public static void ReadThrowsOnInvalidJson(string invalidJson)
{
var converter = new ConfusionMatrixConverter();
Action deserialize = () => JsonConvert.DeserializeObject <ConfusionMatrix>(invalidJson, converter);
deserialize.Should().Throw <InvalidOperationException>();
}
public static void ReadsNullValue()
{
var converter = new ConfusionMatrixConverter();
var nullResult = JsonConvert.DeserializeObject <ConfusionMatrix>("null", converter);
var undefinedResult = JsonConvert.DeserializeObject <ConfusionMatrix>("undefined", converter);
nullResult.Should().BeNull();
undefinedResult.Should().BeNull();
}
public static void ReadsCorrectValue()
{
var converter = new ConfusionMatrixConverter();
var result = JsonConvert.DeserializeObject <ConfusionMatrix>("[ 1, 2, 3, 4 ]", converter);
result.TruePositive.Should().Be(1);
result.TrueNegative.Should().Be(2);
result.FalsePositive.Should().Be(3);
result.FalseNegative.Should().Be(4);
}
public static void WritesNullValue()
{
var converter = new ConfusionMatrixConverter();
var serializer = JsonSerializer.CreateDefault();
serializer.Converters.Add(converter);
var json = JToken.FromObject(new ConfusionMatrixContainer(), serializer);
json.Type.Should().Be(JTokenType.Object);
json.As <JObject>().ContainsKey("Data").Should().BeTrue();
json["Data"].Type.Should().Be(JTokenType.Null);
}
public static void WritesValueAsArray()
{
var value = new ConfusionMatrix(42, 7, 1, 0);
var converter = new ConfusionMatrixConverter();
var serializer = JsonSerializer.CreateDefault();
serializer.Converters.Add(converter);
var json = JToken.FromObject(value, serializer);
json.Type.Should().Be(JTokenType.Array);
json.As <JArray>().Count.Should().Be(4);
json.Value <int>(0).Should().Be(42);
json.Value <int>(1).Should().Be(7);
json.Value <int>(2).Should().Be(1);
json.Value <int>(3).Should().Be(0);
}
