cloudinit/datasource/configdrive/configdrive_test.go
Alex Crawford f0b9eaf2fe configdrive: Remove broken support for ec2 metadata
As it turns out, certain metadata is only present in the ec2 flavor
of metadata (e.g. public_ipv4) and other data is only present in
the openstack flavor (e.g. network_config). For now, just read the
openstack metadata.
2014-08-15 10:35:21 -07:00

126 lines
2.6 KiB
Go

package configdrive
import (
"os"
"testing"
)
type mockFilesystem []string
func (m mockFilesystem) readFile(filename string) ([]byte, error) {
for _, file := range m {
if file == filename {
return []byte(filename), nil
}
}
return nil, os.ErrNotExist
}
func TestFetchMetadata(t *testing.T) {
for _, tt := range []struct {
root string
filename string
files mockFilesystem
}{
{
"/",
"",
mockFilesystem{},
},
{
"/",
"/openstack/latest/meta_data.json",
mockFilesystem([]string{"/openstack/latest/meta_data.json"}),
},
{
"/media/configdrive",
"/media/configdrive/openstack/latest/meta_data.json",
mockFilesystem([]string{"/media/configdrive/openstack/latest/meta_data.json"}),
},
} {
cd := configDrive{tt.root, tt.files.readFile}
filename, err := cd.FetchMetadata()
if err != nil {
t.Fatalf("bad error for %q: want %q, got %q", tt, nil, err)
}
if string(filename) != tt.filename {
t.Fatalf("bad path for %q: want %q, got %q", tt, tt.filename, filename)
}
}
}
func TestFetchUserdata(t *testing.T) {
for _, tt := range []struct {
root string
filename string
files mockFilesystem
}{
{
"/",
"",
mockFilesystem{},
},
{
"/",
"/openstack/latest/user_data",
mockFilesystem([]string{"/openstack/latest/user_data"}),
},
{
"/media/configdrive",
"/media/configdrive/openstack/latest/user_data",
mockFilesystem([]string{"/media/configdrive/openstack/latest/user_data"}),
},
} {
cd := configDrive{tt.root, tt.files.readFile}
filename, err := cd.FetchUserdata()
if err != nil {
t.Fatalf("bad error for %q: want %q, got %q", tt, nil, err)
}
if string(filename) != tt.filename {
t.Fatalf("bad path for %q: want %q, got %q", tt, tt.filename, filename)
}
}
}
func TestConfigRoot(t *testing.T) {
for _, tt := range []struct {
root string
configRoot string
}{
{
"/",
"/openstack",
},
{
"/media/configdrive",
"/media/configdrive/openstack",
},
} {
cd := configDrive{tt.root, nil}
if configRoot := cd.ConfigRoot(); configRoot != tt.configRoot {
t.Fatalf("bad config root for %q: want %q, got %q", tt, tt.configRoot, configRoot)
}
}
}
func TestNewDatasource(t *testing.T) {
for _, tt := range []struct {
root string
expectRoot string
}{
{
root: "",
expectRoot: "",
},
{
root: "/media/configdrive",
expectRoot: "/media/configdrive",
},
} {
service := NewDatasource(tt.root)
if service.root != tt.expectRoot {
t.Fatalf("bad root (%q): want %q, got %q", tt.root, tt.expectRoot, service.root)
}
}
}