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-rw-r--r--lib/eunit/src/eunit_data.erl21
-rw-r--r--lib/eunit/src/eunit_lib.erl39
-rw-r--r--lib/eunit/src/eunit_test.erl22
3 files changed, 67 insertions, 15 deletions
diff --git a/lib/eunit/src/eunit_data.erl b/lib/eunit/src/eunit_data.erl
index 392d378a0e..da66864439 100644
--- a/lib/eunit/src/eunit_data.erl
+++ b/lib/eunit/src/eunit_data.erl
@@ -156,7 +156,8 @@ iter_prev(#iter{prev = [T | Ts]} = I) ->
%% @spec (tests()) -> none | {testItem(), tests()}
%% @type testItem() = #test{} | #group{}
%% @throws {bad_test, term()}
-%% | {generator_failed, exception()}
+%% | {generator_failed, {{M::atom(),F::atom(),A::integer()},
+%% exception()}}
%% | {no_such_function, eunit_lib:mfa()}
%% | {module_not_found, moduleName()}
%% | {application_not_found, appName()}
@@ -221,17 +222,27 @@ parse({foreachx, P, S1, C1, Ps} = T)
[] ->
{data, []}
end;
-parse({generator, F} = T) when is_function(F) ->
+parse({generator, F}) when is_function(F) ->
+ {module, M} = erlang:fun_info(F, module),
+ {name, N} = erlang:fun_info(F, name),
+ {arity, A} = erlang:fun_info(F, arity),
+ parse({generator, F, {M,N,A}});
+parse({generator, F, {M,N,A}} = T)
+ when is_function(F), is_atom(M), is_atom(N), is_integer(A) ->
check_arity(F, 0, T),
%% use run_testfun/1 to handle wrapper exceptions
case eunit_test:run_testfun(F) of
{ok, T1} ->
+ case eunit_lib:is_not_test(T1) of
+ true -> throw({bad_generator, {{M,N,A}, T1}});
+ false -> ok
+ end,
{data, T1};
{error, {Class, Reason, Trace}} ->
- throw({generator_failed, {Class, Reason, Trace}})
+ throw({generator_failed, {{M,N,A}, {Class, Reason, Trace}}})
end;
parse({generator, M, F}) when is_atom(M), is_atom(F) ->
- parse({generator, eunit_test:function_wrapper(M, F)});
+ parse({generator, eunit_test:mf_wrapper(M, F), {M,F,0}});
parse({inorder, T}) ->
group(#group{tests = T, order = inorder});
parse({inparallel, T}) ->
@@ -422,7 +433,7 @@ parse_function(F) when is_function(F) ->
check_arity(F, 0, F),
#test{f = F, location = eunit_lib:fun_parent(F)};
parse_function({M,F}) when is_atom(M), is_atom(F) ->
- #test{f = eunit_test:function_wrapper(M, F), location = {M, F, 0}};
+ #test{f = eunit_test:mf_wrapper(M, F), location = {M, F, 0}};
parse_function(F) ->
bad_test(F).
diff --git a/lib/eunit/src/eunit_lib.erl b/lib/eunit/src/eunit_lib.erl
index 5d7025f038..f0fd26eb5d 100644
--- a/lib/eunit/src/eunit_lib.erl
+++ b/lib/eunit/src/eunit_lib.erl
@@ -30,7 +30,8 @@
-export([dlist_next/1, uniq/1, fun_parent/1, is_string/1, command/1,
command/2, command/3, trie_new/0, trie_store/2, trie_match/2,
split_node/1, consult_file/1, list_dir/1, format_exit_term/1,
- format_exception/1, format_exception/2, format_error/1]).
+ format_exception/1, format_exception/2, format_error/1,
+ is_not_test/1]).
%% Type definitions for describing exceptions
@@ -158,9 +159,13 @@ is_op(_M, _F, _A) ->
format_error({bad_test, Term}) ->
error_msg("bad test descriptor", "~P", [Term, 15]);
-format_error({generator_failed, Exception}) ->
- error_msg("test generator failed", "~s",
- [format_exception(Exception)]);
+format_error({bad_generator, {{M,F,A}, Term}}) ->
+ error_msg(io_lib:format("result from generator ~w:~w/~w is not a test",
+ [M,F,A]),
+ "~P", [Term, 15]);
+format_error({generator_failed, {{M,F,A}, Exception}}) ->
+ error_msg(io_lib:format("test generator ~w:~w/~w failed",[M,F,A]),
+ "~s", [format_exception(Exception)]);
format_error({no_such_function, {M,F,A}})
when is_atom(M), is_atom(F), is_integer(A) ->
error_msg(io_lib:format("no such function: ~w:~w/~w", [M,F,A]),
@@ -177,6 +182,10 @@ format_error({setup_failed, Exception}) ->
format_error({cleanup_failed, Exception}) ->
error_msg("context cleanup failed", "~s",
[format_exception(Exception)]);
+format_error({{bad_instantiator, {{M,F,A}, Term}}, _DummyException}) ->
+ error_msg(io_lib:format("result from instantiator ~w:~w/~w is not a test",
+ [M,F,A]),
+ "~P", [Term, 15]);
format_error({instantiation_failed, Exception}) ->
error_msg("instantiation of subtests failed", "~s",
[format_exception(Exception)]).
@@ -202,6 +211,28 @@ format_exception_test_() ->
-endif.
%% ---------------------------------------------------------------------
+%% detect common return values that are definitely not tests
+
+is_not_test(T) ->
+ case T of
+ ok -> true;
+ error -> true;
+ true -> true;
+ false -> true;
+ undefined -> true;
+ {ok, _} -> true;
+ {error, _} -> true;
+ {'EXIT', _} -> true;
+ N when is_number(N) -> true;
+ [N|_] when is_number(N) -> true;
+ X when is_binary(X) -> true;
+ X when is_pid(X) -> true;
+ X when is_port(X) -> true;
+ X when is_reference(X) -> true;
+ _ -> false
+ end.
+
+%% ---------------------------------------------------------------------
%% Deep list iterator; accepts improper lists/sublists, and also accepts
%% non-lists on the top level. Nonempty strings (not deep strings) are
%% recognized as separate elements, even on the top level. (It is not
diff --git a/lib/eunit/src/eunit_test.erl b/lib/eunit/src/eunit_test.erl
index 3457b5ee21..9cf40a738d 100644
--- a/lib/eunit/src/eunit_test.erl
+++ b/lib/eunit/src/eunit_test.erl
@@ -21,8 +21,7 @@
-module(eunit_test).
--export([run_testfun/1, function_wrapper/2, enter_context/4,
- multi_setup/1]).
+-export([run_testfun/1, mf_wrapper/2, enter_context/4, multi_setup/1]).
-include("eunit.hrl").
@@ -262,7 +261,7 @@ macro_test_() ->
%% @type wrapperError() = {no_such_function, mfa()}
%% | {module_not_found, moduleName()}
-function_wrapper(M, F) ->
+mf_wrapper(M, F) ->
fun () ->
try M:F()
catch
@@ -293,12 +292,12 @@ fail(Term) ->
wrapper_test_() ->
{"error handling in function wrapper",
[?_assertException(throw, {module_not_found, eunit_nonexisting},
- run_testfun(function_wrapper(eunit_nonexisting,test))),
+ run_testfun(mf_wrapper(eunit_nonexisting,test))),
?_assertException(throw,
{no_such_function, {?MODULE,nonexisting_test,0}},
- run_testfun(function_wrapper(?MODULE,nonexisting_test))),
+ run_testfun(mf_wrapper(?MODULE,nonexisting_test))),
?_test({error, {error, undef, _T}}
- = run_testfun(function_wrapper(?MODULE,wrapper_test_exported_)))
+ = run_testfun(mf_wrapper(?MODULE,wrapper_test_exported_)))
]}.
%% this must be exported (done automatically by the autoexport transform)
@@ -323,6 +322,17 @@ enter_context(Setup, Cleanup, Instantiate, Callback) ->
R ->
try Instantiate(R) of
T ->
+ case eunit_lib:is_not_test(T) of
+ true ->
+ catch throw(error), % generate a stack trace
+ {module,M} = erlang:fun_info(Instantiate, module),
+ {name,N} = erlang:fun_info(Instantiate, name),
+ {arity,A} = erlang:fun_info(Instantiate, arity),
+ context_error({bad_instantiator, {{M,N,A},T}},
+ error, badarg);
+ false ->
+ ok
+ end,
try Callback(T) %% call back to client code
after
%% Always run cleanup; client may be an idiot
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 06:27:39 +0000