public void ShouldGetExpectedExpressionFromConstValue(object value, string expectedExpression)
{
IValueLambdaProvider constLambda = new ConstValueLambdaProvider(typeof(SourceClass), value);
var lambda = constLambda.GetLambda();
lambda.ToString().Should().Be(expectedExpression);
}
public void ShouldThrowExceptionWhenValueCanNotConvertToTargetType(object value, Type targetType)
{
IValueLambdaProvider constLambda = new ConstValueLambdaProvider(typeof(SourceClass), value);
Action action = () => constLambda.GetLambda(targetType);
action.Should().Throw <QueryExpressionException>()
.WithMessage($"convert value * to target type '{targetType.FullName}' error.");
}
public void ShouldGetExpectedExpressionWhenValueAsEnumType(object value, Type targetType,
string expectedExpression)
{
IValueLambdaProvider constLambda = new ConstValueLambdaProvider(typeof(SourceClass), value);
var lambda = constLambda.GetLambda(targetType);
lambda.ReturnType.Should().Be(targetType);
lambda.ToString().Should().Be(expectedExpression);
}
public void ShouldGetExpectedExpressionWhenValueAsDateTimeOffsetType(object value, Type targetType,
long timeStamp)
{
IValueLambdaProvider constLambda = new ConstValueLambdaProvider(typeof(SourceClass), value);
var lambda = constLambda.GetLambda(targetType);
var datetimeOffset = lambda.Compile().DynamicInvoke(new object[] { null });
datetimeOffset.Should().BeOfType <DateTimeOffset>()
.Which.ToUnixTimeMilliseconds().Should().Be(timeStamp);
}
public void ShouldGetExpectedExpressionWhenValueAsDateTimeType(object value, Type targetType,
string expectedExpression)
{
IValueLambdaProvider constLambda = new ConstValueLambdaProvider(typeof(SourceClass), value);
var lambda = constLambda.GetLambda(targetType);
var datetime = lambda.Compile().DynamicInvoke(new object[] { null });
datetime.Should().BeOfType <DateTime>()
.Which.ToString("yyyy-MM-dd HH:mm:ss.fff").Should().Be(expectedExpression)
;
}
