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Ci race detector handle failing tests (#19143)

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* swarm/storage: increase mget timeout in common_test.go

 TestDbStoreCorrect_1k sometimes timed out with -race on Travis.

--- FAIL: TestDbStoreCorrect_1k (24.63s)
    common_test.go:194: testStore failed: timed out after 10s

* swarm: remove unused vars from TestSnapshotSyncWithServer

nodeCount and chunkCount is returned from setupSim and those values
we use.

* swarm: move race/norace helpers from stream to testutil

As we will need to use the flag in other packages, too.

* swarm: refactor TestSwarmNetwork case

Extract long running test cases for better visibility.

* swarm/network: skip TestSyncingViaGlobalSync with -race

As panics on Travis.

panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x7e351b]

* swarm: run TestSwarmNetwork with fewer nodes with -race

As otherwise we always get test failure with `network_test.go:374:
context deadline exceeded` even with raised `Timeout`.

* swarm/network: run TestDeliveryFromNodes with fewer nodes with -race

Test on Travis times out with 8 or more nodes if -race flag is present.

* swarm/network: smaller node count for discovery tests with -race

TestDiscoveryPersistenceSimulationSimAdapters failed on Travis with
`-race` flag present. The failure was due to extensive memory usage,
coming from the CGO runtime. Using a smaller node count resolves the
issue.

=== RUN   TestDiscoveryPersistenceSimulationSimAdapter
==7227==ERROR: ThreadSanitizer failed to allocate 0x80000 (524288) bytes of clock allocator (error code: 12)
FATAL: ThreadSanitizer CHECK failed: ./gotsan.cc:6976 "((0 && "unable to mmap")) != (0)" (0x0, 0x0)
FAIL    github.com/ethereum/go-ethereum/swarm/network/simulations/discovery     804.826s

* swarm/network: run TestFileRetrieval with fewer nodes with -race

Otherwise we get a failure due to extensive memory usage, as the CGO
runtime cannot allocate more bytes.

=== RUN   TestFileRetrieval
==7366==ERROR: ThreadSanitizer failed to allocate 0x80000 (524288) bytes of clock allocator (error code: 12)
FATAL: ThreadSanitizer CHECK failed: ./gotsan.cc:6976 "((0 && "unable to mmap")) != (0)" (0x0, 0x0)
FAIL	github.com/ethereum/go-ethereum/swarm/network/stream	155.165s

* swarm/network: run TestRetrieval with fewer nodes with -race

Otherwise we get a failure due to extensive memory usage, as the CGO
runtime cannot allocate more bytes ("ThreadSanitizer failed to
allocate").

* swarm/network: skip flaky TestGetSubscriptionsRPC on Travis w/ -race

Test fails a lot with something like:
 streamer_test.go:1332: Real subscriptions and expected amount don't match; real: 0, expected: 20

* swarm/storage: skip TestDB_SubscribePull* tests on Travis w/ -race

Travis just hangs...

ok  	github.com/ethereum/go-ethereum/swarm/storage/feed/lookup	1.307s
keepalive
keepalive
keepalive

or panics after a while.

Without these tests the race detector job is now stable. Let's
invetigate these tests in a separate issue:
https://github.com/ethersphere/go-ethereum/issues/1245
This commit is contained in:
Ferenc Szabo
2019-02-20 22:57:42 +01:00
committed by Viktor Trón
parent d36e974ba3
commit e38b227ce6
13 changed files with 187 additions and 132 deletions
Download Patch File Download Diff File Expand all files Collapse all files

55
swarm/network/stream/snapshot_sync_test.go
View File

@ -19,7 +19,6 @@ import (
"context"
"errors"
"fmt"
"io/ioutil"
"os"
"runtime"
"sync"
@ -42,8 +41,6 @@ import (
"github.com/ethereum/go-ethereum/swarm/testutil"
)
const MaxTimeout = 600
type synctestConfig struct {
addrs [][]byte
hashes []storage.Address
@ -80,37 +77,31 @@ func TestSyncingViaGlobalSync(t *testing.T) {
if runtime.GOOS == "darwin" && os.Getenv("TRAVIS") == "true" {
t.Skip("Flaky on mac on travis")
}
if testutil.RaceEnabled {
t.Skip("Segfaults on Travis with -race")
}
//if nodes/chunks have been provided via commandline,
//run the tests with these values
if *nodes != 0 && *chunks != 0 {
log.Info(fmt.Sprintf("Running test with %d chunks and %d nodes...", *chunks, *nodes))
testSyncingViaGlobalSync(t, *chunks, *nodes)
} else {
var nodeCnt []int
var chnkCnt []int
chunkCounts := []int{4, 32}
nodeCounts := []int{32, 16}
//if the `longrunning` flag has been provided
//run more test combinations
if *longrunning {
chnkCnt = []int{1, 8, 32, 256, 1024}
nodeCnt = []int{16, 32, 64, 128, 256}
} else if raceTest {
// TestSyncingViaGlobalSync allocates a lot of memory
// with race detector. By reducing the number of chunks
// and nodes, memory consumption is lower and data races
// are still checked, while correctness of syncing is
// tested with more chunks and nodes in regular (!race)
// tests.
chnkCnt = []int{4}
nodeCnt = []int{16}
} else {
//default test
chnkCnt = []int{4, 32}
nodeCnt = []int{32, 16}
chunkCounts = []int{1, 8, 32, 256, 1024}
nodeCounts = []int{16, 32, 64, 128, 256}
}
for _, chnk := range chnkCnt {
for _, n := range nodeCnt {
log.Info(fmt.Sprintf("Long running test with %d chunks and %d nodes...", chnk, n))
testSyncingViaGlobalSync(t, chnk, n)
for _, chunkCount := range chunkCounts {
for _, n := range nodeCounts {
log.Info(fmt.Sprintf("Long running test with %d chunks and %d nodes...", chunkCount, n))
testSyncingViaGlobalSync(t, chunkCount, n)
}
}
}
@ -123,21 +114,7 @@ var simServiceMap = map[string]simulation.ServiceFunc{
return nil, nil, err
}
var dir string
var store *state.DBStore
if raceTest {
// Use on-disk DBStore to reduce memory consumption in race tests.
dir, err = ioutil.TempDir("", "swarm-stream-")
if err != nil {
return nil, nil, err
}
store, err = state.NewDBStore(dir)
if err != nil {
return nil, nil, err
}
} else {
store = state.NewInmemoryStore()
}
store := state.NewInmemoryStore()
r := NewRegistry(addr.ID(), delivery, netStore, store, &RegistryOptions{
Retrieval: RetrievalDisabled,