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b36237ddcb
Uses the recommended rules apart from complexity/useArrowFunction, which would affect about 1700 lines of code with little benefit right now. This is something that can be addressed over time.
53 lines
1.1 KiB
JavaScript
53 lines
1.1 KiB
JavaScript
// Copyright 2013 Lovell Fuller and others.
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// SPDX-License-Identifier: Apache-2.0
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const assert = require('node:assert');
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const sharp = require('../../');
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const row = [0, 3, 15, 63, 127, 255];
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const input = Buffer.from(Array.from(row, () => row).flat());
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const raw = {
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width: 6,
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height: 6,
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channels: 1
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};
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describe('Median filter', function () {
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it('default window (3x3)', async () => {
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const data = await sharp(input, { raw })
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.median()
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.toColourspace('b-w')
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.raw()
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.toBuffer();
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assert.deepStrictEqual(data.subarray(0, 6), Buffer.from(row));
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});
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it('3x3 window', async () => {
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const data = await sharp(input, { raw })
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.median(3)
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.toColourspace('b-w')
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.raw()
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.toBuffer();
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assert.deepStrictEqual(data.subarray(0, 6), Buffer.from(row));
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});
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it('5x5 window', async () => {
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const data = await sharp(input, { raw })
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.median(5)
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.toColourspace('b-w')
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.raw()
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.toBuffer();
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assert.deepStrictEqual(data.subarray(0, 6), Buffer.from(row));
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});
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it('invalid radius', () => {
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assert.throws(() => {
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sharp().median(0.1);
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});
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});
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});
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