another test that would work if enable-all-error-codes was also a per-module option, which I guess it isnt

Author: wyattscarpenter

test-data/unit/check-flags.test

@@ -2550,6 +2550,29 @@ enable_all_error_codes = True
 \[mypy-tests.*]
 disable_error_code = ignore-without-code
 
+[case testSpotCheckEnableAllErrorCodesConfigCountermand]
+# flags: --config-file tmp/mypy.ini
+# This test makes sure that the user can still countermand error codes disables
+# by *using* enable_all_error_codes on a more-specific level.
+import tests.foo
+import bar
+[file bar.py]
+def foo() -> int: ...
+if foo: ...  # E: Function "foo" could always be true in boolean context
+42 + "no"  # type: ignore
+[file tests/__init__.py]
+[file tests/foo.py]
+def foo() -> int: ...
+if foo: ...  # E: Function "foo" could always be true in boolean context
+42 + "no"  # type: ignore # E: "type: ignore" comment without error code (consider "type: ignore[operator]" instead)
+[file mypy.ini]
+\[mypy]
+disable_error_code = ignore-without-code
+
+\[mypy-tests.*]
+enable_all_error_codes = True
+
+
 [case testSpotCheckEnableAllErrorCodesCountermand]
 # flags: --enable-all-error-codes --disable-error-code unused-ignore
 x = 2 # type: ignore # E: "type: ignore" comment without error code