terraform/command/jsonplan/values_test.go

324 lines
7.2 KiB
Go

package jsonplan
import (
"encoding/json"
"reflect"
"testing"
"github.com/hashicorp/terraform/addrs"
"github.com/hashicorp/terraform/configs/configschema"
"github.com/hashicorp/terraform/plans"
"github.com/hashicorp/terraform/terraform"
"github.com/zclconf/go-cty/cty"
)
func TestMarshalAttributeValues(t *testing.T) {
tests := []struct {
Attr cty.Value
Schema *configschema.Block
Want attributeValues
}{
{
cty.NilVal,
&configschema.Block{
Attributes: map[string]*configschema.Attribute{
"foo": {
Type: cty.String,
Optional: true,
},
},
},
nil,
},
{
cty.NullVal(cty.String),
&configschema.Block{
Attributes: map[string]*configschema.Attribute{
"foo": {
Type: cty.String,
Optional: true,
},
},
},
nil,
},
{
cty.ObjectVal(map[string]cty.Value{
"foo": cty.StringVal("bar"),
}),
&configschema.Block{
Attributes: map[string]*configschema.Attribute{
"foo": {
Type: cty.String,
Optional: true,
},
},
},
attributeValues{"foo": json.RawMessage(`"bar"`)},
},
{
cty.ObjectVal(map[string]cty.Value{
"foo": cty.NullVal(cty.String),
}),
&configschema.Block{
Attributes: map[string]*configschema.Attribute{
"foo": {
Type: cty.String,
Optional: true,
},
},
},
attributeValues{"foo": json.RawMessage(`null`)},
},
{
cty.ObjectVal(map[string]cty.Value{
"bar": cty.MapVal(map[string]cty.Value{
"hello": cty.StringVal("world"),
}),
"baz": cty.ListVal([]cty.Value{
cty.StringVal("goodnight"),
cty.StringVal("moon"),
}),
}),
&configschema.Block{
Attributes: map[string]*configschema.Attribute{
"bar": {
Type: cty.Map(cty.String),
Required: true,
},
"baz": {
Type: cty.List(cty.String),
Optional: true,
},
},
},
attributeValues{
"bar": json.RawMessage(`{"hello":"world"}`),
"baz": json.RawMessage(`["goodnight","moon"]`),
},
},
}
for _, test := range tests {
got := marshalAttributeValues(test.Attr, test.Schema)
eq := reflect.DeepEqual(got, test.Want)
if !eq {
t.Fatalf("wrong result:\nGot: %#v\nWant: %#v\n", got, test.Want)
}
}
}
func TestMarshalPlannedOutputs(t *testing.T) {
after, _ := plans.NewDynamicValue(cty.StringVal("after"), cty.DynamicPseudoType)
tests := []struct {
Changes *plans.Changes
Want map[string]output
Err bool
}{
{
&plans.Changes{},
nil,
false,
},
{
&plans.Changes{
Outputs: []*plans.OutputChangeSrc{
{
Addr: addrs.OutputValue{Name: "bar"}.Absolute(addrs.RootModuleInstance),
ChangeSrc: plans.ChangeSrc{
Action: plans.Create,
After: after,
},
Sensitive: false,
},
},
},
map[string]output{
"bar": {
Sensitive: false,
Value: json.RawMessage(`"after"`),
},
},
false,
},
{ // Delete action
&plans.Changes{
Outputs: []*plans.OutputChangeSrc{
{
Addr: addrs.OutputValue{Name: "bar"}.Absolute(addrs.RootModuleInstance),
ChangeSrc: plans.ChangeSrc{
Action: plans.Delete,
},
Sensitive: false,
},
},
},
map[string]output{},
false,
},
}
for _, test := range tests {
got, err := marshalPlannedOutputs(test.Changes)
if test.Err {
if err == nil {
t.Fatal("succeeded; want error")
}
return
} else if err != nil {
t.Fatalf("unexpected error: %s", err)
}
eq := reflect.DeepEqual(got, test.Want)
if !eq {
t.Fatalf("wrong result:\nGot: %#v\nWant: %#v\n", got, test.Want)
}
}
}
func TestMarshalPlanResources(t *testing.T) {
tests := map[string]struct {
Action plans.Action
Before cty.Value
After cty.Value
Want []resource
Err bool
}{
"create with unknowns": {
Action: plans.Create,
Before: cty.NullVal(cty.EmptyObject),
After: cty.ObjectVal(map[string]cty.Value{
"woozles": cty.UnknownVal(cty.String),
"foozles": cty.UnknownVal(cty.String),
}),
Want: []resource{resource{
Address: "test_thing.example",
Mode: "managed",
Type: "test_thing",
Name: "example",
Index: addrs.InstanceKey(nil),
ProviderName: "test",
SchemaVersion: 1,
AttributeValues: attributeValues{},
}},
Err: false,
},
"delete": {
Action: plans.Delete,
Before: cty.NullVal(cty.EmptyObject),
After: cty.NilVal,
Want: nil,
Err: false,
},
"update without unknowns": {
Action: plans.Update,
Before: cty.ObjectVal(map[string]cty.Value{
"woozles": cty.StringVal("foo"),
"foozles": cty.StringVal("bar"),
}),
After: cty.ObjectVal(map[string]cty.Value{
"woozles": cty.StringVal("baz"),
"foozles": cty.StringVal("bat"),
}),
Want: []resource{resource{
Address: "test_thing.example",
Mode: "managed",
Type: "test_thing",
Name: "example",
Index: addrs.InstanceKey(nil),
ProviderName: "test",
SchemaVersion: 1,
AttributeValues: attributeValues{
"woozles": json.RawMessage(`"baz"`),
"foozles": json.RawMessage(`"bat"`),
},
}},
Err: false,
},
}
for name, test := range tests {
t.Run(name, func(t *testing.T) {
before, err := plans.NewDynamicValue(test.Before, test.Before.Type())
if err != nil {
t.Fatal(err)
}
after, err := plans.NewDynamicValue(test.After, test.After.Type())
if err != nil {
t.Fatal(err)
}
testChange := &plans.Changes{
Resources: []*plans.ResourceInstanceChangeSrc{
{
Addr: addrs.Resource{
Mode: addrs.ManagedResourceMode,
Type: "test_thing",
Name: "example",
}.Instance(addrs.NoKey).Absolute(addrs.RootModuleInstance),
ProviderAddr: addrs.LocalProviderConfig{LocalName: "test"}.Absolute(addrs.RootModuleInstance),
ChangeSrc: plans.ChangeSrc{
Action: test.Action,
Before: before,
After: after,
},
},
},
}
ris := testResourceAddrs()
got, err := marshalPlanResources(testChange, ris, testSchemas())
if test.Err {
if err == nil {
t.Fatal("succeeded; want error")
}
return
} else if err != nil {
t.Fatalf("unexpected error: %s", err)
}
eq := reflect.DeepEqual(got, test.Want)
if !eq {
t.Fatalf("wrong result:\nGot: %#v\nWant: %#v\n", got, test.Want)
}
})
}
}
func testSchemas() *terraform.Schemas {
return &terraform.Schemas{
Providers: map[string]*terraform.ProviderSchema{
"test": &terraform.ProviderSchema{
ResourceTypes: map[string]*configschema.Block{
"test_thing": {
Attributes: map[string]*configschema.Attribute{
"woozles": {Type: cty.String, Optional: true, Computed: true},
"foozles": {Type: cty.String, Optional: true},
},
},
},
ResourceTypeSchemaVersions: map[string]uint64{
"test_thing": 1,
},
},
},
}
}
func testResourceAddrs() []addrs.AbsResourceInstance {
return []addrs.AbsResourceInstance{
mustAddr("test_thing.example"),
}
}
func mustAddr(str string) addrs.AbsResourceInstance {
addr, diags := addrs.ParseAbsResourceInstanceStr(str)
if diags.HasErrors() {
panic(diags.Err())
}
return addr
}