Sai Kiran Vella
42 lines
1.6 KiB
JavaScript
42 lines
1.6 KiB
JavaScript
import { test } from 'node:test';
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import assert from 'node:assert/strict';
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import { CREDIT_RATING_SCALE, ScoringRules } from '../server/config/ScoringConfig.js';
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test('CREDIT_RATING_SCALE covers full spectrum', () => {
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assert.equal(CREDIT_RATING_SCALE.AAA, 10);
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assert.equal(CREDIT_RATING_SCALE.BBB, 7);
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assert.equal(CREDIT_RATING_SCALE.BB, 6);
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assert.equal(CREDIT_RATING_SCALE.D, 1);
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});
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test('STOCK base gates are fundamental (Graham-style)', () => {
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const { gates } = ScoringRules.STOCK;
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assert.equal(gates.maxPERatio, 15); // Graham's actual rule: 15x trailing earnings
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assert.equal(gates.maxPegGate, 1.0); // Lynch standard: PEG > 1.0 is paying full price
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assert.equal(gates.minQuickRatio, 0.8); // below 0.8 signals liquidity stress
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});
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test('REIT sector override zeroes out irrelevant weights', () => {
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const reit = ScoringRules.STOCK.SECTOR_OVERRIDE.REIT;
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assert.equal(reit.weights.margin, 0);
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assert.equal(reit.weights.peg, 0);
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assert.equal(reit.weights.revenue, 0);
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assert.equal(reit.weights.yield, 5);
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});
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test('REIT gates disable P/E and PEG', () => {
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const reit = ScoringRules.STOCK.SECTOR_OVERRIDE.REIT;
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assert.equal(reit.gates.maxPERatio, 9999);
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assert.equal(reit.gates.maxPegGate, 9999);
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});
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test('TECHNOLOGY gates are realistic for mega-cap', () => {
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const tech = ScoringRules.STOCK.SECTOR_OVERRIDE.TECHNOLOGY;
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assert.equal(tech.gates.maxDebtToEquity, 2.0);
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assert.equal(tech.gates.minQuickRatio, 0.8);
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});
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test('BOND requires investment-grade floor (BBB = 7)', () => {
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assert.equal(ScoringRules.BOND.gates.minCreditRating, 7);
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});
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