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test(renderer): clarify ascii-table alignment tests (left vs right)

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amitwh
2026-06-05 18:23:48 +05:30
parent 00d6802422
commit 53870d58bb
1 changed files with 18 additions and 4 deletions
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tests/unit/lib/ascii-table.test.ts
+18 -4
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@@ -15,16 +15,30 @@ describe('toAsciiTable', () => {
expect(toAsciiTable([])).toBe(''); expect(toAsciiTable([])).toBe('');
}); });
it('aligns numeric columns to the right', () => { it('left-aligns non-numeric columns', () => {
// With header 'Price' (starts with P, not digit), all columns are left-aligned. // With header 'Price' (starts with P, not digit), all columns are left-aligned.
// Price column width = 5 (from 'Price'), so '100' -> '100 ', '7' -> '7 '. // Col 0 width = max(4,1,2) = 4 (from 'Item'); col 1 width = max(5,3,1) = 5 (from 'Price').
const out = toAsciiTable([ const out = toAsciiTable([
['Item', 'Price'], ['Item', 'Price'],
['X', '100'], ['X', '100'],
['YY', '7'], ['YY', '7'],
]); ]);
expect(out).toContain('| 100 |'); expect(out).toContain('| X | 100 |');
expect(out).toContain('| 7 |'); expect(out).toContain('| YY | 7 |');
});
it('right-aligns all columns when any header starts with a digit', () => {
// Header '7' starts with a digit -> right-align all columns.
// Col 0 width = max(4,1,2) = 4 (from 'Item'); col 1 width = max(1,3,2) = 3 (from '100').
const out = toAsciiTable([
['Item', '7'],
['X', '100'],
['YY', '25'],
]);
// Right-aligned: "X" padStart(4) -> " X", "100" padStart(3) -> "100"
expect(out).toContain('| X | 100 |');
// Right-aligned: "YY" padStart(4) -> " YY", "25" padStart(3) -> " 25"
expect(out).toContain('| YY | 25 |');
}); });
}); });