terraform/helper/schema/provider_test.go

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package schema
import (
"fmt"
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"reflect"
"strings"
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"testing"
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"time"
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"github.com/google/go-cmp/cmp"
"github.com/zclconf/go-cty/cty"
"github.com/hashicorp/terraform/configs/configschema"
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"github.com/hashicorp/terraform/terraform"
)
func TestProvider_impl(t *testing.T) {
var _ terraform.ResourceProvider = new(Provider)
}
func TestProviderGetSchema(t *testing.T) {
// This functionality is already broadly tested in core_schema_test.go,
// so this is just to ensure that the call passes through correctly.
p := &Provider{
Schema: map[string]*Schema{
"bar": {
Type: TypeString,
Required: true,
},
},
ResourcesMap: map[string]*Resource{
"foo": &Resource{
Schema: map[string]*Schema{
"bar": {
Type: TypeString,
Required: true,
},
},
},
},
DataSourcesMap: map[string]*Resource{
"baz": &Resource{
Schema: map[string]*Schema{
"bur": {
Type: TypeString,
Required: true,
},
},
},
},
}
want := &terraform.ProviderSchema{
Provider: &configschema.Block{
Attributes: map[string]*configschema.Attribute{
"bar": &configschema.Attribute{
Type: cty.String,
Required: true,
},
},
BlockTypes: map[string]*configschema.NestedBlock{},
},
ResourceTypes: map[string]*configschema.Block{
"foo": testResource(&configschema.Block{
Attributes: map[string]*configschema.Attribute{
"bar": &configschema.Attribute{
Type: cty.String,
Required: true,
},
},
BlockTypes: map[string]*configschema.NestedBlock{},
}),
},
DataSources: map[string]*configschema.Block{
"baz": testResource(&configschema.Block{
Attributes: map[string]*configschema.Attribute{
"bur": &configschema.Attribute{
Type: cty.String,
Required: true,
},
},
BlockTypes: map[string]*configschema.NestedBlock{},
}),
},
}
got, err := p.GetSchema(&terraform.ProviderSchemaRequest{
ResourceTypes: []string{"foo", "bar"},
DataSources: []string{"baz", "bar"},
})
if err != nil {
t.Fatalf("unexpected error %s", err)
}
if !cmp.Equal(got, want, equateEmpty, typeComparer) {
t.Error("wrong result:\n", cmp.Diff(got, want, equateEmpty, typeComparer))
}
}
func TestProviderConfigure(t *testing.T) {
cases := []struct {
P *Provider
Config map[string]interface{}
Err bool
}{
{
P: &Provider{},
Config: nil,
Err: false,
},
{
P: &Provider{
Schema: map[string]*Schema{
"foo": &Schema{
Type: TypeInt,
Optional: true,
},
},
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ConfigureFunc: func(d *ResourceData) (interface{}, error) {
if d.Get("foo").(int) == 42 {
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return nil, nil
}
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return nil, fmt.Errorf("nope")
},
},
Config: map[string]interface{}{
"foo": 42,
},
Err: false,
},
{
P: &Provider{
Schema: map[string]*Schema{
"foo": &Schema{
Type: TypeInt,
Optional: true,
},
},
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ConfigureFunc: func(d *ResourceData) (interface{}, error) {
if d.Get("foo").(int) == 42 {
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return nil, nil
}
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return nil, fmt.Errorf("nope")
},
},
Config: map[string]interface{}{
"foo": 52,
},
Err: true,
},
}
for i, tc := range cases {
c := terraform.NewResourceConfigRaw(tc.Config)
err := tc.P.Configure(c)
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if err != nil != tc.Err {
t.Fatalf("%d: %s", i, err)
}
}
}
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func TestProviderResources(t *testing.T) {
cases := []struct {
P *Provider
Result []terraform.ResourceType
}{
{
P: &Provider{},
Result: []terraform.ResourceType{},
},
{
P: &Provider{
ResourcesMap: map[string]*Resource{
"foo": nil,
"bar": nil,
},
},
Result: []terraform.ResourceType{
terraform.ResourceType{Name: "bar", SchemaAvailable: true},
terraform.ResourceType{Name: "foo", SchemaAvailable: true},
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},
},
{
P: &Provider{
ResourcesMap: map[string]*Resource{
"foo": nil,
"bar": &Resource{Importer: &ResourceImporter{}},
"baz": nil,
},
},
Result: []terraform.ResourceType{
terraform.ResourceType{Name: "bar", Importable: true, SchemaAvailable: true},
terraform.ResourceType{Name: "baz", SchemaAvailable: true},
terraform.ResourceType{Name: "foo", SchemaAvailable: true},
},
},
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}
for i, tc := range cases {
actual := tc.P.Resources()
if !reflect.DeepEqual(actual, tc.Result) {
t.Fatalf("%d: %#v", i, actual)
}
}
}
func TestProviderDataSources(t *testing.T) {
cases := []struct {
P *Provider
Result []terraform.DataSource
}{
{
P: &Provider{},
Result: []terraform.DataSource{},
},
{
P: &Provider{
DataSourcesMap: map[string]*Resource{
"foo": nil,
"bar": nil,
},
},
Result: []terraform.DataSource{
terraform.DataSource{Name: "bar", SchemaAvailable: true},
terraform.DataSource{Name: "foo", SchemaAvailable: true},
},
},
}
for i, tc := range cases {
actual := tc.P.DataSources()
if !reflect.DeepEqual(actual, tc.Result) {
t.Fatalf("%d: got %#v; want %#v", i, actual, tc.Result)
}
}
}
func TestProviderValidate(t *testing.T) {
cases := []struct {
P *Provider
Config map[string]interface{}
Err bool
}{
{
P: &Provider{
Schema: map[string]*Schema{
"foo": &Schema{},
},
},
Config: nil,
Err: true,
},
}
for i, tc := range cases {
c := terraform.NewResourceConfigRaw(tc.Config)
_, es := tc.P.Validate(c)
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if len(es) > 0 != tc.Err {
t.Fatalf("%d: %#v", i, es)
}
}
}
func TestProviderDiff_legacyTimeoutType(t *testing.T) {
p := &Provider{
ResourcesMap: map[string]*Resource{
"blah": &Resource{
Schema: map[string]*Schema{
"foo": {
Type: TypeInt,
Optional: true,
},
},
Timeouts: &ResourceTimeout{
Create: DefaultTimeout(10 * time.Minute),
},
},
},
}
invalidCfg := map[string]interface{}{
"foo": 42,
"timeouts": []interface{}{
map[string]interface{}{
"create": "40m",
},
},
}
ic := terraform.NewResourceConfigRaw(invalidCfg)
_, err := p.Diff(
&terraform.InstanceInfo{
Type: "blah",
},
nil,
ic,
)
if err != nil {
t.Fatal(err)
}
}
func TestProviderDiff_timeoutInvalidValue(t *testing.T) {
p := &Provider{
ResourcesMap: map[string]*Resource{
"blah": &Resource{
Schema: map[string]*Schema{
"foo": {
Type: TypeInt,
Optional: true,
},
},
Timeouts: &ResourceTimeout{
Create: DefaultTimeout(10 * time.Minute),
},
},
},
}
invalidCfg := map[string]interface{}{
"foo": 42,
"timeouts": map[string]interface{}{
"create": "invalid",
},
}
ic := terraform.NewResourceConfigRaw(invalidCfg)
_, err := p.Diff(
&terraform.InstanceInfo{
Type: "blah",
},
nil,
ic,
)
if err == nil {
t.Fatal("Expected provider.Diff to fail with invalid timeout value")
}
expectedErrMsg := `time: invalid duration "invalid"`
if !strings.Contains(err.Error(), expectedErrMsg) {
t.Fatalf("Unexpected error message: %q\nExpected message to contain %q",
err.Error(),
expectedErrMsg)
}
}
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func TestProviderValidateResource(t *testing.T) {
cases := []struct {
P *Provider
Type string
Config map[string]interface{}
Err bool
}{
{
P: &Provider{},
Type: "foo",
Config: nil,
Err: true,
},
{
P: &Provider{
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ResourcesMap: map[string]*Resource{
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"foo": &Resource{},
},
},
Type: "foo",
Config: nil,
Err: false,
},
}
for i, tc := range cases {
c := terraform.NewResourceConfigRaw(tc.Config)
_, es := tc.P.ValidateResource(tc.Type, c)
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if len(es) > 0 != tc.Err {
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t.Fatalf("%d: %#v", i, es)
}
}
}
func TestProviderImportState_default(t *testing.T) {
p := &Provider{
ResourcesMap: map[string]*Resource{
"foo": &Resource{
Importer: &ResourceImporter{},
},
},
}
states, err := p.ImportState(&terraform.InstanceInfo{
Type: "foo",
}, "bar")
if err != nil {
t.Fatalf("err: %s", err)
}
if len(states) != 1 {
t.Fatalf("bad: %#v", states)
}
if states[0].ID != "bar" {
t.Fatalf("bad: %#v", states)
}
}
func TestProviderImportState_setsId(t *testing.T) {
var val string
stateFunc := func(d *ResourceData, meta interface{}) ([]*ResourceData, error) {
val = d.Id()
return []*ResourceData{d}, nil
}
p := &Provider{
ResourcesMap: map[string]*Resource{
"foo": &Resource{
Importer: &ResourceImporter{
State: stateFunc,
},
},
},
}
_, err := p.ImportState(&terraform.InstanceInfo{
Type: "foo",
}, "bar")
if err != nil {
t.Fatalf("err: %s", err)
}
if val != "bar" {
t.Fatal("should set id")
}
}
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func TestProviderImportState_setsType(t *testing.T) {
var tVal string
stateFunc := func(d *ResourceData, meta interface{}) ([]*ResourceData, error) {
d.SetId("foo")
tVal = d.State().Ephemeral.Type
return []*ResourceData{d}, nil
}
p := &Provider{
ResourcesMap: map[string]*Resource{
"foo": &Resource{
Importer: &ResourceImporter{
State: stateFunc,
},
},
},
}
_, err := p.ImportState(&terraform.InstanceInfo{
Type: "foo",
}, "bar")
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if err != nil {
t.Fatalf("err: %s", err)
}
if tVal != "foo" {
t.Fatal("should set type")
}
}
func TestProviderMeta(t *testing.T) {
p := new(Provider)
if v := p.Meta(); v != nil {
t.Fatalf("bad: %#v", v)
}
expected := 42
p.SetMeta(42)
if v := p.Meta(); !reflect.DeepEqual(v, expected) {
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t.Fatalf("bad: %#v", v)
}
}
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func TestProviderStop(t *testing.T) {
var p Provider
if p.Stopped() {
t.Fatal("should not be stopped")
}
// Verify stopch blocks
ch := p.StopContext().Done()
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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)
}
// Verify
if !p.Stopped() {
t.Fatal("should be stopped")
}
select {
case <-ch:
case <-time.After(10 * time.Millisecond):
t.Fatal("should be stopped")
}
}
func TestProviderStop_stopFirst(t *testing.T) {
var p Provider
// Stop it
if err := p.Stop(); err != nil {
t.Fatalf("err: %s", err)
}
// Verify
if !p.Stopped() {
t.Fatal("should be stopped")
}
select {
case <-p.StopContext().Done():
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case <-time.After(10 * time.Millisecond):
t.Fatal("should be stopped")
}
}
func TestProviderReset(t *testing.T) {
var p Provider
stopCtx := p.StopContext()
p.MetaReset = func() error {
stopCtx = p.StopContext()
return nil
}
// cancel the current context
p.Stop()
if err := p.TestReset(); err != nil {
t.Fatal(err)
}
// the first context should have been replaced
if err := stopCtx.Err(); err != nil {
t.Fatal(err)
}
// we should not get a canceled context here either
if err := p.StopContext().Err(); err != nil {
t.Fatal(err)
}
}
func TestProvider_InternalValidate(t *testing.T) {
cases := []struct {
P *Provider
ExpectedErr error
}{
{
P: &Provider{
Schema: map[string]*Schema{
"foo": {
Type: TypeBool,
Optional: true,
},
},
},
ExpectedErr: nil,
},
{ // Reserved resource fields should be allowed in provider block
P: &Provider{
Schema: map[string]*Schema{
"provisioner": {
Type: TypeString,
Optional: true,
},
"count": {
Type: TypeInt,
Optional: true,
},
},
},
ExpectedErr: nil,
},
{ // Reserved provider fields should not be allowed
P: &Provider{
Schema: map[string]*Schema{
"alias": {
Type: TypeString,
Optional: true,
},
},
},
ExpectedErr: fmt.Errorf("%s is a reserved field name for a provider", "alias"),
},
}
for i, tc := range cases {
err := tc.P.InternalValidate()
if tc.ExpectedErr == nil {
if err != nil {
t.Fatalf("%d: Error returned (expected no error): %s", i, err)
}
continue
}
if tc.ExpectedErr != nil && err == nil {
t.Fatalf("%d: Expected error (%s), but no error returned", i, tc.ExpectedErr)
}
if err.Error() != tc.ExpectedErr.Error() {
t.Fatalf("%d: Errors don't match. Expected: %#v Given: %#v", i, tc.ExpectedErr, err)
}
}
}