55 lines
1.5 KiB
Go
55 lines
1.5 KiB
Go
package prometheus
|
|
|
|
import (
|
|
"io/ioutil"
|
|
"net/http"
|
|
"net/http/httptest"
|
|
"os"
|
|
"regexp"
|
|
"testing"
|
|
|
|
"github.com/prometheus/procfs"
|
|
)
|
|
|
|
func TestProcessCollector(t *testing.T) {
|
|
if _, err := procfs.Self(); err != nil {
|
|
t.Skipf("skipping TestProcessCollector, procfs not available: %s", err)
|
|
}
|
|
|
|
registry := newRegistry()
|
|
registry.Register(NewProcessCollector(os.Getpid(), ""))
|
|
registry.Register(NewProcessCollectorPIDFn(
|
|
func() (int, error) { return os.Getpid(), nil }, "foobar"))
|
|
|
|
s := httptest.NewServer(InstrumentHandler("prometheus", registry))
|
|
defer s.Close()
|
|
r, err := http.Get(s.URL)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer r.Body.Close()
|
|
body, err := ioutil.ReadAll(r.Body)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
for _, re := range []*regexp.Regexp{
|
|
regexp.MustCompile("process_cpu_seconds_total [0-9]"),
|
|
regexp.MustCompile("process_max_fds [1-9]"),
|
|
regexp.MustCompile("process_open_fds [1-9]"),
|
|
regexp.MustCompile("process_virtual_memory_bytes [1-9]"),
|
|
regexp.MustCompile("process_resident_memory_bytes [1-9]"),
|
|
regexp.MustCompile("process_start_time_seconds [0-9.]{10,}"),
|
|
regexp.MustCompile("foobar_process_cpu_seconds_total [0-9]"),
|
|
regexp.MustCompile("foobar_process_max_fds [1-9]"),
|
|
regexp.MustCompile("foobar_process_open_fds [1-9]"),
|
|
regexp.MustCompile("foobar_process_virtual_memory_bytes [1-9]"),
|
|
regexp.MustCompile("foobar_process_resident_memory_bytes [1-9]"),
|
|
regexp.MustCompile("foobar_process_start_time_seconds [0-9.]{10,}"),
|
|
} {
|
|
if !re.Match(body) {
|
|
t.Errorf("want body to match %s\n%s", re, body)
|
|
}
|
|
}
|
|
}
|