mirror of
https://github.com/dolthub/dolt.git
synced 2026-04-20 19:31:56 -05:00
Aaron Son
121 lines
2.8 KiB
Go
121 lines
2.8 KiB
Go
// Copyright 2019 Dolthub, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package events
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import (
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"fmt"
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"path/filepath"
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"testing"
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"github.com/stretchr/testify/assert"
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"google.golang.org/protobuf/proto"
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eventsapi "github.com/dolthub/dolt/go/gen/proto/dolt/services/eventsapi/v1alpha1"
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"github.com/dolthub/dolt/go/libraries/utils/filesys"
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)
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type SequentialNamer struct {
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idx int
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}
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func NewSequentialNamer() *SequentialNamer {
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return &SequentialNamer{}
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}
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func (namer *SequentialNamer) Name(bytes []byte) string {
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namer.idx += 1
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name := fmt.Sprintf("%04d%s", namer.idx, evtDataExt)
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return name
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}
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func (namer *SequentialNamer) Check(data []byte, path string) (bool, error) {
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// todo
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return true, nil
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}
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func (namer *SequentialNamer) GetIdx() int {
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return namer.idx
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}
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func TestFBP(t *testing.T) {
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homeDir := "/home/"
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doltDir := filepath.Join(homeDir, ".tempDolt")
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eventsDataDir := filepath.Join(homeDir, doltDir, eventsDir)
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version := "1.0.0"
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tests := []struct {
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name string
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numEvents int
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}{
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{
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name: "Save 0 events",
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numEvents: 0,
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},
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{
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name: "Save 100 events",
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numEvents: 100,
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},
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{
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name: "Save 1000 events",
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numEvents: 1000,
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},
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}
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for _, test := range tests {
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t.Run(test.name, func(t *testing.T) {
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// implementation should support dolt filesys api
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fs := filesys.NewInMemFS([]string{eventsDataDir}, nil, eventsDataDir)
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sn := NewSequentialNamer()
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fbp := NewFileBackedProc(fs, homeDir, doltDir, sn.Name, sn.Check)
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ces := make([]*eventsapi.ClientEvent, 0)
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for i := 0; i < test.numEvents; i++ {
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ce := &eventsapi.ClientEvent{}
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ces = append(ces, ce)
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}
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assert.Equal(t, len(ces), test.numEvents)
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err := fbp.WriteEvents(version, ces)
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assert.Equal(t, err, nil)
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filename := fmt.Sprintf("%04d%s", sn.GetIdx(), evtDataExt)
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path := filepath.Join(eventsDataDir, filename)
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data, err := fs.ReadFile(path)
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if test.numEvents == 0 {
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// we expect no file to be written if events length is less than 1
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assert.NotNil(t, err)
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} else {
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// otherwise we should find the file and be able to parse it into a pb Message
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assert.Equal(t, err, nil)
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req := &eventsapi.LogEventsRequest{}
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err = proto.Unmarshal(data, req)
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assert.Equal(t, err, nil)
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assert.Equal(t, len(ces), len(req.Events))
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}
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})
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}
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}
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