RE: [MDB] about test case framework

> From: Thierry Bothorel [mailto:thierry.bo@xxxxxxxxxxxxxxx]
> Sent: Friday, November 21, 2003 4:57 PM
 
> sorry for my questions, I try to understand how the tests/drivers works.
> At
> the begining of driver contructor I have (from mssql.php) :
> 
>     function MDB_mssql()
>     {
>         $this->MDB_Common();
>         $this->phptype = 'mssql';
>         $this->dbsyntax = 'mssql';
> 
>         $this->supported['Sequences'] = 1;
>         $this->supported['Indexes'] = 1;
>         $this->supported['AffectedRows'] = 1;
>         $this->supported['Summaryfunctions'] = 1;
>         $this->supported['OrderByText'] = 0;
>         $this->supported['CurrId'] = 1;
>         $this->supported['SelectRowRanges'] = 0;
>         $this->supported['LOBs'] = 1;
>         $this->supported['Replace'] = 0;
>         $this->supported['SubSelects'] = 1;
> 
> What means supported here: Supported by the driver, or supported by the
> database. I mean a database can support a feature, but the driver does not
> implement it ?
> 
> From the test cases, I got for example :
> 
> mdb_usage_testcase : Starting testtransactions ...
> Failure 1 : This database does not support Transactions expected true,
> actual false
> There were 1 failures for testtransactions
> There were 0 errors for testtransactions
> 
> I understand it is normal that the test case print "This database does not
> support Transactions", since this property is not even defined. But I
> don't
> undestand "expected true". How the test know that it should be true?
> 
> Also, what is the complete preperty list that should be defined in each
> driver? Here I think Transactions should be defined since mssql support
> them.

This array is used by the user to determine if the feature is available.
This can either mean this is a natively supported feature or it is emulated.

However the driver test suite expects all tests to succeed, because the goal
of MDB is to allow database independent development.

Regards,
Lukas

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