public void WriteTests()
{
// Arrange
var inputs = new Dictionary <string, TestEnum>
{
{ "\"with-enum-member\"", TestEnum.WithEnumMember },
{ "\"Plain\"", TestEnum.Plain }
};
var factory = new EnumStringConverter();
var target = (JsonConverter <TestEnum>)factory.CreateConverter(typeof(TestEnum), new JsonSerializerOptions());
// Act & Assert
foreach (var(expectedResult, input) in inputs)
{
using var memoryStream = new MemoryStream();
var writer = new Utf8JsonWriter(memoryStream);
target.Write(writer, input, new JsonSerializerOptions());
writer.Flush();
memoryStream.Position = 0;
using var reader = new StreamReader(memoryStream);
var result = reader.ReadToEnd();
Assert.Equal(expectedResult, result);
}
}
public void ReadKnownValuesTests()
{
// Arrange
var inputs = new Dictionary <string, TestEnum>
{
{ "\"with-enum-member\"", TestEnum.WithEnumMember },
{ "\"WITH-ENUM-MEMBER\"", TestEnum.WithEnumMember },
{ "\"With-Enum-Member\"", TestEnum.WithEnumMember },
{ "\"plain\"", TestEnum.Plain },
{ "\"PLAIN\"", TestEnum.Plain },
{ "\"Plain\"", TestEnum.Plain }
};
var factory = new EnumStringConverter();
// Act & Assert
foreach (var(json, expectedResult) in inputs)
{
var target = (JsonConverter <TestEnum>)factory.CreateConverter(typeof(TestEnum), new JsonSerializerOptions());
TestEnum?result = null;
var utf8JsonBytes = Encoding.UTF8.GetBytes(json);
var reader = new Utf8JsonReader(utf8JsonBytes, true, new JsonReaderState());
while (reader.Read())
{
result = target.Read(ref reader, typeof(TestEnum), new JsonSerializerOptions());
}
Assert.Equal(expectedResult, result);
}
}
public void ReadUnknownValuesTests()
{
// Arrange
var factory = new EnumStringConverter();
var target = (JsonConverter <TestEnum>)factory.CreateConverter(typeof(TestEnum), new JsonSerializerOptions());
// Act & Assert
Assert.Throws <JsonException>(() =>
{
var utf8JsonBytes = Encoding.UTF8.GetBytes("\"UNKNOWN_VALUE\"");
var reader = new Utf8JsonReader(utf8JsonBytes, true, new JsonReaderState());
while (reader.Read())
{
target.Read(ref reader, typeof(TestEnum), new JsonSerializerOptions());
}
});
}
