terraform/config/loader_test.go

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package config
import (
"fmt"
"path/filepath"
"strings"
"testing"
)
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func TestLoad_badType(t *testing.T) {
_, err := Load(filepath.Join(fixtureDir, "bad_type.tf.nope"))
if err == nil {
t.Fatal("should have error")
}
}
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func TestLoadBasic(t *testing.T) {
c, err := Load(filepath.Join(fixtureDir, "basic.tf"))
if err != nil {
t.Fatalf("err: %s", err)
}
if c == nil {
t.Fatal("config should not be nil")
}
actual := variablesStr(c.Variables)
if actual != strings.TrimSpace(basicVariablesStr) {
t.Fatalf("bad:\n%s", actual)
}
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actual = providerConfigsStr(c.ProviderConfigs)
if actual != strings.TrimSpace(basicProvidersStr) {
t.Fatalf("bad:\n%s", actual)
}
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actual = resourcesStr(c.Resources)
if actual != strings.TrimSpace(basicResourcesStr) {
t.Fatalf("bad:\n%s", actual)
}
}
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func TestLoadBasic_import(t *testing.T) {
c, err := Load(filepath.Join(fixtureDir, "import.tf"))
if err != nil {
t.Fatalf("err: %s", err)
}
if c == nil {
t.Fatal("config should not be nil")
}
actual := variablesStr(c.Variables)
if actual != strings.TrimSpace(importVariablesStr) {
t.Fatalf("bad:\n%s", actual)
}
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actual = providerConfigsStr(c.ProviderConfigs)
if actual != strings.TrimSpace(importProvidersStr) {
t.Fatalf("bad:\n%s", actual)
}
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actual = resourcesStr(c.Resources)
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if actual != strings.TrimSpace(importResourcesStr) {
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t.Fatalf("bad:\n%s", actual)
}
}
func TestLoad_variables(t *testing.T) {
c, err := Load(filepath.Join(fixtureDir, "variables.tf"))
if err != nil {
t.Fatalf("err: %s", err)
}
if c == nil {
t.Fatal("config should not be nil")
}
actual := variablesStr(c.Variables)
if actual != strings.TrimSpace(variablesVariablesStr) {
t.Fatalf("bad:\n%s", actual)
}
if !c.Variables["foo"].Required() {
t.Fatal("foo should be required")
}
if c.Variables["bar"].Required() {
t.Fatal("bar should not be required")
}
if c.Variables["baz"].Required() {
t.Fatal("baz should not be required")
}
}
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// This helper turns a provider configs field into a deterministic
// string value for comparison in tests.
func providerConfigsStr(pcs map[string]*ProviderConfig) string {
result := ""
for n, pc := range pcs {
result += fmt.Sprintf("%s\n", n)
for k, _ := range pc.RawConfig.Raw {
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result += fmt.Sprintf(" %s\n", k)
}
if len(pc.RawConfig.Variables) > 0 {
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result += fmt.Sprintf(" vars\n")
for _, rawV := range pc.RawConfig.Variables {
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kind := "unknown"
str := rawV.FullKey()
switch rawV.(type) {
case *ResourceVariable:
kind = "resource"
case *UserVariable:
kind = "user"
}
result += fmt.Sprintf(" %s: %s\n", kind, str)
}
}
}
return strings.TrimSpace(result)
}
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// This helper turns a resources field into a deterministic
// string value for comparison in tests.
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func resourcesStr(rs []*Resource) string {
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result := ""
for _, r := range rs {
result += fmt.Sprintf(
"%s[%s]\n",
r.Type,
r.Name)
for k, _ := range r.RawConfig.Raw {
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result += fmt.Sprintf(" %s\n", k)
}
if len(r.RawConfig.Variables) > 0 {
result += fmt.Sprintf(" vars\n")
for _, rawV := range r.RawConfig.Variables {
kind := "unknown"
str := rawV.FullKey()
switch rawV.(type) {
case *ResourceVariable:
kind = "resource"
case *UserVariable:
kind = "user"
}
result += fmt.Sprintf(" %s: %s\n", kind, str)
}
}
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}
return strings.TrimSpace(result)
}
// This helper turns a variables field into a deterministic
// string value for comparison in tests.
func variablesStr(vs map[string]*Variable) string {
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result := ""
for k, v := range vs {
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if v.Default == "" {
v.Default = "<>"
}
if v.Description == "" {
v.Description = "<>"
}
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result += fmt.Sprintf(
"%s\n %s\n %s\n",
k,
v.Default,
v.Description)
}
return strings.TrimSpace(result)
}
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const basicProvidersStr = `
aws
access_key
secret_key
do
api_key
vars
user: var.foo
`
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const basicResourcesStr = `
aws_security_group[firewall]
aws_instance[web]
ami
security_groups
vars
user: var.foo
resource: aws_security_group.firewall.foo
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`
const basicVariablesStr = `
foo
bar
bar
`
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const importProvidersStr = `
aws
foo
`
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const importResourcesStr = `
aws_security_group[db]
aws_security_group[web]
`
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const importVariablesStr = `
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bar
<>
<>
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foo
bar
bar
`
const variablesVariablesStr = `
foo
<>
<>
bar
<>
<>
baz
foo
<>
`