[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] How many unit tests should I create for my XML application?
Hi Folks, I am building an XML application. That is, my application consumes XML documents and then performs processing. The XML documents conform to an XML Schema. How many unit tests should I write for my XML application? To answer this question I looked at one other XML application. Specifically I looked at XML Schema validators. An XML Schema validator is an XML application -- an XML Schema validator consumes XML Schema documents (and XML instance documents) and then performs processing. The XML Schemas must conform to a schema-for-schemas. I downloaded the XML Schema Test Suite to see how many tests it contains and I discovered that it contains 14,285 unit tests. The schema-for-schemas is 2,374 lines. So there are 6 unit tests for each line of schema code. Is that a reasonable benchmark -- 6 units tests for each line of XML Schema? Thus, if my XML application consumes XML documents which conform to an XML Schema that is 100 lines long, then I should create 600 unit tests. Does that sound about right? /Roger
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