func StringToType(src string, dstt reflect.Type) (reflect.Value, error) {
var srcv reflect.Value
switch dstt {
case durationType:
srcv = reflect.ValueOf(to.Duration(src))
case timeType:
// Destination is time.Time
srcv = reflect.ValueOf(to.Time(src))
default:
return StringToKind(src, dstt.Kind())
}
return srcv, nil
}
// StringToType converts a string value into another type.
func StringToType(src string, dstt reflect.Type) (srcv reflect.Value, err error) {
// Is destination a pointer?
if dstt.Kind() == reflect.Ptr {
if src == "" {
return
}
}
switch dstt {
case durationType:
srcv = reflect.ValueOf(to.Duration(src))
case timeType:
srcv = reflect.ValueOf(to.Time(src))
case ptimeType:
t := to.Time(src)
srcv = reflect.ValueOf(&t)
default:
return StringToKind(src, dstt.Kind())
}
return srcv, nil
}
// Tests datatype conversions.
func TestDataTypes(t *testing.T) {
var res db.Result
var items []db.Item
sess, err := db.Open(wrapperName, settings)
if err != nil {
t.Fatalf(err.Error())
}
defer sess.Close()
dataTypes := sess.ExistentCollection("data_types")
dataTypes.Truncate()
ids, err := dataTypes.Append(testValues)
if err != nil {
t.Fatalf(err.Error())
}
found, err := dataTypes.Count(db.Cond{"id": db.Id(ids[0])})
if err != nil {
t.Fatalf(err.Error())
}
if found == 0 {
t.Errorf("Expecting an item.")
}
// Getting and reinserting (a db.Item).
item, _ := dataTypes.Find()
_, err = dataTypes.Append(item)
if err == nil {
t.Fatalf("Expecting duplicated-key error.")
}
delete(item, "id")
_, err = dataTypes.Append(item)
if err != nil {
t.Fatalf(err.Error())
}
// Testing date ranges
items, err = dataTypes.FindAll(db.Cond{
"_date": time.Now(),
})
if err != nil {
t.Fatalf(err.Error())
}
if len(items) > 0 {
t.Fatalf("Expecting no results.")
}
items, err = dataTypes.FindAll(db.Cond{
"_date <=": time.Now(),
})
if err != nil {
t.Fatalf(err.Error())
}
if len(items) != 2 {
t.Fatalf("Expecting some results.")
}
// Testing struct
sresults := []testValuesStruct{}
res, err = dataTypes.Query()
if err != nil {
t.Fatalf(err.Error())
}
err = res.All(&sresults)
if err != nil {
t.Fatalf(err.Error())
}
// Testing struct equality
for _, item := range sresults {
if reflect.DeepEqual(item, testValues) == false {
t.Errorf("Struct is different.")
}
}
// Testing maps
results, _ := dataTypes.FindAll()
for _, item := range results {
for key, _ := range item {
switch key {
// Signed integers.
case
"_int",
"_int8",
"_int16",
"_int32",
"_int64":
if to.Int64(item[key]) != testValues.Int64 {
t.Fatalf("Wrong datatype %v.", key)
}
// Unsigned integers.
case
"_uint",
"_uint8",
"_uint16",
"_uint32",
"_uint64":
if to.Uint64(item[key]) != testValues.Uint64 {
t.Fatalf("Wrong datatype %v.", key)
}
// Floating point.
case "_float32":
case "_float64":
if to.Float64(item[key]) != testValues.Float64 {
t.Fatalf("Wrong datatype %v.", key)
}
// Boolean
case "_bool":
if to.Bool(item[key]) != testValues.Bool {
t.Fatalf("Wrong datatype %v.", key)
}
// String
case "_string":
if to.String(item[key]) != testValues.String {
t.Fatalf("Wrong datatype %v.", key)
}
// Date
case "_date":
if to.Time(item[key]).Equal(testValues.Date) == false {
t.Fatalf("Wrong datatype %v.", key)
}
}
}
}
}