public async Task Should_write_JSON_array_with_correct_elements()
{
// Arrange
var faker = new Faker();
var elements = faker.Random.WordsArray(10);
var asyncEnumerableElements = new AsyncEnumerableList <string>();
asyncEnumerableElements.AddRange(elements);
var expected = JsonConvert.SerializeObject(elements);
var sut = new ConverterImplementation <string>(typeof(AsyncEnumerableList <string>));
// Act
var buffer = new StringWriter();
await sut.WriteJsonAsync(new JsonTextWriter(buffer), asyncEnumerableElements);
var actual = buffer.ToString();
// Assert
actual.Should().Be(expected);
}
public void Should_read_JSON_array_into_constructor_using_IEnumerable_or_IAsyncEnumerable(Type collectionType)
{
// Arrange
var faker = new Faker();
var elements = faker.Random.WordsArray(10);
var serializer = new JsonSerializer();
var jsonBuffer = new StringWriter();
serializer.Serialize(new JsonTextWriter(jsonBuffer), elements);
var json = jsonBuffer.ToString();
var sut = new ConverterImplementation <string>(collectionType);
var reader = new JsonTextReader(new StringReader(json));
reader.Read().Should().BeTrue();
reader.TokenType.Should().Be(JsonToken.StartArray);
// Act
var result = sut.ConstructFromJson(reader, serializer);
// Assert
result.Should().BeOfType(collectionType);
var resultList = ((TestCollectionTypes.ConstructWithIEnumerable)result).Data;
resultList.Should().BeEquivalentTo(elements);
}
public void Should_detect_repeated_enumeration_when_reading_JSON_array_into_constructor_using_IEnumerable_or_IAsyncEnumerable(Type collectionType)
{
// Arrange
var faker = new Faker();
var elements = faker.Random.WordsArray(10);
var serializer = new JsonSerializer();
var jsonBuffer = new StringWriter();
serializer.Serialize(new JsonTextWriter(jsonBuffer), elements);
var json = jsonBuffer.ToString();
var sut = new ConverterImplementation <string>(collectionType);
var reader = new JsonTextReader(new StringReader(json));
reader.Read().Should().BeTrue();
reader.TokenType.Should().Be(JsonToken.StartArray);
// Act & Assert
Assert.Throws <JsonSerializationException>(
() =>
{
sut.ConstructFromJson(reader, serializer);
});
}
public void Should_read_JSON_array_into_existing_ICollection_object()
{
// Arrange
var faker = new Faker();
var elements = faker.Random.WordsArray(10);
var serializer = new JsonSerializer();
var jsonBuffer = new StringWriter();
serializer.Serialize(new JsonTextWriter(jsonBuffer), elements);
var json = jsonBuffer.ToString();
var sut = new ConverterImplementation <string>(typeof(AsyncEnumerableList <string>));
var reader = new JsonTextReader(new StringReader(json));
reader.Read().Should().BeTrue();
reader.TokenType.Should().Be(JsonToken.StartArray);
var existingValue = new AsyncEnumerableList <string>();
// Act
var result = sut.ReadJson(reader, existingValue, serializer);
// Assert
result.Should().BeSameAs(existingValue);
existingValue.Should().BeEquivalentTo(elements);
}
public void Should_determine_CanConstruct(bool expected, Type collectionType, string collectionTypeDescription)
{
// Arrange
var sut = new ConverterImplementation <string>(collectionType);
// Act
var actual = sut.CanConstruct;
// Assert
actual.Should().Be(expected, $"CanRead should be {expected} for {collectionTypeDescription}");
}
