Add raw_input() back, named input(). Revive the old unittests too.

Lib/test/test_builtin.py

@@ -664,6 +664,8 @@ class BuiltinTest(unittest.TestCase):
         id([0,1,2,3])
         id({'spam': 1, 'eggs': 2, 'ham': 3})
 
+    # Test input() later, alphabetized as if it were raw_input
+
     def test_int(self):
         self.assertEqual(int(314), 314)
         self.assertEqual(int(3.14), 3)
@@ -1256,6 +1258,7 @@ class BuiltinTest(unittest.TestCase):
         self.assertRaises(TypeError, oct, ())
 
     def write_testfile(self):
+        # NB the first 4 lines are also used to test input, below
         fp = open(TESTFN, 'w')
         try:
             fp.write('1+1\n')
@@ -1417,6 +1420,43 @@ class BuiltinTest(unittest.TestCase):
         self.assertRaises(OverflowError, range, -sys.maxint, sys.maxint)
         self.assertRaises(OverflowError, range, 0, 2*sys.maxint)
 
+    def test_input(self):
+        self.write_testfile()
+        fp = open(TESTFN, 'r')
+        savestdin = sys.stdin
+        savestdout = sys.stdout # Eats the echo
+        try:
+            sys.stdin = fp
+            sys.stdout = BitBucket()
+            self.assertEqual(input(), "1+1")
+            self.assertEqual(input('testing\n'), "1+1")
+            self.assertEqual(input(), 'The quick brown fox jumps over the lazy dog.')
+            self.assertEqual(input('testing\n'), 'Dear John')
+
+            # SF 1535165: don't segfault on closed stdin
+            # sys.stdout must be a regular file for triggering
+            sys.stdout = savestdout
+            sys.stdin.close()
+            self.assertRaises(ValueError, input)
+
+            sys.stdout = BitBucket()
+            sys.stdin = cStringIO.StringIO("NULL\0")
+            self.assertRaises(TypeError, input, 42, 42)
+            sys.stdin = cStringIO.StringIO("    'whitespace'")
+            self.assertEqual(input(), "    'whitespace'")
+            sys.stdin = cStringIO.StringIO()
+            self.assertRaises(EOFError, input)
+
+            del sys.stdout
+            self.assertRaises(RuntimeError, input, 'prompt')
+            del sys.stdin
+            self.assertRaises(RuntimeError, input, 'prompt')
+        finally:
+            sys.stdin = savestdin
+            sys.stdout = savestdout
+            fp.close()
+            unlink(TESTFN)
+
     def test_reload(self):
         import marshal
         reload(marshal)