| 19 | var update = flag.Bool("update", false, "Update .golden files") |
| 20 | |
| 21 | func TestPlot(t *testing.T) { |
| 22 | p := New(Title("TestPlot"), Downsample(400)) |
| 23 | |
| 24 | rng := rand.New(rand.NewSource(0)) |
| 25 | zf := rand.NewZipf(rng, 3, 2, 1000) |
| 26 | attacks := []string{"500QPS", "1000QPS", "2000QPS"} |
| 27 | began := time.Now() |
| 28 | for i := 0; i < 1e5; i++ { |
| 29 | for _, attack := range attacks { |
| 30 | r := vegeta.Result{ |
| 31 | Attack: attack, |
| 32 | Seq: uint64(i), |
| 33 | Timestamp: began.Add(time.Duration(i) * time.Millisecond), |
| 34 | Latency: time.Duration(zf.Uint64()) * time.Millisecond, |
| 35 | } |
| 36 | |
| 37 | if err := p.Add(&r); err != nil { |
| 38 | t.Fatal(err) |
| 39 | } |
| 40 | } |
| 41 | } |
| 42 | |
| 43 | p.Close() |
| 44 | |
| 45 | var b bytes.Buffer |
| 46 | if _, err := p.WriteTo(&b); err != nil { |
| 47 | t.Fatal(err) |
| 48 | } |
| 49 | |
| 50 | gp := filepath.Join("testdata", filepath.FromSlash(t.Name())+".golden.html") |
| 51 | if *update { |
| 52 | t.Logf("updating %q", gp) |
| 53 | if err := os.WriteFile(gp, b.Bytes(), 0644); err != nil { |
| 54 | t.Fatalf("failed to update %q: %s", gp, err) |
| 55 | } |
| 56 | } |
| 57 | |
| 58 | g, err := os.ReadFile(gp) |
| 59 | if err != nil { |
| 60 | t.Fatalf("failed reading %q: %s", gp, err) |
| 61 | } |
| 62 | |
| 63 | if !bytes.Equal(b.Bytes(), g) { |
| 64 | t.Log(b.String()) |
| 65 | t.Errorf("bytes do not match %q", gp) |
| 66 | } |
| 67 | } |
| 68 | |
| 69 | func TestLabeledSeries(t *testing.T) { |
| 70 | t.Parallel() |