Prática de Shadowing: Seven Testing Principles: Software Testing - Aprenda a falar inglês com vídeo
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Consider a scenario where you are moving a file from folder A to folder B.
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Think of all the possible ways you can test this.
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Pause the tutorial and think over the exercise.
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Apart from the usual scenarios, you can also test the following conditions.
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trying to move the file when it is open.
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You do not have the security rights to paste the file in folder B.
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Folder B is on a shared drive and storage capacity is full.
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Folder B already has a file with the same name.
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In fact, the list is endless.
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Or suppose you have 15 input fields to test, each having 5 possible values.
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The number of combinations to be tested would be 5 raised to 15.
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If you were to test all the possible combinations, project execution time and costs will rise exponentially.
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Hence, one of the testing principles states that exhaustive testing is not possible.
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Instead, we need the optimal amount of testing based on the risk assessment of the application.
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And the million dollar question is, how do you determine this risk?
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To answer this, let's do an exercise.
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In your opinion, which operation is most likely to cause your operating system to fail?
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I'm sure most of you would have guessed opening 10 heavy graphics applications all at the same time.
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So if you were testing this operating system, you would realize that defects are likely to be found in a multitasking module, and that needs to be tested thoroughly.
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Which brings us to our next principle, Defect Clustering, which states that a small number of modules contain most of the defects detected.
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With experience you can identify such risky modules.
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But this approach has its own problems.
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If the same tests are repeated over and over again, eventually the same test cases will no longer find new bugs.
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This is another principle of testing called pesticide paradox.
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To overcome this, the test cases need to be regularly reviewed and revised, adding new and different test cases to help find more defects.
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But even after all this sweat and hard work in testing, you can never claim your product is bug-free.
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To drive home this point, let's see this video of the public launch of Windows 98.
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Let's plug it in.
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It's going to say, hey, I see you plugged in a new device, and it's going to load in the appropriate drivers.
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You'll notice that this scanner build Whoa.
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Moving right along.
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That must be why we're not shipping Windows 98 yet.
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You would think a company like Microsoft would have tested their OS thoroughly
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and would not risk their reputation just to see their OS crashing during its public launch.
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Hence, the testing principle states that testing shows the presence of defects.
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Testing reduces the probability of undiscovered defects remaining in the software.
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But even if no defects are found, it is not a proof of correctness or a proof that no defects remain in the system.
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But what if you work extra hard, taking all precaution and making sure your software product is 99% bug-free
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and the software does not meet the needs and requirements of the client?
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Which leads us to our next principle, which states that absence of error is a fallacy.
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Finding and fixing defects does not help if the system build is unusable and does not fulfill the user's needs and requirements.
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To fix this problem, the next principle of testing, early testing, states that testing should start as early as possible in the software development lifecycle,
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so that any defects in the requirements or design phase are captured as well.
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We'll have more on this principle in a later tutorial.
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And the last principle of testing states that the testing is context dependent, which basically means
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that the way you test an e-commerce site will be different from the way you test a commercial off-the-shelf application.
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Before we close this tutorial, here's a quick recap of the seven testing principles.
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Contexto e Fundo
O vídeo "Seven Testing Principles: Software Testing" explora conceitos-chave sobre testes de software, usando exemplos práticos como mover arquivos ou testar sistemas operacionais. Além de ensinar sobre a área de TI, ele é uma ótima oportunidade para praticar inglês, graças à linguagem clara e exemplos reais. Se você quer melhorar a pronúncia em inglês ou aprender inglês com YouTube, esse conteúdo é perfeito para exercícios de shadowing em inglês.
5 Frases Principais para Comunicação Diária
- "The number of combinations to be tested would be 5 raised to 15" – Útil para falar sobre quantidades e cálculos.
- "Exhaustive testing is not possible" – Uma frase clara para explicar limitações.
- "Defects are likely to be found in a multitasking module" – Boa para identificar problemas em sistemas.
- "The same test cases will no longer find new bugs" – Fala sobre a necessidade de inovação em processos.
- "Testing shows the presence of defects" – Uma definição fundamental sobre testes.
Guia Passo a Passo para Shadowing
O shadowing em inglês (ou shadowspeak) é uma técnica eficaz para melhorar a pronúncia e a fluência. Aqui's como aplicá-la nesse vídeo:
- Escute um trecho curto (5-10 segundos) e pause. Repita imitando a entonação e o ritmo. Isso ajuda a internalizar a pronúncia natural.
- Focus na conexão de palavras – Frases como "exponentially" ou "risk assessment" têm sons que precisam ser articulados claramente. Repita até sentir que está fluindo.
- Use a transcrição como apoio – Se houver dúvidas, confira a escrita, mas priorize ouvir e repetir. O objetivo é treinar o ouvido e a fala ao mesmo tempo.
- Aumente a velocidade gradualmente – Comece devagar, depois tente acompanhar o ritmo original. Isso melhora a capacidade de resposta linguística.
- Revise diariamente – Mesmo 10 minutos por dia com esse vídeo farão diferença. Lembre-se: o pesticide paradox também se aplica ao aprendizado – mude os trechos para não ficar estagnado!
Com prática constante, você verá que o shadowing em inglês não é só sobre repetir, mas sobre se sentir confortável com a língua. E o melhor: aprender inglês com YouTube nunca foi tão prático! Basta clicar, escutar e falar – e o progresso virá naturalmente.
O que é a Técnica de Shadowing?
Shadowing é uma técnica de aprendizado de idiomas com base científica, originalmente desenvolvida para o treinamento de intérpretes profissionais. O método é simples, mas poderoso: você ouve áudio em inglês nativo e repete imediatamente em voz alta — como uma sombra seguindo o falante com 1-2 segundos de atraso. Pesquisas mostram melhora significativa na precisão da pronúncia, entonação, ritmo, sons conectados, compreensão auditiva e fluência na fala.