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From chewbra...@apache.org
Subject [50/50] [abbrv] couch commit: updated refs/heads/1963-eunit-bigcouch to 95bfc03
Date Fri, 15 Aug 2014 20:25:17 GMT
WIP: Add test_util

The addition of start_config here is suboptimal, but starting couch
requires config to be running, and a number of the tests also want
config running, so this is a (temporary?) workaround to make sure you
can always get a fresh config instance.

Currently the request function is unused, but I think we should
migrate tests making requests to use it.


Project: http://git-wip-us.apache.org/repos/asf/couchdb-couch/repo
Commit: http://git-wip-us.apache.org/repos/asf/couchdb-couch/commit/dc041fe1
Tree: http://git-wip-us.apache.org/repos/asf/couchdb-couch/tree/dc041fe1
Diff: http://git-wip-us.apache.org/repos/asf/couchdb-couch/diff/dc041fe1

Branch: refs/heads/1963-eunit-bigcouch
Commit: dc041fe142eea70202263300f396a2f1a597fc11
Parents: 7114666
Author: Russell Branca <chewbranca@apache.org>
Authored: Fri Aug 15 12:56:57 2014 -0700
Committer: Russell Branca <chewbranca@apache.org>
Committed: Fri Aug 15 13:24:06 2014 -0700

----------------------------------------------------------------------
 src/test_util.erl | 141 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 141 insertions(+)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/couchdb-couch/blob/dc041fe1/src/test_util.erl
----------------------------------------------------------------------
diff --git a/src/test_util.erl b/src/test_util.erl
new file mode 100644
index 0000000..dfc915f
--- /dev/null
+++ b/src/test_util.erl
@@ -0,0 +1,141 @@
+% 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(test_util).
+
+-export([init_code_path/0]).
+-export([source_file/1, build_file/1, config_files/0]).
+%% -export([run/2]).
+-export([request/3, request/4]).
+-export([start_couch/0, start_couch/1, stop_couch/0, stop_couch/1]).
+-export([start_config/1, stop_config/1]).
+
+
+srcdir() ->
+    code:priv_dir(couch) ++ "/../../".
+
+builddir() ->
+    code:priv_dir(couch) ++ "/../../../".
+
+init_code_path() ->
+    Paths = [
+        "etap",
+        "couchdb",
+        "ejson",
+        "oauth",
+        "ibrowse",
+        "mochiweb",
+        "snappy"
+    ],
+    lists:foreach(fun(Name) ->
+        code:add_patha(filename:join([builddir(), "src", Name]))
+    end, Paths).
+
+source_file(Name) ->
+    filename:join([srcdir(), Name]).
+
+build_file(Name) ->
+    filename:join([builddir(), Name]).
+
+config_files() ->
+    [
+        build_file("etc/couchdb/default_dev.ini"),
+        build_file("test/random_port.ini"),
+        build_file("etc/couchdb/local_dev.ini")
+    ].
+
+
+request(Url, Headers, Method) ->
+    request(Url, Headers, Method, []).
+
+request(Url, Headers, Method, Body) ->
+    request(Url, Headers, Method, Body, 3).
+
+request(_Url, _Headers, _Method, _Body, 0) ->
+    {error, request_failed};
+request(Url, Headers, Method, Body, N) ->
+    case code:is_loaded(ibrowse) of
+    false ->
+        {ok, _} = ibrowse:start();
+    _ ->
+        ok
+    end,
+    case ibrowse:send_req(Url, Headers, Method, Body) of
+    {ok, Code0, RespHeaders, RespBody0} ->
+        Code = list_to_integer(Code0),
+        RespBody = iolist_to_binary(RespBody0),
+        {ok, Code, RespHeaders, RespBody};
+    {error, {'EXIT', {normal, _}}} ->
+        % Connection closed right after a successful request that
+        % used the same connection.
+        request(Url, Headers, Method, Body, N - 1);
+    Error ->
+        Error
+    end.
+
+
+start_couch() ->
+    start_couch(config_files()).
+
+
+start_couch(IniFiles) ->
+    ok = application:set_env(config, ini_files, IniFiles),
+    ok = lager:start(),
+    ok = start_applications([config, couch]),
+    ok.
+
+
+stop_couch() ->
+    ok = application:stop(couch),
+    ok = application:stop(lager),
+    ok = application:stop(config),
+    ok.
+
+
+stop_couch(_) ->
+    stop_couch().
+
+
+start_applications([]) ->
+    ok;
+start_applications([App|Apps]) ->
+    case application:start(App) of
+        {error, {already_started, _}} ->
+            ok;
+        {error, {not_started, Dep}} ->
+            start_applications([Dep, App | Apps]);
+        ok ->
+            ok
+    end,
+    start_applications(Apps).
+
+
+start_config(Chain) ->
+    case config:start_link(Chain) of
+        {ok, Pid} ->
+            {ok, Pid};
+        {error, {already_started, OldPid}}  ->
+            ok = stop_config(OldPid),
+            start_config(Chain)
+    end.
+
+
+stop_config(Pid) ->
+    Timeout = 1000,
+    erlang:monitor(process, Pid),
+    config:stop(),
+    receive
+        {'DOWN', _, _, Pid, _} ->
+            ok
+    after Timeout ->
+        throw({timeout_error, config_stop})
+    end.


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