terraform/command/cliconfig/cliconfig_test.go

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package cliconfig
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import (
"os"
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"path/filepath"
"reflect"
"testing"
"github.com/davecgh/go-spew/spew"
"github.com/google/go-cmp/cmp"
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)
// This is the directory where our test fixtures are.
const fixtureDir = "./testdata"
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func TestLoadConfig(t *testing.T) {
c, err := loadConfigFile(filepath.Join(fixtureDir, "config"))
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if err != nil {
t.Fatalf("err: %s", err)
}
expected := &Config{
Providers: map[string]string{
"aws": "foo",
"do": "bar",
},
}
if !reflect.DeepEqual(c, expected) {
t.Fatalf("bad: %#v", c)
}
}
func TestLoadConfig_env(t *testing.T) {
defer os.Unsetenv("TFTEST")
os.Setenv("TFTEST", "hello")
c, err := loadConfigFile(filepath.Join(fixtureDir, "config-env"))
if err != nil {
t.Fatalf("err: %s", err)
}
expected := &Config{
Providers: map[string]string{
"aws": "hello",
"google": "bar",
},
Provisioners: map[string]string{
"local": "hello",
},
}
if !reflect.DeepEqual(c, expected) {
t.Fatalf("bad: %#v", c)
}
}
func TestLoadConfig_hosts(t *testing.T) {
got, diags := loadConfigFile(filepath.Join(fixtureDir, "hosts"))
if len(diags) != 0 {
t.Fatalf("%s", diags.Err())
}
want := &Config{
Hosts: map[string]*ConfigHost{
"example.com": {
Services: map[string]interface{}{
"modules.v1": "https://example.com/",
},
},
},
}
if !reflect.DeepEqual(got, want) {
t.Errorf("wrong result\ngot: %swant: %s", spew.Sdump(got), spew.Sdump(want))
}
}
func TestLoadConfig_credentials(t *testing.T) {
got, err := loadConfigFile(filepath.Join(fixtureDir, "credentials"))
if err != nil {
t.Fatal(err)
}
want := &Config{
Credentials: map[string]map[string]interface{}{
"example.com": map[string]interface{}{
"token": "foo the bar baz",
},
"example.net": map[string]interface{}{
"username": "foo",
"password": "baz",
},
},
CredentialsHelpers: map[string]*ConfigCredentialsHelper{
"foo": &ConfigCredentialsHelper{
Args: []string{"bar", "baz"},
},
},
}
if !reflect.DeepEqual(got, want) {
t.Errorf("wrong result\ngot: %swant: %s", spew.Sdump(got), spew.Sdump(want))
}
}
func TestConfigValidate(t *testing.T) {
tests := map[string]struct {
Config *Config
DiagCount int
}{
"nil": {
nil,
0,
},
"empty": {
&Config{},
0,
},
"host good": {
&Config{
Hosts: map[string]*ConfigHost{
"example.com": {},
},
},
0,
},
"host with bad hostname": {
&Config{
Hosts: map[string]*ConfigHost{
"example..com": {},
},
},
1, // host block has invalid hostname
},
"credentials good": {
&Config{
Credentials: map[string]map[string]interface{}{
"example.com": map[string]interface{}{
"token": "foo",
},
},
},
0,
},
"credentials with bad hostname": {
&Config{
Credentials: map[string]map[string]interface{}{
"example..com": map[string]interface{}{
"token": "foo",
},
},
},
1, // credentials block has invalid hostname
},
"credentials helper good": {
&Config{
CredentialsHelpers: map[string]*ConfigCredentialsHelper{
"foo": {},
},
},
0,
},
"credentials helper too many": {
&Config{
CredentialsHelpers: map[string]*ConfigCredentialsHelper{
"foo": {},
"bar": {},
},
},
1, // no more than one credentials_helper block allowed
},
"provider_installation good none": {
&Config{
ProviderInstallation: nil,
},
0,
},
"provider_installation good one": {
&Config{
ProviderInstallation: []*ProviderInstallation{
{},
},
},
0,
},
"provider_installation too many": {
&Config{
ProviderInstallation: []*ProviderInstallation{
{},
{},
},
},
1, // no more than one provider_installation block allowed
},
}
for name, test := range tests {
t.Run(name, func(t *testing.T) {
diags := test.Config.Validate()
if len(diags) != test.DiagCount {
t.Errorf("wrong number of diagnostics %d; want %d", len(diags), test.DiagCount)
for _, diag := range diags {
t.Logf("- %#v", diag.Description())
}
}
})
}
}
func TestConfig_Merge(t *testing.T) {
c1 := &Config{
Providers: map[string]string{
"foo": "bar",
"bar": "blah",
},
Provisioners: map[string]string{
"local": "local",
"remote": "bad",
},
Hosts: map[string]*ConfigHost{
"example.com": {
Services: map[string]interface{}{
"modules.v1": "http://example.com/",
},
},
},
Credentials: map[string]map[string]interface{}{
"foo": {
"bar": "baz",
},
},
CredentialsHelpers: map[string]*ConfigCredentialsHelper{
"buz": {},
},
ProviderInstallation: []*ProviderInstallation{
{
Methods: []*ProviderInstallationMethod{
{Location: ProviderInstallationFilesystemMirror("a")},
{Location: ProviderInstallationFilesystemMirror("b")},
},
},
{
Methods: []*ProviderInstallationMethod{
{Location: ProviderInstallationFilesystemMirror("c")},
},
},
},
}
c2 := &Config{
Providers: map[string]string{
"bar": "baz",
"baz": "what",
},
Provisioners: map[string]string{
"remote": "remote",
},
Hosts: map[string]*ConfigHost{
"example.net": {
Services: map[string]interface{}{
"modules.v1": "https://example.net/",
},
},
},
Credentials: map[string]map[string]interface{}{
"fee": {
"bur": "bez",
},
},
CredentialsHelpers: map[string]*ConfigCredentialsHelper{
"biz": {},
},
ProviderInstallation: []*ProviderInstallation{
{
Methods: []*ProviderInstallationMethod{
{Location: ProviderInstallationFilesystemMirror("d")},
},
},
},
}
expected := &Config{
Providers: map[string]string{
"foo": "bar",
"bar": "baz",
"baz": "what",
},
Provisioners: map[string]string{
"local": "local",
"remote": "remote",
},
Hosts: map[string]*ConfigHost{
"example.com": {
Services: map[string]interface{}{
"modules.v1": "http://example.com/",
},
},
"example.net": {
Services: map[string]interface{}{
"modules.v1": "https://example.net/",
},
},
},
Credentials: map[string]map[string]interface{}{
"foo": {
"bar": "baz",
},
"fee": {
"bur": "bez",
},
},
CredentialsHelpers: map[string]*ConfigCredentialsHelper{
"buz": {},
"biz": {},
},
ProviderInstallation: []*ProviderInstallation{
{
Methods: []*ProviderInstallationMethod{
{Location: ProviderInstallationFilesystemMirror("a")},
{Location: ProviderInstallationFilesystemMirror("b")},
},
},
{
Methods: []*ProviderInstallationMethod{
{Location: ProviderInstallationFilesystemMirror("c")},
},
},
{
Methods: []*ProviderInstallationMethod{
{Location: ProviderInstallationFilesystemMirror("d")},
},
},
},
}
actual := c1.Merge(c2)
if diff := cmp.Diff(expected, actual); diff != "" {
t.Fatalf("wrong result\n%s", diff)
}
}
func TestConfig_Merge_disableCheckpoint(t *testing.T) {
c1 := &Config{
DisableCheckpoint: true,
}
c2 := &Config{}
expected := &Config{
Providers: map[string]string{},
Provisioners: map[string]string{},
DisableCheckpoint: true,
}
actual := c1.Merge(c2)
if !reflect.DeepEqual(actual, expected) {
t.Fatalf("bad: %#v", actual)
}
}
func TestConfig_Merge_disableCheckpointSignature(t *testing.T) {
c1 := &Config{
DisableCheckpointSignature: true,
}
c2 := &Config{}
expected := &Config{
Providers: map[string]string{},
Provisioners: map[string]string{},
DisableCheckpointSignature: true,
}
actual := c1.Merge(c2)
if !reflect.DeepEqual(actual, expected) {
t.Fatalf("bad: %#v", actual)
}
}