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Code.require_file("../test_helper.exs", __DIR__)
defmodule Mix.Tasks.Cheers do
end
defmodule Mix.UtilsTest do
use MixTest.Case
doctest Mix.Utils
setup do
# Store state before test
mix_home = System.get_env("MIX_HOME")
# Clear all variables to get a reproducible test
System.delete_env("MIX_HOME")
System.delete_env("MIX_XDG")
# Reset Env Variables
on_exit(fn ->
System.put_env("MIX_HOME", mix_home)
System.delete_env("MIX_XDG")
end)
end
test "command to module" do
assert Mix.Utils.command_to_module("cheers", Mix.Tasks) == {:module, Mix.Tasks.Cheers}
assert Mix.Utils.command_to_module("unknown", Mix.Tasks) == {:error, :nofile}
end
test "module name to command" do
assert Mix.Utils.module_name_to_command(Mix.Tasks.Foo, 2) == "foo"
assert Mix.Utils.module_name_to_command("Mix.Tasks.Foo", 2) == "foo"
assert Mix.Utils.module_name_to_command("Mix.Tasks.Foo.Bar", 2) == "foo.bar"
assert Mix.Utils.module_name_to_command("Mix.Tasks.FooBar.Bing", 2) == "foo_bar.bing"
assert Mix.Utils.module_name_to_command("Mix.Tasks.FooBar.BingBang", 2) == "foo_bar.bing_bang"
end
test "command to module name" do
assert Mix.Utils.command_to_module_name("foo") == "Foo"
assert Mix.Utils.command_to_module_name("foo.bar") == "Foo.Bar"
assert Mix.Utils.command_to_module_name("foo_bar.baz") == "FooBar.Baz"
assert Mix.Utils.command_to_module_name("foo_bar.baz_bing") == "FooBar.BazBing"
end
test "extract files" do
files = Mix.Utils.extract_files([Path.join(fixture_path(), "archive")], "*.ex")
assert length(files) == 1
assert Path.basename(hd(files)) == "local.sample.ex"
end
test "extract files with empty string returns empty list" do
assert Mix.Utils.extract_files([""], ".ex") == []
end
test "extract stale" do
# 2038-01-01 00:00:00
time = 2_145_916_800
assert Mix.Utils.extract_stale([__ENV__.file], [time]) == []
# 2000-01-01 00:00:00
time = 946_684_800
assert Mix.Utils.extract_stale([__ENV__.file], [time]) == [__ENV__.file]
assert Mix.Utils.extract_stale([__ENV__.file], [__ENV__.file]) == []
end
test "handles missing target files" do
assert Mix.Utils.stale?([__ENV__.file], []) == true
end
test "symlink or copy" do
in_fixture("archive", fn ->
File.mkdir_p!("_build/archive")
result = Mix.Utils.symlink_or_copy(Path.expand("ebin"), Path.expand("_build/archive/ebin"))
assert_ebin_symlinked_or_copied(result)
end)
end
test "symlink or copy removes previous directories" do
in_fixture("archive", fn ->
File.mkdir_p!("_build/archive/ebin")
result = Mix.Utils.symlink_or_copy(Path.expand("ebin"), Path.expand("_build/archive/ebin"))
assert_ebin_symlinked_or_copied(result)
end)
end
@tag :unix
test "symlink or copy erases wrong symlinks" do
in_fixture("archive", fn ->
File.mkdir_p!("_build/archive")
build_ebin = Path.expand("_build/archive/ebin")
Mix.Utils.symlink_or_copy(Path.expand("priv"), build_ebin)
result = Mix.Utils.symlink_or_copy(Path.expand("ebin"), build_ebin)
assert_ebin_symlinked_or_copied(result)
end)
end
test "proxy_config reads from env and returns credentials" do
assert Mix.Utils.proxy_config("http://example.com") == []
System.put_env("http_proxy", "http://nopass@example.com")
assert Mix.Utils.proxy_config("http://example.com") == [proxy_auth: {'nopass', ''}]
System.put_env("HTTP_PROXY", "http://my:proxy@example.com")
assert Mix.Utils.proxy_config("http://example.com") == [proxy_auth: {'my', 'proxy'}]
System.put_env("https_proxy", "https://another:proxy@example.com")
assert Mix.Utils.proxy_config("https://example.com") == [proxy_auth: {'another', 'proxy'}]
System.put_env("HTTPS_PROXY", "https://example.com")
assert Mix.Utils.proxy_config("https://example.com") == []
after
System.delete_env("http_proxy")
System.delete_env("https_proxy")
end
# 10.0.0.0 is a non-routable address
test "read_path timeouts requests" do
# If the request finishes for a reason, it will fail due to the checksum.
case Mix.Utils.read_path("http://10.0.0.0/", timeout: 0) do
{:remote, "request timed out after 0ms"} -> :ok
{:checksum, "fetching from URIs require a checksum to be given"} -> :ok
end
end
describe "mix_home/0" do
test "prefers MIX_HOME over MIX_XDG" do
System.put_env("MIX_HOME", "mix_home")
System.put_env("MIX_XDG", "true")
assert "mix_home" = Mix.Utils.mix_home()
end
@tag :unix
test "falls back to XDG_DATA_HOME/mix when MIX_XDG is set" do
System.put_env("MIX_XDG", "1")
assert Mix.Utils.mix_home() == :filename.basedir(:user_data, "mix", %{os: :linux})
end
test "falls back to $HOME/.mix" do
assert Path.expand("~/.mix") == Mix.Utils.mix_home()
end
end
describe "mix_config/0" do
test "prefers MIX_HOME over MIX_XDG" do
System.put_env("MIX_HOME", "mix_home")
System.put_env("MIX_XDG", "true")
assert "mix_home" = Mix.Utils.mix_config()
end
@tag :unix
test "falls back to XDG_CONFIG_HOME/mix when MIX_XDG is set" do
System.put_env("MIX_XDG", "1")
assert Mix.Utils.mix_config() == :filename.basedir(:user_config, "mix", %{os: :linux})
end
test "falls back to $HOME/.mix" do
assert Path.expand("~/.mix") == Mix.Utils.mix_config()
end
end
describe "mix_cache/0" do
@tag :unix
test "prefers XDG_CACHE_HOME/mix when MIX_XDG is set" do
System.put_env("MIX_XDG", "1")
assert Mix.Utils.mix_cache() == :filename.basedir(:user_cache, "mix", %{os: :linux})
end
test "falls back to user cache dir" do
assert Mix.Utils.mix_cache() == :filename.basedir(:user_cache, "mix")
end
end
defp assert_ebin_symlinked_or_copied(result) do
case result do
{:ok, paths} ->
assert Path.expand("_build/archive/ebin") in paths
:ok ->
expected_link =
case :os.type() do
# relative symlink on Windows are broken, see symlink_or_copy/2
{:win32, _} ->
"ebin" |> Path.expand() |> String.to_charlist()
_ ->
'../../ebin'
end
{:ok, actual_link} = :file.read_link("_build/archive/ebin")
assert actual_link == expected_link
_ ->
msg =
"expected symlink_or_copy to return :ok or {:ok, list_of_paths}, got: #{inspect(result)}"
flunk(msg)
end
end
end
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