cmdline_test.go

Documentation: github.com/prometheus/procfs

     1  // Copyright 2021 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  
    14  //go:build linux
    15  // +build linux
    16  
    17  package procfs
    18  
    19  import (
    20  	"testing"
    21  
    22  	"github.com/google/go-cmp/cmp"
    23  )
    24  
    25  func TestCmdline(t *testing.T) {
    26  	fs, err := NewFS(procTestFixtures)
    27  	if err != nil {
    28  		t.Fatal(err)
    29  	}
    30  
    31  	got, err := fs.CmdLine()
    32  	if err != nil {
    33  		t.Fatal(err)
    34  	}
    35  
    36  	want := []string{
    37  		"BOOT_IMAGE=/vmlinuz-5.11.0-22-generic",
    38  		"root=UUID=456a0345-450d-4f7b-b7c9-43e3241d99ad",
    39  		"ro",
    40  		"quiet",
    41  		"splash",
    42  		"vt.handoff=7",
    43  	}
    44  
    45  	if diff := cmp.Diff(want, got); diff != "" {
    46  		t.Fatalf("unexpected CmdLine (-want +got):\n%s", diff)
    47  	}
    48  }
    49
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