Test. Use pegasus server to dump mime content.

appveyor.yml

@@ -39,6 +39,7 @@ install:
       hererocks c:\hererocks --%LUA% --target %HR_TARGET% -rlatest
     )
   - call c:\hererocks\bin\activate
+  - luarocks show luarocks-fetch-gitrec >nul 2>&1 || luarocks install luarocks-fetch-gitrec
 
 before_build:
   # external deps
@@ -57,6 +58,10 @@ before_test:
   - luarocks show dkjson >nul 2>&1 || luarocks install dkjson
   - luarocks show luafilesystem >nul 2>&1 || luarocks install luafilesystem
   - luarocks show lua-path >nul 2>&1 || luarocks install lua-path
+  - luarocks show pegasus >nul 2>&1 || luarocks install pegasus http.parser \
+    --server=http://luarocks.org/manifests/moteus
+  - ps: $TestServer = Start-Process lua -ArgumentList test/server.lua -PassThru
+  - curl -s http://127.0.0.1:7090
 
 test_script:
   - echo "Testing..."
@@ -69,3 +74,6 @@ test_script:
 after_test:
   - cd %APPVEYOR_BUILD_FOLDER%
   - .appveyor\pack_artifact.bat lua-curl bin-rock
+
+on_finish:
+  - ps: Stop-Process -Id $TestServer.Id

test/server.lua

@@ -0,0 +1,18 @@
+local function prequire(m)
+  local ok, err = pcall(require, m)
+  if not ok then return nil, err end
+  return err
+end
+
+local uv      = prequire "lluv"
+local Pegasus = require (uv and "lluv.pegasus" or "pegasus")
+
+local server = Pegasus:new{host = '127.0.0.1', port = 7090}
+
+server:start(function(request, response)
+  response:statusCode(200)
+  response:addHeader('Content-Type', 'text/plain')
+  response:write('Hello from Pegasus')
+end)
+
+if uv then uv.run() end

test/test_mime.lua

@@ -13,16 +13,11 @@ local TEST_CASE  = assert(lunit.TEST_CASE)
 local skip       = lunit.skip or function() end
 
 local curl      = require "lcurl"
+local utils     = require "utils"
 
-local function weak_ptr(val)
-  return setmetatable({value = val}, {__mode = 'v'})
-end
+local weak_ptr, gc_collect, dump_mime_ = utils.import('weak_ptr', 'gc_collect', 'dump_mime')
 
-local function gc_collect(n)
-  for i = 1, (n or 10) do
-    collectgarbage("collect")
-  end
-end
+local dump_mime_url = 'http://127.0.0.1:7090'
 
 local function is_freed(c)
   return not not string.find(tostring(c), '%(freed%)')
@@ -185,4 +180,81 @@ end
 
 end
 
+local _ENV = TEST_CASE'mime basic' if not curl.OPT_MIMEPOST then
+function test() skip("MIMI API supports since cURL 7.56.0") end
+else
+
+local easy, mime
+
+local function dump_mime(mime)
+  return dump_mime_(easy, mime, dump_mime_url)
+end
+
+function setup()
+  easy = curl.easy()
+  mime = easy:mime()
+end
+
+function teardown()
+  if easy then easy:close() end
+  if mime then mime:free() end
+  easy, mime = nil
+end
+
+function test_data()
+  mime:addpart():data('hello')
+  local info = assert_string(dump_mime(mime))
+  assert_match('\r\n\r\nhello', info)
+end
+
+function test_data_type()
+  mime:addpart():data('hello', 'text/html')
+  local info = assert_string(dump_mime(mime))
+  assert_match('\r\n\r\nhello', info)
+  assert_match('Content%-Type:%s+text/html', info)
+end
+
+function test_data_type_name()
+  mime:addpart():data('hello', 'text/html', 'test')
+  local info = assert_string(dump_mime(mime))
+  assert_match('\r\n\r\nhello', info)
+  assert_match('Content%-Type:%s+text/html', info)
+  assert_match('Content%-Disposition:.-name="test"', info)
+end
+
+function test_data_name()
+  mime:addpart():data('hello', nil, 'test')
+  local info = assert_string(dump_mime(mime))
+  assert_match('\r\n\r\nhello', info)
+  assert_match('Content%-Disposition:.-name="test"', info)
+end
+
+function test_data_headers()
+  mime:addpart():data('hello', {
+    'X-Custom-Header: hello'
+  })
+  local info = assert_string(dump_mime(mime))
+  assert_match('\r\n\r\nhello', info)
+  assert_match('X%-Custom%-Header:%s*hello', info)
+end
+
+function test_unset_name()
+  mime:addpart():data('hello', 'text/html', 'test'):name(false)
+
+  local info = assert_string(dump_mime(mime))
+  assert_match('\r\n\r\nhello', info)
+  assert_match('Content%-Type:%s+text/html', info)
+  assert_not_match('Content%-Disposition:.-name="test"', info)
+end
+
+function test_unset_type()
+  mime:addpart():data('hello', 'text/html'):type(false)
+
+  local info = assert_string(dump_mime(mime))
+  assert_match('\r\n\r\nhello', info)
+  assert_not_match('Content%-Type:%s+text/html', info)
+end
+
+end
+
 RUN()

test/utils.lua

@@ -66,6 +66,33 @@ local function Stream(ch, n, m)
   return _stream:reset()
 end
 
+local function easy_dump_mime(easy, mime, url)
+  local buffer = {}
+
+  local function dump_mime(type, data)
+    if type == curl.INFO_DATA_OUT then
+      buffer[#buffer + 1] = data
+    end
+  end
+
+  local ok, err = easy:setopt{
+    url            = url or "http://127.0.0.1:7090";
+    customrequest  = "GET";
+    mimepost       = mime;
+    verbose        = true;
+    debugfunction  = dump_mime;
+    writefunction  = function()end;
+  }
+
+  if not ok then return nil, err end
+
+  ok, err = easy:perform()
+
+  if not ok then return nil, err end
+
+  return table.concat(buffer)
+end
+
 local utils = {
   weak_ptr   = weak_ptr;
   gc_collect = gc_collect;
@@ -73,6 +100,7 @@ local utils = {
   is_curl_eq = is_curl_eq;
   get_bin_by = get_bin_by;
   read_file  = read_file;
+  dump_mime  = easy_dump_mime;
   stream     = stream;
   Stream     = Stream;
 }