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65 lines
2.1 KiB
65 lines
2.1 KiB
const tape = require('tape')
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const fs = require('fs')
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const path = require('path')
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const concat = require('concat-stream')
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const Fuse = require('../')
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const mnt = require('./fixtures/mnt')
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const stat = require('./fixtures/stat')
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const { unmount } = require('./helpers')
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tape('read', function (t) {
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var ops = {
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force: true,
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readdir: function (path, cb) {
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if (path === '/') return process.nextTick(cb, null, ['test'])
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return process.nextTick(cb, Fuse.ENOENT)
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},
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getattr: function (path, cb) {
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if (path === '/') return process.nextTick(cb, null, stat({ mode: 'dir', size: 4096 }))
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if (path === '/test') return process.nextTick(cb, null, stat({ mode: 'file', size: 11 }))
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return process.nextTick(cb, Fuse.ENOENT)
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},
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open: function (path, flags, cb) {
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return process.nextTick(cb, 0, 42)
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},
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release: function (path, fd, cb) {
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t.same(fd, 42, 'fd was passed to release')
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return process.nextTick(cb, 0)
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},
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read: function (path, fd, buf, len, pos, cb) {
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var str = 'hello world'.slice(pos, pos + len)
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if (!str) return process.nextTick(cb, 0)
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buf.write(str)
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return process.nextTick(cb, str.length)
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}
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}
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const fuse = new Fuse(mnt, ops, { debug: true })
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fuse.mount(function (err) {
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t.error(err, 'no error')
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fs.readFile(path.join(mnt, 'test'), function (err, buf) {
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t.error(err, 'no error')
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t.same(buf, Buffer.from('hello world'), 'read file')
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fs.readFile(path.join(mnt, 'test'), function (err, buf) {
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t.error(err, 'no error')
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t.same(buf, Buffer.from('hello world'), 'read file again')
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fs.createReadStream(path.join(mnt, 'test'), { start: 0, end: 4 }).pipe(concat(function (buf) {
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t.same(buf, Buffer.from('hello'), 'partial read file')
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fs.createReadStream(path.join(mnt, 'test'), { start: 6, end: 10 }).pipe(concat(function (buf) {
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t.same(buf, Buffer.from('world'), 'partial read file + start offset')
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unmount(fuse, function () {
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t.end()
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})
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}))
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}))
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})
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})
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})
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})
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