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Write tests before implementation code. Use when starting new features or fixing bugs. Covers Red-Green-Refactor cycle and TDD best practices.
Baseado na classificação ocupacional SOC
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| name | test-driven-development |
| description | Write tests before implementation code. Use when starting new features or fixing bugs. Covers Red-Green-Refactor cycle and TDD best practices. |
describe("Calculator", () => {
test("adds two numbers", () => {
const calc = new Calculator();
expect(calc.add(2, 3)).toBe(5);
});
});
// Run: FAIL - Calculator is not defined
class Calculator {
add(a: number, b: number): number {
return a + b;
}
}
// Run: PASS
Code is already clean, move to next test.
test("subtracts two numbers", () => {
const calc = new Calculator();
expect(calc.subtract(5, 3)).toBe(2);
});
// Run: FAIL - subtract is not defined