github.com/alibaba/sealer@v0.8.6-0.20220430115802-37a2bdaa8173/utils/mount/overlay2_test.go (about)

     1  // Copyright © 2021 Alibaba Group Holding Ltd.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  //go:build linux
    16  // +build linux
    17  
    18  package mount
    19  
    20  import "testing"
    21  
    22  func TestOverlay2_Mount(t *testing.T) {
    23  	type args struct {
    24  		target string
    25  		upper  string
    26  		layers []string
    27  	}
    28  
    29  	tests := []struct {
    30  		name string
    31  		args args
    32  	}{
    33  		{
    34  			name: "merged layer files to merged1",
    35  			args: args{
    36  				"../test/mount/overlay2/merged1",
    37  				"../test/mount/overlay2/upper",
    38  				[]string{"../test/mount/overlay2/lower1", "../test/mount/overlay2/lower2", "../test/mount/overlay2/lower3"},
    39  			},
    40  		},
    41  		{
    42  			name: "merged layer files to merged2",
    43  			args: args{
    44  				"../test/mount/overlay2/merged2",
    45  				"../test/mount/overlay2/upper",
    46  				[]string{"../test/mount/overlay2/lower1", "../test/mount/overlay2/lower2", "../test/mount/overlay2/lower3"},
    47  			},
    48  		},
    49  	}
    50  	for _, tt := range tests {
    51  		d := &Overlay2{}
    52  		t.Run(tt.name, func(t *testing.T) {
    53  			if err := d.Mount(tt.args.target, tt.args.upper, tt.args.layers...); err != nil {
    54  				t.Errorf("err %s, %s", tt.name, err)
    55  			} else {
    56  				if err := unmount(tt.args.target, 0); err != nil {
    57  					t.Errorf("err unmount %s, %s", tt.args.target, err)
    58  				}
    59  			}
    60  		})
    61  	}
    62  }
    63  func TestNewMountDriver(t *testing.T) {
    64  	if !supportsOverlay() {
    65  		t.Errorf("mountDriver isn't overlay")
    66  	}
    67  }