Managing Test State with Mocha Hooks: Avoiding the Pollution Trap
Mocha hooks extract repeated setup and teardown, but choosing before versus beforeEach determines whether tests stay isolated or pollute each other.
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Mocha Hooks: Use Scoping to Keep Tests Isolated Without Paying for Setup Every Time
Mocha hooks control test setup and teardown. Match before/after to suite lifetime and beforeEach/afterEach to test isolation to avoid pollution and unnecessary cost.
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