Added statfs test

fuse-native.c

@@ -223,10 +223,13 @@ static void populate_statvfs (uint32_t *ints, struct statvfs* statvfs) {
 
 // Methods
 
-FUSE_METHOD(statfs, 0, 1, (const char * path, struct statvfs *statvfs), {
+FUSE_METHOD(statfs, 1, 1, (const char * path, struct statvfs *statvfs), {
+    l->path = path;
     l->statvfs = statvfs;
   },
-  {},
+  {
+    napi_create_string_utf8(env, l->path, NAPI_AUTO_LENGTH, &(argv[2]));
+  },
   {
     NAPI_ARGV_BUFFER_CAST(uint32_t*, ints, 2)
     populate_statvfs(ints, l->statvfs);

index.js

@@ -300,11 +300,11 @@ class Fuse extends Nanoresource {
     })
   }
 
-  _op_statfs (signal) {
-    this.ops.statfs((err, statfs) => {
+  _op_statfs (signal, path) {
+    this.ops.statfs(path, (err, statfs) => {
       if (err) return signal(err)
       const arr = getStatfsArray(statfs)
-      return signal(null, [arr])
+      return signal(0, arr)
     })
   }
 

test/statfs.js

@@ -0,0 +1,37 @@
+const { exec } = require('child_process')
+var tape = require('tape')
+
+var Fuse = require('../')
+const mnt = require('./fixtures/mnt')
+const stat = require('./fixtures/stat')
+
+tape('statfs', function (t) {
+  const ops = {
+    force: true,
+    statfs: function (path, cb) {
+      return cb(0, {
+        bsize: 1000000,
+        frsize: 1000000,
+        blocks: 1000000,
+        bfree: 1000000,
+        bavail: 1000000,
+        files: 1000000,
+        ffree: 1000000,
+        favail: 1000000,
+        fsid: 1000000,
+        flag: 1000000,
+        namemax: 1000000
+      })
+    },
+  }
+  const fuse = new Fuse(mnt, ops, { debug: true })
+  fuse.mount(function (err) {
+    t.error(err, 'no error')
+    exec(`df ${mnt}`, (err) => {
+      t.error(err, 'no error')
+      fuse.unmount(function () {
+        t.end()
+      })
+    })
+  })
+})