Test and TDD

Test Pyramid & Code-Coverage
- What's test pyramid?
- What's test coverage?
- Is having 100% code-coverage a good thing?
Unit-Tests
- Scope
  - Where should we write unit-tests?
- Test Isolation
  - What's test isolation?
  - How it's related to running tests in parallel?
- Mocking (Interface, Virtual Methods)
  - How can we test classes like DateTime?
  - How can we mock a class method?
Integration-Tests
- Scope
  - Where should we write integration-tests?
- Mocking a piece of code in Integration-Tests to avoid costs
  - How can we use DI to mock a specific type in tests?
E2E-Tests
- Scopes and usages
  - Where should we write e2e-tests?
- Selenium
  - How Selenium works?
TDD
- Why?
- Use-cases
- BDD vs TDD (How/When they fit each other?)

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