public void Should_throw_when_reading_JSON_array_into_existing_instance_of_unsupported_collection_type(Type collectionType)
{
// Arrange
var faker = new Faker();
var input = faker.Random.WordsArray(10);
var serializer = new JsonSerializer();
var inputJSONBuffer = new StringWriter();
serializer.Serialize(new JsonTextWriter(inputJSONBuffer), input);
var inputJSON = inputJSONBuffer.ToString();
var reader = new JsonTextReader(new StringReader(inputJSON));
reader.Read().Should().BeTrue();
reader.TokenType.Should().Be(JsonToken.StartArray);
var sut = new JsonAsyncEnumerableConverter();
var existingInstance = ConstructTestCollection(collectionType, Enumerable.Empty <string>());
// Act & Assert
Assert.Throws <JsonSerializationException>(
() =>
{
sut.ReadJson(reader, collectionType, existingInstance, serializer);
});
}
public void Should_write_JSON_array_with_correct_elements(Type collectionType)
{
// Arrange
var faker = new Faker();
var sequence = faker.Random.WordsArray(10);
var collection = ConstructTestCollection(collectionType, sequence);
var serializer = new JsonSerializer();
var expectedBuffer = new StringWriter();
serializer.Serialize(new JsonTextWriter(expectedBuffer), sequence);
var expected = expectedBuffer.ToString();
var sut = new JsonAsyncEnumerableConverter();
var actualBuffer = new StringWriter();
var actualWriter = new JsonTextWriter(actualBuffer);
// Act
sut.WriteJson(actualWriter, collection, serializer);
// Assert
var actual = actualBuffer.ToString();
actual.Should().Be(expected);
}
public void Should_read_JSON_array_into_existing_instance_of_supported_collection_type(Type collectionType)
{
// Arrange
var faker = new Faker();
var expected = faker.Random.WordsArray(10);
var serializer = new JsonSerializer();
var expectedJSONBuffer = new StringWriter();
serializer.Serialize(new JsonTextWriter(expectedJSONBuffer), expected);
var expectedJSON = expectedJSONBuffer.ToString();
var reader = new JsonTextReader(new StringReader(expectedJSON));
reader.Read().Should().BeTrue();
reader.TokenType.Should().Be(JsonToken.StartArray);
var sut = new JsonAsyncEnumerableConverter();
var existingInstance = ConstructTestCollection(collectionType, Enumerable.Empty <string>());
// Act
var result = sut.ReadJson(reader, collectionType, existingInstance, serializer);
// Assert
result.Should().BeSameAs(existingInstance);
new AsyncEnumerableAdapter((IAsyncEnumerable <string>)existingInstance).Should().BeEquivalentTo(expected);
}
public void Should_read_JSON_array_into_supported_collection_type(Type collectionType)
{
// Arrange
var faker = new Faker();
var expected = faker.Random.WordsArray(10);
var serializer = new JsonSerializer();
var expectedJSONBuffer = new StringWriter();
serializer.Serialize(new JsonTextWriter(expectedJSONBuffer), expected);
var expectedJSON = expectedJSONBuffer.ToString();
var reader = new JsonTextReader(new StringReader(expectedJSON));
reader.Read().Should().BeTrue();
reader.TokenType.Should().Be(JsonToken.StartArray);
var sut = new JsonAsyncEnumerableConverter();
// Act
var result = sut.ReadJson(reader, collectionType, null, serializer);
// Assert
result.Should().BeAssignableTo(collectionType);
new AsyncEnumerableAdapter((IAsyncEnumerable <string>)result).Should().BeEquivalentTo(expected);
}
public void Should_calculate_CanConvert_correctly(bool expected, Type objectType)
{
// Arrange
var sut = new JsonAsyncEnumerableConverter();
// Act
var actual = sut.CanConvert(objectType);
// Assert
actual.Should().Be(expected);
}
public void Should_read_null_array(Type collectionType)
{
// Arrange
var serializer = new JsonSerializer();
var reader = new JsonTextReader(new StringReader("null"));
reader.Read().Should().BeTrue();
reader.TokenType.Should().Be(JsonToken.Null);
var sut = new JsonAsyncEnumerableConverter();
// Act
var result = sut.ReadJson(reader, collectionType, null, serializer);
// Assert
result.Should().BeNull();
}
public void Should_write_null_JSON_array()
{
// Arrange
var serializer = new JsonSerializer();
var sut = new JsonAsyncEnumerableConverter();
var actualBuffer = new StringWriter();
var actualWriter = new JsonTextWriter(actualBuffer);
// Act
sut.WriteJson(actualWriter, null, serializer);
// Assert
var actual = actualBuffer.ToString();
actual.Should().Be("null");
}
