github.com/pingcap/tiflow@v0.0.0-20240520035814-5bf52d54e205/dm/pkg/v1workermeta/meta_test.go (about)

     1  // Copyright 2020 PingCAP, Inc.
     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  // See the License for the specific language governing permissions and
    12  // limitations under the License.
    13  
    14  package v1workermeta
    15  
    16  import (
    17  	"path"
    18  	"testing"
    19  
    20  	. "github.com/pingcap/check"
    21  	"github.com/pingcap/tiflow/dm/config"
    22  	"github.com/pingcap/tiflow/dm/pb"
    23  	"github.com/pingcap/tiflow/dm/pkg/terror"
    24  	"github.com/syndtr/goleveldb/leveldb"
    25  )
    26  
    27  func TestSuite(t *testing.T) {
    28  	TestingT(t)
    29  }
    30  
    31  type testMeta struct{}
    32  
    33  var _ = Suite(&testMeta{})
    34  
    35  var (
    36  	testTask1 = &config.SubTaskConfig{
    37  		Name:     "task1",
    38  		SourceID: "replica-1",
    39  	}
    40  	testTask1Meta *pb.V1SubTaskMeta
    41  
    42  	testTask2 = &config.SubTaskConfig{
    43  		Name:     "task2",
    44  		SourceID: "replica-1",
    45  	}
    46  	testTask2Meta *pb.V1SubTaskMeta
    47  )
    48  
    49  func testSetUpDB(c *C) *leveldb.DB {
    50  	c.Assert(testTask1.Adjust(true), IsNil)
    51  	c.Assert(testTask2.Adjust(true), IsNil)
    52  
    53  	testTask1Str, err := testTask1.Toml()
    54  	c.Assert(err, IsNil)
    55  	testTask1Meta = &pb.V1SubTaskMeta{
    56  		Op:    pb.TaskOp_Start,
    57  		Name:  testTask1.Name,
    58  		Stage: pb.Stage_New,
    59  		Task:  []byte(testTask1Str),
    60  	}
    61  
    62  	testTask2Str, err := testTask2.Toml()
    63  	c.Assert(err, IsNil)
    64  	testTask2Meta = &pb.V1SubTaskMeta{
    65  		Op:    pb.TaskOp_Start,
    66  		Name:  testTask2.Name,
    67  		Stage: pb.Stage_New,
    68  		Task:  []byte(testTask2Str),
    69  	}
    70  
    71  	dir := c.MkDir()
    72  	dbDir := path.Join(dir, "kv")
    73  	db, err := openDB(dbDir, defaultKVConfig)
    74  	if err != nil {
    75  		c.Fatalf("fail to open leveldb %v", err)
    76  	}
    77  
    78  	return db
    79  }
    80  
    81  func (t *testMeta) TestNewMetaDB(c *C) {
    82  	db := testSetUpDB(c)
    83  	defer db.Close()
    84  
    85  	metaDB, err := newMeta(db)
    86  	c.Assert(err, IsNil)
    87  	c.Assert(metaDB.tasks, HasLen, 0)
    88  
    89  	// check nil db
    90  	metaDB, err = newMeta(nil)
    91  	c.Assert(terror.ErrWorkerLogInvalidHandler.Equal(err), IsTrue)
    92  	c.Assert(metaDB, IsNil)
    93  }
    94  
    95  func (t *testMeta) TestTask(c *C) {
    96  	db := testSetUpDB(c)
    97  	defer db.Close()
    98  
    99  	// set task meta
   100  	c.Assert(terror.ErrWorkerLogInvalidHandler.Equal(setTaskMeta(nil, nil)), IsTrue)
   101  	err := setTaskMeta(db, nil)
   102  	c.Assert(err, ErrorMatches, ".*empty task.*")
   103  
   104  	err = setTaskMeta(db, &pb.V1SubTaskMeta{})
   105  	c.Assert(err, ErrorMatches, ".*empty task.*")
   106  
   107  	c.Assert(setTaskMeta(db, testTask1Meta), IsNil)
   108  	c.Assert(setTaskMeta(db, testTask2Meta), IsNil)
   109  
   110  	// load task meta
   111  	metaDB, err := newMeta(db)
   112  	c.Assert(err, IsNil)
   113  	c.Assert(metaDB.tasks, DeepEquals, map[string]*pb.V1SubTaskMeta{
   114  		"task1": testTask1Meta,
   115  		"task2": testTask2Meta,
   116  	})
   117  
   118  	// delete task meta
   119  	c.Assert(deleteTaskMeta(db, "task1"), IsNil)
   120  
   121  	// load task meta
   122  	metaDB, err = newMeta(db)
   123  	c.Assert(err, IsNil)
   124  	c.Assert(metaDB.tasks, DeepEquals, map[string]*pb.V1SubTaskMeta{
   125  		"task2": testTask2Meta,
   126  	})
   127  
   128  	// delete task meta
   129  	c.Assert(deleteTaskMeta(db, "task2"), IsNil)
   130  
   131  	// load task meta
   132  	metaDB, err = newMeta(db)
   133  	c.Assert(err, IsNil)
   134  	c.Assert(metaDB.tasks, HasLen, 0)
   135  }