Very under tested project that I used to test this formatter:
Cover compiling modules ...
..
Finished in 0.1 seconds
2 tests, 0 failures
Randomized with seed 438070
Cover results
Percentage | Module
-----------|--------------------------
0.0% | Elixir.Cover
0.0% | Elixir.ImagerWeb.Instrumenter
50.0% | Elixir.Imager.Application
0.0% | Elixir.Imager.Convert
0.0% | Elixir.ImagerWeb.ChannelCase
0.0% | Elixir.ImagerWeb.UserSocket
0.0% | Elixir.ImagerWeb.WebhookController
6.45% | Elixir.ImagerWeb.Router.Helpers
15.79% | Elixir.ImagerWeb.ErrorView
45.45% | Elixir.ImagerWeb.ConnCase
5.26% | Elixir.ImagerWeb.Endpoint
23.81% | Elixir.Imager.Stats
5.71% | Elixir.Imager
0.0% | Elixir.ImagerWeb.Router
0.0% | Elixir.ImagerWeb
-----------|--------------------------
7.88% | Total
Screenshot with colours: https://cl.ly/0Y1K192Q220k
--
Łukasz Niemier
[email protected]
W dniu środa, 9 maja 2018 13:25:04 UTC+2 użytkownik José Valim napisał:
>
> Can you please provide a sample of the output?
>
>
>
> *José Valimwww.plataformatec.com.br
> <http://www.plataformatec.com.br/>Founder and Director of R&D*
>
> On Wed, May 9, 2018 at 12:22 PM, Łukasz Niemier <[email protected]
> <javascript:>> wrote:
>
>> This would greatly reduce people using additional coverage reporters like
>> excoveralls or similar as some tools (at least GitLab CI that I am using)
>> allows to parse test output to fetch general coverage from there.
>>
>> My proposal is to generate per module and total percentage from default
>> coverage reporter. Example Coverage module that provides such result
>> (additional there is additional option :threshold which colours resulting
>> coverage red/green).
>>
>> defmodule Cover do
>> @moduledoc false
>>
>> @threshold 90
>>
>> def start(compile_path, opts) do
>> Mix.shell().info("Cover compiling modules ...")
>> _ = :cover.start()
>>
>> case :cover.compile_beam_directory(compile_path |> to_charlist) do
>> results when is_list(results) ->
>> :ok
>>
>> {:error, _} ->
>> Mix.raise("Failed to cover compile directory: " <> compile_path)
>> end
>>
>> output = opts[:output]
>>
>> fn ->
>> File.mkdir_p!(output)
>>
>> Mix.shell().info("\nCover results")
>>
>> {:result, ok, _fail} = :cover.analyse(:coverage, :module)
>>
>> Mix.shell().info("Percentage | Module")
>> Mix.shell().info("-----------|--------------------------")
>>
>> total =
>> ok
>> |> Stream.each(&display(&1, opts))
>> |> Stream.each(&html(&1, output))
>> |> Enum.reduce({0, 0}, fn {_, {cov, not_cov}}, {tot_cov,
>> tot_not_cov} ->
>> {tot_cov + cov, tot_not_cov + not_cov}
>> end)
>>
>> Mix.shell().info("-----------|--------------------------")
>>
>> display({"Total", total}, opts)
>> end
>> end
>>
>> defp colour(percentage, threshold) when percentage > threshold, do:
>> :green
>> defp colour(_, _), do: :red
>>
>> defp display({name, coverage}, opts) do
>> threshold = Keyword.get(opts, :threshold, @threshold)
>> percentage = percentage(coverage)
>>
>> Mix.shell().info([
>> colour(percentage, threshold),
>> format(percentage, 9),
>> "%",
>> :reset,
>> " | #{name}"
>> ])
>> end
>>
>> defp html({mod, _}, output) do
>> {:ok, _} = :cover.analyse_to_file(mod, '#{output}/#{mod}.html',
>> [:html])
>> end
>>
>> defp percentage({0, 0}), do: 100
>> defp percentage({cov, not_cov}), do: cov / (cov + not_cov) * 100
>>
>> defp format(num, len) when is_integer(num) do
>> num
>> |> Integer.to_string()
>> |> String.pad_leading(len)
>> end
>>
>> defp format(num, len) when is_float(num) do
>> num
>> |> Float.round(2)
>> |> Float.to_string()
>> |> String.pad_leading(len)
>> end
>> end
>>
>> --
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>> https://groups.google.com/d/msgid/elixir-lang-core/6ca4916a-8b3d-44c5-9df7-ba0467150a5a%40googlegroups.com
>>
>> <https://groups.google.com/d/msgid/elixir-lang-core/6ca4916a-8b3d-44c5-9df7-ba0467150a5a%40googlegroups.com?utm_medium=email&utm_source=footer>
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>>
>
>
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