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chore(tests): do not osExit and return error #2452

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merged 3 commits into from
Apr 4, 2022
Merged

chore(tests): do not osExit and return error #2452

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975290d
chore(tests): do not `os.Exit` and return error
qdm12 Mar 15, 2022
3beef6f
(OOS): fix error message
qdm12 Mar 31, 2022
642f5ba
Apply Eclesio's fix suggestions
qdm12 Mar 31, 2022
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62 changes: 41 additions & 21 deletions tests/utils/gossamer_utils.go
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Original file line number Diff line number Diff line change
Expand Up @@ -233,8 +233,7 @@ func startGossamer(t *testing.T, node *Node, websocket bool) error {
func RunGossamer(t *testing.T, idx int, basepath, genesis, config string, websocket, babeLead bool) (*Node, error) {
node, err := InitGossamer(idx, basepath, genesis, config)
if err != nil {
Logger.Criticalf("could not initialise gossamer: %s", err)
os.Exit(1)
return nil, fmt.Errorf("could not initialise gossamer: %w", err)
}

if idx == 0 || babeLead {
Expand All @@ -243,8 +242,7 @@ func RunGossamer(t *testing.T, idx int, basepath, genesis, config string, websoc

err = startGossamer(t, node, websocket)
if err != nil {
Logger.Criticalf("could not start gossamer: %s", err)
os.Exit(1)
return nil, fmt.Errorf("could not start gossamer: %w", err)
}

return node, nil
Expand Down Expand Up @@ -314,61 +312,83 @@ func StartNodes(t *testing.T, nodes []*Node) error {
}

// InitializeAndStartNodes will spin up `num` gossamer nodes
func InitializeAndStartNodes(t *testing.T, num int, genesis, config string) ([]*Node, error) {
var nodes []*Node

func InitializeAndStartNodes(t *testing.T, num int, genesis, config string) (
nodes []*Node, err error) {
var wg sync.WaitGroup
var nodeMu sync.Mutex
var nodesMutex, errMutex sync.Mutex
wg.Add(num)

for i := 0; i < num; i++ {
go func(i int) {
defer wg.Done()
name := strconv.Itoa(i)
if i < len(KeyList) {
name = KeyList[i]
}
node, err := RunGossamer(t, i, TestDir(t, name), genesis, config, false, false)
if err != nil {
Logger.Errorf("failed to run Gossamer for node index %d", i)
node, runErr := RunGossamer(t, i, TestDir(t, name), genesis, config, false, false)
if runErr != nil {
errMutex.Lock()
if err == nil {
err = fmt.Errorf("failed to run Gossamer for node index %d: %w", i, runErr)
}
errMutex.Unlock()
return
}

nodeMu.Lock()
nodesMutex.Lock()
nodes = append(nodes, node)
nodeMu.Unlock()
wg.Done()
nodesMutex.Unlock()
}(i)
}

wg.Wait()

if err != nil {
_ = StopNodes(t, nodes)
return nil, err
}

return nodes, nil
}

// InitializeAndStartNodesWebsocket will spin up `num` gossamer nodes running with Websocket rpc enabled
func InitializeAndStartNodesWebsocket(t *testing.T, num int, genesis, config string) ([]*Node, error) {
var nodes []*Node

func InitializeAndStartNodesWebsocket(t *testing.T, num int, genesis, config string) (
nodes []*Node, err error) {
var nodesMutex, errMutex sync.Mutex
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why not use an errChan or a defined []error of len(num) to get the errors?

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Good point, although there is little point to do this considering the future-to-be changes: this parallel logic is changed to be sequential since it takes a short time to init+start, so only the first error encountered is returned.

var wg sync.WaitGroup

wg.Add(num)

for i := 0; i < num; i++ {
go func(i int) {
defer wg.Done()
name := strconv.Itoa(i)
if i < len(KeyList) {
name = KeyList[i]
}
node, err := RunGossamer(t, i, TestDir(t, name), genesis, config, true, false)
if err != nil {
Logger.Errorf("failed to run Gossamer for node index %d", i)
node, runErr := RunGossamer(t, i, TestDir(t, name), genesis, config, true, false)
if runErr != nil {
errMutex.Lock()
if err == nil {
err = fmt.Errorf("failed to run Gossamer for node index %d: %w", i, runErr)
}
errMutex.Unlock()
return
}

nodesMutex.Lock()
nodes = append(nodes, node)
wg.Done()
nodesMutex.Unlock()
}(i)
}

wg.Wait()

if err != nil {
_ = StopNodes(t, nodes)
return nil, err
}

return nodes, nil
}

Expand Down
2 changes: 1 addition & 1 deletion tests/utils/request_utils.go
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Original file line number Diff line number Diff line change
Expand Up @@ -66,7 +66,7 @@ func PostRPCWithRetry(ctx context.Context, endpoint, method, params string,

postRPCCtx, postRPCCancel := context.WithTimeout(ctx, requestWait)

data, err := PostRPC(postRPCCtx, endpoint, method, params)
data, err = PostRPC(postRPCCtx, endpoint, method, params)

if err == nil {
postRPCCancel()
Expand Down