Herzig: Developers never actually adopted test-driven development in practice
Philipp Herzig · SAP: Bringing the ‘Operating System’ of a Company into the AI Era with CTO Philipp Herzig · Apr 23, 2026 · at 16:16
Philipp Herzig, CTO of SAP, reflects on historical software development practices and why test-first development failed to gain widespread adoption.
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“The reality is nobody did it. At least I never did it because it was so much more fun. It was not very popular at the end.”
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