public void Distance_MeasureDistance(string input, string data, double distance)
{
// arrange
ISpellCheckerService service = CreateSpellCheckerService(
out Mock <IDataSource> mockDataSource);
// Act
double actual = service.Distance(input, data);
// Assert
Assert.Equal(distance, actual);
mockDataSource.Verify(x => x.ExistsAsync(It.IsAny <string>()), Times.Never);
mockDataSource.Verify(x => x.GetAllAsync(), Times.Never);
}
public void Distance_IDataSource_IsNull_ExpectException()
{
// Arrange
ISpellCheckerService service = CreateSpellCheckerService(
out Mock <IDataSource> mockDataSource);
service._dataSource = null;
// Act
// Assert
Assert.Throws <InvalidOperationException>(() =>
{
service.Distance(It.IsAny <string>(), It.IsAny <string>());
});
}
