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package config
import (
"flag"
"fmt"
"io/ioutil"
"log"
"os"
"path/filepath"
"reflect"
"strings"
"testing"
"github.com/hashicorp/hil/ast"
"github.com/hashicorp/terraform/helper/logging"
)
// This is the directory where our test fixtures are.
const fixtureDir = "./test-fixtures"
func TestMain(m *testing.M) {
flag.Parse()
if testing.Verbose() {
// if we're verbose, use the logging requested by TF_LOG
logging.SetOutput()
} else {
// otherwise silence all logs
log.SetOutput(ioutil.Discard)
}
os.Exit(m.Run())
}
func TestConfigCopy(t *testing.T) {
c := testConfig(t, "copy-basic")
rOrig := c.Resources[0]
rCopy := rOrig.Copy()
if rCopy.Name != rOrig.Name {
t.Fatalf("Expected names to equal: %q <=> %q", rCopy.Name, rOrig.Name)
}
if rCopy.Type != rOrig.Type {
t.Fatalf("Expected types to equal: %q <=> %q", rCopy.Type, rOrig.Type)
}
origCount := rOrig.RawCount.Config()["count"]
rCopy.RawCount.Config()["count"] = "5"
if rOrig.RawCount.Config()["count"] != origCount {
t.Fatalf("Expected RawCount to be copied, but it behaves like a ref!")
}
rCopy.RawConfig.Config()["newfield"] = "hello"
if rOrig.RawConfig.Config()["newfield"] == "hello" {
t.Fatalf("Expected RawConfig to be copied, but it behaves like a ref!")
}
rCopy.Provisioners = append(rCopy.Provisioners, &Provisioner{})
if len(rOrig.Provisioners) == len(rCopy.Provisioners) {
t.Fatalf("Expected Provisioners to be copied, but it behaves like a ref!")
}
if rCopy.Provider != rOrig.Provider {
t.Fatalf("Expected providers to equal: %q <=> %q",
rCopy.Provider, rOrig.Provider)
}
rCopy.DependsOn[0] = "gotchya"
if rOrig.DependsOn[0] == rCopy.DependsOn[0] {
t.Fatalf("Expected DependsOn to be copied, but it behaves like a ref!")
}
rCopy.Lifecycle.IgnoreChanges[0] = "gotchya"
if rOrig.Lifecycle.IgnoreChanges[0] == rCopy.Lifecycle.IgnoreChanges[0] {
t.Fatalf("Expected Lifecycle to be copied, but it behaves like a ref!")
}
}
func TestConfigCount(t *testing.T) {
c := testConfig(t, "count-int")
actual, err := c.Resources[0].Count()
if err != nil {
t.Fatalf("err: %s", err)
}
if actual != 5 {
t.Fatalf("bad: %#v", actual)
}
}
func TestConfigCount_string(t *testing.T) {
c := testConfig(t, "count-string")
actual, err := c.Resources[0].Count()
if err != nil {
t.Fatalf("err: %s", err)
}
if actual != 5 {
t.Fatalf("bad: %#v", actual)
}
}
// Terraform GH-11800
func TestConfigCount_list(t *testing.T) {
c := testConfig(t, "count-list")
// The key is to interpolate so it doesn't fail parsing
c.Resources[0].RawCount.Interpolate(map[string]ast.Variable{
"var.list": ast.Variable{
Value: []ast.Variable{},
Type: ast.TypeList,
},
})
_, err := c.Resources[0].Count()
if err == nil {
t.Fatal("should error")
}
}
func TestConfigCount_var(t *testing.T) {
c := testConfig(t, "count-var")
_, err := c.Resources[0].Count()
if err == nil {
t.Fatalf("should error")
}
}
func TestConfig_emptyCollections(t *testing.T) {
c := testConfig(t, "empty-collections")
if len(c.Variables) != 3 {
t.Fatalf("bad: expected 3 variables, got %d", len(c.Variables))
}
for _, variable := range c.Variables {
switch variable.Name {
case "empty_string":
if variable.Default != "" {
t.Fatalf("bad: wrong default %q for variable empty_string", variable.Default)
}
case "empty_map":
if !reflect.DeepEqual(variable.Default, map[string]interface{}{}) {
t.Fatalf("bad: wrong default %#v for variable empty_map", variable.Default)
}
case "empty_list":
if !reflect.DeepEqual(variable.Default, []interface{}{}) {
t.Fatalf("bad: wrong default %#v for variable empty_list", variable.Default)
}
default:
t.Fatalf("Unexpected variable: %s", variable.Name)
}
}
}
// This table test is the preferred way to test validation of configuration.
// There are dozens of functions below which do not follow this that are
// there mostly historically. They should be converted at some point.
func TestConfigValidate_table(t *testing.T) {
cases := []struct {
Name string
Fixture string
Err bool
ErrString string
}{
{
"basic good",
"validate-good",
false,
"",
},
{
"depends on module",
"validate-depends-on-module",
false,
"",
},
{
"depends on non-existent module",
"validate-depends-on-bad-module",
true,
"non-existent module 'foo'",
},
{
"data source with provisioners",
"validate-data-provisioner",
true,
"data sources cannot have",
},
{
"basic provisioners",
"validate-basic-provisioners",
false,
"",
},
}
for i, tc := range cases {
t.Run(fmt.Sprintf("%d-%s", i, tc.Name), func(t *testing.T) {
c := testConfig(t, tc.Fixture)
err := c.Validate()
if (err != nil) != tc.Err {
t.Fatalf("err: %s", err)
}
if err != nil {
if tc.ErrString != "" && !strings.Contains(err.Error(), tc.ErrString) {
t.Fatalf("expected err to contain: %s\n\ngot: %s", tc.ErrString, err)
}
return
}
})
}
}
func TestConfigValidate_tfVersion(t *testing.T) {
c := testConfig(t, "validate-tf-version")
if err := c.Validate(); err != nil {
t.Fatalf("err: %s", err)
}
}
func TestConfigValidate_tfVersionBad(t *testing.T) {
c := testConfig(t, "validate-bad-tf-version")
if err := c.Validate(); err == nil {
t.Fatal("should not be valid")
}
}
func TestConfigValidate_tfVersionInterpolations(t *testing.T) {
c := testConfig(t, "validate-tf-version-interp")
if err := c.Validate(); err == nil {
t.Fatal("should not be valid")
}
}
func TestConfigValidate_badDependsOn(t *testing.T) {
c := testConfig(t, "validate-bad-depends-on")
if err := c.Validate(); err == nil {
t.Fatal("should not be valid")
}
}
func TestConfigValidate_countInt(t *testing.T) {
c := testConfig(t, "validate-count-int")
if err := c.Validate(); err != nil {
t.Fatalf("err: %s", err)
}
}
func TestConfigValidate_countBadContext(t *testing.T) {
c := testConfig(t, "validate-count-bad-context")
err := c.Validate()
expected := []string{
"no_count_in_output: count variables are only valid within resources",
"no_count_in_module: count variables are only valid within resources",
}
for _, exp := range expected {
if !strings.Contains(err.Error(), exp) {
t.Fatalf("expected: %q,\nto contain: %q", err, exp)
}
}
}
func TestConfigValidate_countCountVar(t *testing.T) {
c := testConfig(t, "validate-count-count-var")
if err := c.Validate(); err == nil {
t.Fatal("should not be valid")
}
}
func TestConfigValidate_countNotInt(t *testing.T) {
c := testConfig(t, "validate-count-not-int")
if err := c.Validate(); err == nil {
t.Fatal("should not be valid")
}
}
func TestConfigValidate_countUserVar(t *testing.T) {
c := testConfig(t, "validate-count-user-var")
if err := c.Validate(); err != nil {
t.Fatalf("err: %s", err)
}
}
func TestConfigValidate_countVar(t *testing.T) {
c := testConfig(t, "validate-count-var")
if err := c.Validate(); err != nil {
t.Fatalf("err: %s", err)
}
}
func TestConfigValidate_countVarInvalid(t *testing.T) {
c := testConfig(t, "validate-count-var-invalid")
if err := c.Validate(); err == nil {
t.Fatal("should not be valid")
}
}
func TestConfigValidate_countVarUnknown(t *testing.T) {
c := testConfig(t, "validate-count-var-unknown")
if err := c.Validate(); err == nil {
t.Fatal("should not be valid")
}
}
func TestConfigValidate_dependsOnVar(t *testing.T) {
c := testConfig(t, "validate-depends-on-var")
if err := c.Validate(); err == nil {
t.Fatal("should not be valid")
}
}
func TestConfigValidate_dupModule(t *testing.T) {
c := testConfig(t, "validate-dup-module")
if err := c.Validate(); err == nil {
t.Fatal("should not be valid")
}
}
func TestConfigValidate_dupResource(t *testing.T) {
c := testConfig(t, "validate-dup-resource")
if err := c.Validate(); err == nil {
t.Fatal("should not be valid")
}
}
func TestConfigValidate_ignoreChanges(t *testing.T) {
c := testConfig(t, "validate-ignore-changes")
if err := c.Validate(); err != nil {
t.Fatalf("err: %s", err)
}
}
func TestConfigValidate_ignoreChangesBad(t *testing.T) {
c := testConfig(t, "validate-ignore-changes-bad")
if err := c.Validate(); err == nil {
t.Fatal("should not be valid")
}
}
func TestConfigValidate_ignoreChangesInterpolate(t *testing.T) {
c := testConfig(t, "validate-ignore-changes-interpolate")
if err := c.Validate(); err == nil {
t.Fatal("should not be valid")
}
}
func TestConfigValidate_moduleNameBad(t *testing.T) {
c := testConfig(t, "validate-module-name-bad")
if err := c.Validate(); err == nil {
t.Fatal("should not be valid")
}
}
func TestConfigValidate_moduleSourceVar(t *testing.T) {
c := testConfig(t, "validate-module-source-var")
if err := c.Validate(); err == nil {
t.Fatal("should not be valid")
}
}
func TestConfigValidate_moduleVarInt(t *testing.T) {
c := testConfig(t, "validate-module-var-int")
if err := c.Validate(); err != nil {
t.Fatalf("should be valid: %s", err)
}
}
func TestConfigValidate_moduleVarMap(t *testing.T) {
c := testConfig(t, "validate-module-var-map")
if err := c.Validate(); err != nil {
t.Fatalf("should be valid: %s", err)
}
}
func TestConfigValidate_moduleVarList(t *testing.T) {
c := testConfig(t, "validate-module-var-list")
if err := c.Validate(); err != nil {
t.Fatalf("should be valid: %s", err)
}
}
func TestConfigValidate_moduleVarSelf(t *testing.T) {
c := testConfig(t, "validate-module-var-self")
if err := c.Validate(); err == nil {
t.Fatal("should be invalid")
}
}
func TestConfigValidate_nil(t *testing.T) {
var c Config
if err := c.Validate(); err != nil {
t.Fatalf("err: %s", err)
}
}
func TestConfigValidate_outputBadField(t *testing.T) {
c := testConfig(t, "validate-output-bad-field")
if err := c.Validate(); err == nil {
t.Fatal("should not be valid")
}
}
func TestConfigValidate_outputDescription(t *testing.T) {
c := testConfig(t, "validate-output-description")
if err := c.Validate(); err != nil {
t.Fatalf("err: %s", err)
}
if len(c.Outputs) != 1 {
t.Fatalf("got %d outputs; want 1", len(c.Outputs))
}
if got, want := "Number 5", c.Outputs[0].Description; got != want {
t.Fatalf("got description %q; want %q", got, want)
}
}
func TestConfigValidate_outputDuplicate(t *testing.T) {
c := testConfig(t, "validate-output-dup")
if err := c.Validate(); err == nil {
t.Fatal("should not be valid")
}
}
func TestConfigValidate_pathVar(t *testing.T) {
c := testConfig(t, "validate-path-var")
if err := c.Validate(); err != nil {
t.Fatalf("err: %s", err)
}
}
func TestConfigValidate_pathVarInvalid(t *testing.T) {
c := testConfig(t, "validate-path-var-invalid")
if err := c.Validate(); err == nil {
t.Fatal("should not be valid")
}
}
func TestConfigValidate_providerMulti(t *testing.T) {
c := testConfig(t, "validate-provider-multi")
if err := c.Validate(); err == nil {
t.Fatal("should not be valid")
}
}
func TestConfigValidate_providerMultiGood(t *testing.T) {
c := testConfig(t, "validate-provider-multi-good")
if err := c.Validate(); err != nil {
t.Fatalf("should be valid: %s", err)
}
}
func TestConfigValidate_providerMultiRefGood(t *testing.T) {
c := testConfig(t, "validate-provider-multi-ref-good")
if err := c.Validate(); err != nil {
t.Fatalf("should be valid: %s", err)
}
}
func TestConfigValidate_provConnSplatOther(t *testing.T) {
c := testConfig(t, "validate-prov-conn-splat-other")
if err := c.Validate(); err != nil {
t.Fatalf("should be valid: %s", err)
}
}
func TestConfigValidate_provConnSplatSelf(t *testing.T) {
c := testConfig(t, "validate-prov-conn-splat-self")
if err := c.Validate(); err == nil {
t.Fatal("should not be valid")
}
}
func TestConfigValidate_provSplatOther(t *testing.T) {
c := testConfig(t, "validate-prov-splat-other")
if err := c.Validate(); err != nil {
t.Fatalf("should be valid: %s", err)
}
}
func TestConfigValidate_provSplatSelf(t *testing.T) {
c := testConfig(t, "validate-prov-splat-self")
if err := c.Validate(); err == nil {
t.Fatal("should not be valid")
}
}
func TestConfigValidate_resourceProvVarSelf(t *testing.T) {
c := testConfig(t, "validate-resource-prov-self")
if err := c.Validate(); err != nil {
t.Fatalf("should be valid: %s", err)
}
}
func TestConfigValidate_resourceVarSelf(t *testing.T) {
c := testConfig(t, "validate-resource-self")
if err := c.Validate(); err == nil {
t.Fatal("should not be valid")
}
}
func TestConfigValidate_unknownThing(t *testing.T) {
c := testConfig(t, "validate-unknownthing")
if err := c.Validate(); err == nil {
t.Fatal("should not be valid")
}
}
func TestConfigValidate_unknownResourceVar(t *testing.T) {
c := testConfig(t, "validate-unknown-resource-var")
if err := c.Validate(); err == nil {
t.Fatal("should not be valid")
}
}
func TestConfigValidate_unknownResourceVar_output(t *testing.T) {
c := testConfig(t, "validate-unknown-resource-var-output")
if err := c.Validate(); err == nil {
t.Fatal("should not be valid")
}
}
func TestConfigValidate_unknownVar(t *testing.T) {
c := testConfig(t, "validate-unknownvar")
if err := c.Validate(); err == nil {
t.Fatal("should not be valid")
}
}
func TestConfigValidate_unknownVarCount(t *testing.T) {
c := testConfig(t, "validate-unknownvar-count")
if err := c.Validate(); err == nil {
t.Fatal("should not be valid")
}
}
func TestConfigValidate_varDefault(t *testing.T) {
c := testConfig(t, "validate-var-default")
if err := c.Validate(); err != nil {
t.Fatalf("should be valid: %s", err)
}
}
func TestConfigValidate_varDefaultListType(t *testing.T) {
c := testConfig(t, "validate-var-default-list-type")
if err := c.Validate(); err != nil {
t.Fatalf("should be valid: %s", err)
}
}
func TestConfigValidate_varDefaultInterpolate(t *testing.T) {
c := testConfig(t, "validate-var-default-interpolate")
if err := c.Validate(); err == nil {
t.Fatal("should not be valid")
}
}
func TestConfigValidate_varDup(t *testing.T) {
c := testConfig(t, "validate-var-dup")
if err := c.Validate(); err == nil {
t.Fatal("should not be valid")
}
}
func TestConfigValidate_varMultiExactNonSlice(t *testing.T) {
c := testConfig(t, "validate-var-multi-exact-non-slice")
if err := c.Validate(); err != nil {
t.Fatalf("should be valid: %s", err)
}
}
func TestConfigValidate_varMultiNonSlice(t *testing.T) {
c := testConfig(t, "validate-var-multi-non-slice")
if err := c.Validate(); err == nil {
t.Fatal("should not be valid")
}
}
func TestConfigValidate_varMultiNonSliceProvisioner(t *testing.T) {
c := testConfig(t, "validate-var-multi-non-slice-provisioner")
if err := c.Validate(); err == nil {
t.Fatal("should not be valid")
}
}
func TestConfigValidate_varMultiFunctionCall(t *testing.T) {
c := testConfig(t, "validate-var-multi-func")
if err := c.Validate(); err != nil {
t.Fatalf("should be valid: %s", err)
}
}
func TestConfigValidate_varModule(t *testing.T) {
c := testConfig(t, "validate-var-module")
if err := c.Validate(); err != nil {
t.Fatalf("err: %s", err)
}
}
func TestConfigValidate_varModuleInvalid(t *testing.T) {
c := testConfig(t, "validate-var-module-invalid")
if err := c.Validate(); err == nil {
t.Fatal("should not be valid")
}
}
func TestNameRegexp(t *testing.T) {
cases := []struct {
Input string
Match bool
}{
{"hello", true},
{"foo-bar", true},
{"foo_bar", true},
{"_hello", true},
{"foo bar", false},
{"foo.bar", false},
}
for _, tc := range cases {
if NameRegexp.Match([]byte(tc.Input)) != tc.Match {
t.Fatalf("Input: %s\n\nExpected: %#v", tc.Input, tc.Match)
}
}
}
func TestProviderConfigName(t *testing.T) {
pcs := []*ProviderConfig{
&ProviderConfig{Name: "aw"},
&ProviderConfig{Name: "aws"},
&ProviderConfig{Name: "a"},
&ProviderConfig{Name: "gce_"},
}
n := ProviderConfigName("aws_instance", pcs)
if n != "aws" {
t.Fatalf("bad: %s", n)
}
}
func testConfig(t *testing.T, name string) *Config {
c, err := LoadFile(filepath.Join(fixtureDir, name, "main.tf"))
if err != nil {
t.Fatalf("file: %s\n\nerr: %s", name, err)
}
return c
}
func TestConfigDataCount(t *testing.T) {
c := testConfig(t, "data-count")
actual, err := c.Resources[0].Count()
if err != nil {
t.Fatalf("err: %s", err)
}
if actual != 5 {
t.Fatalf("bad: %#v", actual)
}
// we need to make sure "count" has been removed from the RawConfig, since
// it's not a real key and won't validate.
if _, ok := c.Resources[0].RawConfig.Raw["count"]; ok {
t.Fatal("count key still exists in RawConfig")
}
}