add functions `system_tmpdir/0,1` and `reset_dir/1`

(in `rebar_file_utils`)

1 files changed, 86 insertions, 0 deletions

diff --git a/test/rebar_file_utils_SUITE.erl b/test/rebar_file_utils_SUITE.erl
new file mode 100644
index 0000000..67926de
--- /dev/null
+++ b/test/rebar_file_utils_SUITE.erl
@@ -0,0 +1,86 @@
+-module(rebar_file_utils_SUITE).
+
+-export([all/0,
+         groups/0,
+         init_per_group/2,
+         end_per_group/2,
+         raw_tmpdir/1,
+         empty_tmpdir/1,
+         simple_tmpdir/1,
+         multi_tmpdir/1,
+         reset_nonexistent_dir/1,
+         reset_empty_dir/1,
+         reset_dir/1]).
+
+-include_lib("common_test/include/ct.hrl").
+-include_lib("eunit/include/eunit.hrl").
+-include_lib("kernel/include/file.hrl").
+
+
+all() ->
+    [{group, tmpdir},
+     {group, reset_dir}].
+
+groups() ->
+    [{tmpdir, [], [raw_tmpdir, empty_tmpdir, simple_tmpdir, multi_tmpdir]},
+     {reset_dir, [], [reset_nonexistent_dir, reset_empty_dir, reset_dir]}].
+
+init_per_group(reset_dir, Config) ->
+    TmpDir = rebar_file_utils:system_tmpdir(["rebar_file_utils_SUITE", "resetable"]),
+    [{tmpdir, TmpDir}|Config];
+init_per_group(_, Config) -> Config.
+end_per_group(_, Config) -> Config.
+
+raw_tmpdir(_Config) ->
+    case rebar_file_utils:system_tmpdir() of
+        "/tmp"  -> ok;
+        "./tmp" -> ok
+    end.
+
+empty_tmpdir(_Config) ->
+    case rebar_file_utils:system_tmpdir([]) of
+        "/tmp"  -> ok;
+        "./tmp" -> ok
+    end.
+
+simple_tmpdir(_Config) ->
+    case rebar_file_utils:system_tmpdir(["test"]) of
+        "/tmp/test"  -> ok;
+        "./tmp/test" -> ok
+    end.
+
+multi_tmpdir(_Config) ->
+    case rebar_file_utils:system_tmpdir(["a", "b", "c"]) of
+        "/tmp/a/b/c"  -> ok;
+        "./tmp/a/b/c" -> ok
+    end.
+
+reset_nonexistent_dir(Config) ->
+    TmpDir = ?config(tmpdir, Config),
+    _ = ec_file:remove(TmpDir, [recursive]),
+    ?assertNot(filelib:is_dir(TmpDir)),
+    ok = rebar_file_utils:reset_dir(TmpDir),
+    ?assert(filelib:is_dir(TmpDir)),
+    {ok, []} = file:list_dir_all(TmpDir).
+
+reset_empty_dir(Config) ->
+    TmpDir = ?config(tmpdir, Config),
+    _ = ec_file:remove(TmpDir, [recursive]),
+    _ = filelib:ensure_dir(filename:join([TmpDir, "dummy.beam"])),
+    ?assert(filelib:is_dir(TmpDir)),
+    ok = rebar_file_utils:reset_dir(TmpDir),
+    ?assert(filelib:is_dir(TmpDir)),
+    {ok, []} = file:list_dir_all(TmpDir).
+
+reset_dir(Config) ->
+    TmpDir = ?config(tmpdir, Config),
+    _ = ec_file:remove(TmpDir, [recursive]),
+    _ = filelib:ensure_dir(filename:join([TmpDir, "dummy.beam"])),
+    ?assert(filelib:is_dir(TmpDir)),
+    lists:foreach(fun(Name) -> file:write_file(filename:join([TmpDir, Name]), <<>>) end,
+                  ["a", "b", "c"]),
+    lists:foreach(fun(File) -> ?assert(filelib:is_file(filename:join([TmpDir, File]))) end,
+                  ["a", "b", "c"]),
+    ok = rebar_file_utils:reset_dir(TmpDir),
+    ?assert(filelib:is_dir(TmpDir)),
+    {ok, []} = file:list_dir_all(TmpDir).