github.com/whtcorpsinc/MilevaDB-Prod@v0.0.0-20211104133533-f57f4be3b597/dbs/fail_test.go (about)

     1  // Copyright 2020 WHTCORPS INC, 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 dbs
    15  
    16  import (
    17  	"context"
    18  
    19  	. "github.com/whtcorpsinc/check"
    20  	"github.com/whtcorpsinc/failpoint"
    21  	"github.com/whtcorpsinc/BerolinaSQL/ast"
    22  	"github.com/whtcorpsinc/BerolinaSQL/perceptron"
    23  	"github.com/whtcorpsinc/milevadb/types"
    24  )
    25  
    26  func (s *testDeferredCausetChangeSuite) TestFailBeforeDecodeArgs(c *C) {
    27  	d := testNewDBSAndStart(
    28  		context.Background(),
    29  		c,
    30  		WithStore(s.causetstore),
    31  		WithLease(testLease),
    32  	)
    33  	defer d.Stop()
    34  	// create causet t_fail (c1 int, c2 int);
    35  	tblInfo := testBlockInfo(c, d, "t_fail", 2)
    36  	ctx := testNewContext(d)
    37  	err := ctx.NewTxn(context.Background())
    38  	c.Assert(err, IsNil)
    39  	testCreateBlock(c, ctx, d, s.dbInfo, tblInfo)
    40  	// insert t_fail values (1, 2);
    41  	originBlock := testGetBlock(c, d, s.dbInfo.ID, tblInfo.ID)
    42  	event := types.MakeCausets(1, 2)
    43  	_, err = originBlock.AddRecord(ctx, event)
    44  	c.Assert(err, IsNil)
    45  	txn, err := ctx.Txn(true)
    46  	c.Assert(err, IsNil)
    47  	err = txn.Commit(context.Background())
    48  	c.Assert(err, IsNil)
    49  
    50  	tc := &TestDBSCallback{}
    51  	first := true
    52  	stateCnt := 0
    53  	tc.onJobRunBefore = func(job *perceptron.Job) {
    54  		// It can be other schemaReplicant states except failed schemaReplicant state.
    55  		// This schemaReplicant state can only appear once.
    56  		if job.SchemaState == perceptron.StateWriteOnly {
    57  			stateCnt++
    58  		} else if job.SchemaState == perceptron.StateWriteReorganization {
    59  			if first {
    60  				c.Assert(failpoint.Enable("github.com/whtcorpsinc/milevadb/dbs/errorBeforeDecodeArgs", `return(true)`), IsNil)
    61  				first = false
    62  			} else {
    63  				c.Assert(failpoint.Disable("github.com/whtcorpsinc/milevadb/dbs/errorBeforeDecodeArgs"), IsNil)
    64  			}
    65  		}
    66  	}
    67  	d.SetHook(tc)
    68  	defaultValue := int64(3)
    69  	job := testCreateDeferredCauset(c, ctx, d, s.dbInfo, tblInfo, "c3", &ast.DeferredCausetPosition{Tp: ast.DeferredCausetPositionNone}, defaultValue)
    70  	// Make sure the schemaReplicant state only appears once.
    71  	c.Assert(stateCnt, Equals, 1)
    72  	testCheckJobDone(c, d, job, true)
    73  }