forked from mongodb/mongo-go-driver
/
testrunner_operation.go
360 lines (325 loc) · 11.8 KB
/
testrunner_operation.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
// Copyright (C) MongoDB, Inc. 2017-present.
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may
// not use this file except in compliance with the License. You may obtain
// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
package unified
import (
"context"
"fmt"
"strings"
"go.mongodb.org/mongo-driver/bson"
"go.mongodb.org/mongo-driver/mongo"
"go.mongodb.org/mongo-driver/mongo/integration/mtest"
"go.mongodb.org/mongo-driver/x/bsonx/bsoncore"
"go.mongodb.org/mongo-driver/x/mongo/driver/session"
)
type loopArgs struct {
Operations []*operation `bson:"operations"`
ErrorsEntityID string `bson:"storeErrorsAsEntity"`
FailuresEntityID string `bson:"storeFailuresAsEntity"`
SuccessesEntityID string `bson:"storeSuccessesAsEntity"`
IterationsEntityID string `bson:"storeIterationsAsEntity"`
}
func (lp *loopArgs) errorsStored() bool {
return lp.ErrorsEntityID != ""
}
func (lp *loopArgs) failuresStored() bool {
return lp.FailuresEntityID != ""
}
func (lp *loopArgs) successesStored() bool {
return lp.SuccessesEntityID != ""
}
func (lp *loopArgs) iterationsStored() bool {
return lp.IterationsEntityID != ""
}
func executeTestRunnerOperation(ctx context.Context, operation *operation, loopDone <-chan struct{}) error {
args := operation.Arguments
switch operation.Name {
case "failPoint":
clientID := lookupString(args, "client")
client, err := entities(ctx).client(clientID)
if err != nil {
return err
}
fpDoc := args.Lookup("failPoint").Document()
if err := mtest.SetRawFailPoint(fpDoc, client.Client); err != nil {
return err
}
return addFailPoint(ctx, fpDoc.Index(0).Value().StringValue(), client.Client)
case "targetedFailPoint":
sessID := lookupString(args, "session")
sess, err := entities(ctx).session(sessID)
if err != nil {
return err
}
clientSession := extractClientSession(sess)
if clientSession.PinnedServer == nil {
return fmt.Errorf("session is not pinned to a server")
}
targetHost := clientSession.PinnedServer.Addr.String()
fpDoc := args.Lookup("failPoint").Document()
commandFn := func(ctx context.Context, client *mongo.Client) error {
return mtest.SetRawFailPoint(fpDoc, client)
}
if err := runCommandOnHost(ctx, targetHost, commandFn); err != nil {
return err
}
return addTargetedFailPoint(ctx, fpDoc.Index(0).Value().StringValue(), targetHost)
case "assertSessionTransactionState":
sessID := lookupString(args, "session")
sess, err := entities(ctx).session(sessID)
if err != nil {
return err
}
var expectedState session.TransactionState
switch stateStr := lookupString(args, "state"); stateStr {
case "none":
expectedState = session.None
case "starting":
expectedState = session.Starting
case "in_progress":
expectedState = session.InProgress
case "committed":
expectedState = session.Committed
case "aborted":
expectedState = session.Aborted
default:
return fmt.Errorf("unrecognized session state type %q", stateStr)
}
if actualState := extractClientSession(sess).TransactionState; actualState != expectedState {
return fmt.Errorf("expected session state %q does not match actual state %q", expectedState, actualState)
}
return nil
case "assertSessionPinned":
return verifySessionPinnedState(ctx, lookupString(args, "session"), true)
case "assertSessionUnpinned":
return verifySessionPinnedState(ctx, lookupString(args, "session"), false)
case "assertSameLsidOnLastTwoCommands":
return verifyLastTwoLsidsEqual(ctx, lookupString(args, "client"), true)
case "assertDifferentLsidOnLastTwoCommands":
return verifyLastTwoLsidsEqual(ctx, lookupString(args, "client"), false)
case "assertSessionDirty":
return verifySessionDirtyState(ctx, lookupString(args, "session"), true)
case "assertSessionNotDirty":
return verifySessionDirtyState(ctx, lookupString(args, "session"), false)
case "assertCollectionExists":
db := lookupString(args, "databaseName")
coll := lookupString(args, "collectionName")
return verifyCollectionExists(ctx, db, coll, true)
case "assertCollectionNotExists":
db := lookupString(args, "databaseName")
coll := lookupString(args, "collectionName")
return verifyCollectionExists(ctx, db, coll, false)
case "assertIndexExists":
db := lookupString(args, "databaseName")
coll := lookupString(args, "collectionName")
index := lookupString(args, "indexName")
return verifyIndexExists(ctx, db, coll, index, true)
case "assertIndexNotExists":
db := lookupString(args, "databaseName")
coll := lookupString(args, "collectionName")
index := lookupString(args, "indexName")
return verifyIndexExists(ctx, db, coll, index, false)
case "loop":
var unmarshaledArgs loopArgs
if err := bson.Unmarshal(args, &unmarshaledArgs); err != nil {
return fmt.Errorf("error unmarshalling arguments to loopArgs: %v", err)
}
return executeLoop(ctx, &unmarshaledArgs, loopDone)
case "assertNumberConnectionsCheckedOut":
clientID := lookupString(args, "client")
client, err := entities(ctx).client(clientID)
if err != nil {
return err
}
expected := int32(lookupInteger(args, "connections"))
actual := client.numberConnectionsCheckedOut()
if expected != actual {
return fmt.Errorf("expected %d connections to be checked out, got %d", expected, actual)
}
return nil
case "createEntities":
entitiesRaw, err := args.LookupErr("entities")
if err != nil {
return fmt.Errorf("'entities' argument not found in createEntities operation")
}
var createEntities []map[string]*entityOptions
if err := entitiesRaw.Unmarshal(&createEntities); err != nil {
return fmt.Errorf("error unmarshalling 'entities' argument to entityOptions: %v", err)
}
for idx, entity := range createEntities {
for entityType, entityOptions := range entity {
if err := entities(ctx).addEntity(ctx, entityType, entityOptions); err != nil {
return fmt.Errorf("error creating entity at index %d: %v", idx, err)
}
}
}
return nil
default:
return fmt.Errorf("unrecognized testRunner operation %q", operation.Name)
}
}
func executeLoop(ctx context.Context, args *loopArgs, loopDone <-chan struct{}) error {
// setup entities
entityMap := entities(ctx)
if args.errorsStored() {
if err := entityMap.addBSONArrayEntity(args.ErrorsEntityID); err != nil {
return err
}
}
if args.failuresStored() {
if err := entityMap.addBSONArrayEntity(args.FailuresEntityID); err != nil {
return err
}
}
if args.successesStored() {
if err := entityMap.addSuccessesEntity(args.SuccessesEntityID); err != nil {
return err
}
}
if args.iterationsStored() {
if err := entityMap.addIterationsEntity(args.IterationsEntityID); err != nil {
return err
}
}
for {
select {
case <-loopDone:
return nil
default:
if args.iterationsStored() {
if err := entityMap.incrementIterations(args.IterationsEntityID); err != nil {
return err
}
}
var loopErr error
for i, operation := range args.Operations {
if operation.Name == "loop" {
return fmt.Errorf("loop sub-operations should not include loop")
}
loopErr = operation.execute(ctx, loopDone)
// if the operation errors, stop this loop
if loopErr != nil {
// If StoreFailures or StoreErrors is set, continue looping, otherwise break
if !args.errorsStored() && !args.failuresStored() {
return fmt.Errorf("error running loop operation %v : %v", i, loopErr)
}
errDoc := bson.Raw(bsoncore.NewDocumentBuilder().
AppendString("error", loopErr.Error()).
AppendDouble("time", getSecondsSinceEpoch()).
Build())
var appendErr error
switch {
case !args.errorsStored(): // store errors as failures if storeErrorsAsEntity isn't specified
appendErr = entityMap.appendBSONArrayEntity(args.FailuresEntityID, errDoc)
case !args.failuresStored(): // store failures as errors if storeFailuressAsEntity isn't specified
appendErr = entityMap.appendBSONArrayEntity(args.ErrorsEntityID, errDoc)
// errors are test runner errors
// TODO GODRIVER-1950: use error types to determine error vs failure instead of depending on the
// TODO fact that operation.execute prepends "execution failed" to test runner errors
case strings.Contains(loopErr.Error(), "execution failed: "):
appendErr = entityMap.appendBSONArrayEntity(args.ErrorsEntityID, errDoc)
// failures are if an operation returns an incorrect result or error
default:
appendErr = entityMap.appendBSONArrayEntity(args.FailuresEntityID, errDoc)
}
if appendErr != nil {
return appendErr
}
// if a sub-operation errors, restart the loop
break
}
if args.successesStored() {
if err := entityMap.incrementSuccesses(args.SuccessesEntityID); err != nil {
return err
}
}
}
}
}
}
func extractClientSession(sess mongo.Session) *session.Client {
return sess.(mongo.XSession).ClientSession()
}
func verifySessionPinnedState(ctx context.Context, sessionID string, expectedPinned bool) error {
sess, err := entities(ctx).session(sessionID)
if err != nil {
return err
}
if isPinned := extractClientSession(sess).PinnedServer != nil; expectedPinned != isPinned {
return fmt.Errorf("session pinned state mismatch; expected to be pinned: %v, is pinned: %v", expectedPinned, isPinned)
}
return nil
}
func verifyLastTwoLsidsEqual(ctx context.Context, clientID string, expectedEqual bool) error {
client, err := entities(ctx).client(clientID)
if err != nil {
return err
}
allEvents := client.startedEvents()
if len(allEvents) < 2 {
return fmt.Errorf("client has recorded fewer than two command started events")
}
lastTwoEvents := allEvents[len(allEvents)-2:]
firstID, err := lastTwoEvents[0].Command.LookupErr("lsid")
if err != nil {
return fmt.Errorf("first command has no 'lsid' field: %v", client.started[0].Command)
}
secondID, err := lastTwoEvents[1].Command.LookupErr("lsid")
if err != nil {
return fmt.Errorf("first command has no 'lsid' field: %v", client.started[1].Command)
}
areEqual := firstID.Equal(secondID)
if expectedEqual && !areEqual {
return fmt.Errorf("expected last two lsids to be equal, but got %s and %s", firstID, secondID)
}
if !expectedEqual && areEqual {
return fmt.Errorf("expected last two lsids to be different but both were %s", firstID)
}
return nil
}
func verifySessionDirtyState(ctx context.Context, sessionID string, expectedDirty bool) error {
sess, err := entities(ctx).session(sessionID)
if err != nil {
return err
}
if isDirty := extractClientSession(sess).Dirty; expectedDirty != isDirty {
return fmt.Errorf("session dirty state mismatch; expected to be dirty: %v, is dirty: %v", expectedDirty, isDirty)
}
return nil
}
func verifyCollectionExists(ctx context.Context, dbName, collName string, expectedExists bool) error {
db := mtest.GlobalClient().Database(dbName)
collections, err := db.ListCollectionNames(ctx, bson.M{"name": collName})
if err != nil {
return fmt.Errorf("error running ListCollectionNames: %v", err)
}
if exists := len(collections) == 1; expectedExists != exists {
ns := fmt.Sprintf("%s.%s", dbName, collName)
return fmt.Errorf("collection existence mismatch; expected namespace %q to exist: %v, exists: %v", ns,
expectedExists, exists)
}
return nil
}
func verifyIndexExists(ctx context.Context, dbName, collName, indexName string, expectedExists bool) error {
iv := mtest.GlobalClient().Database(dbName).Collection(collName).Indexes()
cursor, err := iv.List(ctx)
if err != nil {
return fmt.Errorf("error running IndexView.List: %v", err)
}
defer cursor.Close(ctx)
var exists bool
for cursor.Next(ctx) {
if lookupString(cursor.Current, "name") == indexName {
exists = true
break
}
}
if expectedExists != exists {
ns := fmt.Sprintf("%s.%s", dbName, collName)
return fmt.Errorf("index existence mismatch: expected index %q to exist in namespace %q: %v, exists: %v",
indexName, ns, expectedExists, exists)
}
return nil
}