func Example_marshaling(client *dynago.Client) {
type MyStruct struct {
Id int64
Name string
Description string
Tags []string
Address struct {
City string
State string
}
}
var data MyStruct
doc := dynago.Document{
// Basic fields like numbers and strings get marshaled automatically
"Id": data.Id,
"Name": data.Name,
"Description": data.Description,
// StringSet is compatible with []string so we can simply cast it
"Tags": dynago.StringSet(data.Tags),
// We don't automatically marshal structs, nest it in a document
"Address": dynago.Document{
"City": data.Address.City,
"State": data.Address.State,
},
}
client.PutItem("Table", doc).Execute()
}
func TestDocumentMarshalJSONDoesNotIncludeEmptyValues(t *testing.T) {
doc := dynago.Document{"key1": "shows up", "key2": 9, "fields": dynago.StringSet([]string{"is", "present"}), "id": "", "name": nil, "tags": []string{}}
jsonDoc, _ := doc.MarshalJSON()
assert.Contains(t, string(jsonDoc), `"fields":{"SS":["is","present"]}`)
assert.Contains(t, string(jsonDoc), `"key1":{"S":"shows up"}`)
assert.Contains(t, string(jsonDoc), `"key2":{"N":"9"}`)
}