Remove fs/path globals from test suite

It is way too easy to not notice bugs due to those modules being
exported as globals while running the test suite.

See: http://github.com/ry/node/issues#issue/75

test/common.js

@@ -11,6 +11,4 @@ var assert = require('assert');
 var sys = require("sys");
 
 process.mixin(exports, sys);
-exports.assert = require('assert');
-exports.fs = require("fs");
-exports.path = path;
+exports.assert = require('assert');

test/simple/test-chdir.js

@@ -1,9 +1,7 @@
 process.mixin(require("../common"));
 
-var dirname = path.dirname(__filename);
+assert.equal(true, process.cwd() !== __dirname);
 
-assert.equal(true, process.cwd() !== dirname);
+process.chdir(__dirname);
 
-process.chdir(dirname);
-
-assert.equal(true, process.cwd() === dirname);
+assert.equal(true, process.cwd() === __dirname);

test/simple/test-eio-race2.js

@@ -1,4 +1,5 @@
 process.mixin(require("../common"));
+var path = require('path');
 var testTxt = path.join(fixturesDir, "x.txt");
 var fs = require('fs');
 

test/simple/test-eio-race4.js

@@ -1,5 +1,5 @@
 process.mixin(require("../common"));
-
+var fs = require('fs');
 var N = 100;
 var j = 0;
 

test/simple/test-file-read-noexist.js

@@ -1,4 +1,6 @@
 process.mixin(require("../common"));
+var path = require('path');
+var fs = require('fs');
 var got_error = false;
 
 var filename = path.join(fixturesDir, "does_not_exist.txt");

test/simple/test-file-read-stream.js

@@ -1,6 +1,8 @@
 process.mixin(require('../common'));
 
 var
+  path = require('path'),
+  fs = require('fs'),
   fn = path.join(fixturesDir, 'multipart.js'),
   file = fs.createReadStream(fn),
 

test/simple/test-file-write-stream.js

@@ -1,6 +1,8 @@
 process.mixin(require('../common'));
 
 var
+  path = require('path'),
+  fs = require('fs'),
   fn = path.join(fixturesDir, "write.txt"),
   file = fs.createWriteStream(fn),
 

test/simple/test-fs-chmod.js

@@ -1,5 +1,6 @@
 process.mixin(require("../common"));
-
+var path = require('path');
+var fs = require('fs');
 var got_error = false;
 var success_count = 0;
 

test/simple/test-fs-realpath.js

@@ -1,5 +1,6 @@
 process.mixin(require("../common"));
-
+var fs = require('fs');
+var path = require('path');
 var async_completed = 0, async_expected = 0, unlink = [];
 
 function asynctest(testBlock, args, callback, assertBlock) {

test/simple/test-fs-stat.js

@@ -1,5 +1,5 @@
 process.mixin(require("../common"));
-
+var fs = require('fs');
 var got_error = false;
 var success_count = 0;
 

test/simple/test-fs-symlink.js

@@ -1,5 +1,6 @@
 process.mixin(require("../common"));
-
+var path = require('path');
+var fs = require('fs');
 var completed = 0;
 
 // test creating and reading symbolic link

test/simple/test-fs-write.js

@@ -1,5 +1,6 @@
 process.mixin(require("../common"));
-
+var path = require('path');
+var fs = require('fs');
 var fn = path.join(fixturesDir, "write.txt");
 var expected = "hello";
 var found;

test/simple/test-ini.js

@@ -1,5 +1,6 @@
 process.mixin(require("../common"));
-require("fs");
+var path = require('path');
+var fs = require("fs");
 parse = require("ini").parse;
 
 debug("load fixtures/fixture.ini");

test/simple/test-mkdir-rmdir.js

@@ -1,4 +1,6 @@
 process.mixin(require("../common"));
+var path = require('path');
+var fs = require('fs');
 
 var dirname = path.dirname(__filename);
 var fixtures = path.join(dirname, "../fixtures");

test/simple/test-module-loading.js

@@ -1,4 +1,5 @@
 process.mixin(require("../common"));
+var path = require('path');
 
 debug("load test-module-loading.js");
 

test/simple/test-readdir.js

@@ -1,4 +1,6 @@
 process.mixin(require("../common"));
+var path = require('path');
+var fs = require('fs');
 
 var got_error = false,
     readdirDir = path.join(fixturesDir, "readdir")

test/simple/test-stdio.js

@@ -1,4 +1,5 @@
 process.mixin(require("../common"));
+var path = require('path');
 
 var sub = path.join(fixturesDir, 'echo.js');
 

test/simple/test-stdout-flush.js

@@ -1,4 +1,5 @@
 process.mixin(require("../common"));
+var path = require('path');
 
 var sub = path.join(fixturesDir, 'print-chars.js');
 

test/simple/test-sync-fileread.js

@@ -1,4 +1,6 @@
 process.mixin(require('../common'));
+var path = require('path');
+var fs = require('fs');
 
 var fixture = path.join(__dirname, "../fixtures/x.txt");