示例#1
0
文件: main.go 项目: icattlecoder/db
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
}
示例#2
0
文件: main.go 项目: SmarkSeven/db
// 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
}
示例#3
0
// 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)
				}
			}
		}
	}

}