139 lines
3.2 KiB
JavaScript
139 lines
3.2 KiB
JavaScript
const test = require('ava');
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const Blob = require('.');
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const getStream = require('get-stream');
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const {Response} = require('node-fetch');
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const {TextDecoder} = require('util');
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test('new Blob()', t => {
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const blob = new Blob(); // eslint-disable-line no-unused-vars
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t.pass();
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});
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test('new Blob(parts)', t => {
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const data = 'a=1';
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const blob = new Blob([data]); // eslint-disable-line no-unused-vars
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t.pass();
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});
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test('Blob ctor parts', async t => {
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const parts = [
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'a',
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new Uint8Array([98]),
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new Uint16Array([25699]),
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new Uint8Array([101]).buffer,
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Buffer.from('f'),
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new Blob(['g']),
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{}
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];
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const blob = new Blob(parts);
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t.is(await blob.text(), 'abcdefg[object Object]');
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});
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test('Blob size', t => {
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const data = 'a=1';
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const blob = new Blob([data]);
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t.is(blob.size, data.length);
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});
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test('Blob type', t => {
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const type = 'text/plain';
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const blob = new Blob([], {type});
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t.is(blob.type, type);
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});
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test('Blob slice type', t => {
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const type = 'text/plain';
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const blob = new Blob().slice(0, 0, type);
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t.is(blob.type, type);
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});
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test('invalid Blob type', t => {
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const blob = new Blob([], {type: '\u001Ftext/plain'});
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t.is(blob.type, '');
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});
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test('invalid Blob slice type', t => {
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const blob = new Blob().slice(0, 0, '\u001Ftext/plain');
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t.is(blob.type, '');
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});
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test('Blob text()', async t => {
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const data = 'a=1';
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const type = 'text/plain';
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const blob = new Blob([data], {type});
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t.is(await blob.text(), data);
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});
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test('Blob arrayBuffer()', async t => {
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const data = 'a=1';
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const type = 'text/plain';
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const blob = new Blob([data], {type});
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const decoder = new TextDecoder('utf-8');
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const buffer = await blob.arrayBuffer();
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t.is(decoder.decode(buffer), data);
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});
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test('Blob stream()', async t => {
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const data = 'a=1';
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const type = 'text/plain';
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const blob = new Blob([data], {type});
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const result = await getStream(blob.stream());
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t.is(result, data);
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});
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test('Blob toString()', t => {
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const data = 'a=1';
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const type = 'text/plain';
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const blob = new Blob([data], {type});
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t.is(blob.toString(), '[object Blob]');
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});
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test('Blob slice()', async t => {
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const data = 'abcdefgh';
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const blob = new Blob([data]).slice();
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t.is(await blob.text(), data);
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});
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test('Blob slice(0, 1)', async t => {
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const data = 'abcdefgh';
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const blob = new Blob([data]).slice(0, 1);
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t.is(await blob.text(), 'a');
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});
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test('Blob slice(-1)', async t => {
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const data = 'abcdefgh';
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const blob = new Blob([data]).slice(-1);
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t.is(await blob.text(), 'h');
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});
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test('Blob slice(0, -1)', async t => {
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const data = 'abcdefgh';
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const blob = new Blob([data]).slice(0, -1);
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t.is(await blob.text(), 'abcdefg');
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});
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test('throw away unwanted parts', async t => {
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const blob = new Blob(['a', 'b', 'c']).slice(1, 2);
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t.is(await blob.text(), 'b');
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});
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test('Blob works with node-fetch Response.blob()', async t => {
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const data = 'a=1';
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const type = 'text/plain';
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const blob = new Blob([data], {type});
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const response = new Response(blob);
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const blob2 = await response.blob();
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t.is(await blob2.text(), data);
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});
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test('Blob works with node-fetch Response.text()', async t => {
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const data = 'a=1';
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const type = 'text/plain';
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const blob = new Blob([data], {type});
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const response = new Response(blob);
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const text = await response.text();
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t.is(text, data);
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});
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