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fluxer/packages/limits/src/__tests__/LimitDiffer.test.tsx
2026-02-17 12:22:36 +00:00

132 lines
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TypeScript

/*
* Copyright (C) 2026 Fluxer Contributors
*
* This file is part of Fluxer.
*
* Fluxer is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Fluxer is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with Fluxer. If not, see <https://www.gnu.org/licenses/>.
*/
import {DEFAULT_FREE_LIMITS, DEFAULT_PREMIUM_LIMITS} from '@fluxer/limits/src/LimitDefaults';
import {computeOverrides, computeWireFormat, expandWireFormat} from '@fluxer/limits/src/LimitDiffer';
import type {LimitConfigSnapshot} from '@fluxer/limits/src/LimitTypes';
import {describe, expect, test} from 'vitest';
describe('LimitDiffer', () => {
test('computeOverrides returns empty object when limits match defaults', () => {
const overrides = computeOverrides(DEFAULT_FREE_LIMITS, DEFAULT_FREE_LIMITS);
expect(overrides).toEqual({});
});
test('computeOverrides extracts differences from defaults', () => {
const customLimits = {
...DEFAULT_FREE_LIMITS,
max_guilds: 150,
max_message_length: 3000,
};
const overrides = computeOverrides(customLimits, DEFAULT_FREE_LIMITS);
expect(overrides).toEqual({
max_guilds: 150,
max_message_length: 3000,
});
});
test('computeWireFormat creates wire format with overrides', () => {
const config: LimitConfigSnapshot = {
traitDefinitions: ['premium'],
rules: [
{
id: 'default',
limits: {...DEFAULT_FREE_LIMITS},
},
{
id: 'premium',
filters: {traits: ['premium']},
limits: {...DEFAULT_PREMIUM_LIMITS},
},
],
};
const wireFormat = computeWireFormat(config);
expect(wireFormat.version).toBe(2);
expect(wireFormat.traitDefinitions).toEqual(['premium']);
expect(wireFormat.rules).toHaveLength(2);
expect(wireFormat.defaultsHash).toBeTruthy();
expect(wireFormat.rules[0].id).toBe('default');
expect(wireFormat.rules[0].overrides).toEqual({});
expect(wireFormat.rules[1].id).toBe('premium');
expect(Object.keys(wireFormat.rules[1].overrides).length).toBeGreaterThan(0);
expect(wireFormat.rules[1].overrides.max_guilds).toBe(200);
});
test('expandWireFormat reconstructs full config from overrides', () => {
const config: LimitConfigSnapshot = {
traitDefinitions: ['premium'],
rules: [
{
id: 'default',
limits: {...DEFAULT_FREE_LIMITS},
},
{
id: 'premium',
filters: {traits: ['premium']},
limits: {...DEFAULT_PREMIUM_LIMITS},
},
],
};
const wireFormat = computeWireFormat(config);
const expanded = expandWireFormat(wireFormat);
expect(expanded.version).toBe(2);
expect(expanded.traitDefinitions).toEqual(['premium']);
expect(expanded.rules).toHaveLength(2);
expect(expanded.rules[0].limits.max_guilds).toBe(100);
expect(expanded.rules[1].limits.max_guilds).toBe(200);
expect(expanded.rules[1].limits.max_message_length).toBe(4000);
});
test('roundtrip: expand(compute(config)) equals config', () => {
const config: LimitConfigSnapshot = {
traitDefinitions: ['premium'],
rules: [
{
id: 'default',
limits: {...DEFAULT_FREE_LIMITS},
},
{
id: 'premium',
filters: {traits: ['premium']},
limits: {
...DEFAULT_PREMIUM_LIMITS,
max_guilds: 250,
},
},
],
};
const wireFormat = computeWireFormat(config);
const expanded = expandWireFormat(wireFormat);
expect(expanded.rules[0].limits).toEqual(config.rules[0].limits);
expect(expanded.rules[1].limits.max_guilds).toBe(250);
expect(expanded.rules[1].limits.max_message_length).toBe(4000);
});
});