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authorBjörn-Egil Dahlberg <[email protected]>2012-10-12 17:54:30 +0200
committerBjörn-Egil Dahlberg <[email protected]>2012-10-16 16:16:28 +0200
commit7f341797febc67762af4fb430b0e69d21aad6dcf (patch)
tree463593e7d19b11e9b3153d46629c483b6be1997b /lib/kernel/test
parentd4172bde993275f26b62b53af85a5ac092846dad (diff)
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test: Add test for heart restart on crash
* node_start_immediately_after_crash tests that heart restarts beam upon a crash and will not generate a crash dump
Diffstat (limited to 'lib/kernel/test')
-rw-r--r--lib/kernel/test/heart_SUITE.erl135
1 files changed, 95 insertions, 40 deletions
diff --git a/lib/kernel/test/heart_SUITE.erl b/lib/kernel/test/heart_SUITE.erl
index 943de48f6a..de278f9e69 100644
--- a/lib/kernel/test/heart_SUITE.erl
+++ b/lib/kernel/test/heart_SUITE.erl
@@ -22,7 +22,7 @@
-export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1,
init_per_group/2,end_per_group/2, start/1, restart/1,
- reboot/1, set_cmd/1, clear_cmd/1, get_cmd/1,
+ reboot/1, node_start_immediately_after_crash/1, set_cmd/1, clear_cmd/1, get_cmd/1,
dont_drop/1, kill_pid/1]).
-export([init_per_testcase/2, end_per_testcase/2]).
@@ -57,8 +57,12 @@ end_per_testcase(_Func, Config) ->
%%-----------------------------------------------------------------
suite() -> [{ct_hooks,[ts_install_cth]}].
-all() ->
- [start, restart, reboot, set_cmd, clear_cmd, get_cmd, kill_pid].
+all() -> [
+ start, restart, reboot,
+ node_start_immediately_after_crash,
+ set_cmd, clear_cmd, get_cmd,
+ kill_pid
+ ].
groups() ->
[].
@@ -80,10 +84,15 @@ init_per_suite(Config) when is_list(Config) ->
end_per_suite(Config) when is_list(Config) ->
Config.
+
start_check(Type, Name) ->
+ start_check(Type, Name, []).
+start_check(Type, Name, Envs) ->
Args = case ?t:os_type() of
- {win32,_} -> "-heart -env HEART_COMMAND no_reboot";
- _ -> "-heart"
+ {win32,_} ->
+ "-heart " ++ env_encode([{"HEART_COMMAND", no_reboot}|Envs]);
+ _ ->
+ "-heart " ++ env_encode(Envs)
end,
{ok, Node} = case Type of
loose ->
@@ -123,6 +132,10 @@ start(Config) when is_list(Config) ->
%% Slave executes erlang:halt() on master nodedown.
%% Therefore the slave process has to be killed
%% before restart.
+
+%% restart
+%% Purpose:
+%% Check that a node is up and running after a init:restart/0
restart(doc) -> [];
restart(suite) ->
case ?t:os_type() of
@@ -141,23 +154,12 @@ restart(Config) when is_list(Config) ->
test_server:fail(node_not_closed)
end,
test_server:sleep(5000),
-
- case net_adm:ping(Node) of
- pong ->
- erlang:monitor_node(Node, true),
- rpc:call(Node, init, stop, []),
- receive
- {nodedown, Node} ->
- ok
- after 2000 ->
- test_server:fail(node_not_closed2)
- end,
- ok;
- _ ->
- test_server:fail(node_not_restarted)
- end,
+ node_check_up_down(Node, 2000),
loose_node:stop(Node).
+%% reboot
+%% Purpose:
+%% Check that a node is up and running after a init:reboot/0
reboot(doc) -> [];
reboot(suite) -> {req, [{time, 10}]};
reboot(Config) when is_list(Config) ->
@@ -174,21 +176,56 @@ reboot(Config) when is_list(Config) ->
test_server:fail(node_not_closed)
end,
test_server:sleep(5000),
+ node_check_up_down(Node, 2000),
+ ok.
+
+%% node_start_immediately_after_crash
+%% Purpose:
+%% Check that a node is up and running after a crash.
+%% This test exhausts the atom table on the remote node.
+%% ERL_CRASH_DUMP_SECONDS=0 will force beam not to dump an erl_crash.dump.
+node_start_immediately_after_crash(suite) -> {req, [{time, 10}]};
+node_start_immediately_after_crash(Config) when is_list(Config) ->
+ {ok, Node} = start_check(slave, heart_test, [{"ERL_CRASH_DUMP_SECONDS", "0"}]),
+
+ ok = rpc:call(Node, heart, set_cmd,
+ [atom_to_list(lib:progname()) ++
+ " -noshell -heart " ++ name(Node) ++ "&"]),
+
+ Mod = exhaust_atoms,
+
+ Code = generate(Mod, [], [
+ "do() -> " ++
+ " Set = lists:seq($a,$z), " ++
+ " [ list_to_atom([A,B,C,D,E]) || " ++
+ " A <- Set, B <- Set, C <- Set, E <- Set, D <- Set ]."
+ ]),
+
+ %% crash it with atom exhaustion
+ rpc:call(Node, erlang, load_module, [Mod, Code]),
+ rpc:cast(Node, Mod, do, []),
+
+
+ receive {nodedown, Node} -> ok
+ after 2000 -> test_server:fail(node_not_closed)
+ end,
+ test_server:sleep(5000),
+ node_check_up_down(Node, 2000),
+ ok.
+
+node_check_up_down(Node, Tmo) ->
case net_adm:ping(Node) of
pong ->
erlang:monitor_node(Node, true),
rpc:call(Node, init, reboot, []),
receive
- {nodedown, Node} ->
- ok
- after 2000 ->
+ {nodedown, Node} -> ok
+ after Tmo ->
test_server:fail(node_not_closed2)
- end,
- ok;
+ end;
_ ->
test_server:fail(node_not_rebooted)
- end,
- ok.
+ end.
%% Only tests bad command, correct behaviour is tested in reboot/1.
set_cmd(suite) -> [];
@@ -272,8 +309,7 @@ dont_drop(Config) when is_list(Config) ->
ok
end.
-do_dont_drop(_,0) ->
- [];
+do_dont_drop(_,0) -> [];
do_dont_drop(Config,N) ->
%% Name of first slave node
NN1 = atom_to_list(?MODULE) ++ "slave_1",
@@ -385,15 +421,13 @@ name([H|T], Name) ->
name(T, [H|Name]).
-atom_conv(A) when is_atom(A) ->
- atom_to_list(A);
-atom_conv(A) when is_list(A) ->
- A.
+enc(A) when is_atom(A) -> atom_to_list(A);
+enc(A) when is_binary(A) -> binary_to_list(A);
+enc(A) when is_list(A) -> A.
-env_conv([]) ->
- [];
-env_conv([{X,Y}|T]) ->
- atom_conv(X) ++ " \"" ++ atom_conv(Y) ++ "\" " ++ env_conv(T).
+env_encode([]) -> [];
+env_encode([{X,Y}|T]) ->
+ "-env " ++ enc(X) ++ " \"" ++ enc(Y) ++ "\" " ++ env_encode(T).
%%%
%%% Starts a node and runs a function in this
@@ -405,10 +439,10 @@ env_conv([{X,Y}|T]) ->
%%%
start_node_run(Name, Env, Function, Argument) ->
PA = filename:dirname(code:which(?MODULE)),
- Params = "-heart -env " ++ env_conv(Env) ++ " -pa " ++ PA ++
+ Params = "-heart " ++ env_encode(Env) ++ " -pa " ++ PA ++
" -s " ++
- atom_conv(?MODULE) ++ " " ++ atom_conv(Function) ++ " " ++
- atom_conv(Argument),
+ enc(?MODULE) ++ " " ++ enc(Function) ++ " " ++
+ enc(Argument),
start_node(Name, Params).
start_node(Name, Param) ->
@@ -475,3 +509,24 @@ suicide_by_heart() ->
{makaronipudding} ->
sallad
end.
+
+
+%% generate a module from binary
+generate(Module, Attributes, FunStrings) ->
+ FunForms = function_forms(FunStrings),
+ Forms = [
+ {attribute,1,module,Module},
+ {attribute,2,export,[FA || {FA,_} <- FunForms]}
+ ] ++ [{attribute, 3, A, V}|| {A, V} <- Attributes] ++
+ [ Function || {_, Function} <- FunForms],
+ {ok, Module, Bin} = compile:forms(Forms),
+ Bin.
+
+
+function_forms([]) -> [];
+function_forms([S|Ss]) ->
+ {ok, Ts,_} = erl_scan:string(S),
+ {ok, Form} = erl_parse:parse_form(Ts),
+ Fun = element(3, Form),
+ Arity = element(4, Form),
+ [{{Fun,Arity}, Form}|function_forms(Ss)].