Merge pull request #291 from hnakamur/test-fs-write-file

tests: test-fs-write-file ported from node.js
luvit · Aug 12, 2012 · a883ebd · a883ebd
2 parents 69bb0ea + 2105f99
commit a883ebd
Showing 1 changed file with 107 additions and 0 deletions.
diff --git a/tests/test-fs-write-file.lua b/tests/test-fs-write-file.lua
@@ -0,0 +1,107 @@
+--[[
+
+Copyright 2012 The Luvit Authors. All Rights Reserved.
+
+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.
+
+--]]
+
+require("helper")
+
+local FS = require('fs')
+local Path = require('path')
+
+local filename = Path.join(__dirname, 'fixtures', 'test.txt')
+
+p('writing to ' .. filename)
+
+local n = 220
+local s = '南越国是前203年至前111年存在于岭南地区的一个国家，国都位于番禺，疆域包括今天中国的广东、' ..
+        '广西两省区的大部份地区，福建省、湖南、贵州、云南的一小部份地区和越南的北部。' ..
+        '南越国是秦朝灭亡后，由南海郡尉赵佗于前203年起兵兼并桂林郡和象郡后建立。' ..
+        '前196年和前179年，南越国曾先后两次名义上臣属于西汉，成为西汉的“外臣”。前112年，' ..
+        '南越国末代君主赵建德与西汉发生战争，被汉武帝于前111年所灭。南越国共存在93年，' ..
+        '历经五代君主。南越国是岭南地区的第一个有记载的政权国家，采用封建制和郡县制并存的制度，' ..
+        '它的建立保证了秦末乱世岭南地区社会秩序的稳定，有效的改善了岭南地区落后的政治、##济现状。\n'
+
+local ncallbacks = 0
+
+FS.writeFile(filename, s, function(err)
+  if err then return err end
+
+  ncallbacks = ncallbacks + 1
+  p('file written')
+
+  FS.readFile(filename, function(err, buffer)
+    if err then return err end
+    p('file read')
+    ncallbacks = ncallbacks + 1
+    assert(#s == #buffer)
+  end)
+end)
+
+-- test that writeFile accepts buffers
+-- TODO: Decide whether we support this.
+--       I think we should not. Just pass buf:toString() instead of buf.
+--[[
+local filename2 = Path.join(__dirname, 'fixtures', 'test2.txt')
+local Buffer = require('buffer').Buffer
+local buf = Buffer:new(s)
+p('writing to ' .. filename2)
+
+FS.writeFile(filename, buf, function(err)
+  if err then return err end
+
+  ncallbacks = ncallbacks + 1
+  p('file2 written')
+
+  FS.readFile(filename2, function(err, buffer)
+    if err then return err end
+    p('file2 read')
+    ncallbacks = ncallbacks + 1
+    assert(#buf == #buffer)
+  end)
+end)
+--]]
+
+-- test that writeFile accepts numbers.
+-- TODO: Decide whether we support this.
+--       I think we should not. Just pass tostring(n) instead of n.
+--[[
+local filename3 = Path.join(__dirname, 'fixtures', 'test3.txt')
+p('writing to ' .. filename3)
+
+FS.writeFile(filename, n, function(err)
+  if err then return err end
+
+  ncallbacks = ncallbacks + 1
+  p('file3 written')
+
+  FS.readFile(filename3, function(err, buffer)
+    if err then return err end
+    p('file3 read')
+    ncallbacks = ncallbacks + 1
+    assert(#tostring(n) == #buffer)
+  end)
+end)
+--]]
+
+process:on('exit', function()
+  p('done')
+  assert(2 == ncallbacks)
+--  assert.equal(6, ncallbacks)
+
+  FS.unlinkSync(filename)
+--  FS.unlinkSync(filename2)
+--  FS.unlinkSync(filename3)
+end)