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Kirill Smelkov
neo
Commits
7405215b
Commit
7405215b
authored
Dec 24, 2020
by
Kirill Smelkov
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-6
go/internal/xtracing/tracetest/example_test.go
go/internal/xtracing/tracetest/example_test.go
+13
-6
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go/internal/xtracing/tracetest/example_test.go
View file @
7405215b
...
...
@@ -61,6 +61,7 @@ func setupTracing(t *tracetest.T) *tracing.ProbeGroup {
t
.
RxEvent
(
eventHello
(
who
))
})
tracing
.
Unlock
()
// NOTE pg.Done must be invoked by caller when setup tracing is no longer needed.
return
pg
}
...
...
@@ -86,18 +87,24 @@ func routeEvent(event interface{}) (stream string) {
return
strings
.
ToLower
(
who
[
:
i
])
}
// setupTraceEvents sets up tracing and routing.
// it is used in the prologue of tests.
func
setupTraceEvents
(
t
*
tracetest
.
T
)
{
// setup tracing to deliver trace events to t.
pg
:=
setupTracing
(
t
)
t
.
Cleanup
(
pg
.
Done
)
// tell t to which stream an event should go.
t
.
SetEventRouter
(
routeEvent
)
}
// TestExample demonstrates how to use tracetest to verify concurrent system with 2 threads.
func
TestExample
(
t
*
testing
.
T
)
{
tracetest
.
Verify
(
t
,
tracetestExample
)
}
func
tracetestExample
(
t
*
tracetest
.
T
)
{
// setup tracing to deliver trace events to t.
pg
:=
setupTracing
(
t
)
defer
pg
.
Done
()
// tell tracetest to which stream an event should go.
t
.
SetEventRouter
(
routeEvent
)
// setup tracing to deliver trace events to t and route them appropriately.
setupTraceEvents
(
t
)
// run the workload
var
wg
sync
.
WaitGroup
...
...
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