public async Task GetSimilarWordsAsync_ResponseTest(string input, int maxDistance, int maxAmount, string[] results)
{
// Arrange
ISpellCheckerService service = CreateSpellCheckerService(
out Mock <IDataSource> mockDataSource);
// Act
IEnumerable <string> actual = await service.GetSimilarWordsAsync(input, maxDistance, maxAmount);
// Assert
actual.Should()
.Equal(results);
}
public async Task GetSimilarWordsAsync_IDataSource_IsNull_ExpectException()
{
// Arrange
ISpellCheckerService service = CreateSpellCheckerService(
out Mock <IDataSource> mockDataSource);
service._dataSource = null;
// Act
async Task Act() => await service.GetSimilarWordsAsync(
It.IsAny <string>(),
It.IsAny <double>(),
It.IsAny <int>());
// Assert
await Assert.ThrowsAsync <InvalidOperationException>(Act);
}