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cd8bd0a | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 | import { describe, it } from "node:test";
import assert from "node:assert/strict";
import {
calculateLevel,
xpForLevel,
cumulativeXpForLevel,
xpToNextLevel,
getLevelTitle,
getLevelTier,
XP_REWARDS,
} from "../../../src/lib/gamification/xp";
describe("XP/Level Engine", () => {
describe("calculateLevel", () => {
it("returns level 1 for 0 XP", () => {
assert.equal(calculateLevel(0), 1);
});
it("returns level 1 for negative XP", () => {
assert.equal(calculateLevel(-100), 1);
});
it("returns level 1 for small XP", () => {
assert.equal(calculateLevel(50), 1);
});
it("returns level ~5 for 3162 XP (xpForLevel(10))", () => {
const level = calculateLevel(3162);
assert.ok(level >= 4 && level <= 7, `Expected ~5, got ${level}`);
});
it("returns level ~10 for cumulative level-10 XP", () => {
const xp = cumulativeXpForLevel(10);
const level = calculateLevel(xp);
assert.ok(level >= 9 && level <= 11, `Expected ~10, got ${level}`);
});
it("returns level ~25 for cumulative level-25 XP", () => {
const xp = cumulativeXpForLevel(25);
const level = calculateLevel(xp);
assert.ok(level >= 24 && level <= 26, `Expected ~25, got ${level}`);
});
it("returns level ~50 for cumulative level-50 XP", () => {
const xp = cumulativeXpForLevel(50);
const level = calculateLevel(xp);
assert.ok(level >= 49 && level <= 51, `Expected ~50, got ${level}`);
});
it("monotonically increases", () => {
let prev = 0;
for (let xp = 0; xp <= 100000; xp += 1000) {
const level = calculateLevel(xp);
assert.ok(level >= prev, `Level decreased at xp=${xp}: ${level} < ${prev}`);
prev = level;
}
});
});
describe("xpForLevel", () => {
it("returns 0 for level 1", () => {
assert.equal(xpForLevel(1), 0);
});
it("returns positive XP for level > 1", () => {
assert.ok(xpForLevel(2) > 0);
});
it("increases with level", () => {
assert.ok(xpForLevel(10) > xpForLevel(5));
assert.ok(xpForLevel(50) > xpForLevel(10));
});
});
describe("cumulativeXpForLevel", () => {
it("returns 0 for level 1", () => {
assert.equal(cumulativeXpForLevel(1), 0);
});
it("increases with level", () => {
assert.ok(cumulativeXpForLevel(10) > cumulativeXpForLevel(5));
});
});
describe("xpToNextLevel", () => {
it("returns positive number", () => {
assert.ok(xpToNextLevel(0) > 0);
});
it("decreases as XP increases within same level", () => {
const at100 = xpToNextLevel(100);
const at200 = xpToNextLevel(200);
// Both should be level 1, but at200 is closer to level 2
if (calculateLevel(100) === calculateLevel(200)) {
assert.ok(at200 < at100);
}
});
});
describe("getLevelTitle", () => {
it("returns Beginner for level 1", () => {
assert.equal(getLevelTitle(1), "Beginner");
});
it("returns Explorer for level 11", () => {
assert.equal(getLevelTitle(11), "Explorer");
});
it("returns Expert for level 26", () => {
assert.equal(getLevelTitle(26), "Expert");
});
it("returns Master for level 51", () => {
assert.equal(getLevelTitle(51), "Master");
});
it("returns Legend for level 76", () => {
assert.equal(getLevelTitle(76), "Legend");
});
});
describe("getLevelTier", () => {
it("returns bronze for level 1", () => {
assert.equal(getLevelTier(1), "bronze");
});
it("returns silver for level 11", () => {
assert.equal(getLevelTier(11), "silver");
});
it("returns gold for level 26", () => {
assert.equal(getLevelTier(26), "gold");
});
it("returns platinum for level 51", () => {
assert.equal(getLevelTier(51), "platinum");
});
it("returns diamond for level 76", () => {
assert.equal(getLevelTier(76), "diamond");
});
});
describe("XP_REWARDS", () => {
it("has all expected actions", () => {
assert.ok("request" in XP_REWARDS);
assert.ok("provider_switch" in XP_REWARDS);
assert.ok("combo_create" in XP_REWARDS);
assert.ok("token_share" in XP_REWARDS);
assert.ok("daily_login" in XP_REWARDS);
});
it("all rewards are positive", () => {
for (const [key, value] of Object.entries(XP_REWARDS)) {
assert.ok(value > 0, `${key} should be positive, got ${value}`);
}
});
});
});
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