terraform/helper/schema/provisioner_test.go

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package schema
import (
"context"
"fmt"
"reflect"
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"testing"
"time"
"github.com/hashicorp/terraform/config"
"github.com/hashicorp/terraform/terraform"
)
func TestProvisioner_impl(t *testing.T) {
var _ terraform.ResourceProvisioner = new(Provisioner)
}
func noopApply(ctx context.Context) error {
return nil
}
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func TestProvisionerValidate(t *testing.T) {
cases := []struct {
Name string
P *Provisioner
Config map[string]interface{}
Err bool
Warns []string
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}{
{
Name: "No ApplyFunc",
P: &Provisioner{},
Config: nil,
Err: true,
},
{
Name: "Incorrect schema",
P: &Provisioner{
Schema: map[string]*Schema{
"foo": {},
},
ApplyFunc: noopApply,
},
Config: nil,
Err: true,
},
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{
"Basic required field",
&Provisioner{
Schema: map[string]*Schema{
"foo": &Schema{
Required: true,
Type: TypeString,
},
},
ApplyFunc: noopApply,
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},
nil,
true,
nil,
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},
{
"Basic required field set",
&Provisioner{
Schema: map[string]*Schema{
"foo": &Schema{
Required: true,
Type: TypeString,
},
},
ApplyFunc: noopApply,
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},
map[string]interface{}{
"foo": "bar",
},
false,
nil,
},
{
Name: "Warning from property validation",
P: &Provisioner{
Schema: map[string]*Schema{
"foo": {
Type: TypeString,
Optional: true,
ValidateFunc: func(v interface{}, k string) (ws []string, errors []error) {
ws = append(ws, "Simple warning from property validation")
return
},
},
},
ApplyFunc: noopApply,
},
Config: map[string]interface{}{
"foo": "",
},
Err: false,
Warns: []string{"Simple warning from property validation"},
},
{
Name: "No schema",
P: &Provisioner{
Schema: nil,
ApplyFunc: noopApply,
},
Config: nil,
Err: false,
},
{
Name: "Warning from provisioner ValidateFunc",
P: &Provisioner{
Schema: nil,
ApplyFunc: noopApply,
ValidateFunc: func(*ResourceData) (ws []string, errors []error) {
ws = append(ws, "Simple warning from provisioner ValidateFunc")
return
},
},
Config: nil,
Err: false,
Warns: []string{"Simple warning from provisioner ValidateFunc"},
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},
}
for i, tc := range cases {
t.Run(fmt.Sprintf("%d-%s", i, tc.Name), func(t *testing.T) {
c, err := config.NewRawConfig(tc.Config)
if err != nil {
t.Fatalf("err: %s", err)
}
ws, es := tc.P.Validate(terraform.NewResourceConfig(c))
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if len(es) > 0 != tc.Err {
t.Fatalf("%d: %#v %s", i, es, es)
}
if (tc.Warns != nil || len(ws) != 0) && !reflect.DeepEqual(ws, tc.Warns) {
t.Fatalf("%d: warnings mismatch, actual: %#v", i, ws)
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}
})
}
}
func TestProvisionerApply(t *testing.T) {
cases := []struct {
Name string
P *Provisioner
Conn map[string]string
Config map[string]interface{}
Err bool
}{
{
"Basic config",
&Provisioner{
ConnSchema: map[string]*Schema{
"foo": &Schema{
Type: TypeString,
Optional: true,
},
},
Schema: map[string]*Schema{
"foo": &Schema{
Type: TypeInt,
Optional: true,
},
},
ApplyFunc: func(ctx context.Context) error {
cd := ctx.Value(ProvConnDataKey).(*ResourceData)
d := ctx.Value(ProvConfigDataKey).(*ResourceData)
if d.Get("foo").(int) != 42 {
return fmt.Errorf("bad config data")
}
if cd.Get("foo").(string) != "bar" {
return fmt.Errorf("bad conn data")
}
return nil
},
},
map[string]string{
"foo": "bar",
},
map[string]interface{}{
"foo": 42,
},
false,
},
}
for i, tc := range cases {
t.Run(fmt.Sprintf("%d-%s", i, tc.Name), func(t *testing.T) {
c, err := config.NewRawConfig(tc.Config)
if err != nil {
t.Fatalf("err: %s", err)
}
state := &terraform.InstanceState{
Ephemeral: terraform.EphemeralState{
ConnInfo: tc.Conn,
},
}
err = tc.P.Apply(
nil, state, terraform.NewResourceConfig(c))
if err != nil != tc.Err {
t.Fatalf("%d: %s", i, err)
}
})
}
}
func TestProvisionerApply_nilState(t *testing.T) {
p := &Provisioner{
ConnSchema: map[string]*Schema{
"foo": &Schema{
Type: TypeString,
Optional: true,
},
},
Schema: map[string]*Schema{
"foo": &Schema{
Type: TypeInt,
Optional: true,
},
},
ApplyFunc: func(ctx context.Context) error {
return nil
},
}
conf := map[string]interface{}{
"foo": 42,
}
c, err := config.NewRawConfig(conf)
if err != nil {
t.Fatalf("err: %s", err)
}
err = p.Apply(nil, nil, terraform.NewResourceConfig(c))
if err != nil {
t.Fatalf("err: %s", err)
}
}
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func TestProvisionerStop(t *testing.T) {
var p Provisioner
// Verify stopch blocks
ch := p.StopContext().Done()
select {
case <-ch:
t.Fatal("should not be stopped")
case <-time.After(10 * time.Millisecond):
}
// Stop it
if err := p.Stop(); err != nil {
t.Fatalf("err: %s", err)
}
select {
case <-ch:
case <-time.After(10 * time.Millisecond):
t.Fatal("should be stopped")
}
}
func TestProvisionerStop_apply(t *testing.T) {
p := &Provisioner{
ConnSchema: map[string]*Schema{
"foo": &Schema{
Type: TypeString,
Optional: true,
},
},
Schema: map[string]*Schema{
"foo": &Schema{
Type: TypeInt,
Optional: true,
},
},
ApplyFunc: func(ctx context.Context) error {
<-ctx.Done()
return nil
},
}
conn := map[string]string{
"foo": "bar",
}
conf := map[string]interface{}{
"foo": 42,
}
c, err := config.NewRawConfig(conf)
if err != nil {
t.Fatalf("err: %s", err)
}
state := &terraform.InstanceState{
Ephemeral: terraform.EphemeralState{
ConnInfo: conn,
},
}
// Run the apply in a goroutine
doneCh := make(chan struct{})
go func() {
p.Apply(nil, state, terraform.NewResourceConfig(c))
close(doneCh)
}()
// Should block
select {
case <-doneCh:
t.Fatal("should not be done")
case <-time.After(10 * time.Millisecond):
}
// Stop!
p.Stop()
select {
case <-doneCh:
case <-time.After(10 * time.Millisecond):
t.Fatal("should be done")
}
}
func TestProvisionerStop_stopFirst(t *testing.T) {
var p Provisioner
// Stop it
if err := p.Stop(); err != nil {
t.Fatalf("err: %s", err)
}
select {
case <-p.StopContext().Done():
case <-time.After(10 * time.Millisecond):
t.Fatal("should be stopped")
}
}