d", code)
}
if out := ui.ErrorWriter.String(); !strings.Contains(out, `No scaling policies with prefix or id "scaling_policy_inf" found`) {
t.Fatalf("expected 'no policies found' within output: %v", out)
}
// Generate a test job.
job := testJob("scaling_policy_info")
// Generate an example scaling policy.
job.TaskGroups[0].Scaling = &api.ScalingPolicy{
Enabled: helper.BoolToPtr(true),
Min: helper.Int64ToPtr(1),
Max: helper.Int64ToPtr(1),
}
// Register the job.
resp, _, err := client.Jobs().Register(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)
}
// Grab the generated policyID.
policies, _, err := client.Scaling().ListPolicies(nil)
if err != nil {
t.Fatalf("err: %s", err)
}
numPolicies := len(policies)
if numPolicies == 0 || numPolicies > 1 {
t.Fatalf("expected 1 policy return, got %v", numPolicies)
}
if code := cmd.Run([]string{"-address=" + url, policies[0].ID}); code != 0 {
t.Fatalf("expected cmd run exit code 0, got: %d", code)
}
if out := ui.OutputWriter.String(); !strings.Contains(out, "Policy:") {
t.Fatalf("expected policy ID within output: %v", out)
}
prefix := policies[0].ID[:2]
if code := cmd.Run([]string{"-address=" + url, prefix}); code != 0 {
t.Fatalf("expected cmd run exit code 0, got: %d", code)
}
if out := ui.OutputWriter.String(); !strings.Contains(out, "Policy:") {
t.Fatalf("expected policy ID within output: %v", out)
}
}