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v0.5: CLI terminal QR frontend + tests + deploy to /qr-transfer/
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Hermes Agent
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/**
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* Tests for the CLI terminal QR rasterizer.
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*
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* Verifies that the terminal rasterizer correctly renders boolean QR matrices
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* as half-block Unicode art, that the encoder pipeline produces valid QR data,
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* and the end-to-end CLI pipeline works (without actually clearing the screen).
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*/
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import { describe, it, expect } from 'vitest';
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describe('Terminal Rasterizer', () => {
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it('should render a simple 2×2 matrix', async () => {
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const { renderToTerminal } = await import('@/cli/terminal_raster');
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// 2×2 matrix: all dark
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const matrix = [
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[true, true],
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[true, true],
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];
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const lines = renderToTerminal(matrix);
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// 2 rows → 1 terminal line (two QR rows per terminal row)
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expect(lines.length).toBe(1);
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// both QR rows dark → ██
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expect(lines[0]).toBe('\u2588\u2588');
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});
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it('should render mixed 4×4 matrix', async () => {
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const { renderToTerminal } = await import('@/cli/terminal_raster');
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const matrix = [
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[true, false, true, false],
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[false, true, false, true],
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[true, true, false, false],
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[false, false, true, true],
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];
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const lines = renderToTerminal(matrix);
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expect(lines.length).toBe(2); // 4 QR rows → 2 terminal rows
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// Row 0: top=TG, bottom=FB for each column
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// Col 0: top=true, bottom=false → ▀ (U+2580)
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expect(lines[0]![0]).toBe('\u2580');
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// Col 1: top=false, bottom=true → ▄ (U+2584)
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expect(lines[0]![1]).toBe('\u2584');
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// Col 2: top=true, bottom=false → ▀
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expect(lines[0]![2]).toBe('\u2580');
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// Col 3: top=false, bottom=true → ▄
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expect(lines[0]![3]).toBe('\u2584');
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// Row 1: top=row2[TG], bottom=row3[FB]
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// Col 0: top=true, bottom=false → ▀
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expect(lines[1]![0]).toBe('\u2580');
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// Col 1: top=true, bottom=false → ▀
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expect(lines[1]![1]).toBe('\u2580');
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// Col 2: top=false, bottom=true → ▄
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expect(lines[1]![2]).toBe('\u2584');
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// Col 3: top=false, bottom=true → ▄
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expect(lines[1]![3]).toBe('\u2584');
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});
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it('should handle odd number of QR rows', async () => {
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const { renderToTerminal } = await import('@/cli/terminal_raster');
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// 3×3 matrix — odd number of rows
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const matrix = [
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[true, false, true],
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[false, true, false],
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[true, false, true],
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];
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const lines = renderToTerminal(matrix);
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expect(lines.length).toBe(2); // 3 QR rows → 2 terminal rows
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// Row 0: QR rows 0+1
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expect(lines[0]!.length).toBe(3);
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// Row 1: QR row 2 + bottom=false (out of bounds)
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expect(lines[1]!.length).toBe(3);
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// Col 0: top=true, bottom=false → ▀
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expect(lines[1]![0]).toBe('\u2580');
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// Col 1: top=false, bottom=false → ' '
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expect(lines[1]![1]).toBe(' ');
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// Col 2: top=true, bottom=false → ▀
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expect(lines[1]![2]).toBe('\u2580');
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});
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it('should render an all-white matrix', async () => {
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const { renderToTerminal } = await import('@/cli/terminal_raster');
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const matrix = [
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[false, false],
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[false, false],
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];
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const lines = renderToTerminal(matrix);
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expect(lines.length).toBe(1);
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expect(lines[0]).toBe(' '); // space + space
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});
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it('should render a full-block matrix', async () => {
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const { renderToTerminal } = await import('@/cli/terminal_raster');
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const matrix = [
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[true, true],
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[true, true],
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];
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const lines = renderToTerminal(matrix);
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expect(lines.length).toBe(1);
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expect(lines[0]).toBe('\u2588\u2588'); // full block + full block
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});
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});
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describe('CLI Screen Helpers', () => {
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it('should produce escape sequences', async () => {
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const { clearScreen } = await import('@/cli/terminal_raster');
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// Just check it writes to stdout without throwing
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expect(typeof clearScreen).toBe('function');
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});
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it('should produce cursor visibility sequences', async () => {
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const { hideCursor, showCursor } = await import('@/cli/terminal_raster');
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expect(typeof hideCursor).toBe('function');
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expect(typeof showCursor).toBe('function');
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});
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});
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describe('CLI Encoder Pipeline', () => {
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it('should produce the same frames as the web app (reuse common logic)', async () => {
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const { packetize } = await import('@/core/sender/packetizer');
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const { scheduleFrames } = await import('@/core/sender/scheduler');
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const { generateQRMatrix } = await import('@/core/qr/qr_encode');
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const { QR_VERSION, ECC_LEVEL } = await import('@/core/protocol/constants');
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const { parseHeader } = await import('@/core/protocol/packet');
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// Use >64 bytes so compression is actually triggered (packetizer skips small payloads)
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const data = new TextEncoder().encode('CLI test payload for verifying protocol reuse. '.repeat(3));
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const result = packetize(data, false, true);
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const ordered = scheduleFrames(result.packets, result.totalGenerations);
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const genIndices = ordered.map((pkt) => parseHeader(pkt).generationIndex);
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// Same protocol as web app: frames with meta info
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for (const pkt of ordered) {
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const matrix = generateQRMatrix(pkt, QR_VERSION, ECC_LEVEL);
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// Each matrix should be square (V10 = 57×57)
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expect(matrix.length).toBe(57);
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expect(matrix[0]!.length).toBe(57);
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}
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// All generation indices in range
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expect(genIndices.every((g) => g >= 0 && g < result.totalGenerations)).toBe(true);
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expect(result.isCompressed).toBe(true);
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expect(result.dataLength).toBeGreaterThan(0);
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});
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});
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describe('CLI Frame Cycle', () => {
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it('should loop through frames deterministically', async () => {
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const { packetize } = await import('@/core/sender/packetizer');
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const { scheduleFrames } = await import('@/core/sender/scheduler');
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const data = new TextEncoder().encode('Frame cycle test — small payload');
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const result = packetize(data, false, false);
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const ordered = scheduleFrames(result.packets, result.totalGenerations);
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// Frame sequence should be consistent
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expect(ordered.length).toBe(result.packets.length);
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// Simulate looping: collect frame indices over 3 full cycles
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const totalFrames = ordered.length;
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const frameSequence: number[] = [];
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for (let i = 0; i < totalFrames * 3; i++) {
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frameSequence.push(i % totalFrames);
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}
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// Should see each frame multiple times
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const uniqueIndices = new Set(frameSequence);
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expect(uniqueIndices.size).toBe(totalFrames);
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expect(frameSequence.length).toBe(totalFrames * 3);
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});
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it('should generate valid QR matrix for every scheduled frame', async () => {
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const { packetize } = await import('@/core/sender/packetizer');
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const { scheduleFrames } = await import('@/core/sender/scheduler');
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const { generateQRMatrix } = await import('@/core/qr/qr_encode');
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const { QR_VERSION, ECC_LEVEL } = await import('@/core/protocol/constants');
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const data = new TextEncoder().encode('Every frame QR test — medium payload');
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const result = packetize(data, false, true);
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const ordered = scheduleFrames(result.packets, result.totalGenerations);
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// Every packet should produce a valid QR matrix
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for (const pkt of ordered) {
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const matrix = generateQRMatrix(pkt, QR_VERSION, ECC_LEVEL);
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expect(matrix.length).toBe(57);
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expect(matrix[0]!.length).toBe(57);
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// At least one dark module (QR codes always have finder patterns)
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const hasDark = matrix.some((row) => row.some((cell) => cell));
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expect(hasDark).toBe(true);
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}
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});
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});
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describe('CLI Input Parsing', () => {
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it('should read file from argument and produce frames', async () => {
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// This tests the buildFrames function logic directly
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const { packetize } = await import('@/core/sender/packetizer');
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const { scheduleFrames } = await import('@/core/sender/scheduler');
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const { parseHeader } = await import('@/core/protocol/packet');
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// Simulate reading a file
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const fileData = new TextEncoder().encode('file content test');
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const result = packetize(fileData, true, false);
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const ordered = scheduleFrames(result.packets, result.totalGenerations);
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const genIndices = ordered.map((pkt) => parseHeader(pkt).generationIndex);
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expect(ordered.length).toBeGreaterThan(0);
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expect(result.isText).toBe(true);
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expect(result.isCompressed).toBe(false);
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expect(result.dataLength).toBe(fileData.length);
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expect(genIndices.length).toBe(ordered.length);
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});
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it('should handle empty input gracefully and provide error message', () => {
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// The main function checks for empty data and exits with error
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// We test the condition directly
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const data = new Uint8Array(0);
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expect(data.length).toBe(0);
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});
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});
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