Add explicit tests that all stdlib modules exist.

Author: freakboy3742

tests/testbed/src/testbed/common.py

@@ -1,11 +1,103 @@
 ###########################################################################
 # Common tests
 ###########################################################################
+import importlib
 import os
 
 from .utils import assert_
 
 
+def test_bootstrap_modules():
+    "All the bootstrap modules are importable"
+    missing = []
+
+    # The list of bootstrap modules that don't have explicit tests.
+    for module in [
+        '_abc',
+        '_codecs',
+        '_collections',
+        '_functools',
+        '_io',
+        '_locale',
+        '_operator',
+        '_signal',
+        '_sre',
+        '_stat',
+        '_symtable',
+        '_thread',
+        '_tracemalloc',
+        '_weakref',
+        'atexit',
+        'errno',
+        'faulthandler',
+        'itertools',
+        'posix',
+        'pwd',
+        'time',
+    ]:
+        try:
+            importlib.import_module(module)
+        except ModuleNotFoundError:
+            missing.append(module)
+
+    assert_(len(missing) == 0, msg=f"Missing bootstrap modules: {', '.join(str(m) for m in missing)}")
+
+
+def test_stdlib_modules():
+    "All the stdlib modules exist"
+    missing = []
+    for module in [
+        "_asyncio",
+        "_bisect",
+        "_codecs_cn",
+        "_codecs_hk",
+        "_codecs_iso2022",
+        "_codecs_jp",
+        "_codecs_kr",
+        "_codecs_tw",
+        "_contextvars",
+        "_csv",
+        "_datetime",
+        "_heapq",
+        "_json",
+        "_lsprof",
+        "_multibytecodec",
+        "_multiprocessing",
+        "_opcode",
+        "_pickle",
+        "_posixsubprocess",
+        "_queue",
+        "_random",
+        "_socket",
+        "_statistics",
+        "_struct",
+        "_typing",
+        "_uuid",
+        "array",
+        "binascii",
+        "cmath",
+        "fcntl",
+        "grp",
+        "math",
+        "mmap",
+        "resource",
+        "select",
+        "syslog",
+        "termios",
+        "unicodedata",
+        "zlib",
+        # Scheduled for deprecation
+        "_crypt",
+        "audioop",
+    ]:
+        try:
+            importlib.import_module(module)
+        except ModuleNotFoundError:
+            missing.append(module)
+
+    assert_(len(missing) == 0, msg=f"Missing stdlib modules: {', '.join(str(m) for m in missing)}")
+
+
 def test_bzip2():
     "BZip2 compression with the bz2 module works"
     import bz2

tests/testbed/src/testbed/darwin.py

@@ -1,6 +1,8 @@
 ###########################################################################
 # macOS specific tests
 ###########################################################################
+import importlib
+
 from .utils import assert_
 
 
@@ -49,3 +51,18 @@ def test_posix_subprocess():
 
     result = subprocess.run(["uname", "-s"], capture_output=True)
     assert_(result.stdout == b"Darwin\n")
+
+
+def test_stdlib_modules():
+    "All the macOS-specific stdlib modules exist"
+    missing = []
+    for module in [
+        "_posixshmem",
+        "_scproxy",
+    ]:
+        try:
+            importlib.import_module(module)
+        except ModuleNotFoundError:
+            missing.append(module)
+
+    assert_(len(missing) == 0, msg=f"Missing stdlib modules: {', '.join(str(m) for m in missing)}")

tests/testbed/src/testbed/ios.py

@@ -1,5 +1,3 @@
-import errno
-
 from rubicon.objc import ObjCClass
 
 from .utils import assert_
@@ -19,6 +17,5 @@ def test_subprocess():
     try:
         subprocess.call(['uname', '-a'])
         raise AssertionError('Subprocesses should not be possible')
-    except OSError as e:
-        assert_(e.errno == errno.ENOTSUP)
-        assert_(str(e) == "[Errno 45] ios does not support processes.")
+    except RuntimeError as e:
+        assert_(str(e) == "Subprocesses are not supported on ios")