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108 lines
3.4 KiB
JavaScript
108 lines
3.4 KiB
JavaScript
// Copyright 2013 Lovell Fuller and others.
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// SPDX-License-Identifier: Apache-2.0
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'use strict';
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const assert = require('assert');
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const fs = require('fs');
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const sharp = require('../../lib');
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const fixtures = require('../fixtures');
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describe('failOn', () => {
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it('handles truncated JPEG', function (done) {
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sharp(fixtures.inputJpgTruncated, { failOn: 'none' })
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.resize(32, 24)
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.toBuffer(function (err, data, info) {
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if (err) throw err;
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assert.strictEqual('jpeg', info.format);
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assert.strictEqual(32, info.width);
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assert.strictEqual(24, info.height);
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fixtures.assertSimilar(fixtures.expected('truncated.jpg'), data, done);
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});
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});
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it('handles truncated PNG, emits warnings', function (done) {
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let isWarningEmitted = false;
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sharp(fixtures.inputPngTruncated, { failOn: 'none' })
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.on('warning', function (warning) {
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assert.ok(
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['read gave 2 warnings', 'not enough data', 'end of stream']
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.some(m => warning.includes(m)));
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isWarningEmitted = true;
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})
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.resize(32, 24)
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.toBuffer(function (err, data, info) {
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if (err) throw err;
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assert.strictEqual(true, isWarningEmitted);
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assert.strictEqual('png', info.format);
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assert.strictEqual(32, info.width);
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assert.strictEqual(24, info.height);
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done();
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});
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});
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it('throws for invalid options', () => {
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assert.throws(
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() => sharp({ failOn: 'zoinks' }),
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/Expected one of: none, truncated, error, warning for failOn but received zoinks of type string/
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);
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assert.throws(
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() => sharp({ failOn: 1 }),
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/Expected one of: none, truncated, error, warning for failOn but received 1 of type number/
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);
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});
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it('deprecated failOnError', () => {
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assert.doesNotThrow(
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() => sharp({ failOnError: true })
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);
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assert.doesNotThrow(
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() => sharp({ failOnError: false })
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);
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assert.throws(
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() => sharp({ failOnError: 'zoinks' }),
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/Expected boolean for failOnError but received zoinks of type string/
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);
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assert.throws(
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() => sharp({ failOnError: 1 }),
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/Expected boolean for failOnError but received 1 of type number/
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);
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});
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it('returns errors to callback for truncated JPEG', function (done) {
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sharp(fixtures.inputJpgTruncated, { failOn: 'truncated' }).toBuffer(function (err, data, info) {
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assert.ok(err.message.includes('VipsJpeg: Premature end of'), err);
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assert.strictEqual(data, undefined);
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assert.strictEqual(info, undefined);
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done();
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});
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});
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it('returns errors to callback for truncated PNG', function (done) {
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sharp(fixtures.inputPngTruncated, { failOn: 'truncated' }).toBuffer(function (err, data, info) {
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assert.ok(err.message.includes('read error'), err);
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assert.strictEqual(data, undefined);
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assert.strictEqual(info, undefined);
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done();
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});
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});
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it('rejects promises for truncated JPEG', function (done) {
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sharp(fixtures.inputJpgTruncated, { failOn: 'error' })
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.toBuffer()
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.then(() => {
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throw new Error('Expected rejection');
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})
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.catch(err => {
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done(err.message.includes('VipsJpeg: Premature end of') ? undefined : err);
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});
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});
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it('handles stream-based input', async () => {
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const writable = sharp({ failOn: 'none' }).resize(32, 24);
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fs.createReadStream(fixtures.inputJpgTruncated).pipe(writable);
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return writable.toBuffer();
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});
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});
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