func TestKeyComplete(t *testing.T) {
ctx, done, err := aetest.NewContext()
if err != nil {
t.Fatal(err)
}
dueDate := time.Date(2016, 2, 29, 13, 0, 0, 0, time.UTC)
k := writeTodoItem(ctx, "hello", dueDate, false, &testUser, false)
switch (*k).(type) {
case TodoID:
k1 := (*k).(TodoID)
k2 := datastore.Key(k1)
assert(t, !k2.Incomplete(), "write returned an incomplete key")
case E, TodoItem:
t.Fatal(fmt.Sprintf("Expected write to return a todo ID, got something else: %s", *k))
}
defer done()
}
// write a new item; read it back; modify the due date; check that we see the change
func TestMemcacheUpdate(t *testing.T) {
ctx, done, err := aetest.NewContext()
if err != nil {
t.Fatal(err)
}
dueDate := time.Date(2016, 2, 29, 13, 0, 0, 0, time.UTC)
dueDate1 := time.Date(2016, 3, 12, 13, 0, 0, 0, time.UTC)
id := writeTodoItem(ctx, "Brush my teeth", dueDate, false, &testUser, false)
switch (*id).(type) {
case TodoID:
id1 := (*id).(TodoID)
item := readTodoItem(ctx, id1)
t.Log("item = ", *item)
switch (*item).(type) {
case TodoItem:
int_id := datastore.Key(id1)
updateTodoItem(ctx, testUser.Email, "Brush my teeth", dueDate1, false, int_id.IntID())
cached_value, err := memcache.Get(ctx, int_id.String())
if err != nil {
t.Fatal("memcache.Get returned a weird result")
}
parsed_value := jsonToTodoItem(cached_value.Value)
switch (*parsed_value).(type) {
case TodoItem:
cached_item := (*parsed_value).(TodoItem)
assert(t,
cached_item.DueDate == dueDate1,
"cached item due date doesn't reflect update")
default:
t.Fatal("error encoding memcached item")
}
default:
t.Fatal("readTodoItem returned a weird result: ", *item)
}
default:
t.Fatal("writeTodoItem returned a weird result")
}
defer done()
}
// write 1 todo item
// list todo items: should be 1 item, not complete
// update the first item
// list todo items: should be 1 item, complete
func TestListUpdateList(t *testing.T) {
ctx, done, err := aetest.NewContext()
if err != nil {
t.Fatal(err)
}
dueDate := time.Date(2016, 2, 29, 13, 0, 0, 0, time.UTC)
id := writeTodoItem(ctx, "phone up my friend", dueDate, false, &testUser, false)
switch (*id).(type) {
case TodoID:
id1 := (*id).(TodoID)
k := datastore.Key(id1)
listResults := listTodoItems(ctx, &testUser)
switch (*listResults).(type) {
case Matches:
items := ([]Match)((*listResults).(Matches))
assert(t, len(items) == 1, fmt.Sprintf("wrong number of todo items: expected 1, saw %d", len(items)))
result := updateTodoItem(ctx, testUser.Email, "phone up my friend", dueDate, true, k.IntID())
assert(t, *result == Ok{}, fmt.Sprintf("error updating item: %s", *result))
_, err := memcache.Get(ctx, testUser.Email)
assert(t, err == memcache.ErrCacheMiss, "user's todo list was still cached after updating an item")
listResults1 := listTodoItems(ctx, &testUser)
switch (*listResults1).(type) {
case Matches:
items1 := ([]Match)((*listResults1).(Matches))
assert(t, len(items1) == 1, fmt.Sprintf("wrong number of todo items: expected 1, saw %d", len(items1)))
assert(t, items1[0].Value.State == "completed", fmt.Sprintf("expected completed task, saw: %s", items1[0].Value.State))
default:
t.Fatal(fmt.Sprintf("weird result from second listTodoItems: %s", *listResults1))
}
default:
t.Fatal("weird result from listTodoItems")
}
default:
t.Fatal("weird result from writeTodoItem")
}
defer done()
}
// Takes a todo item ID, returns a todo item
func readTodoItem(ctx context.Context, itemID TodoID) *MaybeError {
// n.b. doesn't check the owner
item := new(TodoItem)
var err error
var result = new(MaybeError)
var key = new(datastore.Key)
*key = datastore.Key(itemID)
log("calling Get on: " + (*key).String())
maybeCached := lookupCache(ctx, *key)
if (*maybeCached != CacheMiss{}) {
// item was cached, return it
return maybeCached
}
if err = datastore.Get(ctx, key, item); err != nil {
log("read failed: " + err.Error())
*result = E(err.Error())
} else {
log("read succeeded with " + item.Description)
*result = *item
}
updateCache(ctx, *key, *item)
return (result)
}
// read an item; check that the item is in the cache
func TestMemcacheRead(t *testing.T) {
ctx, done, err := aetest.NewContext()
if err != nil {
t.Fatal(err)
}
dueDate := time.Date(2016, 2, 29, 13, 0, 0, 0, time.UTC)
id := writeTodoItem(ctx, "Brush my teeth", dueDate, false, &testUser, false)
switch (*id).(type) {
case TodoID:
id1 := (*id).(TodoID)
item := readTodoItem(ctx, id1)
switch (*item).(type) {
case TodoItem:
read_item := (*item).(TodoItem)
k := datastore.Key(id1)
cache_item, err := memcache.Get(ctx, k.String())
if err != nil {
t.Fatal("memcache error")
}
cache_value := jsonToTodoItem(cache_item.Value)
switch (*cache_value).(type) {
case TodoItem:
cached_item := (*cache_value).(TodoItem)
assert(t, read_item == cached_item, "Cached todo item differs from the original item")
default:
t.Fatal("memcache.Get returned a weird result")
}
default:
t.Fatal("readTodoItem returned a weird result")
}
default:
t.Fatal("writeTodoItem returned a weird result")
}
defer done()
}
