48 lines
1.4 KiB
JavaScript
48 lines
1.4 KiB
JavaScript
import test from 'node:test';
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import assert from 'node:assert/strict';
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import {
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applySIPrefix,
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formatDisplayUnit,
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formatTableRowCell,
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getTableColumns,
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} from '../src/valueFormatting.ts';
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test('getTableColumns hides companion record-table unit columns', () => {
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const columns = getTableColumns([
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{
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grain_id: 1,
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area_m2: 2.5e-12,
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area_m2_unit: 'm^2',
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mean_height: 1.5e-9,
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mean_height_unit: 'm',
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bbox: '(0,0)-(2,2)',
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},
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]);
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assert.deepEqual(columns, ['grain_id', 'area_m2', 'mean_height', 'bbox']);
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});
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test('formatTableRowCell appends companion units inline for record-table values', () => {
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const row = {
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area_m2: 2.5e-12,
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area_m2_unit: 'm^2',
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mean_height: 1.5e-9,
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mean_height_unit: 'm',
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};
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assert.equal(formatTableRowCell(row, 'area_m2'), '2.5 um²');
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assert.equal(formatTableRowCell(row, 'mean_height'), '1.5 nm');
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});
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test('formatDisplayUnit renders exponent markers as superscripts', () => {
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assert.equal(formatDisplayUnit('px^2'), 'px²');
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assert.equal(formatDisplayUnit('(V)^2 m^2'), '(V)² m²');
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});
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test('applySIPrefix scales squared units using squared SI prefixes', () => {
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assert.deepEqual(applySIPrefix(3e-18, 'm^2'), { valueText: '3', unitText: 'nm²' });
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assert.deepEqual(applySIPrefix(3e-9, 'm^2'), { valueText: '3000', unitText: 'um²' });
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assert.deepEqual(applySIPrefix(144, 'px^2'), { valueText: '144', unitText: 'px²' });
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});
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