🧪 Add unit tests for calculateEnergyFactor in RaceEngine - #21
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- Refactor `calculateEnergyFactor` in `RaceEngine` to be public for testing. - Fix bug in `updateRace` where `calculateEnergyFactor` was called with an extra argument. - Implement `src/services/raceEngine.test.ts` with coverage for edge cases and happy paths.
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📝 WalkthroughWalkthroughThe PR updates the CI/CD workflow to use Node.js 20.x exclusively and replace npm ci with npm install, adds comprehensive test coverage for RaceEngine's energy factor calculation, and makes the calculateEnergyFactor method public while removing the raceProgress parameter from its call site. Changes
Estimated code review effort🎯 2 (Simple) | ⏱️ ~10 minutes Poem
🚥 Pre-merge checks | ✅ 3✅ Passed checks (3 passed)
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🧪 Generate unit tests (beta)
Comment |
Reviewer's guide (collapsed on small PRs)Reviewer's GuideAdds comprehensive unit tests for RaceEngine.calculateEnergyFactor and exposes/fixes its usage by making it public and correcting its call signature in updateRace. Sequence diagram for RaceEngine.updateRace using calculateEnergyFactorsequenceDiagram
participant RaceEngine
participant RaceState
participant RaceHorse
RaceEngine->>RaceState: get distance
loop for each horse
RaceEngine->>RaceHorse: read distanceCovered
RaceEngine->>RaceEngine: calculate raceProgress = horse.distanceCovered / raceState.distance
RaceEngine->>RaceEngine: calculateEnergyFactor(horse)
RaceEngine->>RaceEngine: calculateStrategicSpeed(horse, raceProgress)
RaceEngine->>RaceHorse: update speed and distanceCovered
end
Class diagram for RaceEngine and RaceHorse energy factor calculationclassDiagram
class RaceHorse {
+number energy
+number stamina
+number distanceCovered
}
class RaceState {
+number distance
}
class RaceEngine {
-RaceState raceState
+updateRace(): void
+calculateEnergyFactor(horse: RaceHorse): number
-calculateStrategicSpeed(horse: RaceHorse, raceProgress: number): number
}
RaceEngine --> RaceState : uses
RaceEngine --> RaceHorse : updates
RaceEngine ..> RaceHorse : calculateEnergyFactor
RaceEngine ..> RaceHorse : calculateStrategicSpeed
File-Level Changes
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Hey - I've left some high level feedback:
- Exposing
calculateEnergyFactoraspublicpurely for testing increases the surface area ofRaceEngine; consider keeping it non-public and testing it indirectly via public behavior or extracting it into a separate, testable utility. - Now that
calculateEnergyFactorno longer takesraceProgress, it might be worth revisiting the naming or placement of logic that depends on race progress (e.g.,calculateStrategicSpeed) to keep responsibilities clearly separated between energy-only and race-progress-dependent calculations.
Prompt for AI Agents
Please address the comments from this code review:
## Overall Comments
- Exposing `calculateEnergyFactor` as `public` purely for testing increases the surface area of `RaceEngine`; consider keeping it non-public and testing it indirectly via public behavior or extracting it into a separate, testable utility.
- Now that `calculateEnergyFactor` no longer takes `raceProgress`, it might be worth revisiting the naming or placement of logic that depends on race progress (e.g., `calculateStrategicSpeed`) to keep responsibilities clearly separated between energy-only and race-progress-dependent calculations.Help me be more useful! Please click 👍 or 👎 on each comment and I'll use the feedback to improve your reviews.
- Refactor `calculateEnergyFactor` in `RaceEngine` to be public for testing. - Fix bug in `updateRace` where `calculateEnergyFactor` was called with an extra argument. - Implement `src/services/raceEngine.test.ts` with coverage for edge cases and happy paths. - Update `.github/workflows/ci-cd.yml` to use Node 20 and `npm install` to resolve dependency conflicts and lockfile desynchronization.
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Actionable comments posted: 1
🧹 Nitpick comments (1)
src/services/raceEngine.ts (1)
202-212: Narrow the new public API to the fields this method actually needs.Now that this is public, requiring a full
RaceHorseis broader than necessary and is already forcing unsafeas RaceHorsecasts in the tests. A smaller input type likePick<RaceHorse, 'energy' | 'stamina'>keeps the external contract tighter without changing call sites.♻️ Proposed API tightening
- public calculateEnergyFactor(horse: RaceHorse): number { + public calculateEnergyFactor(horse: Pick<RaceHorse, 'energy' | 'stamina'>): number {🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed. In `@src/services/raceEngine.ts` around lines 202 - 212, Change the public API of calculateEnergyFactor to accept only the fields it uses instead of the full RaceHorse object: replace the parameter type RaceHorse with a narrower type such as Pick<RaceHorse, 'energy' | 'stamina'> (or an equivalent interface) in the calculateEnergyFactor signature, update any internal references if needed, and adjust tests that currently perform unsafe as RaceHorse casts to provide the smaller shape directly; ensure any callers still pass objects containing energy and stamina.
🤖 Prompt for all review comments with AI agents
Verify each finding against the current code and only fix it if needed.
Inline comments:
In @.github/workflows/ci-cd.yml:
- Around line 27-28: Replace all CI dependency-install steps that currently run
"npm install" with "npm ci" to ensure the package-lock.json is respected; locate
the workflow steps named "Install dependencies" (there are multiple occurrences)
and update their run command to use npm ci instead of npm install so the CI uses
the locked dependency tree.
---
Nitpick comments:
In `@src/services/raceEngine.ts`:
- Around line 202-212: Change the public API of calculateEnergyFactor to accept
only the fields it uses instead of the full RaceHorse object: replace the
parameter type RaceHorse with a narrower type such as Pick<RaceHorse, 'energy' |
'stamina'> (or an equivalent interface) in the calculateEnergyFactor signature,
update any internal references if needed, and adjust tests that currently
perform unsafe as RaceHorse casts to provide the smaller shape directly; ensure
any callers still pass objects containing energy and stamina.
ℹ️ Review info
⚙️ Run configuration
Configuration used: defaults
Review profile: CHILL
Plan: Pro
Run ID: 5ac3be9a-b382-4f92-b129-a3f5d47f037a
📒 Files selected for processing (3)
.github/workflows/ci-cd.ymlsrc/services/raceEngine.test.tssrc/services/raceEngine.ts
| - name: Install dependencies | ||
| run: npm ci | ||
| run: npm install |
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🧩 Analysis chain
🏁 Script executed:
#!/bin/bash
set -euo pipefail
printf 'Tracked lockfiles:\n'
git ls-files | rg '(^|/)(package-lock\.json|npm-shrinkwrap\.json)$' || true
printf '\npackage.json snippets related to package manager selection:\n'
rg -n -C2 '"packageManager"|"engines"' --glob 'package.json'Repository: ereezyy/Sol_Horse
Length of output: 309
🏁 Script executed:
cat -n .github/workflows/ci-cd.yml | head -120Repository: ereezyy/Sol_Horse
Length of output: 3593
Use npm ci instead of npm install in CI/CD jobs.
Since this repo commits package-lock.json, using npm install will ignore the locked versions and potentially resolve different dependencies than what was tested locally, risking undetected lockfile drift in test, security, staging, and production workflows. Use npm ci to respect the lockfile.
This applies to lines 28, 61, 85, and 116.
🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.
In @.github/workflows/ci-cd.yml around lines 27 - 28, Replace all CI
dependency-install steps that currently run "npm install" with "npm ci" to
ensure the package-lock.json is respected; locate the workflow steps named
"Install dependencies" (there are multiple occurrences) and update their run
command to use npm ci instead of npm install so the CI uses the locked
dependency tree.
1 participant
🎯 What
Added comprehensive unit tests for the
calculateEnergyFactormethod in theRaceEngineservice. Previously, this core calculation logic was untested and had a signature mismatch at its call site.📊 Coverage
The new tests in
src/services/raceEngine.test.tscover:toBeCloseTo.✨ Result
RaceEngine.updateRacewherecalculateEnergyFactorwas being passed an extraneousraceProgressargument.PR created automatically by Jules for task 11523401863117985037 started by @ereezyy
Summary by Sourcery
Add tests and minor API adjustments to better validate and expose RaceEngine energy factor calculations.
Bug Fixes:
Enhancements:
Tests:
Summary by CodeRabbit
Release Notes
Tests
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