test: configure module paths for queue init

Set up package paths so queue test instances could be run with arbitrary
work_dir.

Part of #215

Makefile

@@ -22,7 +22,7 @@ clean:
 
 .PHONY: deps
 deps: clean
-	( cd ./queue; tarantoolctl rocks install queue 1.2.1 )
+	( cd ./queue/testdata; tarantoolctl rocks install queue 1.2.1 )
 
 .PHONY: datetime-timezones
 datetime-timezones:

queue/testdata/config.lua

@@ -1,3 +1,28 @@
+-- configure path so that you can run application
+-- from outside the root directory
+if package.setsearchroot ~= nil then
+    package.setsearchroot()
+else
+    -- Workaround for rocks loading in tarantool 1.10
+    -- It can be removed in tarantool > 2.2
+    -- By default, when you do require('mymodule'), tarantool looks into
+    -- the current working directory and whatever is specified in
+    -- package.path and package.cpath. If you run your app while in the
+    -- root directory of that app, everything goes fine, but if you try to
+    -- start your app with "tarantool myapp/init.lua", it will fail to load
+    -- its modules, and modules from myapp/.rocks.
+    local fio = require('fio')
+    local app_dir = fio.abspath(fio.dirname(arg[0]))
+    package.path = app_dir .. '/?.lua;' .. package.path
+    package.path = app_dir .. '/?/init.lua;' .. package.path
+    package.path = app_dir .. '/.rocks/share/tarantool/?.lua;' .. package.path
+    package.path = app_dir .. '/.rocks/share/tarantool/?/init.lua;' .. package.path
+    package.cpath = app_dir .. '/?.so;' .. package.cpath
+    package.cpath = app_dir .. '/?.dylib;' .. package.cpath
+    package.cpath = app_dir .. '/.rocks/lib/tarantool/?.so;' .. package.cpath
+    package.cpath = app_dir .. '/.rocks/lib/tarantool/?.dylib;' .. package.cpath
+end
+
 local queue = require('queue')
 rawset(_G, 'queue', queue)
 

queue/testdata/pool.lua

@@ -1,3 +1,28 @@
+-- configure path so that you can run application
+-- from outside the root directory
+if package.setsearchroot ~= nil then
+    package.setsearchroot()
+else
+    -- Workaround for rocks loading in tarantool 1.10
+    -- It can be removed in tarantool > 2.2
+    -- By default, when you do require('mymodule'), tarantool looks into
+    -- the current working directory and whatever is specified in
+    -- package.path and package.cpath. If you run your app while in the
+    -- root directory of that app, everything goes fine, but if you try to
+    -- start your app with "tarantool myapp/init.lua", it will fail to load
+    -- its modules, and modules from myapp/.rocks.
+    local fio = require('fio')
+    local app_dir = fio.abspath(fio.dirname(arg[0]))
+    package.path = app_dir .. '/?.lua;' .. package.path
+    package.path = app_dir .. '/?/init.lua;' .. package.path
+    package.path = app_dir .. '/.rocks/share/tarantool/?.lua;' .. package.path
+    package.path = app_dir .. '/.rocks/share/tarantool/?/init.lua;' .. package.path
+    package.cpath = app_dir .. '/?.so;' .. package.cpath
+    package.cpath = app_dir .. '/?.dylib;' .. package.cpath
+    package.cpath = app_dir .. '/.rocks/lib/tarantool/?.so;' .. package.cpath
+    package.cpath = app_dir .. '/.rocks/lib/tarantool/?.dylib;' .. package.cpath
+end
+
 local queue = require('queue')
 rawset(_G, 'queue', queue)