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% 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(fabric2_node_types_tests).
-include_lib("eunit/include/eunit.hrl").
-define(TDEF(A), {atom_to_list(A), fun A/1}).
node_types_test_() ->
{
"Test node types",
setup,
fun() ->
os:putenv("COUCHDB_NODE_TYPE_FOO", "false"),
os:putenv("COUCHDB_NODE_TYPE_BAZ", "true"),
os:putenv("COUCHDB_NODE_TYPE_ZIG", ""),
% erlfdb, rexi and mem3 are all dependent apps for fabric. We make
% sure to start them so when fabric is started during the test it
% already has its dependencies
test_util:start_couch([erlfdb, rexi, mem3, ctrace, fabric])
end,
fun(Ctx) ->
test_util:stop_couch(Ctx),
application:unset_env(fabric, node_types),
os:unsetenv("COUCHDB_NODE_TYPE_FOO"),
os:unsetenv("COUCHDB_NODE_TYPE_BAZ"),
os:unsetenv("COUCHDB_NODE_TYPE_ZIG")
end,
with([
?TDEF(basics),
?TDEF(os_env_priority)
])
}.
with(Tests) ->
fun(ArgsTuple) ->
[{Name, ?_test(Fun(ArgsTuple))} || {Name, Fun} <- Tests]
end.
basics(_) ->
% default is true for new types
?assert(fabric2_node_types:is_type(some_new_node_type)),
% defined in os env
?assert(fabric2_node_types:is_type(baz)),
?assert(not fabric2_node_types:is_type(foo)),
?assert(fabric2_node_types:is_type(zig)),
% defined in app env
application:set_env(fabric, node_types, [{zag, true}, {bam, false}]),
?assert(fabric2_node_types:is_type(zag)),
?assert(not fabric2_node_types:is_type(bam)).
os_env_priority(_) ->
% os env takes precedence
application:set_env(fabric, node_types, [{foo, true}, {baz, false}]),
?assert(not fabric2_node_types:is_type(foo)),
?assert(fabric2_node_types:is_type(baz)).
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