mirror of
https://github.com/restic/restic.git
synced 2024-12-28 02:38:33 +00:00
375 lines
9.2 KiB
Go
375 lines
9.2 KiB
Go
// Copyright 2011 Google Inc. All rights reserved.
|
|
// Use of this source code is governed by the Apache 2.0
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package delay
|
|
|
|
import (
|
|
"bytes"
|
|
"encoding/gob"
|
|
"errors"
|
|
"fmt"
|
|
"net/http"
|
|
"net/http/httptest"
|
|
"reflect"
|
|
"testing"
|
|
|
|
"github.com/golang/protobuf/proto"
|
|
"golang.org/x/net/context"
|
|
|
|
"google.golang.org/appengine/internal"
|
|
"google.golang.org/appengine/taskqueue"
|
|
)
|
|
|
|
type CustomType struct {
|
|
N int
|
|
}
|
|
|
|
type CustomInterface interface {
|
|
N() int
|
|
}
|
|
|
|
type CustomImpl int
|
|
|
|
func (c CustomImpl) N() int { return int(c) }
|
|
|
|
// CustomImpl needs to be registered with gob.
|
|
func init() {
|
|
gob.Register(CustomImpl(0))
|
|
}
|
|
|
|
var (
|
|
invalidFunc = Func("invalid", func() {})
|
|
|
|
regFuncRuns = 0
|
|
regFuncMsg = ""
|
|
regFunc = Func("reg", func(c context.Context, arg string) {
|
|
regFuncRuns++
|
|
regFuncMsg = arg
|
|
})
|
|
|
|
custFuncTally = 0
|
|
custFunc = Func("cust", func(c context.Context, ct *CustomType, ci CustomInterface) {
|
|
a, b := 2, 3
|
|
if ct != nil {
|
|
a = ct.N
|
|
}
|
|
if ci != nil {
|
|
b = ci.N()
|
|
}
|
|
custFuncTally += a + b
|
|
})
|
|
|
|
anotherCustFunc = Func("cust2", func(c context.Context, n int, ct *CustomType, ci CustomInterface) {
|
|
})
|
|
|
|
varFuncMsg = ""
|
|
varFunc = Func("variadic", func(c context.Context, format string, args ...int) {
|
|
// convert []int to []interface{} for fmt.Sprintf.
|
|
as := make([]interface{}, len(args))
|
|
for i, a := range args {
|
|
as[i] = a
|
|
}
|
|
varFuncMsg = fmt.Sprintf(format, as...)
|
|
})
|
|
|
|
errFuncRuns = 0
|
|
errFuncErr = errors.New("error!")
|
|
errFunc = Func("err", func(c context.Context) error {
|
|
errFuncRuns++
|
|
if errFuncRuns == 1 {
|
|
return nil
|
|
}
|
|
return errFuncErr
|
|
})
|
|
|
|
dupeWhich = 0
|
|
dupe1Func = Func("dupe", func(c context.Context) {
|
|
if dupeWhich == 0 {
|
|
dupeWhich = 1
|
|
}
|
|
})
|
|
dupe2Func = Func("dupe", func(c context.Context) {
|
|
if dupeWhich == 0 {
|
|
dupeWhich = 2
|
|
}
|
|
})
|
|
)
|
|
|
|
type fakeContext struct {
|
|
ctx context.Context
|
|
logging [][]interface{}
|
|
}
|
|
|
|
func newFakeContext() *fakeContext {
|
|
f := new(fakeContext)
|
|
f.ctx = internal.WithCallOverride(context.Background(), f.call)
|
|
f.ctx = internal.WithLogOverride(f.ctx, f.logf)
|
|
return f
|
|
}
|
|
|
|
func (f *fakeContext) call(ctx context.Context, service, method string, in, out proto.Message) error {
|
|
panic("should never be called")
|
|
}
|
|
|
|
var logLevels = map[int64]string{1: "INFO", 3: "ERROR"}
|
|
|
|
func (f *fakeContext) logf(level int64, format string, args ...interface{}) {
|
|
f.logging = append(f.logging, append([]interface{}{logLevels[level], format}, args...))
|
|
}
|
|
|
|
func TestInvalidFunction(t *testing.T) {
|
|
c := newFakeContext()
|
|
|
|
if got, want := invalidFunc.Call(c.ctx), fmt.Errorf("delay: func is invalid: %s", errFirstArg); got.Error() != want.Error() {
|
|
t.Errorf("Incorrect error: got %q, want %q", got, want)
|
|
}
|
|
}
|
|
|
|
func TestVariadicFunctionArguments(t *testing.T) {
|
|
// Check the argument type validation for variadic functions.
|
|
|
|
c := newFakeContext()
|
|
|
|
calls := 0
|
|
taskqueueAdder = func(c context.Context, t *taskqueue.Task, _ string) (*taskqueue.Task, error) {
|
|
calls++
|
|
return t, nil
|
|
}
|
|
|
|
varFunc.Call(c.ctx, "hi")
|
|
varFunc.Call(c.ctx, "%d", 12)
|
|
varFunc.Call(c.ctx, "%d %d %d", 3, 1, 4)
|
|
if calls != 3 {
|
|
t.Errorf("Got %d calls to taskqueueAdder, want 3", calls)
|
|
}
|
|
|
|
if got, want := varFunc.Call(c.ctx, "%d %s", 12, "a string is bad"), errors.New("delay: argument 3 has wrong type: string is not assignable to int"); got.Error() != want.Error() {
|
|
t.Errorf("Incorrect error: got %q, want %q", got, want)
|
|
}
|
|
}
|
|
|
|
func TestBadArguments(t *testing.T) {
|
|
// Try running regFunc with different sets of inappropriate arguments.
|
|
|
|
c := newFakeContext()
|
|
|
|
tests := []struct {
|
|
args []interface{} // all except context
|
|
wantErr string
|
|
}{
|
|
{
|
|
args: nil,
|
|
wantErr: "delay: too few arguments to func: 1 < 2",
|
|
},
|
|
{
|
|
args: []interface{}{"lala", 53},
|
|
wantErr: "delay: too many arguments to func: 3 > 2",
|
|
},
|
|
{
|
|
args: []interface{}{53},
|
|
wantErr: "delay: argument 1 has wrong type: int is not assignable to string",
|
|
},
|
|
}
|
|
for i, tc := range tests {
|
|
got := regFunc.Call(c.ctx, tc.args...)
|
|
if got.Error() != tc.wantErr {
|
|
t.Errorf("Call %v: got %q, want %q", i, got, tc.wantErr)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestRunningFunction(t *testing.T) {
|
|
c := newFakeContext()
|
|
|
|
// Fake out the adding of a task.
|
|
var task *taskqueue.Task
|
|
taskqueueAdder = func(_ context.Context, tk *taskqueue.Task, queue string) (*taskqueue.Task, error) {
|
|
if queue != "" {
|
|
t.Errorf(`Got queue %q, expected ""`, queue)
|
|
}
|
|
task = tk
|
|
return tk, nil
|
|
}
|
|
|
|
regFuncRuns, regFuncMsg = 0, "" // reset state
|
|
const msg = "Why, hello!"
|
|
regFunc.Call(c.ctx, msg)
|
|
|
|
// Simulate the Task Queue service.
|
|
req, err := http.NewRequest("POST", path, bytes.NewBuffer(task.Payload))
|
|
if err != nil {
|
|
t.Fatalf("Failed making http.Request: %v", err)
|
|
}
|
|
rw := httptest.NewRecorder()
|
|
runFunc(c.ctx, rw, req)
|
|
|
|
if regFuncRuns != 1 {
|
|
t.Errorf("regFuncRuns: got %d, want 1", regFuncRuns)
|
|
}
|
|
if regFuncMsg != msg {
|
|
t.Errorf("regFuncMsg: got %q, want %q", regFuncMsg, msg)
|
|
}
|
|
}
|
|
|
|
func TestCustomType(t *testing.T) {
|
|
c := newFakeContext()
|
|
|
|
// Fake out the adding of a task.
|
|
var task *taskqueue.Task
|
|
taskqueueAdder = func(_ context.Context, tk *taskqueue.Task, queue string) (*taskqueue.Task, error) {
|
|
if queue != "" {
|
|
t.Errorf(`Got queue %q, expected ""`, queue)
|
|
}
|
|
task = tk
|
|
return tk, nil
|
|
}
|
|
|
|
custFuncTally = 0 // reset state
|
|
custFunc.Call(c.ctx, &CustomType{N: 11}, CustomImpl(13))
|
|
|
|
// Simulate the Task Queue service.
|
|
req, err := http.NewRequest("POST", path, bytes.NewBuffer(task.Payload))
|
|
if err != nil {
|
|
t.Fatalf("Failed making http.Request: %v", err)
|
|
}
|
|
rw := httptest.NewRecorder()
|
|
runFunc(c.ctx, rw, req)
|
|
|
|
if custFuncTally != 24 {
|
|
t.Errorf("custFuncTally = %d, want 24", custFuncTally)
|
|
}
|
|
|
|
// Try the same, but with nil values; one is a nil pointer (and thus a non-nil interface value),
|
|
// and the other is a nil interface value.
|
|
custFuncTally = 0 // reset state
|
|
custFunc.Call(c.ctx, (*CustomType)(nil), nil)
|
|
|
|
// Simulate the Task Queue service.
|
|
req, err = http.NewRequest("POST", path, bytes.NewBuffer(task.Payload))
|
|
if err != nil {
|
|
t.Fatalf("Failed making http.Request: %v", err)
|
|
}
|
|
rw = httptest.NewRecorder()
|
|
runFunc(c.ctx, rw, req)
|
|
|
|
if custFuncTally != 5 {
|
|
t.Errorf("custFuncTally = %d, want 5", custFuncTally)
|
|
}
|
|
}
|
|
|
|
func TestRunningVariadic(t *testing.T) {
|
|
c := newFakeContext()
|
|
|
|
// Fake out the adding of a task.
|
|
var task *taskqueue.Task
|
|
taskqueueAdder = func(_ context.Context, tk *taskqueue.Task, queue string) (*taskqueue.Task, error) {
|
|
if queue != "" {
|
|
t.Errorf(`Got queue %q, expected ""`, queue)
|
|
}
|
|
task = tk
|
|
return tk, nil
|
|
}
|
|
|
|
varFuncMsg = "" // reset state
|
|
varFunc.Call(c.ctx, "Amiga %d has %d KB RAM", 500, 512)
|
|
|
|
// Simulate the Task Queue service.
|
|
req, err := http.NewRequest("POST", path, bytes.NewBuffer(task.Payload))
|
|
if err != nil {
|
|
t.Fatalf("Failed making http.Request: %v", err)
|
|
}
|
|
rw := httptest.NewRecorder()
|
|
runFunc(c.ctx, rw, req)
|
|
|
|
const expected = "Amiga 500 has 512 KB RAM"
|
|
if varFuncMsg != expected {
|
|
t.Errorf("varFuncMsg = %q, want %q", varFuncMsg, expected)
|
|
}
|
|
}
|
|
|
|
func TestErrorFunction(t *testing.T) {
|
|
c := newFakeContext()
|
|
|
|
// Fake out the adding of a task.
|
|
var task *taskqueue.Task
|
|
taskqueueAdder = func(_ context.Context, tk *taskqueue.Task, queue string) (*taskqueue.Task, error) {
|
|
if queue != "" {
|
|
t.Errorf(`Got queue %q, expected ""`, queue)
|
|
}
|
|
task = tk
|
|
return tk, nil
|
|
}
|
|
|
|
errFunc.Call(c.ctx)
|
|
|
|
// Simulate the Task Queue service.
|
|
// The first call should succeed; the second call should fail.
|
|
{
|
|
req, err := http.NewRequest("POST", path, bytes.NewBuffer(task.Payload))
|
|
if err != nil {
|
|
t.Fatalf("Failed making http.Request: %v", err)
|
|
}
|
|
rw := httptest.NewRecorder()
|
|
runFunc(c.ctx, rw, req)
|
|
}
|
|
{
|
|
req, err := http.NewRequest("POST", path, bytes.NewBuffer(task.Payload))
|
|
if err != nil {
|
|
t.Fatalf("Failed making http.Request: %v", err)
|
|
}
|
|
rw := httptest.NewRecorder()
|
|
runFunc(c.ctx, rw, req)
|
|
if rw.Code != http.StatusInternalServerError {
|
|
t.Errorf("Got status code %d, want %d", rw.Code, http.StatusInternalServerError)
|
|
}
|
|
|
|
wantLogging := [][]interface{}{
|
|
{"ERROR", "delay: func failed (will retry): %v", errFuncErr},
|
|
}
|
|
if !reflect.DeepEqual(c.logging, wantLogging) {
|
|
t.Errorf("Incorrect logging: got %+v, want %+v", c.logging, wantLogging)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestDuplicateFunction(t *testing.T) {
|
|
c := newFakeContext()
|
|
|
|
// Fake out the adding of a task.
|
|
var task *taskqueue.Task
|
|
taskqueueAdder = func(_ context.Context, tk *taskqueue.Task, queue string) (*taskqueue.Task, error) {
|
|
if queue != "" {
|
|
t.Errorf(`Got queue %q, expected ""`, queue)
|
|
}
|
|
task = tk
|
|
return tk, nil
|
|
}
|
|
|
|
if err := dupe1Func.Call(c.ctx); err == nil {
|
|
t.Error("dupe1Func.Call did not return error")
|
|
}
|
|
if task != nil {
|
|
t.Error("dupe1Func.Call posted a task")
|
|
}
|
|
if err := dupe2Func.Call(c.ctx); err != nil {
|
|
t.Errorf("dupe2Func.Call error: %v", err)
|
|
}
|
|
if task == nil {
|
|
t.Fatalf("dupe2Func.Call did not post a task")
|
|
}
|
|
|
|
// Simulate the Task Queue service.
|
|
req, err := http.NewRequest("POST", path, bytes.NewBuffer(task.Payload))
|
|
if err != nil {
|
|
t.Fatalf("Failed making http.Request: %v", err)
|
|
}
|
|
rw := httptest.NewRecorder()
|
|
runFunc(c.ctx, rw, req)
|
|
|
|
if dupeWhich == 1 {
|
|
t.Error("dupe2Func.Call used old registered function")
|
|
} else if dupeWhich != 2 {
|
|
t.Errorf("dupeWhich = %d; want 2", dupeWhich)
|
|
}
|
|
}
|