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quanticsoul4772andClaude Opus 5.5
603f428397
OpenSky, the default civil feed, reports no operator or type code, so a breakdown by either put every aircraft under unknown while the summary said nothing. The summary now says "no operator reported" in that case, and otherwise appends the unknown count after the largest groups. Co-Authored-By: Claude Opus 5.5 <[email protected]>
89 lines
2.5 KiB
JavaScript
89 lines
2.5 KiB
JavaScript
import assert from 'node:assert/strict';
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import test from 'node:test';
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import {
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MAX_GROUPS,
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breakdown,
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breakdownPhrase,
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numericSummary,
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} from './results.js';
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test('a breakdown counts every row, case-insensitively, largest first', () => {
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const rows = [
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{ operator: 'Delta' },
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{ operator: 'United' },
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{ operator: ' delta ' },
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{ operator: null },
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{ operator: '' },
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{ operator: 'American' },
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{ operator: 'United' },
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{ operator: 'DELTA' },
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];
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assert.deepEqual(breakdown(rows, 'operator'), {
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field: 'operator',
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groups: [
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{ value: 'Delta', count: 3 },
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{ value: 'United', count: 2 },
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{ value: 'American', count: 1 },
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],
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other_count: 0,
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unknown_count: 2,
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});
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});
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test('groups past the limit are counted as other', () => {
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const rows = Array.from({ length: MAX_GROUPS + 3 }, (_, index) => ({
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type: `T${String(index).padStart(2, '0')}`,
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}));
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rows.push({ type: 'T00' });
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const result = breakdown(rows, 'type');
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assert.equal(result.groups.length, MAX_GROUPS);
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assert.deepEqual(result.groups[0], { value: 'T00', count: 2 });
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assert.equal(result.other_count, 3);
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assert.equal(
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result.groups.reduce((total, group) => total + group.count, 0) +
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result.other_count +
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result.unknown_count,
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rows.length,
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);
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});
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test('a numeric summary skips missing values', () => {
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const rows = [{ v: 4 }, { v: null }, { v: 1 }, { v: 10 }, { v: 3 }, {}];
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assert.deepEqual(numericSummary(rows, 'v'), {
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count: 4,
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min: 1,
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median: 3.5,
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mean: 4.5,
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max: 10,
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});
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assert.equal(numericSummary([{ v: 2 }, { v: 7 }, { v: 5 }], 'v').median, 5);
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assert.equal(numericSummary([{ v: null }], 'v'), null);
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assert.equal(numericSummary([], 'v'), null);
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});
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test('the breakdown phrase names the three largest groups', () => {
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const result = {
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unknown_count: 0,
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groups: [
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{ value: 'A', count: 4 },
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{ value: 'B', count: 3 },
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{ value: 'C', count: 2 },
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{ value: 'D', count: 1 },
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],
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};
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assert.equal(
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breakdownPhrase(result, 'type'),
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'; most by type: A (4), B (3), C (2)',
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);
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assert.equal(
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breakdownPhrase({ ...result, unknown_count: 5 }, 'type'),
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'; most by type: A (4), B (3), C (2); 5 unknown',
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);
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// A feed that never reports the field says so instead of staying silent.
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assert.equal(
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breakdownPhrase({ groups: [], unknown_count: 236 }, 'operator'),
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'; no operator reported',
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);
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assert.equal(breakdownPhrase({ groups: [], unknown_count: 0 }, 'type'), '');
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});
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