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scrape: add test detecting data races 

Signed-off-by: Simon Pasquier <spasquie@redhat.com>
This commit is contained in:
Simon Pasquier 2018-04-13 14:21:41 +02:00
parent f8dcf9b272
commit 8b89ab0173
1 changed files with 38 additions and 0 deletions
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38
scrape/scrape_test.go
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@ -333,6 +333,44 @@ func TestScrapePoolAppender(t *testing.T) {
}
}
func TestScrapePoolRaces(t *testing.T) {
interval, _ := model.ParseDuration("500ms")
timeout, _ := model.ParseDuration("1s")
newConfig := func() *config.ScrapeConfig {
return &config.ScrapeConfig{ScrapeInterval: interval, ScrapeTimeout: timeout}
}
sp := newScrapePool(newConfig(), &nopAppendable{}, nil)
tgts := []*targetgroup.Group{
&targetgroup.Group{
Targets: []model.LabelSet{
model.LabelSet{model.AddressLabel: "127.0.0.1:9090"},
model.LabelSet{model.AddressLabel: "127.0.0.2:9090"},
model.LabelSet{model.AddressLabel: "127.0.0.3:9090"},
model.LabelSet{model.AddressLabel: "127.0.0.4:9090"},
model.LabelSet{model.AddressLabel: "127.0.0.5:9090"},
model.LabelSet{model.AddressLabel: "127.0.0.6:9090"},
model.LabelSet{model.AddressLabel: "127.0.0.7:9090"},
model.LabelSet{model.AddressLabel: "127.0.0.8:9090"},
},
},
}
active, dropped := sp.Sync(tgts)
expectedActive, expectedDropped := len(tgts[0].Targets), 0
if len(active) != expectedActive {
t.Fatalf("Invalid number of active targets: expected %v, got %v", expectedActive, len(active))
}
if len(dropped) != expectedDropped {
t.Fatalf("Invalid number of dropped targets: expected %v, got %v", expectedDropped, len(dropped))
}
for i := 0; i < 20; i++ {
time.Sleep(time.Duration(10 * time.Millisecond))
sp.reload(newConfig())
}
sp.stop()
}
func TestScrapeLoopStopBeforeRun(t *testing.T) {
scraper := &testScraper{}