caddy/middleware/markdown/watcher_test.go
Alexander Morozov faaef83954 Use less strict condition to avoid problems with concurrency
In latest go versions TestWatcher fails pretty often, because it is
"more concurrent" now. Reproducible with go master:
while go test github.com/mholt/caddy/middleware/markdown; do :; done

Signed-off-by: Alexander Morozov <lk4d4@docker.com>
2015-09-11 10:25:13 -07:00

43 lines
809 B
Go

package markdown
import (
"fmt"
"strings"
"sync"
"testing"
"time"
)
func TestWatcher(t *testing.T) {
expected := "12345678"
interval := time.Millisecond * 100
i := 0
out := ""
stopChan := TickerFunc(interval, func() {
i++
out += fmt.Sprint(i)
})
// wait little more because of concurrency
time.Sleep(interval * 9)
stopChan <- struct{}{}
if !strings.HasPrefix(out, expected) {
t.Fatalf("Expected to have prefix %v, found %v", expected, out)
}
out = ""
i = 0
var mu sync.Mutex
stopChan = TickerFunc(interval, func() {
i++
mu.Lock()
out += fmt.Sprint(i)
mu.Unlock()
})
time.Sleep(interval * 10)
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)
}
}