terraform/plans/objchange/objchange_test.go

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package objchange
import (
"testing"
"github.com/apparentlymart/go-dump/dump"
"github.com/zclconf/go-cty/cty"
"github.com/hashicorp/terraform/configs/configschema"
)
func TestProposedNewObject(t *testing.T) {
tests := map[string]struct {
Schema *configschema.Block
Prior cty.Value
Config cty.Value
Want cty.Value
}{
"empty": {
&configschema.Block{},
cty.EmptyObjectVal,
cty.EmptyObjectVal,
cty.EmptyObjectVal,
},
"no prior": {
&configschema.Block{
Attributes: map[string]*configschema.Attribute{
"foo": {
Type: cty.String,
Optional: true,
},
"bar": {
Type: cty.String,
Computed: true,
},
},
BlockTypes: map[string]*configschema.NestedBlock{
"baz": {
Nesting: configschema.NestingSingle,
Block: configschema.Block{
Attributes: map[string]*configschema.Attribute{
"boz": {
Type: cty.String,
Optional: true,
Computed: true,
},
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"biz": {
Type: cty.String,
Optional: true,
Computed: true,
},
},
},
},
},
},
cty.NullVal(cty.DynamicPseudoType),
cty.ObjectVal(map[string]cty.Value{
"foo": cty.StringVal("hello"),
"bar": cty.NullVal(cty.String),
"baz": cty.ObjectVal(map[string]cty.Value{
"boz": cty.StringVal("world"),
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// An unknown in the config represents a situation where
// an argument is explicitly set to an expression result
// that is derived from an unknown value. This is distinct
// from leaving it null, which allows the provider itself
// to decide the value during PlanResourceChange.
"biz": cty.UnknownVal(cty.String),
}),
}),
cty.ObjectVal(map[string]cty.Value{
"foo": cty.StringVal("hello"),
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// unset computed attributes are null in the proposal; provider
// usually changes them to "unknown" during PlanResourceChange,
// to indicate that the value will be decided during apply.
"bar": cty.NullVal(cty.String),
"baz": cty.ObjectVal(map[string]cty.Value{
"boz": cty.StringVal("world"),
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"biz": cty.UnknownVal(cty.String), // explicit unknown preserved from config
}),
}),
},
"no prior with set": {
// This one is here because our handling of sets is more complex
// than others (due to the fuzzy correlation heuristic) and
// historically that caused us some panic-related grief.
&configschema.Block{
BlockTypes: map[string]*configschema.NestedBlock{
"baz": {
Nesting: configschema.NestingSet,
Block: configschema.Block{
Attributes: map[string]*configschema.Attribute{
"boz": {
Type: cty.String,
Optional: true,
Computed: true,
},
},
},
},
},
},
cty.NullVal(cty.DynamicPseudoType),
cty.ObjectVal(map[string]cty.Value{
"baz": cty.SetVal([]cty.Value{
cty.ObjectVal(map[string]cty.Value{
"boz": cty.StringVal("world"),
}),
}),
}),
cty.ObjectVal(map[string]cty.Value{
"baz": cty.SetVal([]cty.Value{
cty.ObjectVal(map[string]cty.Value{
"boz": cty.StringVal("world"),
}),
}),
}),
},
"prior attributes": {
&configschema.Block{
Attributes: map[string]*configschema.Attribute{
"foo": {
Type: cty.String,
Optional: true,
},
"bar": {
Type: cty.String,
Computed: true,
},
"baz": {
Type: cty.String,
Optional: true,
Computed: true,
},
"boz": {
Type: cty.String,
Optional: true,
Computed: true,
},
},
},
cty.ObjectVal(map[string]cty.Value{
"foo": cty.StringVal("bonjour"),
"bar": cty.StringVal("petit dejeuner"),
"baz": cty.StringVal("grande dejeuner"),
"boz": cty.StringVal("a la monde"),
}),
cty.ObjectVal(map[string]cty.Value{
"foo": cty.StringVal("hello"),
"bar": cty.NullVal(cty.String),
"baz": cty.NullVal(cty.String),
"boz": cty.StringVal("world"),
}),
cty.ObjectVal(map[string]cty.Value{
"foo": cty.StringVal("hello"),
"bar": cty.StringVal("petit dejeuner"),
"baz": cty.StringVal("grande dejeuner"),
"boz": cty.StringVal("world"),
}),
},
"prior nested single": {
&configschema.Block{
BlockTypes: map[string]*configschema.NestedBlock{
"foo": {
Nesting: configschema.NestingSingle,
Block: configschema.Block{
Attributes: map[string]*configschema.Attribute{
"bar": {
Type: cty.String,
Optional: true,
Computed: true,
},
"baz": {
Type: cty.String,
Optional: true,
Computed: true,
},
},
},
},
},
},
cty.ObjectVal(map[string]cty.Value{
"foo": cty.ObjectVal(map[string]cty.Value{
"bar": cty.StringVal("beep"),
"baz": cty.StringVal("boop"),
}),
}),
cty.ObjectVal(map[string]cty.Value{
"foo": cty.ObjectVal(map[string]cty.Value{
"bar": cty.StringVal("bap"),
"baz": cty.NullVal(cty.String),
}),
}),
cty.ObjectVal(map[string]cty.Value{
"foo": cty.ObjectVal(map[string]cty.Value{
"bar": cty.StringVal("bap"),
"baz": cty.StringVal("boop"),
}),
}),
},
"prior nested list": {
&configschema.Block{
BlockTypes: map[string]*configschema.NestedBlock{
"foo": {
Nesting: configschema.NestingList,
Block: configschema.Block{
Attributes: map[string]*configschema.Attribute{
"bar": {
Type: cty.String,
Optional: true,
Computed: true,
},
"baz": {
Type: cty.String,
Optional: true,
Computed: true,
},
},
},
},
},
},
cty.ObjectVal(map[string]cty.Value{
"foo": cty.ListVal([]cty.Value{
cty.ObjectVal(map[string]cty.Value{
"bar": cty.StringVal("beep"),
"baz": cty.StringVal("boop"),
}),
}),
}),
cty.ObjectVal(map[string]cty.Value{
"foo": cty.ListVal([]cty.Value{
cty.ObjectVal(map[string]cty.Value{
"bar": cty.StringVal("bap"),
"baz": cty.NullVal(cty.String),
}),
cty.ObjectVal(map[string]cty.Value{
"bar": cty.StringVal("blep"),
"baz": cty.NullVal(cty.String),
}),
}),
}),
cty.ObjectVal(map[string]cty.Value{
"foo": cty.ListVal([]cty.Value{
cty.ObjectVal(map[string]cty.Value{
"bar": cty.StringVal("bap"),
"baz": cty.StringVal("boop"),
}),
cty.ObjectVal(map[string]cty.Value{
"bar": cty.StringVal("blep"),
"baz": cty.NullVal(cty.String),
}),
}),
}),
},
"prior nested list with dynamic": {
&configschema.Block{
BlockTypes: map[string]*configschema.NestedBlock{
"foo": {
Nesting: configschema.NestingList,
Block: configschema.Block{
Attributes: map[string]*configschema.Attribute{
"bar": {
Type: cty.String,
Optional: true,
Computed: true,
},
"baz": {
Type: cty.DynamicPseudoType,
Optional: true,
Computed: true,
},
},
},
},
},
},
cty.ObjectVal(map[string]cty.Value{
"foo": cty.TupleVal([]cty.Value{
cty.ObjectVal(map[string]cty.Value{
"bar": cty.StringVal("beep"),
"baz": cty.StringVal("boop"),
}),
}),
}),
cty.ObjectVal(map[string]cty.Value{
"foo": cty.TupleVal([]cty.Value{
cty.ObjectVal(map[string]cty.Value{
"bar": cty.StringVal("bap"),
"baz": cty.NullVal(cty.String),
}),
cty.ObjectVal(map[string]cty.Value{
"bar": cty.StringVal("blep"),
"baz": cty.NullVal(cty.String),
}),
}),
}),
cty.ObjectVal(map[string]cty.Value{
"foo": cty.TupleVal([]cty.Value{
cty.ObjectVal(map[string]cty.Value{
"bar": cty.StringVal("bap"),
"baz": cty.StringVal("boop"),
}),
cty.ObjectVal(map[string]cty.Value{
"bar": cty.StringVal("blep"),
"baz": cty.NullVal(cty.String),
}),
}),
}),
},
"prior nested map": {
&configschema.Block{
BlockTypes: map[string]*configschema.NestedBlock{
"foo": {
Nesting: configschema.NestingMap,
Block: configschema.Block{
Attributes: map[string]*configschema.Attribute{
"bar": {
Type: cty.String,
Optional: true,
Computed: true,
},
"baz": {
Type: cty.String,
Optional: true,
Computed: true,
},
},
},
},
},
},
cty.ObjectVal(map[string]cty.Value{
"foo": cty.MapVal(map[string]cty.Value{
"a": cty.ObjectVal(map[string]cty.Value{
"bar": cty.StringVal("beep"),
"baz": cty.StringVal("boop"),
}),
"b": cty.ObjectVal(map[string]cty.Value{
"bar": cty.StringVal("blep"),
"baz": cty.StringVal("boot"),
}),
}),
}),
cty.ObjectVal(map[string]cty.Value{
"foo": cty.MapVal(map[string]cty.Value{
"a": cty.ObjectVal(map[string]cty.Value{
"bar": cty.StringVal("bap"),
"baz": cty.NullVal(cty.String),
}),
"c": cty.ObjectVal(map[string]cty.Value{
"bar": cty.StringVal("bosh"),
"baz": cty.NullVal(cty.String),
}),
}),
}),
cty.ObjectVal(map[string]cty.Value{
"foo": cty.MapVal(map[string]cty.Value{
"a": cty.ObjectVal(map[string]cty.Value{
"bar": cty.StringVal("bap"),
"baz": cty.StringVal("boop"),
}),
"c": cty.ObjectVal(map[string]cty.Value{
"bar": cty.StringVal("bosh"),
"baz": cty.NullVal(cty.String),
}),
}),
}),
},
"prior nested map with dynamic": {
&configschema.Block{
BlockTypes: map[string]*configschema.NestedBlock{
"foo": {
Nesting: configschema.NestingMap,
Block: configschema.Block{
Attributes: map[string]*configschema.Attribute{
"bar": {
Type: cty.String,
Optional: true,
Computed: true,
},
"baz": {
Type: cty.DynamicPseudoType,
Optional: true,
Computed: true,
},
},
},
},
},
},
cty.ObjectVal(map[string]cty.Value{
"foo": cty.ObjectVal(map[string]cty.Value{
"a": cty.ObjectVal(map[string]cty.Value{
"bar": cty.StringVal("beep"),
"baz": cty.StringVal("boop"),
}),
"b": cty.ObjectVal(map[string]cty.Value{
"bar": cty.StringVal("blep"),
"baz": cty.StringVal("boot"),
}),
}),
}),
cty.ObjectVal(map[string]cty.Value{
"foo": cty.ObjectVal(map[string]cty.Value{
"a": cty.ObjectVal(map[string]cty.Value{
"bar": cty.StringVal("bap"),
"baz": cty.NullVal(cty.String),
}),
"c": cty.ObjectVal(map[string]cty.Value{
"bar": cty.StringVal("bosh"),
"baz": cty.NullVal(cty.String),
}),
}),
}),
cty.ObjectVal(map[string]cty.Value{
"foo": cty.ObjectVal(map[string]cty.Value{
"a": cty.ObjectVal(map[string]cty.Value{
"bar": cty.StringVal("bap"),
"baz": cty.StringVal("boop"),
}),
"c": cty.ObjectVal(map[string]cty.Value{
"bar": cty.StringVal("bosh"),
"baz": cty.NullVal(cty.String),
}),
}),
}),
},
"prior nested set": {
&configschema.Block{
BlockTypes: map[string]*configschema.NestedBlock{
"foo": {
Nesting: configschema.NestingSet,
Block: configschema.Block{
Attributes: map[string]*configschema.Attribute{
"bar": {
// This non-computed attribute will serve
// as our matching key for propagating
// "baz" from elements in the prior value.
Type: cty.String,
Optional: true,
},
"baz": {
Type: cty.String,
Optional: true,
Computed: true,
},
},
},
},
},
},
cty.ObjectVal(map[string]cty.Value{
"foo": cty.SetVal([]cty.Value{
cty.ObjectVal(map[string]cty.Value{
"bar": cty.StringVal("beep"),
"baz": cty.StringVal("boop"),
}),
cty.ObjectVal(map[string]cty.Value{
"bar": cty.StringVal("blep"),
"baz": cty.StringVal("boot"),
}),
}),
}),
cty.ObjectVal(map[string]cty.Value{
"foo": cty.SetVal([]cty.Value{
cty.ObjectVal(map[string]cty.Value{
"bar": cty.StringVal("beep"),
"baz": cty.NullVal(cty.String),
}),
cty.ObjectVal(map[string]cty.Value{
"bar": cty.StringVal("bosh"),
"baz": cty.NullVal(cty.String),
}),
}),
}),
cty.ObjectVal(map[string]cty.Value{
"foo": cty.SetVal([]cty.Value{
cty.ObjectVal(map[string]cty.Value{
"bar": cty.StringVal("beep"),
"baz": cty.StringVal("boop"),
}),
cty.ObjectVal(map[string]cty.Value{
"bar": cty.StringVal("bosh"),
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"baz": cty.NullVal(cty.String),
}),
}),
}),
},
"sets differing only by unknown": {
&configschema.Block{
BlockTypes: map[string]*configschema.NestedBlock{
"multi": {
Nesting: configschema.NestingSet,
Block: configschema.Block{
Attributes: map[string]*configschema.Attribute{
"optional": {
Type: cty.String,
Optional: true,
Computed: true,
},
},
},
},
},
},
cty.NullVal(cty.DynamicPseudoType),
cty.ObjectVal(map[string]cty.Value{
"multi": cty.SetVal([]cty.Value{
cty.ObjectVal(map[string]cty.Value{
"optional": cty.UnknownVal(cty.String),
}),
cty.ObjectVal(map[string]cty.Value{
"optional": cty.UnknownVal(cty.String),
}),
}),
}),
cty.ObjectVal(map[string]cty.Value{
"multi": cty.SetVal([]cty.Value{
// These remain distinct because unknown values never
// compare equal. They may be consolidated together once
// the values become known, though.
cty.ObjectVal(map[string]cty.Value{
"optional": cty.UnknownVal(cty.String),
}),
cty.ObjectVal(map[string]cty.Value{
"optional": cty.UnknownVal(cty.String),
}),
}),
}),
},
}
for name, test := range tests {
t.Run(name, func(t *testing.T) {
got := ProposedNewObject(test.Schema, test.Prior, test.Config)
if !got.RawEquals(test.Want) {
t.Errorf("wrong result\ngot: %swant: %s", dump.Value(got), dump.Value(test.Want))
}
})
}
}