diff options
Diffstat (limited to 'vendor/github.com/prometheus/client_golang/prometheus/process_collector_test.go')
-rw-r--r-- | vendor/github.com/prometheus/client_golang/prometheus/process_collector_test.go | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/vendor/github.com/prometheus/client_golang/prometheus/process_collector_test.go b/vendor/github.com/prometheus/client_golang/prometheus/process_collector_test.go new file mode 100644 index 000000000..d3362dae7 --- /dev/null +++ b/vendor/github.com/prometheus/client_golang/prometheus/process_collector_test.go @@ -0,0 +1,58 @@ +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.Gather() + 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()) + } + } +} |