59 lines
1.6 KiB
Go
59 lines
1.6 KiB
Go
package prometheus
|
|
|
|
import (
|
|
"bytes"
|
|
"os"
|
|
"regexp"
|
|
"testing"
|
|
|
|
"github.com/prometheus/common/expfmt"
|
|
"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()
|
|
if err := registry.Register(NewProcessCollector(os.Getpid(), "")); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if err := registry.Register(NewProcessCollectorPIDFn(
|
|
func() (int, error) { return os.Getpid(), nil }, "foobar"),
|
|
); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
mfs, err := registry.Deliver()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
var buf bytes.Buffer
|
|
for _, mf := range mfs {
|
|
if _, err := expfmt.MetricFamilyToText(&buf, mf); 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(buf.Bytes()) {
|
|
t.Errorf("want body to match %s\n%s", re, buf.String())
|
|
}
|
|
}
|
|
}
|