Formalise style preference description (#2818)

[etc/vim.git] / tests / test_format.py

diff --git a/tests/test_format.py b/tests/test_format.py
index a659382092ac7251ce6d9be97d09b856adc0a810..04676c1c2c52a578a94a20845e1089149a4857ca 100644 (file)
--- a/tests/test_format.py
+++ b/tests/test_format.py
@@ -1,5 +1,5 @@
 from dataclasses import replace
 from dataclasses import replace

-from typing import Any, Iterator
+from typing import Any, Iterator, List

 from unittest.mock import patch
 
 import pytest
 from unittest.mock import patch
 
 import pytest


@@ -14,7 +14,8 @@ from tests.util import (
     read_data,
 )
 
     read_data,
 )
 

-SIMPLE_CASES = [
+SIMPLE_CASES: List[str] = [
+    "attribute_access_on_number_literals",

     "beginning_backslash",
     "bracketmatch",
     "class_blank_parentheses",
     "beginning_backslash",
     "bracketmatch",
     "class_blank_parentheses",


@@ -48,20 +49,29 @@ SIMPLE_CASES = [
     "function2",
     "function_trailing_comma",
     "import_spacing",
     "function2",
     "function_trailing_comma",
     "import_spacing",

+    "power_op_spacing",

     "remove_parens",
     "slices",
     "string_prefixes",
     "remove_parens",
     "slices",
     "string_prefixes",

+    "torture",
+    "trailing_comma_optional_parens1",
+    "trailing_comma_optional_parens2",
+    "trailing_comma_optional_parens3",

     "tricky_unicode_symbols",
     "tupleassign",
 ]
 
     "tricky_unicode_symbols",
     "tupleassign",
 ]
 

-SIMPLE_CASES_PY2 = [
-    "numeric_literals_py2",
-    "python2",
-    "python2_unicode_literals",
+PY310_CASES: List[str] = [
+    "pattern_matching_simple",
+    "pattern_matching_complex",
+    "pattern_matching_extras",
+    "pattern_matching_style",
+    "pattern_matching_generic",
+    "parenthesized_context_managers",

 ]
 
 ]
 

-EXPERIMENTAL_STRING_PROCESSING_CASES = [
+PREVIEW_CASES: List[str] = [
+    # string processing

     "cantfit",
     "comments7",
     "long_strings",
     "cantfit",
     "comments7",
     "long_strings",


@@ -70,8 +80,7 @@ EXPERIMENTAL_STRING_PROCESSING_CASES = [
     "percent_precedence",
 ]
 
     "percent_precedence",
 ]
 

-
-SOURCES = [
+SOURCES: List[str] = [

     "src/black/__init__.py",
     "src/black/__main__.py",
     "src/black/brackets.py",
     "src/black/__init__.py",
     "src/black/__main__.py",
     "src/black/brackets.py",


@@ -93,6 +102,8 @@ SOURCES = [
     "src/black/strings.py",
     "src/black/trans.py",
     "src/blackd/__init__.py",
     "src/black/strings.py",
     "src/black/trans.py",
     "src/blackd/__init__.py",

+    "src/black_primer/cli.py",
+    "src/black_primer/lib.py",

     "src/blib2to3/pygram.py",
     "src/blib2to3/pytree.py",
     "src/blib2to3/pgen2/conv.py",
     "src/blib2to3/pygram.py",
     "src/blib2to3/pytree.py",
     "src/blib2to3/pgen2/conv.py",


@@ -125,20 +136,14 @@ def check_file(filename: str, mode: black.Mode, *, data: bool = True) -> None:
     assert_format(source, expected, mode, fast=False)
 
 
     assert_format(source, expected, mode, fast=False)
 
 

-@pytest.mark.parametrize("filename", SIMPLE_CASES_PY2)
-@pytest.mark.python2
-def test_simple_format_py2(filename: str) -> None:
-    check_file(filename, DEFAULT_MODE)
-
-

 @pytest.mark.parametrize("filename", SIMPLE_CASES)
 def test_simple_format(filename: str) -> None:
     check_file(filename, DEFAULT_MODE)
 
 
 @pytest.mark.parametrize("filename", SIMPLE_CASES)
 def test_simple_format(filename: str) -> None:
     check_file(filename, DEFAULT_MODE)
 
 

-@pytest.mark.parametrize("filename", EXPERIMENTAL_STRING_PROCESSING_CASES)
-def test_experimental_format(filename: str) -> None:
-    check_file(filename, black.Mode(experimental_string_processing=True))
+@pytest.mark.parametrize("filename", PREVIEW_CASES)
+def test_preview_format(filename: str) -> None:
+    check_file(filename, black.Mode(preview=True))

 
 
 @pytest.mark.parametrize("filename", SOURCES)
 
 
 @pytest.mark.parametrize("filename", SOURCES)


@@ -185,6 +190,34 @@ def test_pep_570() -> None:
     assert_format(source, expected, minimum_version=(3, 8))
 
 
     assert_format(source, expected, minimum_version=(3, 8))
 
 

+@pytest.mark.parametrize("filename", PY310_CASES)
+def test_python_310(filename: str) -> None:
+    source, expected = read_data(filename)
+    mode = black.Mode(target_versions={black.TargetVersion.PY310})
+    assert_format(source, expected, mode, minimum_version=(3, 10))
+
+
+def test_python_310_without_target_version() -> None:
+    source, expected = read_data("pattern_matching_simple")
+    mode = black.Mode()
+    assert_format(source, expected, mode, minimum_version=(3, 10))
+
+
+def test_patma_invalid() -> None:
+    source, expected = read_data("pattern_matching_invalid")
+    mode = black.Mode(target_versions={black.TargetVersion.PY310})
+    with pytest.raises(black.parsing.InvalidInput) as exc_info:
+        assert_format(source, expected, mode, minimum_version=(3, 10))
+
+    exc_info.match("Cannot parse: 10:11")
+
+
+def test_python_2_hint() -> None:
+    with pytest.raises(black.parsing.InvalidInput) as exc_info:
+        assert_format("print 'daylily'", "print 'daylily'")
+    exc_info.match(black.parsing.PY2_HINT)
+
+

 def test_docstring_no_string_normalization() -> None:
     """Like test_docstring but with string normalization off."""
     source, expected = read_data("docstring_no_string_normalization")
 def test_docstring_no_string_normalization() -> None:
     """Like test_docstring but with string normalization off."""
     source, expected = read_data("docstring_no_string_normalization")


@@ -211,13 +244,6 @@ def test_numeric_literals_ignoring_underscores() -> None:
     assert_format(source, expected, mode)
 
 
     assert_format(source, expected, mode)
 
 

-@pytest.mark.python2
-def test_python2_print_function() -> None:
-    source, expected = read_data("python2_print_function")
-    mode = replace(DEFAULT_MODE, target_versions={black.TargetVersion.PY27})
-    assert_format(source, expected, mode)
-
-

 def test_stub() -> None:
     mode = replace(DEFAULT_MODE, is_pyi=True)
     source, expected = read_data("stub.pyi")
 def test_stub() -> None:
     mode = replace(DEFAULT_MODE, is_pyi=True)
     source, expected = read_data("stub.pyi")


@@ -232,3 +258,9 @@ def test_python38() -> None:
 def test_python39() -> None:
     source, expected = read_data("python39")
     assert_format(source, expected, minimum_version=(3, 9))
 def test_python39() -> None:
     source, expected = read_data("python39")
     assert_format(source, expected, minimum_version=(3, 9))

+
+
+def test_power_op_newline() -> None:
+    # requires line_length=0
+    source, expected = read_data("power_op_newline")
+    assert_format(source, expected, mode=black.Mode(line_length=0))