Testing XML

• Testing XML
• Benefits of Test Driven Development are Well Known
• More and More Applications Are Generating XML
• XML is not Just a Text File
• Different ways of representing the same syntax
• Content can change but still be OK
• Key Question
• An XML document
• An Alternate Representation of the Same document
• A Representation of the Same Information in a Different Document
• The XML Infoset
• Element Information Items
• The InfoSet Omits:
• Infoset significant details that sometimes should ignored anyway
• Direct Testing with DOM
• DOM Example
• Canonical XML
• A Canonicalized Document
• JUnit Canonicalization (using XOM)
• Document Subset Canonicalization
• JUnit Document Subset Canonicalization (using XOM 1.1)
• Exclusive XML Canonicalization
• JUnit Exclusive Document Subset Canonicalization
• Canonicalization tools and libraries
• Validity
• DTDs
• Validating via JUnit
• Changing the DTD
• Mock DOCTYPE
• W3C Schemas
• JUnit test for W3C Schemas
• RELAX NG schema
• JUnit test for RELAX NG Schemas
• XPath
• Some XPath Tests for the plist
• XPath in a JUnit test
• Writing as XSLT
• Combining XPath with Java
• XPath+Java Test
• Schematron
• Schematron Syntax
• Schematron schema for plists
• Running Schematron
• JUnit test for Schematron Schema
• XMLUnit
• XMLUnit
• A simple test case
• But this is not just a String comparison!
• Readers and Documents
• Assertion messages
• Concepts of Equality
• Some documents that are equal but not identical
• CDATA Handling is Broken
• The Diff class
• Testing for identity
• XPath Based Tests
• XPath Example
• DifferenceListener
• A DifferenceListener That Consider text nodes and CDATA sections to be equal
• Comparing two documents with the custom DifferenceListener That Ignores Attributes
• ElementQualifier
• XMLUnit
• To Learn More

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