forked from mirror/gorm
71 lines
1.7 KiB
Go
71 lines
1.7 KiB
Go
package gorm_test
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import (
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"database/sql/driver"
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"encoding/json"
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"testing"
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)
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func TestScannableSlices(t *testing.T) {
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if err := DB.AutoMigrate(&RecordWithSlice{}).Error; err != nil {
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t.Errorf("Should create table with slice values correctly: %s", err)
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}
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r1 := RecordWithSlice{
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Strings: ExampleStringSlice{"a", "b", "c"},
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Structs: ExampleStructSlice{
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{"name1", "value1"},
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{"name2", "value2"},
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},
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}
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if err := DB.Save(&r1).Error; err != nil {
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t.Errorf("Should save record with slice values")
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}
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var r2 RecordWithSlice
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if err := DB.Find(&r2).Error; err != nil {
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t.Errorf("Should fetch record with slice values")
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}
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if len(r2.Strings) != 3 || r2.Strings[0] != "a" || r2.Strings[1] != "b" || r2.Strings[2] != "c" {
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t.Errorf("Should have serialised and deserialised a string array")
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}
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if len(r2.Structs) != 2 || r2.Structs[0].Name != "name1" || r2.Structs[0].Value != "value1" || r2.Structs[1].Name != "name2" || r2.Structs[1].Value != "value2" {
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t.Errorf("Should have serialised and deserialised a struct array")
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}
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}
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type RecordWithSlice struct {
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ID uint64
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Strings ExampleStringSlice `sql:"type:text"`
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Structs ExampleStructSlice `sql:"type:text"`
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}
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type ExampleStringSlice []string
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func (l ExampleStringSlice) Value() (driver.Value, error) {
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return json.Marshal(l)
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}
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func (l *ExampleStringSlice) Scan(input interface{}) error {
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return json.Unmarshal(input.([]byte), l)
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}
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type ExampleStruct struct {
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Name string
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Value string
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}
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type ExampleStructSlice []ExampleStruct
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func (l ExampleStructSlice) Value() (driver.Value, error) {
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return json.Marshal(l)
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}
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func (l *ExampleStructSlice) Scan(input interface{}) error {
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return json.Unmarshal(input.([]byte), l)
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}
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