terraform/config/raw_config_test.go

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package config
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import (
"encoding/gob"
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"reflect"
"testing"
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"github.com/hashicorp/hil/ast"
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)
func TestNewRawConfig(t *testing.T) {
raw := map[string]interface{}{
"foo": "${var.bar}",
"bar": `${file("boom.txt")}`,
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}
rc, err := NewRawConfig(raw)
if err != nil {
t.Fatalf("err: %s", err)
}
if len(rc.Interpolations) != 2 {
t.Fatalf("bad: %#v", rc.Interpolations)
}
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if len(rc.Variables) != 1 {
t.Fatalf("bad: %#v", rc.Variables)
}
}
func TestRawConfig_basic(t *testing.T) {
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raw := map[string]interface{}{
"foo": "${var.bar}",
}
rc, err := NewRawConfig(raw)
if err != nil {
t.Fatalf("err: %s", err)
}
// Before interpolate, Config() should be the raw
if !reflect.DeepEqual(rc.Config(), raw) {
t.Fatalf("bad: %#v", rc.Config())
}
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vars := map[string]ast.Variable{
"var.bar": ast.Variable{
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Value: "baz",
Type: ast.TypeString,
},
}
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if err := rc.Interpolate(vars); err != nil {
t.Fatalf("err: %s", err)
}
actual := rc.Config()
expected := map[string]interface{}{
"foo": "baz",
}
if !reflect.DeepEqual(actual, expected) {
t.Fatalf("bad: %#v", actual)
}
if len(rc.UnknownKeys()) != 0 {
t.Fatalf("bad: %#v", rc.UnknownKeys())
}
}
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func TestRawConfig_double(t *testing.T) {
raw := map[string]interface{}{
"foo": "${var.bar}",
}
rc, err := NewRawConfig(raw)
if err != nil {
t.Fatalf("err: %s", err)
}
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vars := map[string]ast.Variable{
"var.bar": ast.Variable{
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Value: "baz",
Type: ast.TypeString,
},
}
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if err := rc.Interpolate(vars); err != nil {
t.Fatalf("err: %s", err)
}
actual := rc.Config()
expected := map[string]interface{}{
"foo": "baz",
}
if !reflect.DeepEqual(actual, expected) {
t.Fatalf("bad: %#v", actual)
}
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vars = map[string]ast.Variable{
"var.bar": ast.Variable{
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Value: "what",
Type: ast.TypeString,
},
}
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if err := rc.Interpolate(vars); err != nil {
t.Fatalf("err: %s", err)
}
actual = rc.Config()
expected = map[string]interface{}{
"foo": "what",
}
if !reflect.DeepEqual(actual, expected) {
t.Fatalf("bad: %#v", actual)
}
}
func TestRawConfigInterpolate_escaped(t *testing.T) {
raw := map[string]interface{}{
"foo": "bar-$${baz}",
}
rc, err := NewRawConfig(raw)
if err != nil {
t.Fatalf("err: %s", err)
}
// Before interpolate, Config() should be the raw
if !reflect.DeepEqual(rc.Config(), raw) {
t.Fatalf("bad: %#v", rc.Config())
}
if err := rc.Interpolate(nil); err != nil {
t.Fatalf("err: %s", err)
}
actual := rc.Config()
expected := map[string]interface{}{
"foo": "bar-${baz}",
}
if !reflect.DeepEqual(actual, expected) {
t.Fatalf("bad: %#v", actual)
}
if len(rc.UnknownKeys()) != 0 {
t.Fatalf("bad: %#v", rc.UnknownKeys())
}
}
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func TestRawConfig_merge(t *testing.T) {
raw1 := map[string]interface{}{
"foo": "${var.foo}",
"bar": "${var.bar}",
}
rc1, err := NewRawConfig(raw1)
if err != nil {
t.Fatalf("err: %s", err)
}
{
vars := map[string]ast.Variable{
"var.foo": ast.Variable{
Value: "foovalue",
Type: ast.TypeString,
},
"var.bar": ast.Variable{
Value: "nope",
Type: ast.TypeString,
},
}
if err := rc1.Interpolate(vars); err != nil {
t.Fatalf("err: %s", err)
}
}
raw2 := map[string]interface{}{
"bar": "${var.bar}",
"baz": "${var.baz}",
}
rc2, err := NewRawConfig(raw2)
if err != nil {
t.Fatalf("err: %s", err)
}
{
vars := map[string]ast.Variable{
"var.bar": ast.Variable{
Value: "barvalue",
Type: ast.TypeString,
},
"var.baz": ast.Variable{
Value: UnknownVariableValue,
Type: ast.TypeUnknown,
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},
}
if err := rc2.Interpolate(vars); err != nil {
t.Fatalf("err: %s", err)
}
}
// Merge the two
rc3 := rc1.Merge(rc2)
// Raw should be merged
raw3 := map[string]interface{}{
"foo": "${var.foo}",
"bar": "${var.bar}",
"baz": "${var.baz}",
}
if !reflect.DeepEqual(rc3.Raw, raw3) {
t.Fatalf("bad: %#v", rc3.Raw)
}
actual := rc3.Config()
expected := map[string]interface{}{
"foo": "foovalue",
"bar": "barvalue",
"baz": UnknownVariableValue,
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}
if !reflect.DeepEqual(actual, expected) {
t.Fatalf("bad: %#v", actual)
}
expectedKeys := []string{"baz"}
if !reflect.DeepEqual(rc3.UnknownKeys(), expectedKeys) {
t.Fatalf("bad: %#v", rc3.UnknownKeys())
}
}
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func TestRawConfig_syntax(t *testing.T) {
raw := map[string]interface{}{
"foo": "${var",
}
if _, err := NewRawConfig(raw); err == nil {
t.Fatal("should error")
}
}
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func TestRawConfig_unknown(t *testing.T) {
raw := map[string]interface{}{
"foo": "${var.bar}",
}
rc, err := NewRawConfig(raw)
if err != nil {
t.Fatalf("err: %s", err)
}
vars := map[string]ast.Variable{
"var.bar": ast.Variable{
Value: UnknownVariableValue,
Type: ast.TypeUnknown,
},
}
if err := rc.Interpolate(vars); err != nil {
t.Fatalf("err: %s", err)
}
actual := rc.Config()
expected := map[string]interface{}{"foo": UnknownVariableValue}
if !reflect.DeepEqual(actual, expected) {
t.Fatalf("bad: %#v", actual)
}
expectedKeys := []string{"foo"}
if !reflect.DeepEqual(rc.UnknownKeys(), expectedKeys) {
t.Fatalf("bad: %#v", rc.UnknownKeys())
}
}
func TestRawConfig_unknownPartial(t *testing.T) {
raw := map[string]interface{}{
"foo": "${var.bar}/32",
}
rc, err := NewRawConfig(raw)
if err != nil {
t.Fatalf("err: %s", err)
}
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vars := map[string]ast.Variable{
"var.bar": ast.Variable{
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Value: UnknownVariableValue,
Type: ast.TypeUnknown,
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},
}
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if err := rc.Interpolate(vars); err != nil {
t.Fatalf("err: %s", err)
}
actual := rc.Config()
expected := map[string]interface{}{"foo": UnknownVariableValue}
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if !reflect.DeepEqual(actual, expected) {
t.Fatalf("bad: %#v", actual)
}
expectedKeys := []string{"foo"}
if !reflect.DeepEqual(rc.UnknownKeys(), expectedKeys) {
t.Fatalf("bad: %#v", rc.UnknownKeys())
}
}
func TestRawConfig_unknownPartialList(t *testing.T) {
raw := map[string]interface{}{
"foo": []interface{}{
"${var.bar}/32",
},
}
rc, err := NewRawConfig(raw)
if err != nil {
t.Fatalf("err: %s", err)
}
vars := map[string]ast.Variable{
"var.bar": ast.Variable{
Value: UnknownVariableValue,
Type: ast.TypeUnknown,
},
}
if err := rc.Interpolate(vars); err != nil {
t.Fatalf("err: %s", err)
}
actual := rc.Config()
expected := map[string]interface{}{"foo": []interface{}{UnknownVariableValue}}
if !reflect.DeepEqual(actual, expected) {
t.Fatalf("bad: %#v", actual)
}
expectedKeys := []string{"foo"}
if !reflect.DeepEqual(rc.UnknownKeys(), expectedKeys) {
t.Fatalf("bad: %#v", rc.UnknownKeys())
}
}
// This tests a race found where we were not maintaining the "slice index"
// accounting properly. The result would be that some computed keys would
// look like they had no slice index when they in fact do. This test is not
// very reliable but it did fail before the fix and passed after.
func TestRawConfig_sliceIndexLoss(t *testing.T) {
raw := map[string]interface{}{
"slice": []map[string]interface{}{
map[string]interface{}{
"foo": []interface{}{"foo/${var.unknown}"},
"bar": []interface{}{"bar"},
},
},
}
vars := map[string]ast.Variable{
"var.unknown": ast.Variable{
Value: UnknownVariableValue,
Type: ast.TypeUnknown,
},
"var.known": ast.Variable{
Value: "123456",
Type: ast.TypeString,
},
}
// We run it a lot because its fast and we try to get a race out
for i := 0; i < 50; i++ {
rc, err := NewRawConfig(raw)
if err != nil {
t.Fatalf("err: %s", err)
}
if err := rc.Interpolate(vars); err != nil {
t.Fatalf("err: %s", err)
}
expectedKeys := []string{"slice.0.foo"}
if !reflect.DeepEqual(rc.UnknownKeys(), expectedKeys) {
t.Fatalf("bad: %#v", rc.UnknownKeys())
}
}
}
func TestRawConfigCopy(t *testing.T) {
raw := map[string]interface{}{
"foo": "${var.bar}",
}
rc, err := NewRawConfig(raw)
if err != nil {
t.Fatalf("err: %s", err)
}
rc.Key = "foo"
if rc.Value() != "${var.bar}" {
t.Fatalf("err: %#v", rc.Value())
}
// Interpolate the first one
vars := map[string]ast.Variable{
"var.bar": ast.Variable{
Value: "baz",
Type: ast.TypeString,
},
}
if err := rc.Interpolate(vars); err != nil {
t.Fatalf("err: %s", err)
}
if rc.Value() != "baz" {
t.Fatalf("bad: %#v", rc.Value())
}
// Copy and interpolate
{
rc2 := rc.Copy()
if rc2.Value() != "${var.bar}" {
t.Fatalf("err: %#v", rc2.Value())
}
vars := map[string]ast.Variable{
"var.bar": ast.Variable{
Value: "qux",
Type: ast.TypeString,
},
}
if err := rc2.Interpolate(vars); err != nil {
t.Fatalf("err: %s", err)
}
if rc2.Value() != "qux" {
t.Fatalf("bad: %#v", rc2.Value())
}
}
}
func TestRawConfigValue(t *testing.T) {
raw := map[string]interface{}{
"foo": "${var.bar}",
}
rc, err := NewRawConfig(raw)
if err != nil {
t.Fatalf("err: %s", err)
}
rc.Key = ""
if rc.Value() != nil {
t.Fatalf("bad: %#v", rc.Value())
}
rc.Key = "foo"
if rc.Value() != "${var.bar}" {
t.Fatalf("err: %#v", rc.Value())
}
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vars := map[string]ast.Variable{
"var.bar": ast.Variable{
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Value: "baz",
Type: ast.TypeString,
},
}
if err := rc.Interpolate(vars); err != nil {
t.Fatalf("err: %s", err)
}
if rc.Value() != "baz" {
t.Fatalf("bad: %#v", rc.Value())
}
}
func TestRawConfig_implGob(t *testing.T) {
var _ gob.GobDecoder = new(RawConfig)
var _ gob.GobEncoder = new(RawConfig)
}
// verify that RawMap returns a identical copy
func TestNewRawConfig_rawMap(t *testing.T) {
raw := map[string]interface{}{
"foo": "${var.bar}",
"bar": `${file("boom.txt")}`,
}
rc, err := NewRawConfig(raw)
if err != nil {
t.Fatalf("err: %s", err)
}
rawCopy := rc.RawMap()
if !reflect.DeepEqual(raw, rawCopy) {
t.Fatalf("bad: %#v", rawCopy)
}
// make sure they aren't the same map
raw["test"] = "value"
if reflect.DeepEqual(raw, rawCopy) {
t.Fatal("RawMap() didn't return a copy")
}
}