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test: DRY out MockFilesystem

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This commit is contained in:
Alex Crawford 2015-01-22 19:30:04 -08:00
parent c093e44049
commit be62a1df66
3 changed files with 70 additions and 58 deletions
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64
datasource/configdrive/configdrive_test.go
View File

@ -15,83 +15,75 @@
package configdrive
import (
"os"
"testing"
"github.com/coreos/coreos-cloudinit/datasource/test"
)
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
root string
files test.MockFilesystem
metadata string
}{
{
"/",
test.MockFilesystem{},
"",
mockFilesystem{},
},
{
"/",
"/openstack/latest/meta_data.json",
mockFilesystem([]string{"/openstack/latest/meta_data.json"}),
test.MockFilesystem{"/openstack/latest/meta_data.json": "metadata"},
"metadata",
},
{
"/media/configdrive",
"/media/configdrive/openstack/latest/meta_data.json",
mockFilesystem([]string{"/media/configdrive/openstack/latest/meta_data.json"}),
test.MockFilesystem{"/media/configdrive/openstack/latest/meta_data.json": "metadata"},
"metadata",
},
} {
cd := configDrive{tt.root, tt.files.readFile}
filename, err := cd.FetchMetadata()
cd := configDrive{tt.root, tt.files.ReadFile}
metadata, err := cd.FetchMetadata()
if err != nil {
t.Fatalf("bad error for %q: want %v, got %q", tt, nil, err)
}
if string(filename) != tt.filename {
t.Fatalf("bad path for %q: want %q, got %q", tt, tt.filename, filename)
if string(metadata) != tt.metadata {
t.Fatalf("bad path for %q: want %q, got %q", tt, tt.metadata, metadata)
}
}
}
func TestFetchUserdata(t *testing.T) {
for _, tt := range []struct {
root string
filename string
files mockFilesystem
root string
files test.MockFilesystem
userdata string
}{
{
"/",
test.MockFilesystem{},
"",
mockFilesystem{},
},
{
"/",
"/openstack/latest/user_data",
mockFilesystem([]string{"/openstack/latest/user_data"}),
test.MockFilesystem{"/openstack/latest/user_data": "userdata"},
"userdata",
},
{
"/media/configdrive",
"/media/configdrive/openstack/latest/user_data",
mockFilesystem([]string{"/media/configdrive/openstack/latest/user_data"}),
test.MockFilesystem{"/media/configdrive/openstack/latest/user_data": "userdata"},
"userdata",
},
} {
cd := configDrive{tt.root, tt.files.readFile}
filename, err := cd.FetchUserdata()
cd := configDrive{tt.root, tt.files.ReadFile}
userdata, err := cd.FetchUserdata()
if err != nil {
t.Fatalf("bad error for %q: want %v, got %q", tt, nil, err)
}
if string(filename) != tt.filename {
t.Fatalf("bad path for %q: want %q, got %q", tt, tt.filename, filename)
if string(userdata) != tt.userdata {
t.Fatalf("bad path for %q: want %q, got %q", tt, tt.userdata, userdata)
}
}
}

28
datasource/test/test.go Normal file
View File

@ -0,0 +1,28 @@
// Copyright 2015 CoreOS, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package test
import (
"os"
)
type MockFilesystem map[string]string
func (m MockFilesystem) ReadFile(filename string) ([]byte, error) {
if contents, ok := m[filename]; ok {
return []byte(contents), nil
}
return nil, os.ErrNotExist
}

36
datasource/waagent/waagent_test.go
View File

@ -16,44 +16,36 @@ package waagent
import (
"encoding/json"
"os"
"reflect"
"testing"
"github.com/coreos/coreos-cloudinit/datasource/test"
)
type mockFilesystem map[string][]byte
func (m mockFilesystem) readFile(filename string) ([]byte, error) {
if contents := m[filename]; contents != nil {
return contents, nil
}
return nil, os.ErrNotExist
}
func TestFetchMetadata(t *testing.T) {
for _, tt := range []struct {
root string
files mockFilesystem
files test.MockFilesystem
metadata map[string]string
}{
{
"/",
mockFilesystem{},
test.MockFilesystem{},
nil,
},
{
"/",
mockFilesystem{"/SharedConfig.xml": []byte("")},
test.MockFilesystem{"/SharedConfig.xml": ""},
nil,
},
{
"/var/lib/waagent",
mockFilesystem{"/var/lib/waagent/SharedConfig.xml": []byte("")},
test.MockFilesystem{"/var/lib/waagent/SharedConfig.xml": ""},
nil,
},
{
"/var/lib/waagent",
mockFilesystem{"/var/lib/waagent/SharedConfig.xml": []byte(`<?xml version="1.0" encoding="utf-8"?>
test.MockFilesystem{"/var/lib/waagent/SharedConfig.xml": `<?xml version="1.0" encoding="utf-8"?>
<SharedConfig version="1.0.0.0" goalStateIncarnation="1">
<Deployment name="c8f9e4c9c18948e1bebf57c5685da756" guid="{1d10394f-c741-4a1a-a6bb-278f213c5a5e}" incarnation="0" isNonCancellableTopologyChangeEnabled="false">
<Service name="core-test-1" guid="{00000000-0000-0000-0000-000000000000}" />
@ -89,14 +81,14 @@ func TestFetchMetadata(t *testing.T) {
</InputEndpoints>
</Instance>
</Instances>
</SharedConfig>`)},
</SharedConfig>`},
map[string]string{
"local-ipv4": "100.73.202.64",
"public-ipv4": "191.239.39.77",
},
},
} {
a := waagent{tt.root, tt.files.readFile}
a := waagent{tt.root, tt.files.ReadFile}
metadataBytes, err := a.FetchMetadata()
if err != nil {
t.Fatalf("bad error for %q: want %v, got %q", tt, nil, err)
@ -116,22 +108,22 @@ func TestFetchMetadata(t *testing.T) {
func TestFetchUserdata(t *testing.T) {
for _, tt := range []struct {
root string
files mockFilesystem
files test.MockFilesystem
}{
{
"/",
mockFilesystem{},
test.MockFilesystem{},
},
{
"/",
mockFilesystem{"/CustomData": []byte{}},
test.MockFilesystem{"/CustomData": ""},
},
{
"/var/lib/waagent/",
mockFilesystem{"/var/lib/waagent/CustomData": []byte{}},
test.MockFilesystem{"/var/lib/waagent/CustomData": ""},
},
} {
a := waagent{tt.root, tt.files.readFile}
a := waagent{tt.root, tt.files.ReadFile}
_, err := a.FetchUserdata()
if err != nil {
t.Fatalf("bad error for %q: want %v, got %q", tt, nil, err)