/
delete_test.go
144 lines (113 loc) · 2.86 KB
/
delete_test.go
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package nds_test
import (
"strconv"
"testing"
"github.com/qedus/nds"
"errors"
"context"
"google.golang.org/appengine"
"google.golang.org/appengine/datastore"
"google.golang.org/appengine/memcache"
)
func TestDeleteMulti(t *testing.T) {
c, closeFunc := NewContext(t)
defer closeFunc()
type TestEntity struct {
Value int
}
for _, count := range []int{499, 500, 501} {
keys := make([]*datastore.Key, count)
entities := make([]TestEntity, count)
for i := range keys {
keys[i] = datastore.NewKey(c, "TestEntity", strconv.Itoa(i), 0, nil)
entities[i] = TestEntity{i}
}
if _, err := nds.PutMulti(c, keys, entities); err != nil {
t.Fatal(err)
}
// Prime cache.
entities = make([]TestEntity, count)
if err := nds.GetMulti(c, keys, entities); err != nil {
t.Fatal(err)
}
if err := nds.DeleteMulti(c, keys); err != nil {
t.Fatal(err)
}
err := nds.GetMulti(c, keys, make([]TestEntity, count))
if err == nil {
t.Fatal("expect error")
}
me, ok := err.(appengine.MultiError)
if !ok {
t.Fatal("should be MultiError")
}
for _, e := range me {
if e != datastore.ErrNoSuchEntity {
t.Fatal("expected ErrNoSuchEntity")
}
}
}
}
func TestDeleteNilKey(t *testing.T) {
c, closeFunc := NewContext(t)
defer closeFunc()
if err := nds.Delete(c, nil); err != datastore.ErrInvalidKey {
t.Fatal("expected nil key error")
}
}
func TestDeleteIncompleteKey(t *testing.T) {
c, closeFunc := NewContext(t)
defer closeFunc()
if err := nds.Delete(c, nil); err != datastore.ErrInvalidKey {
t.Fatal("expected invalid key error")
}
}
func TestDeleteMemcacheFail(t *testing.T) {
c, closeFunc := NewContext(t)
defer closeFunc()
type testEntity struct {
Val int
}
key := datastore.NewKey(c, "Entity", "", 1, nil)
keys := []*datastore.Key{key}
entities := make([]testEntity, 1)
entities[0].Val = 43
if _, err := nds.PutMulti(c, keys, entities); err != nil {
t.Fatal(err)
}
nds.SetMemcacheSetMulti(func(c context.Context,
items []*memcache.Item) error {
return errors.New("expected error")
})
defer func() {
nds.SetMemcacheSetMulti(memcache.SetMulti)
}()
if err := nds.DeleteMulti(c, keys); err == nil {
t.Fatal("expected DeleteMulti error")
}
}
func TestDeleteInTransaction(t *testing.T) {
c, closeFunc := NewContext(t)
defer closeFunc()
type testEntity struct {
Val int
}
key := datastore.NewKey(c, "TestEntity", "", 1, nil)
if _, err := nds.Put(c, key, &testEntity{2}); err != nil {
t.Fatal(err)
}
// Prime cache.
if err := nds.Get(c, key, &testEntity{}); err != nil {
t.Fatal(err)
}
if err := nds.RunInTransaction(c, func(tc context.Context) error {
return nds.DeleteMulti(tc, []*datastore.Key{key})
}, nil); err != nil {
t.Fatal(err)
}
if err := nds.Get(c, key, &testEntity{}); err == nil {
t.Fatal("expected no entity")
} else if err != datastore.ErrNoSuchEntity {
t.Fatal(err)
}
}