Cover more in the usage docs (#2208)

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

diff --git a/tests/test_format.py b/tests/test_format.py
index e4677707e3ca5091d6f8d111f6cb33559ecc6cdb..5c78afe0ba686f35fdfc0de44779c6ecaa115371 100644 (file)
--- a/tests/test_format.py
+++ b/tests/test_format.py
@@ -1,12 +1,12 @@
 from unittest.mock import patch
 
 import black
+import pytest
 from parameterized import parameterized
 
 from tests.util import (
     BlackBaseTestCase,
     fs,
-    ff,
     DEFAULT_MODE,
     dump_to_stderr,
     read_data,
@@ -16,7 +16,6 @@ from tests.util import (
 SIMPLE_CASES = [
     "beginning_backslash",
     "bracketmatch",
-    "cantfit",
     "class_blank_parentheses",
     "class_methods_new_line",
     "collections",
@@ -26,7 +25,7 @@ SIMPLE_CASES = [
     "comments4",
     "comments5",
     "comments6",
-    "comments7",
+    "comments_non_breaking_space",
     "comment_after_escaped_newline",
     "composition",
     "composition_no_trailing_comma",
@@ -37,18 +36,16 @@ SIMPLE_CASES = [
     "fmtonoff2",
     "fmtonoff3",
     "fmtonoff4",
+    "fmtskip",
+    "fmtskip2",
+    "fmtskip3",
+    "fmtskip4",
+    "fmtskip5",
     "fstring",
     "function",
     "function2",
     "function_trailing_comma",
     "import_spacing",
-    "long_strings",
-    "long_strings__edge_case",
-    "long_strings__regression",
-    "numeric_literals_py2",
-    "percent_precedence",
-    "python2",
-    "python2_unicode_literals",
     "remove_parens",
     "slices",
     "string_prefixes",
@@ -56,12 +53,44 @@ SIMPLE_CASES = [
     "tupleassign",
 ]
 
+SIMPLE_CASES_PY2 = [
+    "numeric_literals_py2",
+    "python2",
+    "python2_unicode_literals",
+]
+
+EXPERIMENTAL_STRING_PROCESSING_CASES = [
+    "cantfit",
+    "comments7",
+    "long_strings",
+    "long_strings__edge_case",
+    "long_strings__regression",
+    "percent_precedence",
+]
+
 
 SOURCES = [
-    "tests/test_black.py",
-    "tests/test_format.py",
-    "tests/test_blackd.py",
     "src/black/__init__.py",
+    "src/black/__main__.py",
+    "src/black/brackets.py",
+    "src/black/cache.py",
+    "src/black/comments.py",
+    "src/black/concurrency.py",
+    "src/black/const.py",
+    "src/black/debug.py",
+    "src/black/files.py",
+    "src/black/linegen.py",
+    "src/black/lines.py",
+    "src/black/mode.py",
+    "src/black/nodes.py",
+    "src/black/numerics.py",
+    "src/black/output.py",
+    "src/black/parsing.py",
+    "src/black/report.py",
+    "src/black/rusty.py",
+    "src/black/strings.py",
+    "src/black/trans.py",
+    "src/blackd/__init__.py",
     "src/blib2to3/pygram.py",
     "src/blib2to3/pytree.py",
     "src/blib2to3/pgen2/conv.py",
@@ -73,26 +102,43 @@ SOURCES = [
     "src/blib2to3/pgen2/tokenize.py",
     "src/blib2to3/pgen2/token.py",
     "setup.py",
+    "tests/test_black.py",
+    "tests/test_blackd.py",
+    "tests/test_format.py",
+    "tests/test_primer.py",
+    "tests/optional.py",
+    "tests/util.py",
+    "tests/conftest.py",
 ]
 
 
 class TestSimpleFormat(BlackBaseTestCase):
+    @parameterized.expand(SIMPLE_CASES_PY2)
+    @pytest.mark.python2
+    @patch("black.dump_to_file", dump_to_stderr)
+    def test_simple_format_py2(self, filename: str) -> None:
+        self.check_file(filename, DEFAULT_MODE)
+
     @parameterized.expand(SIMPLE_CASES)
     @patch("black.dump_to_file", dump_to_stderr)
     def test_simple_format(self, filename: str) -> None:
-        source, expected = read_data(filename)
-        actual = fs(source)
-        self.assertFormatEqual(expected, actual)
-        black.assert_equivalent(source, actual)
-        black.assert_stable(source, actual, DEFAULT_MODE)
+        self.check_file(filename, DEFAULT_MODE)
+
+    @parameterized.expand(EXPERIMENTAL_STRING_PROCESSING_CASES)
+    @patch("black.dump_to_file", dump_to_stderr)
+    def test_experimental_format(self, filename: str) -> None:
+        self.check_file(filename, black.Mode(experimental_string_processing=True))
 
     @parameterized.expand(SOURCES)
     @patch("black.dump_to_file", dump_to_stderr)
     def test_source_is_formatted(self, filename: str) -> None:
         path = THIS_DIR.parent / filename
-        source, expected = read_data(str(path), data=False)
-        actual = fs(source, mode=DEFAULT_MODE)
+        self.check_file(str(path), DEFAULT_MODE, data=False)
+
+    def check_file(self, filename: str, mode: black.Mode, *, data: bool = True) -> None:
+        source, expected = read_data(filename, data=data)
+        actual = fs(source, mode=mode)
         self.assertFormatEqual(expected, actual)
-        black.assert_equivalent(source, actual)
-        black.assert_stable(source, actual, DEFAULT_MODE)
-        self.assertFalse(ff(path))
+        if source != actual:
+            black.assert_equivalent(source, actual)
+            black.assert_stable(source, actual, mode)