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| var assert = require('assert'); |
| var dataUriToBuffer = require('../'); |
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| describe('data-uri-to-buffer', function () { |
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| it('should decode bare-bones Data URIs', function () { |
| var uri = 'data:,Hello%2C%20World!'; |
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| var buf = dataUriToBuffer(uri); |
| assert.equal('text/plain', buf.type); |
| assert.equal('text/plain;charset=US-ASCII', buf.typeFull); |
| assert.equal('US-ASCII', buf.charset); |
| assert.equal('Hello, World!', buf.toString()); |
| }); |
|
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| it('should decode bare-bones "base64" Data URIs', function () { |
| var uri = 'data:text/plain;base64,SGVsbG8sIFdvcmxkIQ%3D%3D'; |
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| var buf = dataUriToBuffer(uri); |
| assert.equal('text/plain', buf.type); |
| assert.equal('Hello, World!', buf.toString()); |
| }); |
|
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| it('should decode plain-text Data URIs', function () { |
| var html = '<!DOCTYPE html>'+ |
| '<html lang="en">'+ |
| '<head><title>Embedded Window</title></head>'+ |
| '<body><h1>42</h1></body>'+ |
| '</html>'; |
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| var uri = 'data:text/html;charset=utf-8,' + encodeURIComponent(html); |
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| var buf = dataUriToBuffer(uri); |
| assert.equal('text/html', buf.type); |
| assert.equal('utf-8', buf.charset); |
| assert.equal(html, buf.toString()); |
| }); |
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| it('should decode "ISO-8859-8 in Base64" URIs', function () { |
| var uri = 'data:text/plain;charset=iso-8859-8-i;base64,+ezl7Q=='; |
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| var buf = dataUriToBuffer(uri); |
| assert.equal('text/plain', buf.type); |
| assert.equal('iso-8859-8-i', buf.charset); |
| assert.equal(4, buf.length); |
| assert.equal(0xf9, buf[0]); |
| assert.equal(0xec, buf[1]); |
| assert.equal(0xe5, buf[2]); |
| assert.equal(0xed, buf[3]); |
| }); |
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| it('should decode "ISO-8859-8 in URL-encoding" URIs', function () { |
| var uri = 'data:text/plain;charset=iso-8859-8-i,%f9%ec%e5%ed'; |
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| var buf = dataUriToBuffer(uri); |
| assert.equal('text/plain', buf.type); |
| assert.equal('iso-8859-8-i', buf.charset); |
| assert.equal(4, buf.length); |
| assert.equal(0xf9, buf[0]); |
| assert.equal(0xec, buf[1]); |
| assert.equal(0xe5, buf[2]); |
| assert.equal(0xed, buf[3]); |
| }); |
|
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| it('should decode "UTF-8 in Base64" URIs', function () { |
| var uri = 'data:text/plain;charset=UTF-8;base64,16nXnNeV150='; |
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| var buf = dataUriToBuffer(uri); |
| assert.equal('text/plain', buf.type); |
| assert.equal('UTF-8', buf.charset); |
| assert.equal(8, buf.length); |
| assert.equal('שלום', buf.toString('utf8')); |
| }); |
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| it('should decode "UTF-8 in URL-encoding" URIs', function () { |
| var uri = 'data:text/plain;charset=UTF-8,%d7%a9%d7%9c%d7%95%d7%9d'; |
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| var buf = dataUriToBuffer(uri); |
| assert.equal('text/plain', buf.type); |
| assert.equal('UTF-8', buf.charset); |
| assert.equal(8, buf.length); |
| assert.equal('שלום', buf.toString('utf8')); |
| }); |
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| it('should decode "base64" Data URIs with newlines', function () { |
| var uri = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUA\n' + |
| 'AAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38GIAXDIBKE0DHxgljNBAAO\n' + |
| '9TXL0Y4OHwAAAABJRU5ErkJggg=='; |
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| var buf = dataUriToBuffer(uri); |
| assert.equal('image/png', buf.type); |
| assert.equal('iVBORw0KGgoAAAANSUhEUgAAAAUA' + |
| 'AAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38GIAXDIBKE0DHxgljNBAAO' + |
| '9TXL0Y4OHwAAAABJRU5ErkJggg==', buf.toString('base64')); |
| }); |
|
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| it('should decode a plain-text URI with a space character in it', function () { |
| var uri = 'data:,foo bar'; |
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| var buf = dataUriToBuffer(uri); |
| assert.equal('text/plain', buf.type); |
| assert.equal('foo bar', buf.toString()); |
| }); |
|
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| it('should decode data with a "," comma char', function () { |
| var uri = 'data:,a,b'; |
| var buf = dataUriToBuffer(uri); |
| assert.equal('text/plain', buf.type); |
| assert.equal('a,b', buf.toString()); |
| }); |
|
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| it('should decode data with traditionally reserved characters like ";"', function () { |
| var uri = 'data:,;test'; |
| var buf = dataUriToBuffer(uri); |
| assert.equal('text/plain', buf.type); |
| assert.equal(';test', buf.toString()); |
| }); |
|
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| it('should not default to US-ASCII if main type is provided', function () { |
| var uri = 'data:text/plain,abc'; |
| var buf = dataUriToBuffer(uri); |
| assert.equal('text/plain', buf.type); |
| assert.equal('text/plain', buf.typeFull); |
| assert.equal('', buf.charset); |
| assert.equal('abc', buf.toString()); |
| }); |
|
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| it('should default to text/plain if main type is not provided', function () { |
| var uri = 'data:;charset=UTF-8,abc'; |
| var buf = dataUriToBuffer(uri); |
| assert.equal('text/plain', buf.type); |
| assert.equal('text/plain;charset=UTF-8', buf.typeFull); |
| assert.equal('UTF-8', buf.charset); |
| assert.equal('abc', buf.toString()); |
| }); |
|
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| it('should not allow charset without a leading ;', function () { |
| var uri = 'data:charset=UTF-8,abc'; |
| var buf = dataUriToBuffer(uri); |
| assert.equal('charset=UTF-8', buf.type); |
| assert.equal('charset=UTF-8', buf.typeFull); |
| assert.equal('', buf.charset); |
| assert.equal('abc', buf.toString()); |
| }); |
|
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| it('should allow custom media type parameters', function () { |
| var uri = 'data:application/javascript;version=1.8;charset=UTF-8,abc'; |
| var buf = dataUriToBuffer(uri); |
| assert.equal('application/javascript', buf.type); |
| assert.equal('application/javascript;version=1.8;charset=UTF-8', buf.typeFull); |
| assert.equal('UTF-8', buf.charset); |
| assert.equal('abc', buf.toString()); |
| }); |
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| it('should allow base64 annotation anywhere', function () { |
| var uri = 'data:text/plain;base64;charset=UTF-8,YWJj'; |
| var buf = dataUriToBuffer(uri); |
| assert.equal('text/plain', buf.type); |
| assert.equal('text/plain;charset=UTF-8', buf.typeFull); |
| assert.equal('UTF-8', buf.charset); |
| assert.equal('abc', buf.toString()); |
| }); |
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|
| }); |
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