/
json.ex
85 lines (70 loc) · 1.88 KB
/
json.ex
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
defmodule Chaperon.Export.JSON do
@moduledoc """
JSON metrics export module.
"""
@behaviour Chaperon.Exporter
alias Chaperon.Scenario.Metrics
@columns [
:total_count,
:max,
:mean,
:min
] ++ for(p <- Metrics.percentiles(), do: {:percentile, p})
@doc """
Encodes metrics of given `session` into JSON format.
"""
@impl Chaperon.Exporter
def encode(session, _opts \\ []) do
data =
session.metrics
|> Enum.map(fn
{{:call, {mod, func}}, vals} ->
%{
action: :call,
module: inspect(mod),
function: func,
metrics: metrics(vals)
}
{{{:error, {:http, code}}, {action, url}}, vals} ->
%{
error: %{http: code},
action: action,
url: url,
metrics: metrics(vals)
}
{{action, url}, vals} ->
%{action: action, url: url, metrics: metrics(vals)}
{action, vals} ->
%{action: action, metrics: metrics(vals)}
end)
|> Poison.encode!()
{:ok, data}
end
@impl Chaperon.Exporter
def write_output(lt_mod, options, data, filename) do
runtime_config = Keyword.get(options, :config, %{})
Chaperon.write_output_to_file(lt_mod, runtime_config, data, filename <> ".json")
end
def metrics([]), do: %{}
def metrics([v | vals]) do
Map.merge(metrics(v), metrics(vals))
end
def metrics(vals) when is_map(vals) do
metrics =
vals
|> Map.take(@columns)
|> Enum.map(fn
{{:percentile, p}, val} ->
{"percentile_#{p}", round(val)}
{k, v} ->
{k, round(v)}
end)
|> Enum.into(%{})
session_name = vals[:session_name]
if session_name && String.trim(session_name) != "" do
%{vals[:session_name] => metrics}
else
metrics
end
end
end