Unit Testing

Oct 1, 2005

I've started researching on Unit Testing and I must admit
I had never heard of Unit Testing until a couple of months
ago. Obviously I am interested in Unit Testing Stored
Procedures.

I read the TSQLUnit documentation (not all of it) and i also ran
into a newsgroup post saying TSQLUnit is very small compared
to NUnit. The conclusion I am making out of this post is that
I should rather spend time resarching/reading about NUnit than
TSQLUnit. Is that a good assessment?

I would like to you what you use and if you use actually
Unit Testing or some other method? I ran into White Box/Black Box
QA testing. All these are new to me. Any good place to read about
"Extreme Programming"? I ran into one link that I saved it at work.
That's one place i will read more.

Any links, documentation or books you would suggest?
I searched Amazon and I didn't find anything interesting
regarding SQL Server and Stored Procedures.

Thank you

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Unit Testing

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Nov 11, 2007



Hello.


I want to test my custom component with unit tests and i thought i must only initilize the component to play around with it. But when i calling the ProviderComponentProperties method and there the RemoveAllInputsOutputsAndCustomProperties method a NullReference exception is thrown. After debugging the test i had seen that the ComponentMetaData of the component is null. Is there a way to initilize the ComponentMetaData?

The Code of the Component looks like this:




Code Block
[DtsPipelineComponent(
DisplayName = "TestSourceAdapter",
ComponentType = ComponentType.SourceAdapter,
IconResource = "TestSourceAdapter.TestSourceAdapter.ico"
)]
public class TestSourceAdapter: PipelineComponent
{

public override void ProvideComponentProperties()
{

RemoveAllInputsOutputsAndCustomProperties();

IDTSOutput90 output = ComponentMetaData.OutputCollection.New();
output.Name = "TestSourceAdapter";


ComponentMetaData.OutputCollection

["TestSourceAdapter"].ExternalMetadataColumnCollection.IsUsed = true;

ComponentMetaData.ValidateExternalMetadata = false;
ComponentMetaData.UsesDispositions = true;
ComponentMetaData.Name = "TestSourceAdapter";
ComponentMetaData.Description = "TestSourceAdapter";


ReinitializeMetaData();
}


...
}




And in test i call only this




Code Block
TestSourceAdapter testAdapter = new TestSourceAdapter();
_testAdapter.ProvideComponentProperties();





i hope anyone can help

regards
kai

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Aug 21, 2007

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Here is a test code snippet:


--Test Count/Count subquery

declare @Date datetime

set @date = '8/15/2007'


select
-- count returns unit data
Count(substring(m.PTNumber,3,3)) as PTCnt,
-- count returns total for all units

(select Count(substring(m1.PTNumber,3,3))

from tblVGD1_Master m1

left join tblVGD1_ClassIII v1 on m1.SlotNum_ID = v1.SlotNum_ID

Where left(m1.PTNumber,2) = 'PT' and m1.Denom_ID <> 9

and v1.Act = 1 and m1.Active = 1 and v1.MnyPlyd <> 0

and not (v1.MnyPlyd = v1.MnyWon and v1.ActWin = 0)

and v1.[Date] between DateAdd(dd,-90,@Date) and @Date) as TotalCnt,
-- attempting to calculate the percent by PTCnt/TotalCnt returns 0
(Count(substring(m.PTNumber,3,3)) /

(select Count(substring(m1.PTNumber,3,3))

from tblVGD1_Master m1

left join tblVGD1_ClassIII v1 on m1.SlotNum_ID = v1.SlotNum_ID

Where left(m1.PTNumber,2) = 'PT' and m1.Denom_ID <> 9

and v1.Act = 1 and m1.Active = 1 and v1.MnyPlyd <> 0

and not (v1.MnyPlyd = v1.MnyWon and v1.ActWin = 0)

and v1.[Date] between DateAdd(dd,-90,@Date) and @Date)) as AUPct
-- main select

from tblVGD1_Master m

left join tblVGD1_ClassIII v on m.SlotNum_ID = v.SlotNum_ID

Where left(m.PTNumber,2) = 'PT' and m.Denom_ID <> 9

and v.Act = 1 and m.Active = 1 and v.MnyPlyd <> 0

and not (v.MnyPlyd = v.MnyWon and v.ActWin = 0)

and v.[Date] between DateAdd(dd,-90,@Date) and @Date

group by substring(m.PTNumber, 3,3)

order by AUPct Desc


Thanks. Dan

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Ex:

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Code:
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0                  7500        0.025            7500           187.50
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Below is the table definition that we have to work with (ugghh).

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[PriceTableID] [int] IDENTITY(1,1) NOT NULL,
[entity] [varchar](4) NULL,
[PriceTableCode] [varchar](10) NULL,
[PriceTableName] [varchar](40) NULL,

[Code] ....

What we have so far is shown below.  The columns that start with bdxx are the "High Qty" values and the columns that start with prxx are the price for that quantity range.  So, the current SELECT is shown below and it returns the price based on the entire qty of 9,721 and returns a unit price of 0.020 and should return 0.023857628

The current SELECT is shown below and is returning 0.020 which is the fee for the total rather than calculating the fee twice, once for the 0-7500 and again for the 7501-15000 (actually 7501-9721). Two things came to mind, one was a WHILE loop and the other was possibly a ranking function of some sort. 

ALTER FUNCTION [dbo].[fn_GetPrice]
(
@plincdvarchar(3),
@pgrpcodevarchar(4),
@pitmcodevarchar(4),
@qtydecimal(10,1) = 1,
@corpnbrvarchar(9)
)

[Code] ....

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Here's my code.
====================
DECLARE
@DBName varchar(22),
@QueryString NVARCHAR(130),
@Resultsint,
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=====================

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