Add integration test for escript

test/ex_doc/cli_test.exs

@@ -115,4 +115,40 @@ defmodule ExDoc.CLITest do
  File.rm!("test.exs")
  end
  end
+
+ @tag :tmp_dir
+ test "run from CLI", c do
+ Mix.Task.run("escript.build")
+ assert_received {:mix_shell, :info, ["Generated escript ex_doc" <> _]}
+
+ File.mkdir_p!("#{c.tmp_dir}/lib")
+
+ File.write!("#{c.tmp_dir}/mix.exs", """
+ defmodule Foo.MixProject do
+ use Mix.Project
+
+ def project do
+ [app: :foo, version: "1.0.0"]
+ end
+ end
+ """)
+
+ File.write!("#{c.tmp_dir}/lib/foo.ex", """
+ defmodule Foo do
+ @moduledoc \"\"\"
+ `String.upcase/2`
+ \"\"\"
+ end
+ """)
+
+ Mix.shell().cmd("mix compile", cd: c.tmp_dir, env: %{"MIX_QUIET" => "1"})
+
+ Mix.shell().cmd("./ex_doc Foo 1.0.0 #{c.tmp_dir}/_build/dev/lib/foo/ebin -o #{c.tmp_dir}/doc")
+ refute_received _
+
+ html = File.read!("#{c.tmp_dir}/doc/Foo.html")
+ assert html =~ "hexdocs.pm/elixir/String.html#upcase/2"
+ after
+ File.rm_rf!("ex_doc")
+ end
 end

test/test_helper.exs

@@ -4,6 +4,9 @@ exclude = [
  otp24: System.otp_release() < "24"
 ]
 
+Mix.shell(Mix.Shell.Process)
+ExUnit.after_suite(fn _ -> Mix.shell(Mix.Shell.IO) end)
+
 ExUnit.start(exclude: Enum.filter(exclude, &elem(&1, 1)))
 
 # Prepare module fixtures