test for #71

test/chown-er-ok.js

@@ -0,0 +1,53 @@
+var t = require('tap')
+var realFs = require('fs')
+
+var methods = ['chown', 'chownSync', 'chmod', 'chmodSync']
+methods.forEach(function (method) {
+  causeErr(method, realFs[method])
+})
+
+function causeErr (method, original) {
+  realFs[method] = function (path) {
+    var err = makeErr(path, method)
+    if (!/Sync$/.test(method)) {
+      var cb = arguments[arguments.length - 1]
+      process.nextTick(cb.bind(null, err))
+    } else {
+      throw err
+    }
+  }
+}
+
+function makeErr (path, method) {
+  var err = new Error('this is fine')
+  err.syscall = method.replace(/Sync$/, '')
+  err.code = path.toUpperCase()
+  return err
+}
+
+var fs = require('../')
+
+var errs = ['ENOSYS', 'EINVAL', 'EPERM']
+t.plan(errs.length * methods.length)
+
+errs.forEach(function (err) {
+  methods.forEach(function (method) {
+    var args = [err]
+    if (/chmod/.test(method)) {
+      args.push('some mode')
+    } else {
+      args.push('some uid', 'some gid')
+    }
+
+    if (method.match(/Sync$/)) {
+      t.doesNotThrow(function () {
+        fs[method].apply(fs, args)
+      })
+    } else {
+      args.push(function (err) {
+        t.notOk(err)
+      })
+      fs[method].apply(fs, args)
+    }
+  })
+})