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") } }