51 lines
2.2 KiB
JavaScript
51 lines
2.2 KiB
JavaScript
import test from 'node:test'
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import assert from 'node:assert/strict'
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import { scoreTextSimilarity } from '#tofu/tools/text/scoreTextSimilarity.js'
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test('scores an exact match, accents and case aside, at 1', () => {
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assert.equal(scoreTextSimilarity('crepes', 'Crêpes'), 1)
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assert.equal(scoreTextSimilarity('GNOCCHIS À LA SAUGE', 'Gnocchis à la sauge'), 1)
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})
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test('scores an empty or blank query at 0', () => {
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assert.equal(scoreTextSimilarity('', 'Gnocchis à la sauge'), 0)
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assert.equal(scoreTextSimilarity(' ', 'Gnocchis à la sauge'), 0)
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assert.equal(scoreTextSimilarity(null, 'Gnocchis à la sauge'), 0)
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})
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test('scores an empty candidate at 0', () => {
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assert.equal(scoreTextSimilarity('gnocchis', ''), 0)
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assert.equal(scoreTextSimilarity('gnocchis', null), 0)
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})
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test('ranks prefix above containment above approximation', () => {
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const prefix = scoreTextSimilarity('gnocchis', 'Gnocchis à la sauge')
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const contains = scoreTextSimilarity('sauge', 'Gnocchis à la sauge')
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const approximate = scoreTextSimilarity('knoci', 'gnocchis')
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assert.ok(prefix > contains, `prefix ${prefix} should beat contains ${contains}`)
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assert.ok(prefix > 0.9 && prefix < 1)
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assert.equal(contains, 0.75)
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assert.ok(contains > approximate, `contains ${contains} should beat approximate ${approximate}`)
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})
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test('gives a longer prefix a higher score than a shorter one', () => {
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const short = scoreTextSimilarity('gno', 'Gnocchis à la sauge')
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const long = scoreTextSimilarity('gnocchis a la', 'Gnocchis à la sauge')
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assert.ok(long > short, `${long} should beat ${short}`)
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})
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test('keeps a misspelled query close to its word', () => {
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const misspelled = scoreTextSimilarity('knoci', 'gnocchis')
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assert.ok(misspelled >= 0.2, `${misspelled} should stay above the suggestion threshold`)
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assert.ok(misspelled < 0.75)
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})
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test('scores unrelated texts far below the suggestion threshold', () => {
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assert.ok(scoreTextSimilarity('knoci', 'Poulet rôti') < 0.2)
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assert.equal(scoreTextSimilarity('xyz', 'Crêpes'), 0)
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})
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test('stays within 0 and 1 when the query is longer than the candidate', () => {
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const score = scoreTextSimilarity('gnocchis a la sauge maison', 'Gnocchis à la sauge')
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assert.ok(score > 0 && score <= 1, `${score} should stay within 0 and 1`)
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})
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