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-module(chttpd_stats_tests).
-include_lib("couch/include/couch_eunit.hrl").
-include_lib("couch/include/couch_db.hrl").
start() ->
ok = application:start(config),
ok = application:start(couch_log).
stop(_) ->
ok = application:stop(config),
ok = application:stop(couch_log).
setup() ->
ok = meck:new(chttpd_stats, [passthrough]).
teardown(_) ->
meck:unload(),
ok.
chttpd_stats_test_() ->
{
"chttpd_stats tests",
{
setup,
fun start/0,
fun stop/1,
{
foreach,
fun setup/0, fun teardown/1,
[
fun test_reset/1,
fun test_no_reset/1
]
}
}
}.
test_reset(_) ->
?_test(begin
chttpd_stats:init(undefined),
chttpd_stats:incr_rows(3),
chttpd_stats:incr_rows(),
chttpd_stats:incr_writes(5),
chttpd_stats:incr_writes(),
chttpd_stats:incr_reads(),
chttpd_stats:incr_reads(2),
State1 = get(chttpd_stats),
?assertMatch({st, 3, 6, 4, _, _, _, _}, State1),
ok = meck:expect(chttpd_stats, report, fun(_) -> true end),
% force a reset with 0 interval
chttpd_stats:update_interval(0),
% after this is called, the report should happen and rows should
% reset to 0
chttpd_stats:incr_rows(),
ResetState = get(chttpd_stats),
?assertMatch({st, 0, 0, 0, _, _, _, _}, ResetState)
end).
test_no_reset(_) ->
?_test(begin
ok = meck:expect(chttpd_stats, report, fun(_) -> false end),
chttpd_stats:init(undefined),
chttpd_stats:update_interval(0),
chttpd_stats:incr_rows(),
State = get(chttpd_stats),
?assertMatch({st, 0, 0, 1, _, _, _, _}, State)
end).
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