142 lines
3.1 KiB
Go
142 lines
3.1 KiB
Go
/*
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Copyright 2014 CoreOS, Inc.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package configdrive
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import (
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"os"
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"testing"
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)
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type mockFilesystem []string
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func (m mockFilesystem) readFile(filename string) ([]byte, error) {
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for _, file := range m {
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if file == filename {
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return []byte(filename), nil
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}
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}
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return nil, os.ErrNotExist
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}
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func TestFetchMetadata(t *testing.T) {
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for _, tt := range []struct {
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root string
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filename string
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files mockFilesystem
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}{
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{
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"/",
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"",
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mockFilesystem{},
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},
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{
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"/",
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"/openstack/latest/meta_data.json",
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mockFilesystem([]string{"/openstack/latest/meta_data.json"}),
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},
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{
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"/media/configdrive",
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"/media/configdrive/openstack/latest/meta_data.json",
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mockFilesystem([]string{"/media/configdrive/openstack/latest/meta_data.json"}),
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},
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} {
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cd := configDrive{tt.root, tt.files.readFile}
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filename, err := cd.FetchMetadata()
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if err != nil {
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t.Fatalf("bad error for %q: want %v, got %q", tt, nil, err)
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}
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if string(filename) != tt.filename {
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t.Fatalf("bad path for %q: want %q, got %q", tt, tt.filename, filename)
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}
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}
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}
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func TestFetchUserdata(t *testing.T) {
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for _, tt := range []struct {
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root string
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filename string
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files mockFilesystem
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}{
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{
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"/",
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"",
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mockFilesystem{},
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},
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{
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"/",
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"/openstack/latest/user_data",
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mockFilesystem([]string{"/openstack/latest/user_data"}),
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},
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{
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"/media/configdrive",
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"/media/configdrive/openstack/latest/user_data",
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mockFilesystem([]string{"/media/configdrive/openstack/latest/user_data"}),
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},
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} {
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cd := configDrive{tt.root, tt.files.readFile}
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filename, err := cd.FetchUserdata()
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if err != nil {
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t.Fatalf("bad error for %q: want %v, got %q", tt, nil, err)
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}
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if string(filename) != tt.filename {
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t.Fatalf("bad path for %q: want %q, got %q", tt, tt.filename, filename)
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}
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}
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}
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func TestConfigRoot(t *testing.T) {
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for _, tt := range []struct {
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root string
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configRoot string
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}{
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{
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"/",
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"/openstack",
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},
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{
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"/media/configdrive",
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"/media/configdrive/openstack",
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},
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} {
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cd := configDrive{tt.root, nil}
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if configRoot := cd.ConfigRoot(); configRoot != tt.configRoot {
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t.Fatalf("bad config root for %q: want %q, got %q", tt, tt.configRoot, configRoot)
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}
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}
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}
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func TestNewDatasource(t *testing.T) {
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for _, tt := range []struct {
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root string
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expectRoot string
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}{
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{
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root: "",
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expectRoot: "",
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},
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{
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root: "/media/configdrive",
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expectRoot: "/media/configdrive",
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},
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} {
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service := NewDatasource(tt.root)
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if service.root != tt.expectRoot {
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t.Fatalf("bad root (%q): want %q, got %q", tt.root, tt.expectRoot, service.root)
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}
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}
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}
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