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/******************************************************************************
*
* Copyright 2018 Stefan Majewsky <majewsky@gmx.net>
*
* 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 schwift
import (
"crypto/rand"
"encoding/hex"
"math"
"net/http"
"net/url"
"os"
"testing"
"github.com/gophercloud/gophercloud"
"github.com/gophercloud/gophercloud/openstack"
"github.com/gophercloud/gophercloud/openstack/objectstorage/v1/swauth"
)
//This function can be used during debugging to redirect the HTTP requests for
//a specific unit test through a mitmproxy. Put this at the beginning of your
//testcase like so:
//
// testWithAccount(t, func(a *Account) {
// useProxy(a, "http://localhost:8888")
// ...
//
// testWithContainer(t, func(c *Container) {
// useProxy(c.Account(), "http://localhost:8888")
// ...
func useProxy(a *Account, proxyURL string) {
t := *(http.DefaultTransport.(*http.Transport))
t.Proxy = func(*http.Request) (*url.URL, error) { return url.Parse(proxyURL) }
a.client.ProviderClient.HTTPClient.Transport = &t
}
func testWithAccount(t *testing.T, testCode func(a *Account)) {
stAuth := os.Getenv("ST_AUTH")
stUser := os.Getenv("ST_USER")
stKey := os.Getenv("ST_KEY")
var client *gophercloud.ServiceClient
if stAuth == "" && stUser == "" && stKey == "" {
//option 1: Keystone authentication
authOptions, err := openstack.AuthOptionsFromEnv()
if err != nil {
t.Error("missing Swift credentials (need either ST_AUTH, ST_USER, ST_KEY or OS_* variables)")
t.Error("openstack.AuthOptionsFromEnv returned: " + err.Error())
return
}
provider, err := openstack.AuthenticatedClient(authOptions)
if err != nil {
t.Errorf("openstack.AuthenticatedClient returned: " + err.Error())
return
}
client, err = openstack.NewObjectStorageV1(provider, gophercloud.EndpointOpts{})
if err != nil {
t.Errorf("openstack.NewObjectStorageV1 returned: " + err.Error())
return
}
} else {
//option 2: Swift authentication v1
provider, err := openstack.NewClient(stAuth)
if err != nil {
t.Errorf("openstack.NewClient returned: " + err.Error())
return
}
client, err = swauth.NewObjectStorageV1(provider, swauth.AuthOpts{User: stUser, Key: stKey})
if err != nil {
t.Errorf("swauth.NewObjectStorageV1 returned: " + err.Error())
return
}
}
account, err := AccountFromClient(client)
if err != nil {
t.Errorf("schwift.AccountFromClient returned: " + err.Error())
return
}
testCode(account)
}
func testWithContainer(t *testing.T, testCode func(c *Container)) {
testWithAccount(t, func(a *Account) {
containerName := getRandomName()
container, err := a.Container(containerName).EnsureExists()
expectError(t, err, "")
testCode(container)
//cleanup
exists, err := container.Exists()
expectError(t, err, "")
if exists {
err = container.Delete(nil, nil)
expectError(t, err, "")
}
})
}
////////////////////////////////////////////////////////////////////////////////
func getRandomName() string {
var buf [16]byte
_, err := rand.Read(buf[:])
if err != nil {
panic(err.Error())
}
return hex.EncodeToString(buf[:])
}
////////////////////////////////////////////////////////////////////////////////
func expectBool(t *testing.T, actual bool, expected bool) {
t.Helper()
if actual != expected {
t.Errorf("expected value %#v, got %#v instead\n", expected, actual)
}
}
func expectFloat64(t *testing.T, actual float64, expected float64) {
t.Helper()
if math.Abs((actual-expected)/expected) > 1e-8 {
t.Errorf("expected value %g, got %g instead\n", expected, actual)
}
}
func expectInt(t *testing.T, actual int, expected int) {
t.Helper()
if actual != expected {
t.Errorf("expected value %d, got %d instead\n", expected, actual)
}
}
func expectUint64(t *testing.T, actual uint64, expected uint64) {
t.Helper()
if actual != expected {
t.Errorf("expected value %d, got %d instead\n", expected, actual)
}
}
func expectString(t *testing.T, actual string, expected string) {
t.Helper()
if actual != expected {
t.Errorf("expected value %q, got %q instead\n", expected, actual)
}
}
func expectError(t *testing.T, actual error, expected string) (ok bool) {
t.Helper()
if actual == nil {
if expected != "" {
t.Errorf("expected error %q, got no error\n", expected)
return false
}
} else {
if expected == "" {
t.Errorf("expected no error, got %q\n", actual.Error())
return false
} else if expected != actual.Error() {
t.Errorf("expected error %q, got %q instead\n", expected, actual.Error())
return false
}
}
return true
}
func expectHeaders(t *testing.T, actual map[string]string, expected map[string]string) {
t.Helper()
reported := make(map[string]bool)
for k, av := range actual {
ev, exists := expected[k]
if !exists {
ev = "<not set>"
}
if av != ev {
t.Errorf(`expected "%s: %s", got "%s: %s" instead`, k, ev, k, av)
reported[k] = true
}
}
for k, ev := range expected {
av, exists := actual[k]
if !exists {
av = "<not set>"
}
if av != ev && !reported[k] {
t.Errorf(`expected "%s: %s", got "%s: %s" instead`, k, ev, k, av)
}
}
}
func expectSuccess(t *testing.T, actual error) (ok bool) {
return expectError(t, actual, "")
}
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