filecoin-pin/dist/test/unit/synapse-payments.test.js

Bridge IPFS content to Filecoin Onchain Cloud using familiar tools

import { describe, expect, it } from 'vitest';
import { getStorageScale, STORAGE_SCALE_MAX } from '../../synapse/payments.js';
describe('getStorageScale', () => {
    it('returns 1 for extremely large TiB', () => {
        const storageTiB = Number.MAX_SAFE_INTEGER; // ensures floor(MAX_SAFE / storageTiB) === 0
        expect(getStorageScale(storageTiB)).toBe(1);
    });
    it('returns STORAGE_SCALE_MAX for tiny TiB', () => {
        const storageTiB = 1 / (STORAGE_SCALE_MAX * 10);
        expect(getStorageScale(storageTiB)).toBe(STORAGE_SCALE_MAX);
    });
    it('returns 1 for zero and negative inputs', () => {
        expect(getStorageScale(0)).toBe(1);
        expect(getStorageScale(-123.45)).toBe(1);
    });
    it('returns a limited scale when constrained by MAX_SAFE', () => {
        const expectedScale = 12_345;
        const storageTiB = Number.MAX_SAFE_INTEGER / expectedScale;
        expect(getStorageScale(storageTiB)).toBe(expectedScale);
    });
    it('returns STORAGE_SCALE_MAX exactly at the threshold boundary', () => {
        const storageTiB = Number.MAX_SAFE_INTEGER / STORAGE_SCALE_MAX;
        expect(getStorageScale(storageTiB)).toBe(STORAGE_SCALE_MAX);
    });
});
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