On 6/01/2012 9:38, Vahid Nasiri wrote:
Hello,
Is it possible to write unit tests for programs based on the iText or
iTextSharp?
If yes, what should be tested? because the result is a binary file and
it's a highly visual medium...
Are there any samples available about this subject?
There are a number of third party tools that "test" PDFs on a structural
level:
- checking objects such as the outline tree,
- counting the pages in the page tree,
- comparing the syntax of the content stream,...
We don't use these because:
- two PDFs that are identical to the human eye can have a different
structure/syntax
- we use iText to check the specific syntax where we expect problems.
There may also be third party tools that "test" PDFs by rendering them
at a specific resolution,
and then compare pixel per pixel. We don't have any experience with
those, but we have this
on our product road map.
If you want to see how we currently test iText, take a look at the tests
in the SVN repository:
For instance:
https://itext.svn.sourceforge.net/svnroot/itext/trunk/itext/src/test/
There are more tests in the XML Worker project.
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