terraform/helper/schema/field_reader_config_test.go

696 lines
14 KiB
Go

package schema
import (
"bytes"
"fmt"
"reflect"
"testing"
"github.com/hashicorp/hil/ast"
"github.com/hashicorp/terraform/config"
"github.com/hashicorp/terraform/helper/hashcode"
"github.com/hashicorp/terraform/terraform"
)
func TestConfigFieldReader_impl(t *testing.T) {
var _ FieldReader = new(ConfigFieldReader)
}
func TestConfigFieldReader(t *testing.T) {
testFieldReader(t, func(s map[string]*Schema) FieldReader {
return &ConfigFieldReader{
Schema: s,
Config: testConfig(t, map[string]interface{}{
"bool": true,
"float": 3.1415,
"int": 42,
"string": "string",
"list": []interface{}{"foo", "bar"},
"listInt": []interface{}{21, 42},
"map": map[string]interface{}{
"foo": "bar",
"bar": "baz",
},
"mapInt": map[string]interface{}{
"one": "1",
"two": "2",
},
"mapFloat": map[string]interface{}{
"oneDotTwo": "1.2",
},
"mapBool": map[string]interface{}{
"True": "true",
"False": "false",
},
"set": []interface{}{10, 50},
"setDeep": []interface{}{
map[string]interface{}{
"index": 10,
"value": "foo",
},
map[string]interface{}{
"index": 50,
"value": "bar",
},
},
}),
}
})
}
// This contains custom table tests for our ConfigFieldReader
func TestConfigFieldReader_custom(t *testing.T) {
schema := map[string]*Schema{
"bool": &Schema{
Type: TypeBool,
},
}
cases := map[string]struct {
Addr []string
Result FieldReadResult
Config *terraform.ResourceConfig
Err bool
}{
"basic": {
[]string{"bool"},
FieldReadResult{
Value: true,
Exists: true,
},
testConfig(t, map[string]interface{}{
"bool": true,
}),
false,
},
"computed": {
[]string{"bool"},
FieldReadResult{
Exists: true,
Computed: true,
},
testConfigInterpolate(t, map[string]interface{}{
"bool": "${var.foo}",
}, map[string]ast.Variable{
"var.foo": ast.Variable{
Value: config.UnknownVariableValue,
Type: ast.TypeString,
},
}),
false,
},
}
for name, tc := range cases {
t.Run(name, func(t *testing.T) {
r := &ConfigFieldReader{
Schema: schema,
Config: tc.Config,
}
out, err := r.ReadField(tc.Addr)
if err != nil != tc.Err {
t.Fatalf("%s: err: %s", name, err)
}
if s, ok := out.Value.(*Set); ok {
// If it is a set, convert to a list so its more easily checked.
out.Value = s.List()
}
if !reflect.DeepEqual(tc.Result, out) {
t.Fatalf("%s: bad: %#v", name, out)
}
})
}
}
func TestConfigFieldReader_DefaultHandling(t *testing.T) {
schema := map[string]*Schema{
"strWithDefault": &Schema{
Type: TypeString,
Default: "ImADefault",
},
"strWithDefaultFunc": &Schema{
Type: TypeString,
DefaultFunc: func() (interface{}, error) {
return "FuncDefault", nil
},
},
}
cases := map[string]struct {
Addr []string
Result FieldReadResult
Config *terraform.ResourceConfig
Err bool
}{
"gets default value when no config set": {
[]string{"strWithDefault"},
FieldReadResult{
Value: "ImADefault",
Exists: true,
Computed: false,
},
testConfig(t, map[string]interface{}{}),
false,
},
"config overrides default value": {
[]string{"strWithDefault"},
FieldReadResult{
Value: "fromConfig",
Exists: true,
Computed: false,
},
testConfig(t, map[string]interface{}{
"strWithDefault": "fromConfig",
}),
false,
},
"gets default from function when no config set": {
[]string{"strWithDefaultFunc"},
FieldReadResult{
Value: "FuncDefault",
Exists: true,
Computed: false,
},
testConfig(t, map[string]interface{}{}),
false,
},
"config overrides default function": {
[]string{"strWithDefaultFunc"},
FieldReadResult{
Value: "fromConfig",
Exists: true,
Computed: false,
},
testConfig(t, map[string]interface{}{
"strWithDefaultFunc": "fromConfig",
}),
false,
},
}
for name, tc := range cases {
r := &ConfigFieldReader{
Schema: schema,
Config: tc.Config,
}
out, err := r.ReadField(tc.Addr)
if err != nil != tc.Err {
t.Fatalf("%s: err: %s", name, err)
}
if s, ok := out.Value.(*Set); ok {
// If it is a set, convert to a list so its more easily checked.
out.Value = s.List()
}
if !reflect.DeepEqual(tc.Result, out) {
t.Fatalf("%s: bad: %#v", name, out)
}
}
}
func TestConfigFieldReader_ComputedMap(t *testing.T) {
schema := map[string]*Schema{
"map": &Schema{
Type: TypeMap,
Computed: true,
},
"listmap": &Schema{
Type: TypeMap,
Computed: true,
Elem: TypeList,
},
"maplist": &Schema{
Type: TypeList,
Computed: true,
Elem: TypeMap,
},
}
cases := []struct {
Name string
Addr []string
Result FieldReadResult
Config *terraform.ResourceConfig
Err bool
}{
{
"set, normal",
[]string{"map"},
FieldReadResult{
Value: map[string]interface{}{
"foo": "bar",
},
Exists: true,
Computed: false,
},
testConfig(t, map[string]interface{}{
"map": map[string]interface{}{
"foo": "bar",
},
}),
false,
},
{
"computed element",
[]string{"map"},
FieldReadResult{
Exists: true,
Computed: true,
},
testConfigInterpolate(t, map[string]interface{}{
"map": map[string]interface{}{
"foo": "${var.foo}",
},
}, map[string]ast.Variable{
"var.foo": ast.Variable{
Value: config.UnknownVariableValue,
Type: ast.TypeString,
},
}),
false,
},
{
"native map",
[]string{"map"},
FieldReadResult{
Value: map[string]interface{}{
"bar": "baz",
"baz": "bar",
},
Exists: true,
Computed: false,
},
testConfigInterpolate(t, map[string]interface{}{
"map": "${var.foo}",
}, map[string]ast.Variable{
"var.foo": ast.Variable{
Type: ast.TypeMap,
Value: map[string]ast.Variable{
"bar": ast.Variable{
Type: ast.TypeString,
Value: "baz",
},
"baz": ast.Variable{
Type: ast.TypeString,
Value: "bar",
},
},
},
}),
false,
},
{
"map-from-list-of-maps",
[]string{"maplist", "0"},
FieldReadResult{
Value: map[string]interface{}{
"key": "bar",
},
Exists: true,
Computed: false,
},
testConfigInterpolate(t, map[string]interface{}{
"maplist": "${var.foo}",
}, map[string]ast.Variable{
"var.foo": ast.Variable{
Type: ast.TypeList,
Value: []ast.Variable{
{
Type: ast.TypeMap,
Value: map[string]ast.Variable{
"key": ast.Variable{
Type: ast.TypeString,
Value: "bar",
},
},
},
},
},
}),
false,
},
{
"value-from-list-of-maps",
[]string{"maplist", "0", "key"},
FieldReadResult{
Value: "bar",
Exists: true,
Computed: false,
},
testConfigInterpolate(t, map[string]interface{}{
"maplist": "${var.foo}",
}, map[string]ast.Variable{
"var.foo": ast.Variable{
Type: ast.TypeList,
Value: []ast.Variable{
{
Type: ast.TypeMap,
Value: map[string]ast.Variable{
"key": ast.Variable{
Type: ast.TypeString,
Value: "bar",
},
},
},
},
},
}),
false,
},
{
"list-from-map-of-lists",
[]string{"listmap", "key"},
FieldReadResult{
Value: []interface{}{"bar"},
Exists: true,
Computed: false,
},
testConfigInterpolate(t, map[string]interface{}{
"listmap": "${var.foo}",
}, map[string]ast.Variable{
"var.foo": ast.Variable{
Type: ast.TypeMap,
Value: map[string]ast.Variable{
"key": ast.Variable{
Type: ast.TypeList,
Value: []ast.Variable{
ast.Variable{
Type: ast.TypeString,
Value: "bar",
},
},
},
},
},
}),
false,
},
{
"value-from-map-of-lists",
[]string{"listmap", "key", "0"},
FieldReadResult{
Value: "bar",
Exists: true,
Computed: false,
},
testConfigInterpolate(t, map[string]interface{}{
"listmap": "${var.foo}",
}, map[string]ast.Variable{
"var.foo": ast.Variable{
Type: ast.TypeMap,
Value: map[string]ast.Variable{
"key": ast.Variable{
Type: ast.TypeList,
Value: []ast.Variable{
ast.Variable{
Type: ast.TypeString,
Value: "bar",
},
},
},
},
},
}),
false,
},
}
for i, tc := range cases {
t.Run(fmt.Sprintf("%d-%s", i, tc.Name), func(t *testing.T) {
r := &ConfigFieldReader{
Schema: schema,
Config: tc.Config,
}
out, err := r.ReadField(tc.Addr)
if err != nil != tc.Err {
t.Fatal(err)
}
if s, ok := out.Value.(*Set); ok {
// If it is a set, convert to the raw map
out.Value = s.m
if len(s.m) == 0 {
out.Value = nil
}
}
if !reflect.DeepEqual(tc.Result, out) {
t.Fatalf("\nexpected: %#v\ngot: %#v", tc.Result, out)
}
})
}
}
func TestConfigFieldReader_ComputedSet(t *testing.T) {
schema := map[string]*Schema{
"strSet": &Schema{
Type: TypeSet,
Elem: &Schema{Type: TypeString},
Set: HashString,
},
}
cases := map[string]struct {
Addr []string
Result FieldReadResult
Config *terraform.ResourceConfig
Err bool
}{
"set, normal": {
[]string{"strSet"},
FieldReadResult{
Value: map[string]interface{}{
"2356372769": "foo",
},
Exists: true,
Computed: false,
},
testConfig(t, map[string]interface{}{
"strSet": []interface{}{"foo"},
}),
false,
},
"set, computed element": {
[]string{"strSet"},
FieldReadResult{
Value: nil,
Exists: true,
Computed: true,
},
testConfigInterpolate(t, map[string]interface{}{
"strSet": []interface{}{"${var.foo}"},
}, map[string]ast.Variable{
"var.foo": ast.Variable{
Value: config.UnknownVariableValue,
Type: ast.TypeUnknown,
},
}),
false,
},
"set, computed element substring": {
[]string{"strSet"},
FieldReadResult{
Value: nil,
Exists: true,
Computed: true,
},
testConfigInterpolate(t, map[string]interface{}{
"strSet": []interface{}{"${var.foo}/32"},
}, map[string]ast.Variable{
"var.foo": ast.Variable{
Value: config.UnknownVariableValue,
Type: ast.TypeUnknown,
},
}),
false,
},
}
for name, tc := range cases {
r := &ConfigFieldReader{
Schema: schema,
Config: tc.Config,
}
out, err := r.ReadField(tc.Addr)
if err != nil != tc.Err {
t.Fatalf("%s: err: %s", name, err)
}
if s, ok := out.Value.(*Set); ok {
// If it is a set, convert to the raw map
out.Value = s.m
if len(s.m) == 0 {
out.Value = nil
}
}
if !reflect.DeepEqual(tc.Result, out) {
t.Fatalf("%s: bad: %#v", name, out)
}
}
}
func TestConfigFieldReader_computedComplexSet(t *testing.T) {
hashfunc := func(v interface{}) int {
var buf bytes.Buffer
m := v.(map[string]interface{})
buf.WriteString(fmt.Sprintf("%s-", m["name"].(string)))
buf.WriteString(fmt.Sprintf("%s-", m["vhd_uri"].(string)))
return hashcode.String(buf.String())
}
schema := map[string]*Schema{
"set": &Schema{
Type: TypeSet,
Elem: &Resource{
Schema: map[string]*Schema{
"name": {
Type: TypeString,
Required: true,
},
"vhd_uri": {
Type: TypeString,
Required: true,
},
},
},
Set: hashfunc,
},
}
cases := map[string]struct {
Addr []string
Result FieldReadResult
Config *terraform.ResourceConfig
Err bool
}{
"set, normal": {
[]string{"set"},
FieldReadResult{
Value: map[string]interface{}{
"532860136": map[string]interface{}{
"name": "myosdisk1",
"vhd_uri": "bar",
},
},
Exists: true,
Computed: false,
},
testConfig(t, map[string]interface{}{
"set": []interface{}{
map[string]interface{}{
"name": "myosdisk1",
"vhd_uri": "bar",
},
},
}),
false,
},
"set, computed element": {
[]string{"set"},
FieldReadResult{
Value: map[string]interface{}{
"~3596295623": map[string]interface{}{
"name": "myosdisk1",
"vhd_uri": "${var.foo}/bar",
},
},
Exists: true,
Computed: false,
},
testConfigInterpolate(t, map[string]interface{}{
"set": []interface{}{
map[string]interface{}{
"name": "myosdisk1",
"vhd_uri": "${var.foo}/bar",
},
},
}, map[string]ast.Variable{
"var.foo": ast.Variable{
Value: config.UnknownVariableValue,
Type: ast.TypeUnknown,
},
}),
false,
},
"set, computed element single": {
[]string{"set", "~3596295623", "vhd_uri"},
FieldReadResult{
Value: "${var.foo}/bar",
Exists: true,
Computed: true,
},
testConfigInterpolate(t, map[string]interface{}{
"set": []interface{}{
map[string]interface{}{
"name": "myosdisk1",
"vhd_uri": "${var.foo}/bar",
},
},
}, map[string]ast.Variable{
"var.foo": ast.Variable{
Value: config.UnknownVariableValue,
Type: ast.TypeUnknown,
},
}),
false,
},
}
for name, tc := range cases {
r := &ConfigFieldReader{
Schema: schema,
Config: tc.Config,
}
out, err := r.ReadField(tc.Addr)
if err != nil != tc.Err {
t.Fatalf("%s: err: %s", name, err)
}
if s, ok := out.Value.(*Set); ok {
// If it is a set, convert to the raw map
out.Value = s.m
if len(s.m) == 0 {
out.Value = nil
}
}
if !reflect.DeepEqual(tc.Result, out) {
t.Fatalf("%s: bad: %#v", name, out)
}
}
}
func testConfig(
t *testing.T, raw map[string]interface{}) *terraform.ResourceConfig {
return testConfigInterpolate(t, raw, nil)
}
func testConfigInterpolate(
t *testing.T,
raw map[string]interface{},
vs map[string]ast.Variable) *terraform.ResourceConfig {
rc, err := config.NewRawConfig(raw)
if err != nil {
t.Fatalf("err: %s", err)
}
if len(vs) > 0 {
if err := rc.Interpolate(vs); err != nil {
t.Fatalf("err: %s", err)
}
}
return terraform.NewResourceConfig(rc)
}