create a unidecode integration test and enable test_imp

this tests the import changes from #1105 and did not work before this change.

from_cpython/Lib/test/test_imp.py

-# expected: fail
 import imp
 import unittest
 from test import test_support

src/runtime/builtin_modules/builtins.cpp

@@ -2015,9 +2015,10 @@ void setupBuiltins() {
 
     enumerate_cls = BoxedClass::create(type_cls, object_cls, &BoxedEnumerate::gcHandler, 0, 0, sizeof(BoxedEnumerate),
                                        false, "enumerate");
-    enumerate_cls->giveAttr(
-        "__new__", new BoxedFunction(FunctionMetadata::create((void*)BoxedEnumerate::new_, UNKNOWN, 3, false, false),
-                                     { boxInt(0) }));
+    enumerate_cls->giveAttr("__new__",
+                            new BoxedFunction(FunctionMetadata::create((void*)BoxedEnumerate::new_, UNKNOWN, 3,
+                                                                       ParamNames({ "", "sequence", "start" }, "", "")),
+                                              { boxInt(0) }));
     enumerate_cls->giveAttr("__iter__", new BoxedFunction(FunctionMetadata::create((void*)BoxedEnumerate::iter,
                                                                                    typeFromClass(enumerate_cls), 1)));
     enumerate_cls->giveAttr("next",

src/runtime/long.cpp

@@ -1383,7 +1383,7 @@ Box* longRTrueDiv(BoxedLong* v1, Box* _v2) {
     } else {
         return NotImplemented;
     }
-    if (mpz_sgn(v2->n) == 0) {
+    if (mpz_sgn(v1->n) == 0) {
         raiseExcHelper(ZeroDivisionError, "division by zero");
     }
 

test/CPYTHON_TEST_NOTES.md

@@ -111,7 +111,6 @@ test_imaplib            [unknown]
 test_imgfile            [unknown]
 test_importhooks        [unknown]
 test_import             [unknown]
-test_imp                [unknown]
 test_inspect            [unknown]
 test_io                 memory/gc issue?
 test_iterlen            [unknown]

test/extra/unidecode_test.py

+import os, sys, subprocess, shutil
+sys.path.append(os.path.dirname(__file__) + "/../lib")
+
+from test_helper import create_virtenv, run_test
+
+ENV_NAME = "unidecode_test_env_" + os.path.basename(sys.executable)
+SRC_DIR = os.path.abspath(os.path.join(ENV_NAME, "src"))
+PYTHON_EXE = os.path.abspath(os.path.join(ENV_NAME, "bin", "python"))
+
+def install_and_test_unidecode():
+    shutil.rmtree(SRC_DIR, ignore_errors=True)
+    os.makedirs(SRC_DIR)
+    
+    url = "https://pypi.python.org/packages/source/U/Unidecode/Unidecode-0.04.16.tar.gz"
+    subprocess.check_call(["wget", url], cwd=SRC_DIR)
+    subprocess.check_call(["tar", "-zxf", "Unidecode-0.04.16.tar.gz"], cwd=SRC_DIR)
+    UNIDECODE_DIR = os.path.abspath(os.path.join(SRC_DIR, "Unidecode-0.04.16"))
+
+    subprocess.check_call([PYTHON_EXE, "setup.py", "build"], cwd=UNIDECODE_DIR)
+    subprocess.check_call([PYTHON_EXE, "setup.py", "install"], cwd=UNIDECODE_DIR)
+    
+    expected = [{'ran': 8}]
+    run_test([PYTHON_EXE, "setup.py", "test"], cwd=UNIDECODE_DIR, expected=expected)
+    
+create_virtenv(ENV_NAME, None, force_create = True)
+install_and_test_unidecode()

test/tests/builtins.py

@@ -36,6 +36,7 @@ print zip([1, 2, 3, 0], ["one", "two", "three"], ["uno", "dos", "tres", "quatro"
 print filter(lambda x: x % 2, xrange(20))
 print type(enumerate([]))
 print list(enumerate(xrange(5, 10)))
+print list(enumerate(start=-42, sequence=xrange(5, 10)))
 
 # If the first argument is None, filter calls checks for truthiness (ie is equivalent to passing 'bool')
 print filter(None, xrange(-5, 5))

test/tests/long.py

@@ -70,6 +70,7 @@ print pow(-5,  3, 7L)
 print pow(-5,  3, -7L)
 print (11L).__pow__(32, 50L)
 print (11L).__index__()
+print (11L).__rtruediv__(0)
 
 print long("100", 16)
 print long("100", 10)