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Diffstat (limited to 'src/couch/test/eunit/couch_util_tests.erl')
| -rw-r--r-- | src/couch/test/eunit/couch_util_tests.erl | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/src/couch/test/eunit/couch_util_tests.erl b/src/couch/test/eunit/couch_util_tests.erl new file mode 100644 index 000000000..3e145c4f6 --- /dev/null +++ b/src/couch/test/eunit/couch_util_tests.erl @@ -0,0 +1,170 @@ +% Licensed under the Apache License, Version 2.0 (the "License"); you may not +% use this file except in compliance with the License. You may obtain a copy of +% the License at +% +% http://www.apache.org/licenses/LICENSE-2.0 +% +% Unless required by applicable law or agreed to in writing, software +% distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +% WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +% License for the specific language governing permissions and limitations under +% the License. + +-module(couch_util_tests). + +-include_lib("couch/include/couch_eunit.hrl"). + + +setup() -> + %% We cannot start driver from here since it becomes bounded to eunit + %% master process and the next couch_server_sup:start_link call will + %% fail because server couldn't load driver since it already is. + %% + %% On other hand, we cannot unload driver here due to + %% {error, not_loaded_by_this_process} while it is. Any ideas is welcome. + %% + Ctx = test_util:start_couch(), + %% config:start_link(?CONFIG_CHAIN), + %% {ok, _} = couch_drv:start_link(), + Ctx. + +teardown(Ctx) -> + ok = test_util:stop_couch(Ctx), + %% config:stop(), + %% erl_ddll:unload_driver(couch_icu_driver), + ok. + + +collation_test_() -> + { + "Collation tests", + [ + { + setup, + fun setup/0, fun teardown/1, + [ + should_collate_ascii(), + should_collate_non_ascii() + ] + } + ] + }. + +validate_callback_exists_test_() -> + { + "validate_callback_exists tests", + [ + fun should_succeed_for_existent_cb/0, + should_fail_for_missing_cb() + ] + }. + +should_collate_ascii() -> + ?_assertEqual(1, couch_util:collate(<<"foo">>, <<"bar">>)). + +should_collate_non_ascii() -> + ?_assertEqual(-1, couch_util:collate(<<"A">>, <<"aa">>)). + +to_existed_atom_test() -> + ?assert(couch_util:to_existing_atom(true)), + ?assertMatch(foo, couch_util:to_existing_atom(<<"foo">>)), + ?assertMatch(foobarbaz, couch_util:to_existing_atom("foobarbaz")). + +implode_test() -> + ?assertEqual([1, 38, 2, 38, 3], couch_util:implode([1, 2, 3], "&")). + +trim_test() -> + lists:map(fun(S) -> ?assertEqual("foo", couch_util:trim(S)) end, + [" foo", "foo ", "\tfoo", " foo ", "foo\t", "foo\n", "\nfoo"]). + +abs_pathname_test() -> + {ok, Cwd} = file:get_cwd(), + ?assertEqual(Cwd ++ "/foo", couch_util:abs_pathname("./foo")). + +flush_test() -> + ?assertNot(couch_util:should_flush()), + AcquireMem = fun() -> + _IntsToAGazillion = lists:seq(1, 200000), + _LotsOfData = lists:map(fun(_) -> <<"foobar">> end, + lists:seq(1, 500000)), + _ = list_to_binary(_LotsOfData), + + %% Allocation 200K tuples puts us above the memory threshold + %% Originally, there should be: + %% ?assertNot(should_flush()) + %% however, unlike for etap test, GC collects all allocated bits + %% making this conditions fail. So we have to invert the condition + %% since GC works, cleans the memory and everything is fine. + ?assertNot(couch_util:should_flush()) + end, + AcquireMem(), + + %% Checking to flush invokes GC + ?assertNot(couch_util:should_flush()). + +verify_test() -> + ?assert(couch_util:verify("It4Vooya", "It4Vooya")), + ?assertNot(couch_util:verify("It4VooyaX", "It4Vooya")), + ?assert(couch_util:verify(<<"ahBase3r">>, <<"ahBase3r">>)), + ?assertNot(couch_util:verify(<<"ahBase3rX">>, <<"ahBase3r">>)), + ?assertNot(couch_util:verify(nil, <<"ahBase3r">>)). + +find_in_binary_test_() -> + Cases = [ + {<<"foo">>, <<"foobar">>, {exact, 0}}, + {<<"foo">>, <<"foofoo">>, {exact, 0}}, + {<<"foo">>, <<"barfoo">>, {exact, 3}}, + {<<"foo">>, <<"barfo">>, {partial, 3}}, + {<<"f">>, <<"fobarfff">>, {exact, 0}}, + {<<"f">>, <<"obarfff">>, {exact, 4}}, + {<<"f">>, <<"obarggf">>, {exact, 6}}, + {<<"f">>, <<"f">>, {exact, 0}}, + {<<"f">>, <<"g">>, not_found}, + {<<"foo">>, <<"f">>, {partial, 0}}, + {<<"foo">>, <<"g">>, not_found}, + {<<"foo">>, <<"">>, not_found}, + {<<"fofo">>, <<"foofo">>, {partial, 3}}, + {<<"foo">>, <<"gfobarfo">>, {partial, 6}}, + {<<"foo">>, <<"gfobarf">>, {partial, 6}}, + {<<"foo">>, <<"gfobar">>, not_found}, + {<<"fog">>, <<"gbarfogquiz">>, {exact, 4}}, + {<<"ggg">>, <<"ggg">>, {exact, 0}}, + {<<"ggg">>, <<"ggggg">>, {exact, 0}}, + {<<"ggg">>, <<"bggg">>, {exact, 1}}, + {<<"ggg">>, <<"bbgg">>, {partial, 2}}, + {<<"ggg">>, <<"bbbg">>, {partial, 3}}, + {<<"ggg">>, <<"bgbggbggg">>, {exact, 6}}, + {<<"ggg">>, <<"bgbggb">>, not_found} + ], + lists:map( + fun({Needle, Haystack, Result}) -> + Msg = lists:flatten(io_lib:format("Looking for ~s in ~s", + [Needle, Haystack])), + {Msg, ?_assertMatch(Result, + couch_util:find_in_binary(Needle, Haystack))} + end, Cases). + +should_succeed_for_existent_cb() -> + ?_assert(couch_util:validate_callback_exists(lists, any, 2)). + +should_fail_for_missing_cb() -> + Cases = [ + {unknown_module, any, 1}, + {erlang, unknown_function, 1}, + {erlang, whereis, 100} + ], + lists:map( + fun({M, F, A} = MFA) -> + Name = lists:flatten(io_lib:format("~w:~w/~w", [M, F, A])), + {Name, ?_assertThrow( + {error, {undefined_callback, Name, MFA}}, + couch_util:validate_callback_exists(M, F, A))} + end, Cases). + +to_hex_test_() -> + [ + ?_assertEqual("", couch_util:to_hex([])), + ?_assertEqual("010203faff", couch_util:to_hex([1, 2, 3, 250, 255])), + ?_assertEqual("", couch_util:to_hex(<<>>)), + ?_assertEqual("010203faff", couch_util:to_hex(<<1, 2, 3, 250, 255>>)) + ]. |