python-3.6.zip added from Github

README.cosmo contains the necessary links.

third_party/python/Lib/test/test_runpy.py

@@ -0,0 +1,749 @@
+# Test the runpy module
+import unittest
+import os
+import os.path
+import sys
+import re
+import tempfile
+import importlib, importlib.machinery, importlib.util
+import py_compile
+import warnings
+from test.support import (
+    forget, make_legacy_pyc, unload, verbose, no_tracing,
+    create_empty_file, temp_dir)
+from test.support.script_helper import (
+    make_pkg, make_script, make_zip_pkg, make_zip_script)
+
+
+import runpy
+from runpy import _run_code, _run_module_code, run_module, run_path
+# Note: This module can't safely test _run_module_as_main as it
+# runs its tests in the current process, which would mess with the
+# real __main__ module (usually test.regrtest)
+# See test_cmd_line_script for a test that executes that code path
+
+
+# Set up the test code and expected results
+example_source = """\
+# Check basic code execution
+result = ['Top level assignment']
+def f():
+    result.append('Lower level reference')
+f()
+del f
+# Check the sys module
+import sys
+run_argv0 = sys.argv[0]
+run_name_in_sys_modules = __name__ in sys.modules
+module_in_sys_modules = (run_name_in_sys_modules and
+                         globals() is sys.modules[__name__].__dict__)
+# Check nested operation
+import runpy
+nested = runpy._run_module_code('x=1\\n', mod_name='<run>')
+"""
+
+implicit_namespace = {
+    "__name__": None,
+    "__file__": None,
+    "__cached__": None,
+    "__package__": None,
+    "__doc__": None,
+    "__spec__": None
+}
+example_namespace =  {
+    "sys": sys,
+    "runpy": runpy,
+    "result": ["Top level assignment", "Lower level reference"],
+    "run_argv0": sys.argv[0],
+    "run_name_in_sys_modules": False,
+    "module_in_sys_modules": False,
+    "nested": dict(implicit_namespace,
+                   x=1, __name__="<run>", __loader__=None),
+}
+example_namespace.update(implicit_namespace)
+
+class CodeExecutionMixin:
+    # Issue #15230 (run_path not handling run_name correctly) highlighted a
+    # problem with the way arguments were being passed from higher level APIs
+    # down to lower level code. This mixin makes it easier to ensure full
+    # testing occurs at those upper layers as well, not just at the utility
+    # layer
+
+    # Figuring out the loader details in advance is hard to do, so we skip
+    # checking the full details of loader and loader_state
+    CHECKED_SPEC_ATTRIBUTES = ["name", "parent", "origin", "cached",
+                               "has_location", "submodule_search_locations"]
+
+    def assertNamespaceMatches(self, result_ns, expected_ns):
+        """Check two namespaces match.
+
+           Ignores any unspecified interpreter created names
+        """
+        # Avoid side effects
+        result_ns = result_ns.copy()
+        expected_ns = expected_ns.copy()
+        # Impls are permitted to add extra names, so filter them out
+        for k in list(result_ns):
+            if k.startswith("__") and k.endswith("__"):
+                if k not in expected_ns:
+                    result_ns.pop(k)
+                if k not in expected_ns["nested"]:
+                    result_ns["nested"].pop(k)
+        # Spec equality includes the loader, so we take the spec out of the
+        # result namespace and check that separately
+        result_spec = result_ns.pop("__spec__")
+        expected_spec = expected_ns.pop("__spec__")
+        if expected_spec is None:
+            self.assertIsNone(result_spec)
+        else:
+            # If an expected loader is set, we just check we got the right
+            # type, rather than checking for full equality
+            if expected_spec.loader is not None:
+                self.assertEqual(type(result_spec.loader),
+                                 type(expected_spec.loader))
+            for attr in self.CHECKED_SPEC_ATTRIBUTES:
+                k = "__spec__." + attr
+                actual = (k, getattr(result_spec, attr))
+                expected = (k, getattr(expected_spec, attr))
+                self.assertEqual(actual, expected)
+        # For the rest, we still don't use direct dict comparison on the
+        # namespace, as the diffs are too hard to debug if anything breaks
+        self.assertEqual(set(result_ns), set(expected_ns))
+        for k in result_ns:
+            actual = (k, result_ns[k])
+            expected = (k, expected_ns[k])
+            self.assertEqual(actual, expected)
+
+    def check_code_execution(self, create_namespace, expected_namespace):
+        """Check that an interface runs the example code correctly
+
+           First argument is a callable accepting the initial globals and
+           using them to create the actual namespace
+           Second argument is the expected result
+        """
+        sentinel = object()
+        expected_ns = expected_namespace.copy()
+        run_name = expected_ns["__name__"]
+        saved_argv0 = sys.argv[0]
+        saved_mod = sys.modules.get(run_name, sentinel)
+        # Check without initial globals
+        result_ns = create_namespace(None)
+        self.assertNamespaceMatches(result_ns, expected_ns)
+        self.assertIs(sys.argv[0], saved_argv0)
+        self.assertIs(sys.modules.get(run_name, sentinel), saved_mod)
+        # And then with initial globals
+        initial_ns = {"sentinel": sentinel}
+        expected_ns["sentinel"] = sentinel
+        result_ns = create_namespace(initial_ns)
+        self.assertIsNot(result_ns, initial_ns)
+        self.assertNamespaceMatches(result_ns, expected_ns)
+        self.assertIs(sys.argv[0], saved_argv0)
+        self.assertIs(sys.modules.get(run_name, sentinel), saved_mod)
+
+
+class ExecutionLayerTestCase(unittest.TestCase, CodeExecutionMixin):
+    """Unit tests for runpy._run_code and runpy._run_module_code"""
+
+    def test_run_code(self):
+        expected_ns = example_namespace.copy()
+        expected_ns.update({
+            "__loader__": None,
+        })
+        def create_ns(init_globals):
+            return _run_code(example_source, {}, init_globals)
+        self.check_code_execution(create_ns, expected_ns)
+
+    def test_run_module_code(self):
+        mod_name = "<Nonsense>"
+        mod_fname = "Some other nonsense"
+        mod_loader = "Now you're just being silly"
+        mod_package = '' # Treat as a top level module
+        mod_spec = importlib.machinery.ModuleSpec(mod_name,
+                                                  origin=mod_fname,
+                                                  loader=mod_loader)
+        expected_ns = example_namespace.copy()
+        expected_ns.update({
+            "__name__": mod_name,
+            "__file__": mod_fname,
+            "__loader__": mod_loader,
+            "__package__": mod_package,
+            "__spec__": mod_spec,
+            "run_argv0": mod_fname,
+            "run_name_in_sys_modules": True,
+            "module_in_sys_modules": True,
+        })
+        def create_ns(init_globals):
+            return _run_module_code(example_source,
+                                    init_globals,
+                                    mod_name,
+                                    mod_spec)
+        self.check_code_execution(create_ns, expected_ns)
+
+# TODO: Use self.addCleanup to get rid of a lot of try-finally blocks
+class RunModuleTestCase(unittest.TestCase, CodeExecutionMixin):
+    """Unit tests for runpy.run_module"""
+
+    def expect_import_error(self, mod_name):
+        try:
+            run_module(mod_name)
+        except ImportError:
+            pass
+        else:
+            self.fail("Expected import error for " + mod_name)
+
+    def test_invalid_names(self):
+        # Builtin module
+        self.expect_import_error("sys")
+        # Non-existent modules
+        self.expect_import_error("sys.imp.eric")
+        self.expect_import_error("os.path.half")
+        self.expect_import_error("a.bee")
+        # Relative names not allowed
+        self.expect_import_error(".howard")
+        self.expect_import_error("..eaten")
+        self.expect_import_error(".test_runpy")
+        self.expect_import_error(".unittest")
+        # Package without __main__.py
+        self.expect_import_error("multiprocessing")
+
+    def test_library_module(self):
+        self.assertEqual(run_module("runpy")["__name__"], "runpy")
+
+    def _add_pkg_dir(self, pkg_dir, namespace=False):
+        os.mkdir(pkg_dir)
+        if namespace:
+            return None
+        pkg_fname = os.path.join(pkg_dir, "__init__.py")
+        create_empty_file(pkg_fname)
+        return pkg_fname
+
+    def _make_pkg(self, source, depth, mod_base="runpy_test",
+                     *, namespace=False, parent_namespaces=False):
+        # Enforce a couple of internal sanity checks on test cases
+        if (namespace or parent_namespaces) and not depth:
+            raise RuntimeError("Can't mark top level module as a "
+                               "namespace package")
+        pkg_name = "__runpy_pkg__"
+        test_fname = mod_base+os.extsep+"py"
+        pkg_dir = sub_dir = os.path.realpath(tempfile.mkdtemp())
+        if verbose > 1: print("  Package tree in:", sub_dir)
+        sys.path.insert(0, pkg_dir)
+        if verbose > 1: print("  Updated sys.path:", sys.path[0])
+        if depth:
+            namespace_flags = [parent_namespaces] * depth
+            namespace_flags[-1] = namespace
+            for namespace_flag in namespace_flags:
+                sub_dir = os.path.join(sub_dir, pkg_name)
+                pkg_fname = self._add_pkg_dir(sub_dir, namespace_flag)
+                if verbose > 1: print("  Next level in:", sub_dir)
+                if verbose > 1: print("  Created:", pkg_fname)
+        mod_fname = os.path.join(sub_dir, test_fname)
+        mod_file = open(mod_fname, "w")
+        mod_file.write(source)
+        mod_file.close()
+        if verbose > 1: print("  Created:", mod_fname)
+        mod_name = (pkg_name+".")*depth + mod_base
+        mod_spec = importlib.util.spec_from_file_location(mod_name,
+                                                          mod_fname)
+        return pkg_dir, mod_fname, mod_name, mod_spec
+
+    def _del_pkg(self, top):
+        for entry in list(sys.modules):
+            if entry.startswith("__runpy_pkg__"):
+                del sys.modules[entry]
+        if verbose > 1: print("  Removed sys.modules entries")
+        del sys.path[0]
+        if verbose > 1: print("  Removed sys.path entry")
+        for root, dirs, files in os.walk(top, topdown=False):
+            for name in files:
+                try:
+                    os.remove(os.path.join(root, name))
+                except OSError as ex:
+                    if verbose > 1: print(ex) # Persist with cleaning up
+            for name in dirs:
+                fullname = os.path.join(root, name)
+                try:
+                    os.rmdir(fullname)
+                except OSError as ex:
+                    if verbose > 1: print(ex) # Persist with cleaning up
+        try:
+            os.rmdir(top)
+            if verbose > 1: print("  Removed package tree")
+        except OSError as ex:
+            if verbose > 1: print(ex) # Persist with cleaning up
+
+    def _fix_ns_for_legacy_pyc(self, ns, alter_sys):
+        char_to_add = "c"
+        ns["__file__"] += char_to_add
+        ns["__cached__"] = ns["__file__"]
+        spec = ns["__spec__"]
+        new_spec = importlib.util.spec_from_file_location(spec.name,
+                                                          ns["__file__"])
+        ns["__spec__"] = new_spec
+        if alter_sys:
+            ns["run_argv0"] += char_to_add
+
+
+    def _check_module(self, depth, alter_sys=False,
+                         *, namespace=False, parent_namespaces=False):
+        pkg_dir, mod_fname, mod_name, mod_spec = (
+               self._make_pkg(example_source, depth,
+                              namespace=namespace,
+                              parent_namespaces=parent_namespaces))
+        forget(mod_name)
+        expected_ns = example_namespace.copy()
+        expected_ns.update({
+            "__name__": mod_name,
+            "__file__": mod_fname,
+            "__cached__": mod_spec.cached,
+            "__package__": mod_name.rpartition(".")[0],
+            "__spec__": mod_spec,
+        })
+        if alter_sys:
+            expected_ns.update({
+                "run_argv0": mod_fname,
+                "run_name_in_sys_modules": True,
+                "module_in_sys_modules": True,
+            })
+        def create_ns(init_globals):
+            return run_module(mod_name, init_globals, alter_sys=alter_sys)
+        try:
+            if verbose > 1: print("Running from source:", mod_name)
+            self.check_code_execution(create_ns, expected_ns)
+            importlib.invalidate_caches()
+            __import__(mod_name)
+            os.remove(mod_fname)
+            if not sys.dont_write_bytecode:
+                make_legacy_pyc(mod_fname)
+                unload(mod_name)  # In case loader caches paths
+                importlib.invalidate_caches()
+                if verbose > 1: print("Running from compiled:", mod_name)
+                self._fix_ns_for_legacy_pyc(expected_ns, alter_sys)
+                self.check_code_execution(create_ns, expected_ns)
+        finally:
+            self._del_pkg(pkg_dir)
+        if verbose > 1: print("Module executed successfully")
+
+    def _check_package(self, depth, alter_sys=False,
+                          *, namespace=False, parent_namespaces=False):
+        pkg_dir, mod_fname, mod_name, mod_spec = (
+               self._make_pkg(example_source, depth, "__main__",
+                              namespace=namespace,
+                              parent_namespaces=parent_namespaces))
+        pkg_name = mod_name.rpartition(".")[0]
+        forget(mod_name)
+        expected_ns = example_namespace.copy()
+        expected_ns.update({
+            "__name__": mod_name,
+            "__file__": mod_fname,
+            "__cached__": importlib.util.cache_from_source(mod_fname),
+            "__package__": pkg_name,
+            "__spec__": mod_spec,
+        })
+        if alter_sys:
+            expected_ns.update({
+                "run_argv0": mod_fname,
+                "run_name_in_sys_modules": True,
+                "module_in_sys_modules": True,
+            })
+        def create_ns(init_globals):
+            return run_module(pkg_name, init_globals, alter_sys=alter_sys)
+        try:
+            if verbose > 1: print("Running from source:", pkg_name)
+            self.check_code_execution(create_ns, expected_ns)
+            importlib.invalidate_caches()
+            __import__(mod_name)
+            os.remove(mod_fname)
+            if not sys.dont_write_bytecode:
+                make_legacy_pyc(mod_fname)
+                unload(mod_name)  # In case loader caches paths
+                if verbose > 1: print("Running from compiled:", pkg_name)
+                importlib.invalidate_caches()
+                self._fix_ns_for_legacy_pyc(expected_ns, alter_sys)
+                self.check_code_execution(create_ns, expected_ns)
+        finally:
+            self._del_pkg(pkg_dir)
+        if verbose > 1: print("Package executed successfully")
+
+    def _add_relative_modules(self, base_dir, source, depth):
+        if depth <= 1:
+            raise ValueError("Relative module test needs depth > 1")
+        pkg_name = "__runpy_pkg__"
+        module_dir = base_dir
+        for i in range(depth):
+            parent_dir = module_dir
+            module_dir = os.path.join(module_dir, pkg_name)
+        # Add sibling module
+        sibling_fname = os.path.join(module_dir, "sibling.py")
+        create_empty_file(sibling_fname)
+        if verbose > 1: print("  Added sibling module:", sibling_fname)
+        # Add nephew module
+        uncle_dir = os.path.join(parent_dir, "uncle")
+        self._add_pkg_dir(uncle_dir)
+        if verbose > 1: print("  Added uncle package:", uncle_dir)
+        cousin_dir = os.path.join(uncle_dir, "cousin")
+        self._add_pkg_dir(cousin_dir)
+        if verbose > 1: print("  Added cousin package:", cousin_dir)
+        nephew_fname = os.path.join(cousin_dir, "nephew.py")
+        create_empty_file(nephew_fname)
+        if verbose > 1: print("  Added nephew module:", nephew_fname)
+
+    def _check_relative_imports(self, depth, run_name=None):
+        contents = r"""\
+from __future__ import absolute_import
+from . import sibling
+from ..uncle.cousin import nephew
+"""
+        pkg_dir, mod_fname, mod_name, mod_spec = (
+               self._make_pkg(contents, depth))
+        if run_name is None:
+            expected_name = mod_name
+        else:
+            expected_name = run_name
+        try:
+            self._add_relative_modules(pkg_dir, contents, depth)
+            pkg_name = mod_name.rpartition('.')[0]
+            if verbose > 1: print("Running from source:", mod_name)
+            d1 = run_module(mod_name, run_name=run_name) # Read from source
+            self.assertEqual(d1["__name__"], expected_name)
+            self.assertEqual(d1["__package__"], pkg_name)
+            self.assertIn("sibling", d1)
+            self.assertIn("nephew", d1)
+            del d1 # Ensure __loader__ entry doesn't keep file open
+            importlib.invalidate_caches()
+            __import__(mod_name)
+            os.remove(mod_fname)
+            if not sys.dont_write_bytecode:
+                make_legacy_pyc(mod_fname)
+                unload(mod_name)  # In case the loader caches paths
+                if verbose > 1: print("Running from compiled:", mod_name)
+                importlib.invalidate_caches()
+                d2 = run_module(mod_name, run_name=run_name) # Read from bytecode
+                self.assertEqual(d2["__name__"], expected_name)
+                self.assertEqual(d2["__package__"], pkg_name)
+                self.assertIn("sibling", d2)
+                self.assertIn("nephew", d2)
+                del d2 # Ensure __loader__ entry doesn't keep file open
+        finally:
+            self._del_pkg(pkg_dir)
+        if verbose > 1: print("Module executed successfully")
+
+    def test_run_module(self):
+        for depth in range(4):
+            if verbose > 1: print("Testing package depth:", depth)
+            self._check_module(depth)
+
+    def test_run_module_in_namespace_package(self):
+        for depth in range(1, 4):
+            if verbose > 1: print("Testing package depth:", depth)
+            self._check_module(depth, namespace=True, parent_namespaces=True)
+
+    def test_run_package(self):
+        for depth in range(1, 4):
+            if verbose > 1: print("Testing package depth:", depth)
+            self._check_package(depth)
+
+    def test_run_package_init_exceptions(self):
+        # These were previously wrapped in an ImportError; see Issue 14285
+        result = self._make_pkg("", 1, "__main__")
+        pkg_dir, _, mod_name, _ = result
+        mod_name = mod_name.replace(".__main__", "")
+        self.addCleanup(self._del_pkg, pkg_dir)
+        init = os.path.join(pkg_dir, "__runpy_pkg__", "__init__.py")
+
+        exceptions = (ImportError, AttributeError, TypeError, ValueError)
+        for exception in exceptions:
+            name = exception.__name__
+            with self.subTest(name):
+                source = "raise {0}('{0} in __init__.py.')".format(name)
+                with open(init, "wt", encoding="ascii") as mod_file:
+                    mod_file.write(source)
+                try:
+                    run_module(mod_name)
+                except exception as err:
+                    self.assertNotIn("finding spec", format(err))
+                else:
+                    self.fail("Nothing raised; expected {}".format(name))
+                try:
+                    run_module(mod_name + ".submodule")
+                except exception as err:
+                    self.assertNotIn("finding spec", format(err))
+                else:
+                    self.fail("Nothing raised; expected {}".format(name))
+
+    def test_submodule_imported_warning(self):
+        pkg_dir, _, mod_name, _ = self._make_pkg("", 1)
+        try:
+            __import__(mod_name)
+            with self.assertWarnsRegex(RuntimeWarning,
+                    r"found in sys\.modules"):
+                run_module(mod_name)
+        finally:
+            self._del_pkg(pkg_dir)
+
+    def test_package_imported_no_warning(self):
+        pkg_dir, _, mod_name, _ = self._make_pkg("", 1, "__main__")
+        self.addCleanup(self._del_pkg, pkg_dir)
+        package = mod_name.replace(".__main__", "")
+        # No warning should occur if we only imported the parent package
+        __import__(package)
+        self.assertIn(package, sys.modules)
+        with warnings.catch_warnings():
+            warnings.simplefilter("error", RuntimeWarning)
+            run_module(package)
+        # But the warning should occur if we imported the __main__ submodule
+        __import__(mod_name)
+        with self.assertWarnsRegex(RuntimeWarning, r"found in sys\.modules"):
+            run_module(package)
+
+    def test_run_package_in_namespace_package(self):
+        for depth in range(1, 4):
+            if verbose > 1: print("Testing package depth:", depth)
+            self._check_package(depth, parent_namespaces=True)
+
+    def test_run_namespace_package(self):
+        for depth in range(1, 4):
+            if verbose > 1: print("Testing package depth:", depth)
+            self._check_package(depth, namespace=True)
+
+    def test_run_namespace_package_in_namespace_package(self):
+        for depth in range(1, 4):
+            if verbose > 1: print("Testing package depth:", depth)
+            self._check_package(depth, namespace=True, parent_namespaces=True)
+
+    def test_run_module_alter_sys(self):
+        for depth in range(4):
+            if verbose > 1: print("Testing package depth:", depth)
+            self._check_module(depth, alter_sys=True)
+
+    def test_run_package_alter_sys(self):
+        for depth in range(1, 4):
+            if verbose > 1: print("Testing package depth:", depth)
+            self._check_package(depth, alter_sys=True)
+
+    def test_explicit_relative_import(self):
+        for depth in range(2, 5):
+            if verbose > 1: print("Testing relative imports at depth:", depth)
+            self._check_relative_imports(depth)
+
+    def test_main_relative_import(self):
+        for depth in range(2, 5):
+            if verbose > 1: print("Testing main relative imports at depth:", depth)
+            self._check_relative_imports(depth, "__main__")
+
+    def test_run_name(self):
+        depth = 1
+        run_name = "And now for something completely different"
+        pkg_dir, mod_fname, mod_name, mod_spec = (
+               self._make_pkg(example_source, depth))
+        forget(mod_name)
+        expected_ns = example_namespace.copy()
+        expected_ns.update({
+            "__name__": run_name,
+            "__file__": mod_fname,
+            "__cached__": importlib.util.cache_from_source(mod_fname),
+            "__package__": mod_name.rpartition(".")[0],
+            "__spec__": mod_spec,
+        })
+        def create_ns(init_globals):
+            return run_module(mod_name, init_globals, run_name)
+        try:
+            self.check_code_execution(create_ns, expected_ns)
+        finally:
+            self._del_pkg(pkg_dir)
+
+    def test_pkgutil_walk_packages(self):
+        # This is a dodgy hack to use the test_runpy infrastructure to test
+        # issue #15343. Issue #15348 declares this is indeed a dodgy hack ;)
+        import pkgutil
+        max_depth = 4
+        base_name = "__runpy_pkg__"
+        package_suffixes = ["uncle", "uncle.cousin"]
+        module_suffixes = ["uncle.cousin.nephew", base_name + ".sibling"]
+        expected_packages = set()
+        expected_modules = set()
+        for depth in range(1, max_depth):
+            pkg_name = ".".join([base_name] * depth)
+            expected_packages.add(pkg_name)
+            for name in package_suffixes:
+                expected_packages.add(pkg_name + "." + name)
+            for name in module_suffixes:
+                expected_modules.add(pkg_name + "." + name)
+        pkg_name = ".".join([base_name] * max_depth)
+        expected_packages.add(pkg_name)
+        expected_modules.add(pkg_name + ".runpy_test")
+        pkg_dir, mod_fname, mod_name, mod_spec = (
+               self._make_pkg("", max_depth))
+        self.addCleanup(self._del_pkg, pkg_dir)
+        for depth in range(2, max_depth+1):
+            self._add_relative_modules(pkg_dir, "", depth)
+        for moduleinfo in pkgutil.walk_packages([pkg_dir]):
+            self.assertIsInstance(moduleinfo, pkgutil.ModuleInfo)
+            self.assertIsInstance(moduleinfo.module_finder,
+                                  importlib.machinery.FileFinder)
+            if moduleinfo.ispkg:
+                expected_packages.remove(moduleinfo.name)
+            else:
+                expected_modules.remove(moduleinfo.name)
+        self.assertEqual(len(expected_packages), 0, expected_packages)
+        self.assertEqual(len(expected_modules), 0, expected_modules)
+
+class RunPathTestCase(unittest.TestCase, CodeExecutionMixin):
+    """Unit tests for runpy.run_path"""
+
+    def _make_test_script(self, script_dir, script_basename,
+                          source=None, omit_suffix=False):
+        if source is None:
+            source = example_source
+        return make_script(script_dir, script_basename,
+                           source, omit_suffix)
+
+    def _check_script(self, script_name, expected_name, expected_file,
+                            expected_argv0, mod_name=None,
+                            expect_spec=True, check_loader=True):
+        # First check is without run_name
+        def create_ns(init_globals):
+            return run_path(script_name, init_globals)
+        expected_ns = example_namespace.copy()
+        if mod_name is None:
+            spec_name = expected_name
+        else:
+            spec_name = mod_name
+        if expect_spec:
+            mod_spec = importlib.util.spec_from_file_location(spec_name,
+                                                              expected_file)
+            mod_cached = mod_spec.cached
+            if not check_loader:
+                mod_spec.loader = None
+        else:
+            mod_spec = mod_cached = None
+
+        expected_ns.update({
+            "__name__": expected_name,
+            "__file__": expected_file,
+            "__cached__": mod_cached,
+            "__package__": "",
+            "__spec__": mod_spec,
+            "run_argv0": expected_argv0,
+            "run_name_in_sys_modules": True,
+            "module_in_sys_modules": True,
+        })
+        self.check_code_execution(create_ns, expected_ns)
+        # Second check makes sure run_name works in all cases
+        run_name = "prove.issue15230.is.fixed"
+        def create_ns(init_globals):
+            return run_path(script_name, init_globals, run_name)
+        if expect_spec and mod_name is None:
+            mod_spec = importlib.util.spec_from_file_location(run_name,
+                                                              expected_file)
+            if not check_loader:
+                mod_spec.loader = None
+            expected_ns["__spec__"] = mod_spec
+        expected_ns["__name__"] = run_name
+        expected_ns["__package__"] = run_name.rpartition(".")[0]
+        self.check_code_execution(create_ns, expected_ns)
+
+    def _check_import_error(self, script_name, msg):
+        msg = re.escape(msg)
+        self.assertRaisesRegex(ImportError, msg, run_path, script_name)
+
+    def test_basic_script(self):
+        with temp_dir() as script_dir:
+            mod_name = 'script'
+            script_name = self._make_test_script(script_dir, mod_name)
+            self._check_script(script_name, "<run_path>", script_name,
+                               script_name, expect_spec=False)
+
+    def test_basic_script_no_suffix(self):
+        with temp_dir() as script_dir:
+            mod_name = 'script'
+            script_name = self._make_test_script(script_dir, mod_name,
+                                                 omit_suffix=True)
+            self._check_script(script_name, "<run_path>", script_name,
+                               script_name, expect_spec=False)
+
+    def test_script_compiled(self):
+        with temp_dir() as script_dir:
+            mod_name = 'script'
+            script_name = self._make_test_script(script_dir, mod_name)
+            compiled_name = py_compile.compile(script_name, doraise=True)
+            os.remove(script_name)
+            self._check_script(compiled_name, "<run_path>", compiled_name,
+                               compiled_name, expect_spec=False)
+
+    def test_directory(self):
+        with temp_dir() as script_dir:
+            mod_name = '__main__'
+            script_name = self._make_test_script(script_dir, mod_name)
+            self._check_script(script_dir, "<run_path>", script_name,
+                               script_dir, mod_name=mod_name)
+
+    def test_directory_compiled(self):
+        with temp_dir() as script_dir:
+            mod_name = '__main__'
+            script_name = self._make_test_script(script_dir, mod_name)
+            compiled_name = py_compile.compile(script_name, doraise=True)
+            os.remove(script_name)
+            if not sys.dont_write_bytecode:
+                legacy_pyc = make_legacy_pyc(script_name)
+                self._check_script(script_dir, "<run_path>", legacy_pyc,
+                                   script_dir, mod_name=mod_name)
+
+    def test_directory_error(self):
+        with temp_dir() as script_dir:
+            mod_name = 'not_main'
+            script_name = self._make_test_script(script_dir, mod_name)
+            msg = "can't find '__main__' module in %r" % script_dir
+            self._check_import_error(script_dir, msg)
+
+    def test_zipfile(self):
+        with temp_dir() as script_dir:
+            mod_name = '__main__'
+            script_name = self._make_test_script(script_dir, mod_name)
+            zip_name, fname = make_zip_script(script_dir, 'test_zip', script_name)
+            self._check_script(zip_name, "<run_path>", fname, zip_name,
+                               mod_name=mod_name, check_loader=False)
+
+    def test_zipfile_compiled(self):
+        with temp_dir() as script_dir:
+            mod_name = '__main__'
+            script_name = self._make_test_script(script_dir, mod_name)
+            compiled_name = py_compile.compile(script_name, doraise=True)
+            zip_name, fname = make_zip_script(script_dir, 'test_zip',
+                                              compiled_name)
+            self._check_script(zip_name, "<run_path>", fname, zip_name,
+                               mod_name=mod_name, check_loader=False)
+
+    def test_zipfile_error(self):
+        with temp_dir() as script_dir:
+            mod_name = 'not_main'
+            script_name = self._make_test_script(script_dir, mod_name)
+            zip_name, fname = make_zip_script(script_dir, 'test_zip', script_name)
+            msg = "can't find '__main__' module in %r" % zip_name
+            self._check_import_error(zip_name, msg)
+
+    @no_tracing
+    def test_main_recursion_error(self):
+        with temp_dir() as script_dir, temp_dir() as dummy_dir:
+            mod_name = '__main__'
+            source = ("import runpy\n"
+                      "runpy.run_path(%r)\n") % dummy_dir
+            script_name = self._make_test_script(script_dir, mod_name, source)
+            zip_name, fname = make_zip_script(script_dir, 'test_zip', script_name)
+            msg = "recursion depth exceeded"
+            self.assertRaisesRegex(RecursionError, msg, run_path, zip_name)
+
+    def test_encoding(self):
+        with temp_dir() as script_dir:
+            filename = os.path.join(script_dir, 'script.py')
+            with open(filename, 'w', encoding='latin1') as f:
+                f.write("""
+#coding:latin1
+s = "non-ASCII: h\xe9"
+""")
+            result = run_path(filename)
+            self.assertEqual(result['s'], "non-ASCII: h\xe9")
+
+
+if __name__ == "__main__":
+    unittest.main()