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Fix race in test

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Signed-off-by: Alexander Morozov <lk4d4@docker.com>
This commit is contained in:
Alexander Morozov 2015-09-11 08:23:08 -07:00
parent dc4a5ae1fd
commit 37eedf5cdc
1 changed files with 8 additions and 1 deletions
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9
middleware/markdown/watcher_test.go
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@ -3,6 +3,7 @@ package markdown
import ( import (
"fmt" "fmt"
"strings" "strings"
"sync"
"testing" "testing"
"time" "time"
) )
@ -23,12 +24,18 @@ func TestWatcher(t *testing.T) {
} }
out = "" out = ""
i = 0 i = 0
var mu sync.Mutex
stopChan = TickerFunc(interval, func() { stopChan = TickerFunc(interval, func() {
i++ i++
mu.Lock()
out += fmt.Sprint(i) out += fmt.Sprint(i)
mu.Unlock()
}) })
time.Sleep(interval * 10) time.Sleep(interval * 10)
if !strings.HasPrefix(out, expected) || out == expected { mu.Lock()
res := out
mu.Unlock()
if !strings.HasPrefix(res, expected) || res == expected {
t.Fatalf("expected (%v) must be a proper prefix of out(%v).", expected, out) t.Fatalf("expected (%v) must be a proper prefix of out(%v).", expected, out)
} }
} }