github.com/matrixorigin/matrixone@v1.2.0/pkg/fileservice/replaceable_file_service_test.go (about)

     1  // Copyright 2022 Matrix Origin
     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  package fileservice
    16  
    17  import (
    18  	"context"
    19  	"testing"
    20  
    21  	"github.com/stretchr/testify/assert"
    22  )
    23  
    24  func testReplaceableFileService(
    25  	t *testing.T,
    26  	newFS func() ReplaceableFileService,
    27  ) {
    28  
    29  	ctx := context.Background()
    30  	fs := newFS()
    31  	err := fs.Write(ctx, IOVector{
    32  		FilePath: "foo",
    33  		Entries: []IOEntry{
    34  			{
    35  				Size: 4,
    36  				Data: []byte("abcd"),
    37  			},
    38  		},
    39  	})
    40  	assert.Nil(t, err)
    41  
    42  	err = fs.Replace(ctx, IOVector{
    43  		FilePath: "foo",
    44  		Entries: []IOEntry{
    45  			{
    46  				Size: 2,
    47  				Data: []byte("cd"),
    48  			},
    49  		},
    50  	})
    51  	assert.Nil(t, err)
    52  
    53  	vec := &IOVector{
    54  		FilePath: "foo",
    55  		Entries: []IOEntry{
    56  			{
    57  				Size: -1,
    58  			},
    59  		},
    60  	}
    61  	err = fs.Read(ctx, vec)
    62  	assert.Nil(t, err)
    63  
    64  	assert.Equal(t, 2, len(vec.Entries[0].Data))
    65  
    66  	ctx, cancel := context.WithCancel(context.Background())
    67  	cancel()
    68  	err = fs.Replace(ctx, IOVector{})
    69  	assert.ErrorIs(t, err, context.Canceled)
    70  
    71  }