public void Write_Works()
{
// Arrange
var traceId = "|37dd3dd5-4a9619f953c40a16.";
var value = new ProblemDetails
{
Title = "Not found",
Type = "https://tools.ietf.org/html/rfc7231#section-6.5.4",
Status = 404,
Detail = "Product not found",
Instance = "http://example.com/products/14",
Extensions =
{
{ "traceId", traceId },
{ "some-data", new[] { "value1", "value2"} }
}
};
var expected = $"{{\"type\":\"{JsonEncodedText.Encode(value.Type)}\",\"title\":\"{value.Title}\",\"status\":{value.Status},\"detail\":\"{value.Detail}\",\"instance\":\"{JsonEncodedText.Encode(value.Instance)}\",\"traceId\":\"{traceId}\",\"some-data\":[\"value1\",\"value2\"]}}";
var converter = new ProblemDetailsJsonConverter();
var stream = new MemoryStream();
// Act
using (var writer = new Utf8JsonWriter(stream))
{
converter.Write(writer, value, JsonSerializerOptions);
}
// Assert
var actual = Encoding.UTF8.GetString(stream.ToArray());
Assert.Equal(expected, actual);
}
public void Read_WithSomeMissingValues_Works()
{
// Arrange
var type = "https://tools.ietf.org/html/rfc7231#section-6.5.4";
var title = "Not found";
var status = 404;
var traceId = "|37dd3dd5-4a9619f953c40a16.";
var json = $"{{\"type\":\"{type}\",\"title\":\"{title}\",\"status\":{status},\"traceId\":\"{traceId}\"}}";
var converter = new ProblemDetailsJsonConverter();
var reader = new Utf8JsonReader(Encoding.UTF8.GetBytes(json));
// Act
var problemDetails = converter.Read(ref reader, typeof(ProblemDetails), JsonSerializerOptions);
Assert.Equal(type, problemDetails.Type);
Assert.Equal(title, problemDetails.Title);
Assert.Equal(status, problemDetails.Status);
Assert.Collection(
problemDetails.Extensions,
kvp =>
{
Assert.Equal("traceId", kvp.Key);
Assert.Equal(traceId, kvp.Value.ToString());
});
}
public void Read_ThrowsIfJsonIsIncomplete()
{
// Arrange
var json = "{";
var converter = new ProblemDetailsJsonConverter();
// Act & Assert
var ex = Record.Exception(() =>
{
var reader = new Utf8JsonReader(Encoding.UTF8.GetBytes(json));
converter.Read(ref reader, typeof(ProblemDetails), JsonSerializerOptions);
});
Assert.IsAssignableFrom <JsonException>(ex);
}
public void Write_WithSomeMissingContent_Works()
{
// Arrange
var value = new ProblemDetails
{
Title = "Not found",
Type = "https://tools.ietf.org/html/rfc7231#section-6.5.4",
Status = 404,
};
var expected = $"{{\"type\":\"{JsonEncodedText.Encode(value.Type)}\",\"title\":\"{value.Title}\",\"status\":{value.Status}}}";
var converter = new ProblemDetailsJsonConverter();
var stream = new MemoryStream();
// Act
using (var writer = new Utf8JsonWriter(stream))
{
converter.Write(writer, value, JsonSerializerOptions);
}
// Assert
var actual = Encoding.UTF8.GetString(stream.ToArray());
Assert.Equal(expected, actual);
}