go-ethereum/swarm/storage/feeds/topic_test.go

51 lines
1.2 KiB
Go

package feeds
import (
"testing"
"github.com/ethereum/go-ethereum/common/hexutil"
)
func TestTopic(t *testing.T) {
related, _ := hexutil.Decode("0xabcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789")
topicName := "test-topic"
topic, _ := NewTopic(topicName, related)
hex := topic.Hex()
expectedHex := "0xdfa89c750e3108f9c2aeef0123456789abcdef0123456789abcdef0123456789"
if hex != expectedHex {
t.Fatalf("Expected %s, got %s", expectedHex, hex)
}
var topic2 Topic
topic2.FromHex(hex)
if topic2 != topic {
t.Fatal("Expected recovered topic to be equal to original one")
}
if topic2.Name(related) != topicName {
t.Fatal("Retrieved name does not match")
}
bytes, err := topic2.MarshalJSON()
if err != nil {
t.Fatal(err)
}
expectedJSON := `"0xdfa89c750e3108f9c2aeef0123456789abcdef0123456789abcdef0123456789"`
equal, err := areEqualJSON(expectedJSON, string(bytes))
if err != nil {
t.Fatal(err)
}
if !equal {
t.Fatalf("Expected JSON to be %s, got %s", expectedJSON, string(bytes))
}
err = topic2.UnmarshalJSON(bytes)
if err != nil {
t.Fatal(err)
}
if topic2 != topic {
t.Fatal("Expected recovered topic to be equal to original one")
}
}