72 lines
2.7 KiB
JavaScript
72 lines
2.7 KiB
JavaScript
// Page wiring test: drives the VM methods extracted from index.ux.
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const fs = require('node:fs');
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const vm = require('node:vm');
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const assert = require('node:assert/strict');
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const snake = require('../src/common/snake.js');
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const ux = fs.readFileSync('src/pages/index/index.ux', 'utf8');
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const body = ux.match(/<script>([\s\S]*?)<\/script>/)[1]
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.replace(/import\s+snake\s+from\s+'[^']*';?/, '')
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.replace(/^const\s+\w+\s*=[^\n]*\n/gm, '')
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.replace('export default', '');
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const sandbox = { snake, Date, Math, String, Number, console, setInterval: () => 0, clearInterval: () => {},
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CELL: 20, GRID: 16, OFFSET: 73 };
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vm.createContext(sandbox);
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const spec = vm.runInContext('(' + body + ')', sandbox);
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function mk() {
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const o = Object.assign({}, spec, JSON.parse(JSON.stringify(spec.private)));
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o.$element = () => null;
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spec.onInit.call(o);
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return o;
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}
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let c = mk();
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assert.equal(c.model.length, 3, 'initialized to length 3');
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assert.equal(c.snake.length, 3, 'rendered 3 segments');
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assert.match(c.snake[0].src, /head_e\.png$/, 'head texture');
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assert.match(c.snake[1].src, /body_h\.png$/, 'body texture');
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assert.match(c.snake[2].src, /tail_w\.png$/, 'tail texture');
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assert.equal(c.scoreText, 'SCORE 0');
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assert.equal(c.snake[0].left, (73 + 6 * 20) + 'px', 'head x mapped to px');
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for (let i = 0; i < 5; i++) c.tick();
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assert.equal(c.model[0].x, 11, 'head moved right 5 steps from x=6');
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assert.equal(c.over, false);
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c.onSwipe({ direction: 'down' });
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c.tick();
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assert.equal(c.dir.x, 0, 'dir x');
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assert.equal(c.dir.y, 1, 'direction turned down');
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assert.equal(c.model[0].y, 8, 'head moved down');
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assert.match(c.snake[0].src, /head_s\.png$/, 'head faces south after turn');
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c.onSwipe({ direction: 'up' });
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c.tick();
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assert.equal(c.dir.x, 0, 'reversal keeps x');
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assert.equal(c.dir.y, 1, 'reversal blocked');
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// run into the wall to trigger game over (GRID=16, last column x=15)
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c.model = [{ x: 15, y: 5 }, { x: 14, y: 5 }, { x: 13, y: 5 }];
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c.dir = { x: 1, y: 0 };
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c.pending = null;
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c.tick();
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assert.equal(c.over, true, 'game over on wall hit');
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c.restart();
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assert.equal(c.over, false);
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assert.equal(c.model.length, 3);
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assert.equal(c.scoreText, 'SCORE 0');
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// template uses image components for textures + documented directives/events
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assert.match(ux, /<image class="board" src="\/common\/tex\/board\.png">/);
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assert.match(ux, /<image class="seg" src="\{\{ seg\.src \}\}"/);
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assert.match(ux, /for="\{\{ seg in snake \}\}"/);
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assert.match(ux, /show="\{\{ over \}\}"/);
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assert.match(ux, /onswipe="onSwipe"/);
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assert.doesNotMatch(ux, /crownrotationchanged/i);
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assert.doesNotMatch(ux, /transform\s*:/);
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console.log('PAGE WIRING PASS (textures, movement, turn, reversal, game over, restart, directives)');
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