1// Copyright 2018 The Prometheus Authors
2// Licensed under the Apache License, Version 2.0 (the "License");
3// you may not use this file except in compliance with the License.
4// You may obtain a copy of the License at
5//
6// http://www.apache.org/licenses/LICENSE-2.0
7//
8// Unless required by applicable law or agreed to in writing, software
9// distributed under the License is distributed on an "AS IS" BASIS,
10// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
11// See the License for the specific language governing permissions and
12// limitations under the License.
13
14package procfs
15
16import "testing"
17
18const (
19	procTestFixtures = "fixtures/proc"
20)
21
22func TestNewFS(t *testing.T) {
23	if _, err := NewFS("foobar"); err == nil {
24		t.Error("want NewFS to fail for non-existing mount point")
25	}
26
27	if _, err := NewFS("procfs.go"); err == nil {
28		t.Error("want NewFS to fail if mount point is not a directory")
29	}
30	getProcFixtures(t)
31}
32
33func getProcFixtures(t *testing.T) FS {
34	fs, err := NewFS(procTestFixtures)
35	if err != nil {
36		t.Fatalf("Creating pseudo fs from getProcFixtures failed at fixtures/proc with error: %s", err)
37	}
38	return fs
39}
40