public void Should_Create_Null_Date_From_Nullable()
{
// arrange
DateTime?date = null;
var converter = new DynamoDateConverter();
// act
var entry = converter.ToEntry(date);
// assert
Assert.IsType <DynamoDBNull>(entry);
}
public void Should_Create_Entry_From_DateTime()
{
// arrange
var date = new DateTime(2020, 1, 1, 12, 1, 1);
var converter = new DynamoDateConverter();
var expected = "2020-01-01";
// act
var entry = converter.ToEntry(date);
// assert
Assert.Equal(expected, entry.AsString());
}
public void Should_Treat_Date_As_Utc()
{
// arrange
var date = new DateTime(2020, 1, 2, 0, 0, 1, DateTimeKind.Utc);
var converter = new DynamoDateConverter();
var expected = "2020-01-02";
// act
var entry = converter.ToEntry(date);
// assert
Assert.Equal(expected, entry.AsString());
}
public void Should_Throw_If_Not_DateTime()
{
// arrange
var value = 1;
var converter = new DynamoDateConverter();
var expected = @"The given value is not a DateTime nor a Nullable<DateTime>.
Parameter name: value";
// act
var exception = Assert.Throws <ArgumentException>(() => converter.ToEntry(value));
// assert
Assert.Equal(expected, exception.Message);
}