diff options
Diffstat (limited to 'vendor/github.com/prometheus/procfs/proc_stat_test.go')
-rw-r--r-- | vendor/github.com/prometheus/procfs/proc_stat_test.go | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/vendor/github.com/prometheus/procfs/proc_stat_test.go b/vendor/github.com/prometheus/procfs/proc_stat_test.go new file mode 100644 index 000000000..a2ebcde78 --- /dev/null +++ b/vendor/github.com/prometheus/procfs/proc_stat_test.go @@ -0,0 +1,110 @@ +package procfs + +import ( + "os" + "testing" +) + +func TestProcStat(t *testing.T) { + p, err := FS("fixtures").NewProc(26231) + if err != nil { + t.Fatal(err) + } + + s, err := p.NewStat() + if err != nil { + t.Fatal(err) + } + + for _, test := range []struct { + name string + want int + have int + }{ + {name: "pid", want: 26231, have: s.PID}, + {name: "user time", want: 1677, have: int(s.UTime)}, + {name: "system time", want: 44, have: int(s.STime)}, + {name: "start time", want: 82375, have: int(s.Starttime)}, + {name: "virtual memory size", want: 56274944, have: s.VSize}, + {name: "resident set size", want: 1981, have: s.RSS}, + } { + if test.want != test.have { + t.Errorf("want %s %d, have %d", test.name, test.want, test.have) + } + } +} + +func TestProcStatComm(t *testing.T) { + s1, err := testProcStat(26231) + if err != nil { + t.Fatal(err) + } + if want, have := "vim", s1.Comm; want != have { + t.Errorf("want comm %s, have %s", want, have) + } + + s2, err := testProcStat(584) + if err != nil { + t.Fatal(err) + } + if want, have := "(a b ) ( c d) ", s2.Comm; want != have { + t.Errorf("want comm %s, have %s", want, have) + } +} + +func TestProcStatVirtualMemory(t *testing.T) { + s, err := testProcStat(26231) + if err != nil { + t.Fatal(err) + } + + if want, have := 56274944, s.VirtualMemory(); want != have { + t.Errorf("want virtual memory %d, have %d", want, have) + } +} + +func TestProcStatResidentMemory(t *testing.T) { + s, err := testProcStat(26231) + if err != nil { + t.Fatal(err) + } + + if want, have := 1981*os.Getpagesize(), s.ResidentMemory(); want != have { + t.Errorf("want resident memory %d, have %d", want, have) + } +} + +func TestProcStatStartTime(t *testing.T) { + s, err := testProcStat(26231) + if err != nil { + t.Fatal(err) + } + + time, err := s.StartTime() + if err != nil { + t.Fatal(err) + } + if want, have := 1418184099.75, time; want != have { + t.Errorf("want start time %f, have %f", want, have) + } +} + +func TestProcStatCPUTime(t *testing.T) { + s, err := testProcStat(26231) + if err != nil { + t.Fatal(err) + } + + if want, have := 17.21, s.CPUTime(); want != have { + t.Errorf("want cpu time %f, have %f", want, have) + } +} + +func testProcStat(pid int) (ProcStat, error) { + p, err := FS("fixtures").NewProc(pid) + if err != nil { + return ProcStat{}, err + } + + return p.NewStat() +} |