94 lines
2.0 KiB
TypeScript
94 lines
2.0 KiB
TypeScript
import { step } from "../step";
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import { around4 } from "../point";
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import { createEmptyGrid, setColor, getColor } from "../grid";
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it("should move snake", () => {
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const grid = createEmptyGrid(4, 3);
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const snake = [{ x: 1, y: 1 }];
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const direction = around4[0];
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const stack: number[] = [];
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const options = { maxSnakeLength: 5 };
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step(grid, snake, stack, direction, options);
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expect(snake).toEqual([
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{ x: 2, y: 1 },
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{ x: 1, y: 1 },
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]);
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step(grid, snake, stack, direction, options);
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expect(snake).toEqual([
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{ x: 3, y: 1 },
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{ x: 2, y: 1 },
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{ x: 1, y: 1 },
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]);
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step(grid, snake, stack, direction, options);
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expect(snake).toEqual([
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{ x: 4, y: 1 },
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{ x: 3, y: 1 },
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{ x: 2, y: 1 },
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{ x: 1, y: 1 },
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]);
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});
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it("should move short snake", () => {
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const grid = createEmptyGrid(8, 3);
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const snake = [{ x: 1, y: 1 }];
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const direction = around4[0];
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const stack: number[] = [];
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const options = { maxSnakeLength: 3 };
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step(grid, snake, stack, direction, options);
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expect(snake).toEqual([
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{ x: 2, y: 1 },
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{ x: 1, y: 1 },
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]);
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step(grid, snake, stack, direction, options);
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expect(snake).toEqual([
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{ x: 3, y: 1 },
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{ x: 2, y: 1 },
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{ x: 1, y: 1 },
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]);
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step(grid, snake, stack, direction, options);
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expect(snake).toEqual([
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{ x: 4, y: 1 },
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{ x: 3, y: 1 },
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{ x: 2, y: 1 },
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]);
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step(grid, snake, stack, direction, options);
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expect(snake).toEqual([
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{ x: 5, y: 1 },
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{ x: 4, y: 1 },
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{ x: 3, y: 1 },
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]);
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});
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it("should pick up fruit", () => {
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const grid = createEmptyGrid(4, 3);
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const snake = [{ x: 1, y: 1 }];
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const direction = around4[0];
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const stack: number[] = [];
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const options = { maxSnakeLength: 2 };
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setColor(grid, 3, 1, 9);
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step(grid, snake, stack, direction, options);
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expect(getColor(grid, 3, 1)).toBe(9);
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expect(stack).toEqual([]);
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step(grid, snake, stack, direction, options);
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expect(getColor(grid, 3, 1)).toBe(null);
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expect(stack).toEqual([9]);
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});
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