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Copy pathstep_stop_instances_test.go
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step_stop_instances_test.go
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// Copyright 2018 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package daisy
import (
"context"
"fmt"
"testing"
)
func TestStopInstancesPopulate(t *testing.T) {
w := testWorkflow()
s, _ := w.NewStep("s")
s.StopInstances = &StopInstances{
Instances: []string{"i", "zones/z/instances/i"},
}
if err := (s.StopInstances).populate(context.Background(), s); err != nil {
t.Error("err should be nil")
}
want := &StopInstances{
Instances: []string{"i", fmt.Sprintf("projects/%s/zones/z/instances/i", w.Project)},
}
if diffRes := diff(s.StopInstances, want, 0); diffRes != "" {
t.Errorf("StopInstances not populated as expected: (-got,+want)\n%s", diffRes)
}
}
func TestStopInstancesValidate(t *testing.T) {
ctx := context.Background()
// Set up.
w := testWorkflow()
s, _ := w.NewStep("s")
iCreator, _ := w.NewStep("iCreator")
iCreator.CreateInstances = &CreateInstances{Instances: []*Instance{&Instance{}}}
w.AddDependency(s, iCreator)
if err := w.instances.regCreate("instance1", &Resource{link: fmt.Sprintf("projects/%s/zones/%s/disks/d", testProject, testZone)}, false, iCreator); err != nil {
t.Fatal(err)
}
if err := (&StopInstances{Instances: []string{"instance1"}}).validate(ctx, s); err != nil {
t.Errorf("validation should not have failed: %v", err)
}
if err := (&StopInstances{Instances: []string{"dne"}}).validate(ctx, s); err == nil {
t.Error("StopInstances should have returned an error when stopping an instance that DNE")
}
}
func TestStopInstancesRun(t *testing.T) {
ctx := context.Background()
w := testWorkflow()
s, _ := w.NewStep("s")
ins := []*Resource{{RealName: "in0", link: "link"}, {RealName: "in1", link: "link"}}
w.instances.m = map[string]*Resource{"in0": ins[0], "in1": ins[1]}
si := &StopInstances{
Instances: []string{"in0"},
}
if err := si.run(ctx, s); err != nil {
t.Fatalf("error running StopInstances.run(): %v", err)
}
stoppedChecks := []struct {
r *Resource
shouldBeStopped bool
}{
{ins[0], true},
{ins[1], false},
}
for _, c := range stoppedChecks {
if c.shouldBeStopped {
if !c.r.stoppedByWf {
t.Errorf("resource %q should have been stopped", c.r.RealName)
}
} else if c.r.stoppedByWf {
t.Errorf("resource %q should not have been stopped", c.r.RealName)
}
}
}