Coding Approach With TDD Tradeoffs | Dataford Interview Questions

Tell me about how you balance speed and quality when using TDD, and what limitations you consider when synchronizing.

Implement synchronize_test_results to merge two test-result collections. Each result has an id, version, and status. Keep the result with the higher version, copy results present on only one side, and mark equal-version results with different statuses as conflicts.

Input: Two lists of dictionaries. Output: A list sorted by ascending id, containing dictionaries with id, version, and status.

Constraints

0 <= len(local), len(remote) <= 10^5
Each result contains integer fields id and version and a string field status
Test IDs are non-negative integers
Versions are non-negative integers
The output must contain at most one result per ID

Function Signature

def synchronize_test_results(local, remote):

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Problem

Tell me about how you balance speed and quality when using TDD, and what limitations you consider when synchronizing.

Input: Two lists of dictionaries. Output: A list sorted by ascending id, containing dictionaries with id, version, and status.

Constraints

0 <= len(local), len(remote) <= 10^5
Each result contains integer fields id and version and a string field status
Test IDs are non-negative integers
Versions are non-negative integers
The output must contain at most one result per ID

Function Signature

def synchronize_test_results(local, remote):

Your question is Coding Approach With TDD Tradeoffs. Start with the requirements in the Question tab.

Run and submit as often as you like. When you're ready, talk me through your approach or go straight to the code.