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| 1 | +import { resolveTokenThreshold } from "../src/config/token-threshold.js"; |
| 2 | + |
| 3 | +function assert(condition, message) { |
| 4 | + if (!condition) { |
| 5 | + console.error(`✗ FAIL: ${message}`); |
| 6 | + process.exitCode = 1; |
| 7 | + } else { |
| 8 | + console.log(`✓ PASS: ${message}`); |
| 9 | + } |
| 10 | +} |
| 11 | + |
| 12 | +function main() { |
| 13 | + console.log("=== Compaction Percentage Token Threshold Proof ===\n"); |
| 14 | + |
| 15 | + // 1. Percentage string resolution |
| 16 | + console.log("1. Percentage string resolution against context window"); |
| 17 | + assert( |
| 18 | + resolveTokenThreshold("40%", 1_000_000, 4_000) === 400_000, |
| 19 | + '"40%" with 1M context → 400000', |
| 20 | + ); |
| 21 | + assert( |
| 22 | + resolveTokenThreshold("40%", 200_000, 4_000) === 80_000, |
| 23 | + '"40%" with 200K context → 80000 (correctly scaled)', |
| 24 | + ); |
| 25 | + assert( |
| 26 | + resolveTokenThreshold("10%", 128_000, 20_000) === 12_800, |
| 27 | + '"10%" with 128K context → 12800', |
| 28 | + ); |
| 29 | + assert( |
| 30 | + resolveTokenThreshold("75%", 256_000, 4_000) === 192_000, |
| 31 | + '"75%" with 256K context → 192000', |
| 32 | + ); |
| 33 | + |
| 34 | + // 2. Numeric pass-through (backward compatibility) |
| 35 | + console.log("\n2. Numeric pass-through (backward compatible)"); |
| 36 | + assert( |
| 37 | + resolveTokenThreshold(400_000, 1_000_000, 4_000) === 400_000, |
| 38 | + "400000 int with 1M context → 400000 (unchanged)", |
| 39 | + ); |
| 40 | + assert( |
| 41 | + resolveTokenThreshold(80_000, 200_000, 4_000) === 80_000, |
| 42 | + "80000 int with 200K context → 80000 (unchanged)", |
| 43 | + ); |
| 44 | + assert(resolveTokenThreshold(0, 1_000_000, 4_000) === 0, "0 int → 0 (edge case)"); |
| 45 | + |
| 46 | + // 3. Undefined falls back to default |
| 47 | + console.log("\n3. Undefined falls back to default"); |
| 48 | + assert( |
| 49 | + resolveTokenThreshold(undefined, 1_000_000, 4_000) === 4_000, |
| 50 | + "undefined with default 4000 → 4000", |
| 51 | + ); |
| 52 | + assert( |
| 53 | + resolveTokenThreshold(undefined, 200_000, 20_000) === 20_000, |
| 54 | + "undefined with default 20000 → 20000", |
| 55 | + ); |
| 56 | + |
| 57 | + // 4. Invalid strings fall back to default |
| 58 | + console.log("\n4. Invalid strings fall back to default"); |
| 59 | + assert( |
| 60 | + resolveTokenThreshold("not-a-percent", 1_000_000, 4_000) === 4_000, |
| 61 | + "invalid string 'not-a-percent' → default 4000", |
| 62 | + ); |
| 63 | + assert( |
| 64 | + resolveTokenThreshold("40.5%", 1_000_000, 4_000) === 4_000, |
| 65 | + "invalid string '40.5%' (decimal) → default 4000", |
| 66 | + ); |
| 67 | + assert( |
| 68 | + resolveTokenThreshold("abc", 1_000_000, 4_000) === 4_000, |
| 69 | + "invalid string 'abc' → default 4000", |
| 70 | + ); |
| 71 | + assert(resolveTokenThreshold("", 1_000_000, 4_000) === 4_000, "empty string → default 4000"); |
| 72 | + |
| 73 | + // 5. Model-switch scaling scenario (the core use case) |
| 74 | + console.log("\n5. Model-switch scaling scenario"); |
| 75 | + const softThresholdConfig = "40%"; |
| 76 | + const deepseekContext = 1_000_000; |
| 77 | + const glmContext = 200_000; |
| 78 | + |
| 79 | + const deepseekTokens = resolveTokenThreshold(softThresholdConfig, deepseekContext, 4_000); |
| 80 | + const glmTokens = resolveTokenThreshold(softThresholdConfig, glmContext, 4_000); |
| 81 | + |
| 82 | + assert(deepseekTokens === 400_000, `DeepSeek 1M + "40%" → ${deepseekTokens} (40% of 1M)`); |
| 83 | + assert(glmTokens === 80_000, `GLM 200K + "40%" → ${glmTokens} (40% of 200K)`); |
| 84 | + assert( |
| 85 | + deepseekTokens === glmTokens * 5, |
| 86 | + "DeepSeek threshold = 5x GLM threshold for same percentage", |
| 87 | + ); |
| 88 | + |
| 89 | + console.log("\n=== All checks complete ==="); |
| 90 | +} |
| 91 | + |
| 92 | +main(); |
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