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package protocol
import (
"bytes"
"encoding/base64"
"encoding/json"
"fmt"
"strings"
"testing"
)
func TestBase64UnmarshalJSON(t *testing.T) {
type testData struct {
StringData string `json:"string_data"`
EncodedData URLEncodedBase64 `json:"encoded_data"`
}
tests := []struct {
encodedMessage string
expectedTestData testData
}{
{
encodedMessage: "\"" + base64.RawURLEncoding.EncodeToString([]byte("test base64 data")) + "\"",
expectedTestData: testData{
StringData: "test string",
EncodedData: URLEncodedBase64("test base64 data"),
},
},
{
encodedMessage: "null",
expectedTestData: testData{
StringData: "test string",
EncodedData: nil,
},
},
}
for _, test := range tests {
raw := fmt.Sprintf(`{"string_data": "test string", "encoded_data": %s}`, test.encodedMessage)
got := testData{}
t.Logf("%s\n", raw)
err := json.NewDecoder(strings.NewReader(raw)).Decode(&got)
if err != nil {
t.Fatalf("error decoding JSON: %v", err)
}
if !bytes.Equal(test.expectedTestData.EncodedData, got.EncodedData) {
t.Fatalf("invalid URLEncodedBase64 data received: expected %s got %s", test.expectedTestData.EncodedData, got.EncodedData)
}
if test.expectedTestData.StringData != got.StringData {
t.Fatalf("invalid string data received: expected %s got %s", test.expectedTestData.StringData, got.StringData)
}
}
}
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