ubdate

node_modules/jpegtran-bin/test/test.js

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+'use strict';
+const fs = require('fs');
+const path = require('path');
+const test = require('ava');
+const execa = require('execa');
+const tempy = require('tempy');
+const binCheck = require('bin-check');
+const binBuild = require('bin-build');
+const compareSize = require('compare-size');
+const jpegtran = require('..');
+
+test('rebuild the jpegtran binaries', async t => {
+	const tmp = tempy.directory();
+	const cfg = [
+		'./configure --disable-shared',
+		`--prefix="${tmp}" --bindir="${tmp}"`
+	].join(' ');
+
+	await binBuild.url('https://downloads.sourceforge.net/project/libjpeg-turbo/1.5.1/libjpeg-turbo-1.5.1.tar.gz', [
+		cfg,
+		'make install'
+	]);
+
+	t.true(fs.existsSync(path.join(tmp, 'jpegtran')));
+});
+
+test('return path to binary and verify that it is working', async t => {
+	t.true(await binCheck(jpegtran, ['-version']));
+});
+
+test('minify a JPG', async t => {
+	const tmp = tempy.directory();
+	const src = path.join(__dirname, 'fixtures/test.jpg');
+	const dest = path.join(tmp, 'test.jpg');
+	const args = [
+		'-outfile',
+		dest,
+		src
+	];
+
+	await execa(jpegtran, args);
+	const res = await compareSize(src, dest);
+
+	t.true(res[dest] < res[src]);
+});