compact_test.go

Documentation: github.com/go-kivik/kivik/v4/x/fsdb

     1  // Licensed under the Apache License, Version 2.0 (the "License"); you may not
     2  // use this file except in compliance with the License. You may obtain a copy of
     3  // the License at
     4  //
     5  //  http://www.apache.org/licenses/LICENSE-2.0
     6  //
     7  // Unless required by applicable law or agreed to in writing, software
     8  // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
     9  // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
    10  // License for the specific language governing permissions and limitations under
    11  // the License.
    12  
    13  package fs
    14  
    15  import (
    16  	"context"
    17  	"errors"
    18  	"net/http"
    19  	"os"
    20  	"path"
    21  	"path/filepath"
    22  	"runtime"
    23  	"testing"
    24  
    25  	"gitlab.com/flimzy/testy"
    26  
    27  	internal "github.com/go-kivik/kivik/v4/int/errors"
    28  	"github.com/go-kivik/kivik/v4/x/fsdb/filesystem"
    29  )
    30  
    31  const isGopherJS117 = runtime.GOARCH == "js"
    32  
    33  func TestCompact(t *testing.T) {
    34  	if isGopherJS117 {
    35  		t.Skip("Tests broken for GopherJS 1.17")
    36  	}
    37  	type tt struct {
    38  		fs     filesystem.Filesystem
    39  		path   string
    40  		dbname string
    41  		status int
    42  		err    string
    43  	}
    44  	tests := testy.NewTable()
    45  	tests.Add("directory does not exist", tt{
    46  		path:   "testdata",
    47  		dbname: "notfound",
    48  		status: http.StatusNotFound,
    49  		err:    "^open testdata/notfound: [Nn]o such file or directory$",
    50  	})
    51  	tests.Add("empty directory", func(t *testing.T) interface{} {
    52  		tmpdir := tempDir(t)
    53  		tests.Cleanup(func() error {
    54  			return os.RemoveAll(tmpdir)
    55  		})
    56  		if err := os.Mkdir(filepath.Join(tmpdir, "foo"), 0o666); err != nil {
    57  			t.Fatal(err)
    58  		}
    59  
    60  		return tt{
    61  			path:   tmpdir,
    62  			dbname: "foo",
    63  		}
    64  	})
    65  	tests.Add("permission denied", tt{
    66  		fs: &filesystem.MockFS{
    67  			OpenFunc: func(_ string) (filesystem.File, error) {
    68  				return nil, statusError{status: http.StatusForbidden, error: errors.New("permission denied")}
    69  			},
    70  		},
    71  		path:   "somepath",
    72  		dbname: "doesntmatter",
    73  		status: http.StatusForbidden,
    74  		err:    "permission denied$",
    75  	})
    76  	tests.Add("no attachments", func(t *testing.T) interface{} {
    77  		tmpdir := testy.CopyTempDir(t, "testdata/compact_noatt", 1)
    78  		tests.Cleanup(func() error {
    79  			return os.RemoveAll(tmpdir)
    80  		})
    81  
    82  		return tt{
    83  			path:   tmpdir,
    84  			dbname: "compact_noatt",
    85  		}
    86  	})
    87  	tests.Add("non-winning revs only, no attachments", func(t *testing.T) interface{} {
    88  		tmpdir := testy.CopyTempDir(t, "testdata/compact_nowinner_noatt", 1)
    89  		tests.Cleanup(func() error {
    90  			return os.RemoveAll(tmpdir)
    91  		})
    92  
    93  		return tt{
    94  			path:   tmpdir,
    95  			dbname: "compact_nowinner_noatt",
    96  		}
    97  	})
    98  	tests.Add("clean up old revs", func(t *testing.T) interface{} {
    99  		tmpdir := testy.CopyTempDir(t, "testdata/compact_oldrevs", 1)
   100  		tests.Cleanup(func() error {
   101  			return os.RemoveAll(tmpdir)
   102  		})
   103  
   104  		return tt{
   105  			path:   tmpdir,
   106  			dbname: "compact_oldrevs",
   107  		}
   108  	})
   109  	tests.Add("clean up old revs with atts", func(t *testing.T) interface{} {
   110  		tmpdir := testy.CopyTempDir(t, "testdata/compact_oldrevsatt", 1)
   111  		tests.Cleanup(func() error {
   112  			return os.RemoveAll(tmpdir)
   113  		})
   114  
   115  		return tt{
   116  			path:   tmpdir,
   117  			dbname: "compact_oldrevsatt",
   118  		}
   119  	})
   120  
   121  	tests.Run(t, func(t *testing.T, tt tt) {
   122  		fs := tt.fs
   123  		if fs == nil {
   124  			fs = filesystem.Default()
   125  		}
   126  		db := &db{
   127  			client: &client{root: tt.path},
   128  			dbPath: path.Join(tt.path, tt.dbname),
   129  			dbName: tt.dbname,
   130  		}
   131  		err := db.compact(context.Background(), fs)
   132  		if d := internal.StatusErrorDiffRE(tt.err, tt.status, err); d != "" {
   133  			t.Error(d)
   134  		}
   135  		if err != nil {
   136  			return
   137  		}
   138  		if d := testy.DiffAsJSON(testy.Snapshot(t), testy.JSONDir{
   139  			Path:        tt.path,
   140  			NoMD5Sum:    true,
   141  			FileContent: true,
   142  		}); d != nil {
   143  			t.Error(d)
   144  		}
   145  	})
   146  }
   147
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