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amitwh
f71aa2b097
Widen height bound to 3-12 so the spec-named figlet fonts fit: - Isometric1, Isometric2, Isometric3, Isometric4 (h=11) - Calvin S (h=3) Previously these were substituted with height-compliant alternatives (Small Isometric1, Banner3-D, Henry 3D, Small Poison, Modular). Restoring the spec-named fonts preserves the product intent: 4 distinct isometric projections and the calvin-and-hobbes-style Calvin S font. Amit Haridas
81 lines
2.4 KiB
JavaScript
81 lines
2.4 KiB
JavaScript
/**
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* @jest-environment node
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*
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* Per-font snapshot tests for the 17 hand-coded ASCII art fonts. Snapshots
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* are the safety net that catches drift when the font tables are hand-edited.
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* Line endings are normalized to \n and trailing whitespace is trimmed so
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* editor auto-trim does not produce spurious diffs.
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*/
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const AsciiArtFonts = require('../../src/main/AsciiArt.fonts');
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const FONT_IDS = Object.freeze([
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// 5 existing
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'standard',
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'banner',
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'block',
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'bubble',
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'digital',
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// 12 new
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'big',
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'small',
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'lean',
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'slant',
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'isometric1',
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'isometric2',
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'isometric3',
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'isometric4',
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'three-d',
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'three-x-five',
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'ansi-shadow',
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'calvin-s',
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]);
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const normalize = (s) => s.replace(/\r\n/g, '\n').replace(/[ \t]+\n/g, '\n');
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describe('AsciiArt.fonts table shape', () => {
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test.each(FONT_IDS)('%s has height and chars for A-Z 0-9 and space', (id) => {
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const font = AsciiArtFonts.HAND_CODED_FONTS[id];
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expect(font).toBeDefined();
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expect(typeof font.height).toBe('number');
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expect(font.height).toBeGreaterThanOrEqual(3);
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expect(font.height).toBeLessThanOrEqual(12);
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expect(typeof font.chars).toBe('object');
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for (const ch of 'ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789 '.split('')) {
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expect(font.chars[ch]).toBeDefined();
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expect(font.chars[ch]).toHaveLength(font.height);
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for (const line of font.chars[ch]) {
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expect(typeof line).toBe('string');
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}
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}
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});
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});
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describe('AsciiArt.fonts HELLO snapshot per font', () => {
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test.each(FONT_IDS)('%s', (id) => {
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const font = AsciiArtFonts.HAND_CODED_FONTS[id];
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const lines = Array(font.height).fill('');
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for (const ch of 'HELLO') {
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const glyph = font.chars[ch] || font.chars[' '];
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for (let i = 0; i < font.height; i++) lines[i] += glyph[i];
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}
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expect(normalize(lines.join('\n'))).toMatchSnapshot();
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});
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});
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describe('AsciiArt.fonts edge cases', () => {
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test('unknown character falls back to space glyph (preserves column width)', () => {
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const font = AsciiArtFonts.HAND_CODED_FONTS.standard;
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const fallback = font.chars[' '];
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const unknown = font.chars['é'];
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expect(unknown).toEqual(fallback);
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});
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test('all digit glyphs exist for standard', () => {
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const font = AsciiArtFonts.HAND_CODED_FONTS.standard;
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for (const d of '0123456789') {
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expect(font.chars[d]).toBeDefined();
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expect(font.chars[d]).toHaveLength(font.height);
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}
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});
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});
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