tdd e zero defeito
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Test-driven Development
E Zero Defeito
Fabrício Vargas MatosMaio/2010
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C#, NUnit e Pattern Repositório...
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C#, NUnit e Pattern Repositório...
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Pensando na Solução da R01
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1. Teste1: Ao inserir uma pessoa com Cpf já existente, deve gerar uma exceção.
2. Teste 2: Ao inserir uma pessoa com Cpf diferente, não gera a exceção e a pessoa é inserida.
Pensando nos Testes da R01
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Meu maior projeto...
40% desenvolvido
3.800 testes
33min para executar
Estimamos 10.000 testes ao final
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1) TDD nos leva a construir
software com mais qualidade
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1) TDD nos leva a construir
software com mais qualidade
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2) É mais barato desenvolver com
TDD
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Velocidade do Time
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Velocidade do Time
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Corte no TCO (Custo Total de Posse )
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2) É mais barato desenvolver com
TDD
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3) Com TDD, somos mais
felizes!
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Beck, K. Test-Driven Development by Example, Addison Wesley, 2003