github.com/cs3org/reva/v2@v2.27.7/pkg/storage/utils/filelocks/filelocks_internal_test.go (about)

     1  // Copyright 2018-2021 CERN
     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  // In applying this license, CERN does not waive the privileges and immunities
    16  // granted to it by virtue of its status as an Intergovernmental Organization
    17  // or submit itself to any jurisdiction.
    18  
    19  package filelocks
    20  
    21  import (
    22  	"os"
    23  	"testing"
    24  
    25  	"github.com/stretchr/testify/assert"
    26  )
    27  
    28  func TestAcquireReadLock_Errors(t *testing.T) {
    29  	l1, err := acquireLock("", false)
    30  	assert.Nil(t, l1)
    31  	assert.Equal(t, err, ErrPathEmpty)
    32  
    33  	file, fin, _ := FileFactory()
    34  	defer fin()
    35  
    36  	l2, err := acquireLock(file, false)
    37  	assert.NotNil(t, l2)
    38  	assert.Nil(t, err)
    39  
    40  	l3, err := acquireLock(file, false)
    41  	assert.Nil(t, l3)
    42  	assert.Equal(t, err, ErrAcquireLockFailed)
    43  }
    44  
    45  // utils
    46  
    47  func FileFactory() (string, func(), error) {
    48  	fu := func() {}
    49  	tmpFile, err := os.CreateTemp(os.TempDir(), "flock")
    50  	if err != nil {
    51  		return "", fu, err
    52  	}
    53  
    54  	fu = func() {
    55  		_ = os.Remove(tmpFile.Name())
    56  	}
    57  
    58  	err = tmpFile.Close()
    59  	if err != nil {
    60  		return "", fu, err
    61  	}
    62  
    63  	return tmpFile.Name(), fu, err
    64  }