| 1 | # Test the runpy module
|
|---|
| 2 | import unittest
|
|---|
| 3 | import os
|
|---|
| 4 | import os.path
|
|---|
| 5 | import sys
|
|---|
| 6 | import tempfile
|
|---|
| 7 | from test.test_support import verbose, run_unittest
|
|---|
| 8 | from runpy import _run_module_code, run_module
|
|---|
| 9 |
|
|---|
| 10 | # Set up the test code and expected results
|
|---|
| 11 |
|
|---|
| 12 | class RunModuleCodeTest(unittest.TestCase):
|
|---|
| 13 |
|
|---|
| 14 | expected_result = ["Top level assignment", "Lower level reference"]
|
|---|
| 15 | test_source = (
|
|---|
| 16 | "# Check basic code execution\n"
|
|---|
| 17 | "result = ['Top level assignment']\n"
|
|---|
| 18 | "def f():\n"
|
|---|
| 19 | " result.append('Lower level reference')\n"
|
|---|
| 20 | "f()\n"
|
|---|
| 21 | "# Check the sys module\n"
|
|---|
| 22 | "import sys\n"
|
|---|
| 23 | "run_argv0 = sys.argv[0]\n"
|
|---|
| 24 | "if __name__ in sys.modules:\n"
|
|---|
| 25 | " run_name = sys.modules[__name__].__name__\n"
|
|---|
| 26 | "# Check nested operation\n"
|
|---|
| 27 | "import runpy\n"
|
|---|
| 28 | "nested = runpy._run_module_code('x=1\\n', mod_name='<run>',\n"
|
|---|
| 29 | " alter_sys=True)\n"
|
|---|
| 30 | )
|
|---|
| 31 |
|
|---|
| 32 |
|
|---|
| 33 | def test_run_module_code(self):
|
|---|
| 34 | initial = object()
|
|---|
| 35 | name = "<Nonsense>"
|
|---|
| 36 | file = "Some other nonsense"
|
|---|
| 37 | loader = "Now you're just being silly"
|
|---|
| 38 | d1 = dict(initial=initial)
|
|---|
| 39 | saved_argv0 = sys.argv[0]
|
|---|
| 40 | d2 = _run_module_code(self.test_source,
|
|---|
| 41 | d1,
|
|---|
| 42 | name,
|
|---|
| 43 | file,
|
|---|
| 44 | loader,
|
|---|
| 45 | True)
|
|---|
| 46 | self.failUnless("result" not in d1)
|
|---|
| 47 | self.failUnless(d2["initial"] is initial)
|
|---|
| 48 | self.failUnless(d2["result"] == self.expected_result)
|
|---|
| 49 | self.failUnless(d2["nested"]["x"] == 1)
|
|---|
| 50 | self.failUnless(d2["__name__"] is name)
|
|---|
| 51 | self.failUnless(d2["run_name"] is name)
|
|---|
| 52 | self.failUnless(d2["__file__"] is file)
|
|---|
| 53 | self.failUnless(d2["run_argv0"] is file)
|
|---|
| 54 | self.failUnless(d2["__loader__"] is loader)
|
|---|
| 55 | self.failUnless(sys.argv[0] is saved_argv0)
|
|---|
| 56 | self.failUnless(name not in sys.modules)
|
|---|
| 57 |
|
|---|
| 58 | def test_run_module_code_defaults(self):
|
|---|
| 59 | saved_argv0 = sys.argv[0]
|
|---|
| 60 | d = _run_module_code(self.test_source)
|
|---|
| 61 | self.failUnless(d["result"] == self.expected_result)
|
|---|
| 62 | self.failUnless(d["__name__"] is None)
|
|---|
| 63 | self.failUnless(d["__file__"] is None)
|
|---|
| 64 | self.failUnless(d["__loader__"] is None)
|
|---|
| 65 | self.failUnless(d["run_argv0"] is saved_argv0)
|
|---|
| 66 | self.failUnless("run_name" not in d)
|
|---|
| 67 | self.failUnless(sys.argv[0] is saved_argv0)
|
|---|
| 68 |
|
|---|
| 69 | class RunModuleTest(unittest.TestCase):
|
|---|
| 70 |
|
|---|
| 71 | def expect_import_error(self, mod_name):
|
|---|
| 72 | try:
|
|---|
| 73 | run_module(mod_name)
|
|---|
| 74 | except ImportError:
|
|---|
| 75 | pass
|
|---|
| 76 | else:
|
|---|
| 77 | self.fail("Expected import error for " + mod_name)
|
|---|
| 78 |
|
|---|
| 79 | def test_invalid_names(self):
|
|---|
| 80 | self.expect_import_error("sys")
|
|---|
| 81 | self.expect_import_error("sys.imp.eric")
|
|---|
| 82 | self.expect_import_error("os.path.half")
|
|---|
| 83 | self.expect_import_error("a.bee")
|
|---|
| 84 | self.expect_import_error(".howard")
|
|---|
| 85 | self.expect_import_error("..eaten")
|
|---|
| 86 |
|
|---|
| 87 | def test_library_module(self):
|
|---|
| 88 | run_module("runpy")
|
|---|
| 89 |
|
|---|
| 90 | def _make_pkg(self, source, depth):
|
|---|
| 91 | pkg_name = "__runpy_pkg__"
|
|---|
| 92 | init_fname = "__init__"+os.extsep+"py"
|
|---|
| 93 | test_fname = "runpy_test"+os.extsep+"py"
|
|---|
| 94 | pkg_dir = sub_dir = tempfile.mkdtemp()
|
|---|
| 95 | if verbose: print " Package tree in:", sub_dir
|
|---|
| 96 | sys.path.insert(0, pkg_dir)
|
|---|
| 97 | if verbose: print " Updated sys.path:", sys.path[0]
|
|---|
| 98 | for i in range(depth):
|
|---|
| 99 | sub_dir = os.path.join(sub_dir, pkg_name)
|
|---|
| 100 | os.mkdir(sub_dir)
|
|---|
| 101 | if verbose: print " Next level in:", sub_dir
|
|---|
| 102 | pkg_fname = os.path.join(sub_dir, init_fname)
|
|---|
| 103 | pkg_file = open(pkg_fname, "w")
|
|---|
| 104 | pkg_file.close()
|
|---|
| 105 | if verbose: print " Created:", pkg_fname
|
|---|
| 106 | mod_fname = os.path.join(sub_dir, test_fname)
|
|---|
| 107 | mod_file = open(mod_fname, "w")
|
|---|
| 108 | mod_file.write(source)
|
|---|
| 109 | mod_file.close()
|
|---|
| 110 | if verbose: print " Created:", mod_fname
|
|---|
| 111 | mod_name = (pkg_name+".")*depth + "runpy_test"
|
|---|
| 112 | return pkg_dir, mod_fname, mod_name
|
|---|
| 113 |
|
|---|
| 114 | def _del_pkg(self, top, depth, mod_name):
|
|---|
| 115 | for i in range(depth+1): # Don't forget the module itself
|
|---|
| 116 | parts = mod_name.rsplit(".", i)
|
|---|
| 117 | entry = parts[0]
|
|---|
| 118 | try:
|
|---|
| 119 | del sys.modules[entry]
|
|---|
| 120 | except KeyError, ex:
|
|---|
| 121 | if verbose: print ex # Persist with cleaning up
|
|---|
| 122 | if verbose: print " Removed sys.modules entries"
|
|---|
| 123 | del sys.path[0]
|
|---|
| 124 | if verbose: print " Removed sys.path entry"
|
|---|
| 125 | for root, dirs, files in os.walk(top, topdown=False):
|
|---|
| 126 | for name in files:
|
|---|
| 127 | try:
|
|---|
| 128 | os.remove(os.path.join(root, name))
|
|---|
| 129 | except OSError, ex:
|
|---|
| 130 | if verbose: print ex # Persist with cleaning up
|
|---|
| 131 | for name in dirs:
|
|---|
| 132 | fullname = os.path.join(root, name)
|
|---|
| 133 | try:
|
|---|
| 134 | os.rmdir(fullname)
|
|---|
| 135 | except OSError, ex:
|
|---|
| 136 | if verbose: print ex # Persist with cleaning up
|
|---|
| 137 | try:
|
|---|
| 138 | os.rmdir(top)
|
|---|
| 139 | if verbose: print " Removed package tree"
|
|---|
| 140 | except OSError, ex:
|
|---|
| 141 | if verbose: print ex # Persist with cleaning up
|
|---|
| 142 |
|
|---|
| 143 | def _check_module(self, depth):
|
|---|
| 144 | pkg_dir, mod_fname, mod_name = (
|
|---|
| 145 | self._make_pkg("x=1\n", depth))
|
|---|
| 146 | try:
|
|---|
| 147 | if verbose: print "Running from source:", mod_name
|
|---|
| 148 | d1 = run_module(mod_name) # Read from source
|
|---|
| 149 | self.failUnless(d1["x"] == 1)
|
|---|
| 150 | del d1 # Ensure __loader__ entry doesn't keep file open
|
|---|
| 151 | __import__(mod_name)
|
|---|
| 152 | os.remove(mod_fname)
|
|---|
| 153 | if verbose: print "Running from compiled:", mod_name
|
|---|
| 154 | d2 = run_module(mod_name) # Read from bytecode
|
|---|
| 155 | self.failUnless(d2["x"] == 1)
|
|---|
| 156 | del d2 # Ensure __loader__ entry doesn't keep file open
|
|---|
| 157 | finally:
|
|---|
| 158 | self._del_pkg(pkg_dir, depth, mod_name)
|
|---|
| 159 | if verbose: print "Module executed successfully"
|
|---|
| 160 |
|
|---|
| 161 | def test_run_module(self):
|
|---|
| 162 | for depth in range(4):
|
|---|
| 163 | if verbose: print "Testing package depth:", depth
|
|---|
| 164 | self._check_module(depth)
|
|---|
| 165 |
|
|---|
| 166 |
|
|---|
| 167 | def test_main():
|
|---|
| 168 | run_unittest(RunModuleCodeTest)
|
|---|
| 169 | run_unittest(RunModuleTest)
|
|---|
| 170 |
|
|---|
| 171 | if __name__ == "__main__":
|
|---|
| 172 | test_main()
|
|---|
