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Build Doctrine

Implements a coding task from a written spec with Done-When acceptance items. Use when given a spec to implement: stub the interface, implement it, then write tests that validate the Done-When items and any important behavior beyond them.

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Build Doctrine

Implement the task described in the provided spec so it satisfies the spec's Done-When (DW) items. Write all code and tests to the exact output paths the spec names.

Process

  1. Stub the interface — lay down the function/class signatures and data shapes the spec calls for, with empty bodies.
  2. Implement — fill in the bodies until every DW item's behavior is complete.
  3. Validate — write tests after the implementation:
    • Cover every DW item. Name those tests for their DW-ID (e.g. test_DW_1_1_parses_hours).
    • Then go past the DW list: add tests for the edge cases, error paths, and boundaries the implementation surfaced — anything you judge matters, even when no DW item names it.
    • Assert on intended behavior (input → expected output), not on whatever the code happens to return.
    • Run the suite. Every test must pass.

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