init flow works, getattr fails

test/fixtures/mnt.js

@@ -0,0 +1,13 @@
+var os = require('os')
+var path = require('path')
+var fs = require('fs')
+
+var mnt = path.join(os.tmpdir(), 'fuse-bindings-' + process.pid + '-' + Date.now())
+
+try {
+  fs.mkdirSync(mnt)
+} catch (err) {
+  // do nothing
+}
+
+module.exports = mnt

test/fixtures/stat.js

@@ -0,0 +1,11 @@
+module.exports = function (st) {
+  return {
+    mtime: st.mtime || new Date(),
+    atime: st.atime || new Date(),
+    ctime: st.ctime || new Date(),
+    size: st.size !== undefined ? st.size : 0,
+    mode: st.mode === 'dir' ? 16877 : (st.mode === 'file' ? 33188 : (st.mode === 'link' ? 41453 : st.mode)),
+    uid: st.uid !== undefined ? st.uid : process.getuid(),
+    gid: st.gid !== undefined ? st.gid : process.getgid()
+  }
+}

test/links.js

@@ -0,0 +1,62 @@
+var mnt = require('./fixtures/mnt')
+var stat = require('./fixtures/stat')
+var fuse = require('../')
+var tape = require('tape')
+var fs = require('fs')
+var path = require('path')
+
+tape('readlink', function (t) {
+  var ops = {
+    force: true,
+    readdir: function (path, cb) {
+      if (path === '/') return cb(null, ['hello', 'link'])
+      return cb(fuse.ENOENT)
+    },
+    readlink: function (path, cb) {
+      cb(0, 'hello')
+    },
+    getattr: function (path, cb) {
+      if (path === '/') return cb(null, stat({ mode: 'dir', size: 4096 }))
+      if (path === '/hello') return cb(null, stat({ mode: 'file', size: 11 }))
+      if (path === '/link') return cb(null, stat({ mode: 'link', size: 5 }))
+      return cb(fuse.ENOENT)
+    },
+    open: function (path, flags, cb) {
+      cb(0, 42)
+    },
+    read: function (path, fd, buf, len, pos, cb) {
+      var str = 'hello world'.slice(pos, pos + len)
+      if (!str) return cb(0)
+      buf.write(str)
+      return cb(str.length)
+    }
+  }
+
+  fuse.mount(mnt, ops, function (err) {
+    t.error(err, 'no error')
+
+    fs.lstat(path.join(mnt, 'link'), function (err, stat) {
+      t.error(err, 'no error')
+      t.same(stat.size, 5, 'correct size')
+
+      fs.stat(path.join(mnt, 'hello'), function (err, stat) {
+        t.error(err, 'no error')
+        t.same(stat.size, 11, 'correct size')
+
+        fs.readlink(path.join(mnt, 'link'), function (err, dest) {
+          t.error(err, 'no error')
+          t.same(dest, 'hello', 'link resolves')
+
+          fs.readFile(path.join(mnt, 'link'), function (err, buf) {
+            t.error(err, 'no error')
+            t.same(buf, new Buffer('hello world'), 'can read link content')
+
+            fuse.unmount(mnt, function () {
+              t.end()
+            })
+          })
+        })
+      })
+    })
+  })
+})

test/misc.js

@@ -0,0 +1,43 @@
+var mnt = require('./fixtures/mnt')
+var fuse = require('../')
+var tape = require('tape')
+
+tape('mount', function (t) {
+  fuse.mount(mnt, { force: true }, function (err) {
+    t.error(err, 'no error')
+    t.ok(true, 'works')
+    fuse.unmount(mnt, function () {
+      t.end()
+    })
+  })
+})
+
+tape('mount + unmount + mount', function (t) {
+  fuse.mount(mnt, { force: true }, function (err) {
+    t.error(err, 'no error')
+    t.ok(true, 'works')
+    fuse.unmount(mnt, function () {
+      fuse.mount(mnt, { force: true }, function (err) {
+        t.error(err, 'no error')
+        t.ok(true, 'works')
+        fuse.unmount(mnt, function () {
+          t.end()
+        })
+      })
+    })
+  })
+})
+
+tape('mnt point must exist', function (t) {
+  fuse.mount(mnt + '.does-not-exist', {}, function (err) {
+    t.ok(err, 'had error')
+    t.end()
+  })
+})
+
+tape('mnt point must be directory', function (t) {
+  fuse.mount(__filename, {}, function (err) {
+    t.ok(err, 'had error')
+    t.end()
+  })
+})

test/read.js

@@ -0,0 +1,64 @@
+const tape = require('tape')
+const fs = require('fs')
+const path = require('path')
+const concat = require('concat-stream')
+
+const Fuse = require('../')
+const mnt = require('./fixtures/mnt')
+const stat = require('./fixtures/stat')
+
+tape('read', function (t) {
+  var ops = {
+    force: true,
+    readdir: function (path, cb) {
+      if (path === '/') return cb(null, ['test'])
+      return cb(fuse.ENOENT)
+    },
+    getattr: function (path, cb) {
+      if (path === '/') return cb(null, stat({ mode: 'dir', size: 4096 }))
+      if (path === '/test') return cb(null, stat({ mode: 'file', size: 11 }))
+      return cb(fuse.ENOENT)
+    },
+    open: function (path, flags, cb) {
+      cb(0, 42)
+    },
+    release: function (path, fd, cb) {
+      t.same(fd, 42, 'fd was passed to release')
+      cb(0)
+    },
+    read: function (path, fd, buf, len, pos, cb) {
+      var str = 'hello world'.slice(pos, pos + len)
+      if (!str) return cb(0)
+      buf.write(str)
+      return cb(str.length)
+    }
+  }
+
+  const fuse = new Fuse(mnt, ops, { debug: true })
+
+  fuse.mount(function (err) {
+    t.error(err, 'no error')
+
+    fs.readFile(path.join(mnt, 'test'), function (err, buf) {
+      t.error(err, 'no error')
+      t.same(buf, new Buffer('hello world'), 'read file')
+
+      fs.readFile(path.join(mnt, 'test'), function (err, buf) {
+        t.error(err, 'no error')
+        t.same(buf, new Buffer('hello world'), 'read file again')
+
+        fs.createReadStream(path.join(mnt, 'test'), { start: 0, end: 4 }).pipe(concat(function (buf) {
+          t.same(buf, new Buffer('hello'), 'partial read file')
+
+          fs.createReadStream(path.join(mnt, 'test'), { start: 6, end: 10 }).pipe(concat(function (buf) {
+            t.same(buf, new Buffer('world'), 'partial read file + start offset')
+
+            fuse.unmount(mnt, function () {
+              t.end()
+            })
+          }))
+        }))
+      })
+    })
+  })
+})

test/write.js

@@ -0,0 +1,54 @@
+var mnt = require('./fixtures/mnt')
+var stat = require('./fixtures/stat')
+var fuse = require('../')
+var tape = require('tape')
+var fs = require('fs')
+var path = require('path')
+
+tape('write', function (t) {
+  var created = false
+  var data = new Buffer(1024)
+  var size = 0
+
+  var ops = {
+    force: true,
+    readdir: function (path, cb) {
+      if (path === '/') return cb(null, created ? ['hello'] : [])
+      return cb(fuse.ENOENT)
+    },
+    truncate: function (path, size, cb) {
+      cb(0)
+    },
+    getattr: function (path, cb) {
+      if (path === '/') return cb(null, stat({ mode: 'dir', size: 4096 }))
+      if (path === '/hello' && created) return cb(null, stat({ mode: 'file', size: size }))
+      return cb(fuse.ENOENT)
+    },
+    create: function (path, flags, cb) {
+      t.ok(!created, 'file not created yet')
+      created = true
+      cb(0, 42)
+    },
+    release: function (path, fd, cb) {
+      cb(0)
+    },
+    write: function (path, fd, buf, len, pos, cb) {
+      buf.slice(0, len).copy(data, pos)
+      size = Math.max(pos + len, size)
+      cb(buf.length)
+    }
+  }
+
+  fuse.mount(mnt, ops, function (err) {
+    t.error(err, 'no error')
+
+    fs.writeFile(path.join(mnt, 'hello'), 'hello world', function (err) {
+      t.error(err, 'no error')
+      t.same(data.slice(0, size), new Buffer('hello world'), 'data was written')
+
+      fuse.unmount(mnt, function () {
+        t.end()
+      })
+    })
+  })
+})