k8s.io/kubernetes@v1.29.3/pkg/kubelet/util/store/filestore_test.go (about)

     1  /*
     2  Copyright 2017 The Kubernetes Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package store
    18  
    19  import (
    20  	"sort"
    21  	"testing"
    22  
    23  	"github.com/stretchr/testify/assert"
    24  	"github.com/stretchr/testify/require"
    25  	"k8s.io/kubernetes/pkg/util/filesystem"
    26  )
    27  
    28  func TestFileStore(t *testing.T) {
    29  	store, err := NewFileStore("/FileStore", filesystem.NewTempFs())
    30  	assert.NoError(t, err)
    31  	testStore(t, store)
    32  }
    33  
    34  func testStore(t *testing.T, store Store) {
    35  	testCases := []struct {
    36  		key       string
    37  		data      string
    38  		expectErr bool
    39  	}{
    40  		{
    41  			"id1",
    42  			"data1",
    43  			false,
    44  		},
    45  		{
    46  			"id2",
    47  			"data2",
    48  			false,
    49  		},
    50  		{
    51  			"/id1",
    52  			"data1",
    53  			true,
    54  		},
    55  		{
    56  			".id1",
    57  			"data1",
    58  			true,
    59  		},
    60  		{
    61  			"   ",
    62  			"data2",
    63  			true,
    64  		},
    65  		{
    66  			"___",
    67  			"data2",
    68  			true,
    69  		},
    70  	}
    71  
    72  	// Test add data.
    73  	for _, c := range testCases {
    74  		t.Log("test case: ", c)
    75  		_, err := store.Read(c.key)
    76  		assert.Error(t, err)
    77  
    78  		err = store.Write(c.key, []byte(c.data))
    79  		if c.expectErr {
    80  			assert.Error(t, err)
    81  			continue
    82  		}
    83  
    84  		require.NoError(t, err)
    85  		// Test read data by key.
    86  		data, err := store.Read(c.key)
    87  		require.NoError(t, err)
    88  		assert.Equal(t, string(data), c.data)
    89  	}
    90  
    91  	// Test list keys.
    92  	keys, err := store.List()
    93  	assert.NoError(t, err)
    94  	sort.Strings(keys)
    95  	assert.Equal(t, keys, []string{"id1", "id2"})
    96  
    97  	// Test Delete data
    98  	for _, c := range testCases {
    99  		if c.expectErr {
   100  			continue
   101  		}
   102  
   103  		err = store.Delete(c.key)
   104  		require.NoError(t, err)
   105  		_, err = store.Read(c.key)
   106  		assert.EqualValues(t, ErrKeyNotFound, err)
   107  	}
   108  
   109  	// Test delete non-existent key.
   110  	err = store.Delete("id1")
   111  	assert.NoError(t, err)
   112  
   113  	// Test list keys.
   114  	keys, err = store.List()
   115  	require.NoError(t, err)
   116  	assert.Equal(t, len(keys), 0)
   117  }