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-rw-r--r--lib/diameter/test/diameter_app_SUITE.erl51
1 files changed, 37 insertions, 14 deletions
diff --git a/lib/diameter/test/diameter_app_SUITE.erl b/lib/diameter/test/diameter_app_SUITE.erl
index 6975e83830..84f8a66a8a 100644
--- a/lib/diameter/test/diameter_app_SUITE.erl
+++ b/lib/diameter/test/diameter_app_SUITE.erl
@@ -249,11 +249,10 @@ release() ->
end.
unversion(App) ->
- T = lists:dropwhile(fun is_vsn_ch/1, lists:reverse(App)),
- lists:reverse(case T of [$-|TT] -> TT; _ -> T end).
-
-is_vsn_ch(C) ->
- $0 =< C andalso C =< $9 orelse $. == C.
+ {Name, [$-|Vsn]} = lists:splitwith(fun(C) -> C /= $- end, App),
+ true = is_app(Name), %% assert
+ Vsn = vsn_str(Vsn), %%
+ Name.
app('$M_EXPR') -> %% could be anything but assume it's ok
"erts";
@@ -322,11 +321,11 @@ acc_rel(Dir, Rel, {Vsn, _}, Acc) ->
%% Write a rel file and return its name.
write_rel(Dir, [Erts | Apps], Vsn) ->
- true = is_vsn(Vsn),
- Name = "diameter_test_" ++ Vsn,
+ VS = vsn_str(Vsn),
+ Name = "diameter_test_" ++ VS,
ok = write_file(filename:join([Dir, Name ++ ".rel"]),
{release,
- {"diameter " ++ Vsn ++ " test release", Vsn},
+ {"diameter " ++ VS ++ " test release", VS},
Erts,
Apps}),
Name.
@@ -341,10 +340,34 @@ fetch(Key, List) ->
write_file(Path, T) ->
file:write_file(Path, io_lib:format("~p.", [T])).
-%% Is a version string of the expected form? Return the argument
-%% itself for 'false' for a useful badmatch.
+%% Is a version string of the expected form?
is_vsn(V) ->
- is_list(V)
- andalso length(V) == string:span(V, "0123456789.")
- andalso V == string:join(string:tokens(V, [$.]), ".") %% no ".."
- orelse {error, V}.
+ V = vsn_str(V),
+ true.
+
+%% Turn a from/to version in appup to a version string after ensuring
+%% that it's valid version number of regexp. In the regexp case, the
+%% regexp itself becomes the version string since there's no
+%% requirement that a version in appup be anything but a string. The
+%% restrictions placed on string-valued version numbers (that they be
+%% '.'-separated integers) are our own.
+
+vsn_str(S)
+ when is_list(S) ->
+ {_, match} = {S, match(S, "^(0|[1-9][0-9]*)(\\.(0|[1-9][0-9]*))*$")},
+ {_, nomatch} = {S, match(S, "\\.0\\.0$")},
+ S;
+
+vsn_str(B)
+ when is_binary(B) ->
+ {ok, _} = re:compile(B),
+ binary_to_list(B).
+
+match(S, RE) ->
+ re:run(S, RE, [{capture, none}]).
+
+%% Is an application name of the expected form?
+is_app(S)
+ when is_list(S) ->
+ {_, match} = {S, match(S, "^([a-z]([a-z_]*|[a-zA-Z]*))$")},
+ true.