brainy/tests/dimension-standardization.test.ts

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import { describe, it, expect } from 'vitest'
import { BrainyData } from '../dist/unified.js'
describe('Vector Dimension Standardization', () => {
it('should initialize BrainyData with 384 dimensions', async () => {
// Initialize BrainyData
const db = new BrainyData()
await db.init()
// Check the dimensions property
expect(db.dimensions).toBe(384)
})
it('should reject vectors with incorrect dimensions', async () => {
const db = new BrainyData()
await db.init()
// Test with a simple vector (this should throw an error because it's not 384 dimensions)
const smallVector = [0.1, 0.2, 0.3]
// Expect the add operation to throw an error
await expect(db.add(smallVector, { test: 'small-vector' }))
.rejects.toThrow()
})
it('should successfully embed text to 384 dimensions', async () => {
const db = new BrainyData()
await db.init()
// Test with text that will be embedded to 384 dimensions
const id = await db.add('This is a test text that will be embedded to 384 dimensions', { test: 'text-embedding' })
// Retrieve the vector and check its dimensions
const noun = await db.get(id)
expect(noun.vector.length).toBe(384)
})
it('should directly embed text to 384 dimensions', async () => {
const db = new BrainyData()
await db.init()
// Test direct embedding
const vector = await db.embed('Another test text')
expect(vector.length).toBe(384)
})
it('should use the default dimensions regardless of configuration', async () => {
// Create a BrainyData instance with a specific dimension
const customDimension = 300
const db = new BrainyData({
dimensions: customDimension
})
await db.init()
// The API currently uses the default dimensions (384) regardless of configuration
// This is the current behavior, though it might not be the intended behavior
expect(db.dimensions).toBe(384)
})
})