terraform/backend/init/init_test.go

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package init
import (
"os"
"reflect"
"testing"
backendLocal "github.com/hashicorp/terraform/backend/local"
)
func TestInit_backend(t *testing.T) {
// Initialize the backends map
Init(nil)
backends := []struct {
Name string
Type string
}{
{
"local",
"*local.Local",
}, {
"remote",
"*remote.Remote",
}, {
"atlas",
"*atlas.Backend",
}, {
"azurerm",
"*azure.Backend",
}, {
"consul",
"*consul.Backend",
}, {
"etcdv3",
"*etcd.Backend",
}, {
"gcs",
"*gcs.Backend",
}, {
"inmem",
"*inmem.Backend",
}, {
"manta",
"*manta.Backend",
}, {
"s3",
"*s3.Backend",
}, {
"swift",
"*swift.Backend",
}, {
"azure",
"init.deprecatedBackendShim",
},
}
// Make sure we get the requested backend
for _, b := range backends {
f := Backend(b.Name)
bType := reflect.TypeOf(f()).String()
if bType != b.Type {
t.Fatalf("expected backend %q to be %q, got: %q", b.Name, b.Type, bType)
}
}
}
func TestInit_forceLocalBackend(t *testing.T) {
// Initialize the backends map
Init(nil)
enhancedBackends := []struct {
Name string
Type string
}{
{
"local",
"nil",
}, {
"remote",
"*remote.Remote",
},
}
// Set the TF_FORCE_LOCAL_BACKEND flag so all enhanced backends will
// return a local.Local backend with themselves as embedded backend.
if err := os.Setenv("TF_FORCE_LOCAL_BACKEND", "1"); err != nil {
t.Fatalf("error setting environment variable TF_FORCE_LOCAL_BACKEND: %v", err)
}
// Make sure we always get the local backend.
for _, b := range enhancedBackends {
f := Backend(b.Name)
local, ok := f().(*backendLocal.Local)
if !ok {
t.Fatalf("expected backend %q to be \"*local.Local\", got: %T", b.Name, f())
}
bType := "nil"
if local.Backend != nil {
bType = reflect.TypeOf(local.Backend).String()
}
if bType != b.Type {
t.Fatalf("expected local.Backend to be %s, got: %s", b.Type, bType)
}
}
}