proc_ns_test.go

Documentation: github.com/prometheus/procfs

     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  
    14  package procfs
    15  
    16  import (
    17  	"testing"
    18  )
    19  
    20  func TestNewNamespaces(t *testing.T) {
    21  	p, err := getProcFixtures(t).Proc(26231)
    22  	if err != nil {
    23  		t.Fatal(err)
    24  	}
    25  
    26  	namespaces, err := p.Namespaces()
    27  	if err != nil {
    28  		t.Fatal(err)
    29  	}
    30  
    31  	expectedNamespaces := map[string]Namespace{
    32  		"mnt": {"mnt", 4026531840},
    33  		"net": {"net", 4026531993},
    34  	}
    35  
    36  	if want, have := len(expectedNamespaces), len(namespaces); want != have {
    37  		t.Errorf("want %d parsed namespaces, have %d", want, have)
    38  	}
    39  	for _, ns := range namespaces {
    40  		if want, have := expectedNamespaces[ns.Type], ns; want != have {
    41  			t.Errorf("%s: want %v, have %v", ns.Type, want, have)
    42  		}
    43  	}
    44  }
    45
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