1// Copyright 2019 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
18func TestProcEnviron(t *testing.T) {
19	p, err := getProcFixtures(t).Proc(26231)
20	if err != nil {
21		t.Fatal(err)
22	}
23
24	environments, err := p.Environ()
25	if err != nil {
26		t.Fatal(err)
27	}
28
29	expectedEnvironments := []string{
30		"PATH=/go/bin:/usr/local/go/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
31		"HOSTNAME=cd24e11f73a5",
32		"TERM=xterm",
33		"GOLANG_VERSION=1.12.5",
34		"GOPATH=/go",
35		"HOME=/root",
36	}
37
38	if want, have := len(expectedEnvironments), len(environments); want != have {
39		t.Errorf("want %d parsed environments, have %d", want, have)
40	}
41
42	for i, environment := range environments {
43		if want, have := expectedEnvironments[i], environment; want != have {
44			t.Errorf("%d: want %v, have %v", i, want, have)
45		}
46	}
47}
48