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Copy pathschema_test.go
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4952 lines (4286 loc) · 96.4 KB
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package schema
import (
"bytes"
"fmt"
"os"
"reflect"
"sort"
"strconv"
"testing"
"github.com/hashicorp/hil"
"github.com/hashicorp/hil/ast"
"github.com/hashicorp/terraform/config"
"github.com/hashicorp/terraform/helper/hashcode"
"github.com/hashicorp/terraform/terraform"
)
func TestEnvDefaultFunc(t *testing.T) {
key := "TF_TEST_ENV_DEFAULT_FUNC"
defer os.Unsetenv(key)
f := EnvDefaultFunc(key, "42")
if err := os.Setenv(key, "foo"); err != nil {
t.Fatalf("err: %s", err)
}
actual, err := f()
if err != nil {
t.Fatalf("err: %s", err)
}
if actual != "foo" {
t.Fatalf("bad: %#v", actual)
}
if err := os.Unsetenv(key); err != nil {
t.Fatalf("err: %s", err)
}
actual, err = f()
if err != nil {
t.Fatalf("err: %s", err)
}
if actual != "42" {
t.Fatalf("bad: %#v", actual)
}
}
func TestMultiEnvDefaultFunc(t *testing.T) {
keys := []string{
"TF_TEST_MULTI_ENV_DEFAULT_FUNC1",
"TF_TEST_MULTI_ENV_DEFAULT_FUNC2",
}
defer func() {
for _, k := range keys {
os.Unsetenv(k)
}
}()
// Test that the first key is returned first
f := MultiEnvDefaultFunc(keys, "42")
if err := os.Setenv(keys[0], "foo"); err != nil {
t.Fatalf("err: %s", err)
}
actual, err := f()
if err != nil {
t.Fatalf("err: %s", err)
}
if actual != "foo" {
t.Fatalf("bad: %#v", actual)
}
if err := os.Unsetenv(keys[0]); err != nil {
t.Fatalf("err: %s", err)
}
// Test that the second key is returned if the first one is empty
f = MultiEnvDefaultFunc(keys, "42")
if err := os.Setenv(keys[1], "foo"); err != nil {
t.Fatalf("err: %s", err)
}
actual, err = f()
if err != nil {
t.Fatalf("err: %s", err)
}
if actual != "foo" {
t.Fatalf("bad: %#v", actual)
}
if err := os.Unsetenv(keys[1]); err != nil {
t.Fatalf("err: %s", err)
}
// Test that the default value is returned when no keys are set
actual, err = f()
if err != nil {
t.Fatalf("err: %s", err)
}
if actual != "42" {
t.Fatalf("bad: %#v", actual)
}
}
func TestValueType_Zero(t *testing.T) {
cases := []struct {
Type ValueType
Value interface{}
}{
{TypeBool, false},
{TypeInt, 0},
{TypeFloat, 0.0},
{TypeString, ""},
{TypeList, []interface{}{}},
{TypeMap, map[string]interface{}{}},
{TypeSet, new(Set)},
}
for i, tc := range cases {
actual := tc.Type.Zero()
if !reflect.DeepEqual(actual, tc.Value) {
t.Fatalf("%d: %#v != %#v", i, actual, tc.Value)
}
}
}
func interfaceToVariableSwallowError(input interface{}) ast.Variable {
variable, _ := hil.InterfaceToVariable(input)
return variable
}
func TestSchemaMap_Diff(t *testing.T) {
cases := []struct {
Name string
Schema map[string]*Schema
State *terraform.InstanceState
Config map[string]interface{}
ConfigVariables map[string]ast.Variable
Diff *terraform.InstanceDiff
Err bool
}{
{
Schema: map[string]*Schema{
"availability_zone": &Schema{
Type: TypeString,
Optional: true,
Computed: true,
ForceNew: true,
},
},
State: nil,
Config: map[string]interface{}{
"availability_zone": "foo",
},
Diff: &terraform.InstanceDiff{
Attributes: map[string]*terraform.ResourceAttrDiff{
"availability_zone": &terraform.ResourceAttrDiff{
Old: "",
New: "foo",
RequiresNew: true,
},
},
},
Err: false,
},
{
Schema: map[string]*Schema{
"availability_zone": &Schema{
Type: TypeString,
Optional: true,
Computed: true,
ForceNew: true,
},
},
State: nil,
Config: map[string]interface{}{},
Diff: &terraform.InstanceDiff{
Attributes: map[string]*terraform.ResourceAttrDiff{
"availability_zone": &terraform.ResourceAttrDiff{
Old: "",
NewComputed: true,
RequiresNew: true,
},
},
},
Err: false,
},
{
Schema: map[string]*Schema{
"availability_zone": &Schema{
Type: TypeString,
Optional: true,
Computed: true,
ForceNew: true,
},
},
State: &terraform.InstanceState{
ID: "foo",
},
Config: map[string]interface{}{},
Diff: nil,
Err: false,
},
{
Name: "Computed, but set in config",
Schema: map[string]*Schema{
"availability_zone": &Schema{
Type: TypeString,
Optional: true,
Computed: true,
},
},
State: &terraform.InstanceState{
Attributes: map[string]string{
"availability_zone": "foo",
},
},
Config: map[string]interface{}{
"availability_zone": "bar",
},
Diff: &terraform.InstanceDiff{
Attributes: map[string]*terraform.ResourceAttrDiff{
"availability_zone": &terraform.ResourceAttrDiff{
Old: "foo",
New: "bar",
},
},
},
Err: false,
},
{
Name: "Default",
Schema: map[string]*Schema{
"availability_zone": &Schema{
Type: TypeString,
Optional: true,
Default: "foo",
},
},
State: nil,
Config: nil,
Diff: &terraform.InstanceDiff{
Attributes: map[string]*terraform.ResourceAttrDiff{
"availability_zone": &terraform.ResourceAttrDiff{
Old: "",
New: "foo",
},
},
},
Err: false,
},
{
Name: "DefaultFunc, value",
Schema: map[string]*Schema{
"availability_zone": &Schema{
Type: TypeString,
Optional: true,
DefaultFunc: func() (interface{}, error) {
return "foo", nil
},
},
},
State: nil,
Config: nil,
Diff: &terraform.InstanceDiff{
Attributes: map[string]*terraform.ResourceAttrDiff{
"availability_zone": &terraform.ResourceAttrDiff{
Old: "",
New: "foo",
},
},
},
Err: false,
},
{
Name: "DefaultFunc, configuration set",
Schema: map[string]*Schema{
"availability_zone": &Schema{
Type: TypeString,
Optional: true,
DefaultFunc: func() (interface{}, error) {
return "foo", nil
},
},
},
State: nil,
Config: map[string]interface{}{
"availability_zone": "bar",
},
Diff: &terraform.InstanceDiff{
Attributes: map[string]*terraform.ResourceAttrDiff{
"availability_zone": &terraform.ResourceAttrDiff{
Old: "",
New: "bar",
},
},
},
Err: false,
},
{
Name: "String with StateFunc",
Schema: map[string]*Schema{
"availability_zone": &Schema{
Type: TypeString,
Optional: true,
Computed: true,
StateFunc: func(a interface{}) string {
return a.(string) + "!"
},
},
},
State: nil,
Config: map[string]interface{}{
"availability_zone": "foo",
},
Diff: &terraform.InstanceDiff{
Attributes: map[string]*terraform.ResourceAttrDiff{
"availability_zone": &terraform.ResourceAttrDiff{
Old: "",
New: "foo!",
NewExtra: "foo",
},
},
},
Err: false,
},
{
Name: "StateFunc not called with nil value",
Schema: map[string]*Schema{
"availability_zone": &Schema{
Type: TypeString,
Optional: true,
Computed: true,
StateFunc: func(a interface{}) string {
t.Fatalf("should not get here!")
return ""
},
},
},
State: nil,
Config: map[string]interface{}{},
Diff: &terraform.InstanceDiff{
Attributes: map[string]*terraform.ResourceAttrDiff{
"availability_zone": &terraform.ResourceAttrDiff{
Old: "",
New: "",
NewComputed: true,
},
},
},
Err: false,
},
{
Name: "Variable (just checking)",
Schema: map[string]*Schema{
"availability_zone": &Schema{
Type: TypeString,
Optional: true,
},
},
State: nil,
Config: map[string]interface{}{
"availability_zone": "${var.foo}",
},
ConfigVariables: map[string]ast.Variable{
"var.foo": interfaceToVariableSwallowError("bar"),
},
Diff: &terraform.InstanceDiff{
Attributes: map[string]*terraform.ResourceAttrDiff{
"availability_zone": &terraform.ResourceAttrDiff{
Old: "",
New: "bar",
},
},
},
Err: false,
},
{
Name: "Variable computed",
Schema: map[string]*Schema{
"availability_zone": &Schema{
Type: TypeString,
Optional: true,
},
},
State: nil,
Config: map[string]interface{}{
"availability_zone": "${var.foo}",
},
ConfigVariables: map[string]ast.Variable{
"var.foo": interfaceToVariableSwallowError(config.UnknownVariableValue),
},
Diff: &terraform.InstanceDiff{
Attributes: map[string]*terraform.ResourceAttrDiff{
"availability_zone": &terraform.ResourceAttrDiff{
Old: "",
New: "${var.foo}",
NewComputed: true,
},
},
},
Err: false,
},
{
Name: "Int decode",
Schema: map[string]*Schema{
"port": &Schema{
Type: TypeInt,
Optional: true,
Computed: true,
ForceNew: true,
},
},
State: nil,
Config: map[string]interface{}{
"port": 27,
},
Diff: &terraform.InstanceDiff{
Attributes: map[string]*terraform.ResourceAttrDiff{
"port": &terraform.ResourceAttrDiff{
Old: "",
New: "27",
RequiresNew: true,
},
},
},
Err: false,
},
{
Name: "bool decode",
Schema: map[string]*Schema{
"port": &Schema{
Type: TypeBool,
Optional: true,
Computed: true,
ForceNew: true,
},
},
State: nil,
Config: map[string]interface{}{
"port": false,
},
Diff: &terraform.InstanceDiff{
Attributes: map[string]*terraform.ResourceAttrDiff{
"port": &terraform.ResourceAttrDiff{
Old: "",
New: "false",
RequiresNew: true,
},
},
},
Err: false,
},
{
Name: "Bool",
Schema: map[string]*Schema{
"delete": &Schema{
Type: TypeBool,
Optional: true,
Default: false,
},
},
State: &terraform.InstanceState{
Attributes: map[string]string{
"delete": "false",
},
},
Config: nil,
Diff: nil,
Err: false,
},
{
Name: "List decode",
Schema: map[string]*Schema{
"ports": &Schema{
Type: TypeList,
Required: true,
Elem: &Schema{Type: TypeInt},
},
},
State: nil,
Config: map[string]interface{}{
"ports": []interface{}{1, 2, 5},
},
Diff: &terraform.InstanceDiff{
Attributes: map[string]*terraform.ResourceAttrDiff{
"ports.#": &terraform.ResourceAttrDiff{
Old: "0",
New: "3",
},
"ports.0": &terraform.ResourceAttrDiff{
Old: "",
New: "1",
},
"ports.1": &terraform.ResourceAttrDiff{
Old: "",
New: "2",
},
"ports.2": &terraform.ResourceAttrDiff{
Old: "",
New: "5",
},
},
},
Err: false,
},
{
Name: "List decode with promotion",
Schema: map[string]*Schema{
"ports": &Schema{
Type: TypeList,
Required: true,
Elem: &Schema{Type: TypeInt},
PromoteSingle: true,
},
},
State: nil,
Config: map[string]interface{}{
"ports": "5",
},
Diff: &terraform.InstanceDiff{
Attributes: map[string]*terraform.ResourceAttrDiff{
"ports.#": &terraform.ResourceAttrDiff{
Old: "0",
New: "1",
},
"ports.0": &terraform.ResourceAttrDiff{
Old: "",
New: "5",
},
},
},
Err: false,
},
{
Name: "List decode with promotion with list",
Schema: map[string]*Schema{
"ports": &Schema{
Type: TypeList,
Required: true,
Elem: &Schema{Type: TypeInt},
PromoteSingle: true,
},
},
State: nil,
Config: map[string]interface{}{
"ports": []interface{}{"5"},
},
Diff: &terraform.InstanceDiff{
Attributes: map[string]*terraform.ResourceAttrDiff{
"ports.#": &terraform.ResourceAttrDiff{
Old: "0",
New: "1",
},
"ports.0": &terraform.ResourceAttrDiff{
Old: "",
New: "5",
},
},
},
Err: false,
},
{
Schema: map[string]*Schema{
"ports": &Schema{
Type: TypeList,
Required: true,
Elem: &Schema{Type: TypeInt},
},
},
State: nil,
Config: map[string]interface{}{
"ports": []interface{}{1, "${var.foo}"},
},
ConfigVariables: map[string]ast.Variable{
"var.foo": interfaceToVariableSwallowError([]interface{}{"2", "5"}),
},
Diff: &terraform.InstanceDiff{
Attributes: map[string]*terraform.ResourceAttrDiff{
"ports.#": &terraform.ResourceAttrDiff{
Old: "0",
New: "3",
},
"ports.0": &terraform.ResourceAttrDiff{
Old: "",
New: "1",
},
"ports.1": &terraform.ResourceAttrDiff{
Old: "",
New: "2",
},
"ports.2": &terraform.ResourceAttrDiff{
Old: "",
New: "5",
},
},
},
Err: false,
},
{
Schema: map[string]*Schema{
"ports": &Schema{
Type: TypeList,
Required: true,
Elem: &Schema{Type: TypeInt},
},
},
State: nil,
Config: map[string]interface{}{
"ports": []interface{}{1, "${var.foo}"},
},
ConfigVariables: map[string]ast.Variable{
"var.foo": interfaceToVariableSwallowError([]interface{}{
config.UnknownVariableValue, "5"}),
},
Diff: &terraform.InstanceDiff{
Attributes: map[string]*terraform.ResourceAttrDiff{
"ports.#": &terraform.ResourceAttrDiff{
Old: "0",
New: "",
NewComputed: true,
},
},
},
Err: false,
},
{
Schema: map[string]*Schema{
"ports": &Schema{
Type: TypeList,
Required: true,
Elem: &Schema{Type: TypeInt},
},
},
State: &terraform.InstanceState{
Attributes: map[string]string{
"ports.#": "3",
"ports.0": "1",
"ports.1": "2",
"ports.2": "5",
},
},
Config: map[string]interface{}{
"ports": []interface{}{1, 2, 5},
},
Diff: nil,
Err: false,
},
{
Name: "",
Schema: map[string]*Schema{
"ports": &Schema{
Type: TypeList,
Required: true,
Elem: &Schema{Type: TypeInt},
},
},
State: &terraform.InstanceState{
Attributes: map[string]string{
"ports.#": "2",
"ports.0": "1",
"ports.1": "2",
},
},
Config: map[string]interface{}{
"ports": []interface{}{1, 2, 5},
},
Diff: &terraform.InstanceDiff{
Attributes: map[string]*terraform.ResourceAttrDiff{
"ports.#": &terraform.ResourceAttrDiff{
Old: "2",
New: "3",
},
"ports.2": &terraform.ResourceAttrDiff{
Old: "",
New: "5",
},
},
},
Err: false,
},
{
Name: "",
Schema: map[string]*Schema{
"ports": &Schema{
Type: TypeList,
Required: true,
Elem: &Schema{Type: TypeInt},
ForceNew: true,
},
},
State: nil,
Config: map[string]interface{}{
"ports": []interface{}{1, 2, 5},
},
Diff: &terraform.InstanceDiff{
Attributes: map[string]*terraform.ResourceAttrDiff{
"ports.#": &terraform.ResourceAttrDiff{
Old: "0",
New: "3",
RequiresNew: true,
},
"ports.0": &terraform.ResourceAttrDiff{
Old: "",
New: "1",
RequiresNew: true,
},
"ports.1": &terraform.ResourceAttrDiff{
Old: "",
New: "2",
RequiresNew: true,
},
"ports.2": &terraform.ResourceAttrDiff{
Old: "",
New: "5",
RequiresNew: true,
},
},
},
Err: false,
},
{
Name: "",
Schema: map[string]*Schema{
"ports": &Schema{
Type: TypeList,
Optional: true,
Computed: true,
Elem: &Schema{Type: TypeInt},
},
},
State: nil,
Config: map[string]interface{}{},
Diff: &terraform.InstanceDiff{
Attributes: map[string]*terraform.ResourceAttrDiff{
"ports.#": &terraform.ResourceAttrDiff{
Old: "",
NewComputed: true,
},
},
},
Err: false,
},
{
Name: "Set",
Schema: map[string]*Schema{
"ports": &Schema{
Type: TypeSet,
Required: true,
Elem: &Schema{Type: TypeInt},
Set: func(a interface{}) int {
return a.(int)
},
},
},
State: nil,
Config: map[string]interface{}{
"ports": []interface{}{5, 2, 1},
},
Diff: &terraform.InstanceDiff{
Attributes: map[string]*terraform.ResourceAttrDiff{
"ports.#": &terraform.ResourceAttrDiff{
Old: "0",
New: "3",
},
"ports.1": &terraform.ResourceAttrDiff{
Old: "",
New: "1",
},
"ports.2": &terraform.ResourceAttrDiff{
Old: "",
New: "2",
},
"ports.5": &terraform.ResourceAttrDiff{
Old: "",
New: "5",
},
},
},
Err: false,
},
{
Name: "Set",
Schema: map[string]*Schema{
"ports": &Schema{
Type: TypeSet,
Computed: true,
Required: true,
Elem: &Schema{Type: TypeInt},
Set: func(a interface{}) int {
return a.(int)
},
},
},
State: &terraform.InstanceState{
Attributes: map[string]string{
"ports.#": "0",
},
},
Config: nil,
Diff: nil,
Err: false,
},
{
Name: "Set",
Schema: map[string]*Schema{
"ports": &Schema{
Type: TypeSet,
Optional: true,
Computed: true,
Elem: &Schema{Type: TypeInt},
Set: func(a interface{}) int {
return a.(int)
},
},
},
State: nil,
Config: nil,
Diff: &terraform.InstanceDiff{
Attributes: map[string]*terraform.ResourceAttrDiff{
"ports.#": &terraform.ResourceAttrDiff{
Old: "",
NewComputed: true,
},
},
},
Err: false,
},
{
Name: "Set",
Schema: map[string]*Schema{
"ports": &Schema{
Type: TypeSet,
Required: true,
Elem: &Schema{Type: TypeInt},
Set: func(a interface{}) int {
return a.(int)
},
},
},
State: nil,
Config: map[string]interface{}{
"ports": []interface{}{"${var.foo}", 1},
},
ConfigVariables: map[string]ast.Variable{
"var.foo": interfaceToVariableSwallowError([]interface{}{"2", "5"}),
},
Diff: &terraform.InstanceDiff{
Attributes: map[string]*terraform.ResourceAttrDiff{
"ports.#": &terraform.ResourceAttrDiff{
Old: "0",
New: "3",
},
"ports.1": &terraform.ResourceAttrDiff{
Old: "",
New: "1",
},
"ports.2": &terraform.ResourceAttrDiff{
Old: "",
New: "2",
},