Moved ec_file tests into separate file

Signed-off-by: Ariel Otilibili <otilibil@eurecom.fr>

test/ec_file_tests.erl

@@ -0,0 +1,84 @@
+%%% @copyright 2024 Erlware, LLC.
+-module(ec_file_tests).
+
+-include_lib("eunit/include/eunit.hrl").
+
+setup_test() ->
+    Dir = ec_file:insecure_mkdtemp(),
+    ec_file:mkdir_path(Dir),
+    ?assertMatch(false, ec_file:is_symlink(Dir)),
+    ?assertMatch(true, filelib:is_dir(Dir)).
+
+md5sum_test() ->
+    ?assertMatch("cfcd208495d565ef66e7dff9f98764da", ec_file:md5sum("0")).
+
+sha1sum_test() ->
+    ?assertMatch("b6589fc6ab0dc82cf12099d1c2d40ab994e8410c", ec_file:sha1sum("0")).
+
+file_test() ->
+    Dir = ec_file:insecure_mkdtemp(),
+    TermFile = filename:join(Dir, "ec_file/dir/file.term"),
+    TermFileCopy = filename:join(Dir, "ec_file/dircopy/file.term"),
+    filelib:ensure_dir(TermFile),
+    filelib:ensure_dir(TermFileCopy),
+    ec_file:write_term(TermFile, "term"),
+    ?assertMatch({ok, <<"\"term\". ">>}, ec_file:read(TermFile)),
+    ec_file:copy(filename:dirname(TermFile),
+         filename:dirname(TermFileCopy),
+         [recursive]).
+
+teardown_test() ->
+    Dir = ec_file:insecure_mkdtemp(),
+    ec_file:remove(Dir, [recursive]),
+    ?assertMatch(false, filelib:is_dir(Dir)).
+
+setup_base_and_target() ->
+    BaseDir = ec_file:insecure_mkdtemp(),
+    DummyContents = <<"This should be deleted">>,
+    SourceDir = filename:join([BaseDir, "source"]),
+    ok = file:make_dir(SourceDir),
+    Name1 = filename:join([SourceDir, "fileone"]),
+    Name2 = filename:join([SourceDir, "filetwo"]),
+    Name3 = filename:join([SourceDir, "filethree"]),
+    NoName = filename:join([SourceDir, "noname"]),
+
+    ok = file:write_file(Name1, DummyContents),
+    ok = file:write_file(Name2, DummyContents),
+    ok = file:write_file(Name3, DummyContents),
+    ok = file:write_file(NoName, DummyContents),
+    {BaseDir, SourceDir, {Name1, Name2, Name3, NoName}}.
+
+exists_test() ->
+    BaseDir = ec_file:insecure_mkdtemp(),
+    SourceDir = filename:join([BaseDir, "source1"]),
+    NoName = filename:join([SourceDir, "noname"]),
+    ok = file:make_dir(SourceDir),
+    Name1 = filename:join([SourceDir, "fileone"]),
+    ok = file:write_file(Name1, <<"Testn">>),
+    ?assertMatch(true, ec_file:exists(Name1)),
+    ?assertMatch(false, ec_file:exists(NoName)).
+
+real_path_test() ->
+    BaseDir = "foo",
+    Dir = filename:absname(filename:join(BaseDir, "source1")),
+    LinkDir = filename:join([BaseDir, "link"]),
+    ok = ec_file:mkdir_p(Dir),
+    file:make_symlink(Dir, LinkDir),
+    ?assertEqual(Dir, ec_file:real_dir_path(LinkDir)),
+    ?assertEqual(directory, ec_file:type(Dir)),
+    ?assertEqual(symlink, ec_file:type(LinkDir)),
+    TermFile = filename:join(BaseDir, "test_file"),
+    ok = ec_file:write_term(TermFile, foo),
+    ?assertEqual(file, ec_file:type(TermFile)),
+    ?assertEqual(true, ec_file:is_symlink(LinkDir)),
+    ?assertEqual(false, ec_file:is_symlink(Dir)).
+
+find_test() ->
+    %% Create a directory in /tmp for the test. Clean everything afterwards
+    {BaseDir, _SourceDir, {Name1, Name2, Name3, _NoName}} = setup_base_and_target(),
+    Result = ec_file:find(BaseDir, "file[a-z]+\$"),
+    ?assertMatch(3, erlang:length(Result)),
+    ?assertEqual(true, lists:member(Name1, Result)),
+    ?assertEqual(true, lists:member(Name2, Result)),
+    ?assertEqual(true, lists:member(Name3, Result)),
+    ec_file:remove(BaseDir, [recursive]).