apple/foundationdb

Extend ctest to include tests run against a single-process database

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#4137 opened on Dec 8, 2020

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help wantedtesting

Description

I think it'd be not terribly difficult to extend ctest to be able to provide some coverage over the non-simulation implementations of net/file by annotating the tests that are safe and applicable to run outside of simulation, and then extend TestRunner to be able to run a single-process database, and then point a fdbserver -r test at it.

Contributor guide

Tech stack
cpp
Domain
testingbackend
Issue type
feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
4
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
3-5 days
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
blocked
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
clear
Prerequisites
C++ knowledgeFoundationDB build systemctestsingle process database testing
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
20
Research direction
Start by examining the existing ctest configuration and TestRunner implementation to understand the current test infrastructure. Identify tests that are safe to run outside of simulation, particularly those in net/file. Then modify TestRunner to support single process database initialization. Finally, update ctest to incorporate these tests. Look at source files in the testing directory and the database server startup code.