Remove the test helpers into their own repo

1 files changed, 0 insertions, 111 deletions

diff --git a/tests/test_testing.py b/tests/test_testing.py
index 1dafdd0d..c5858bf1 100644
--- a/tests/test_testing.py
+++ b/tests/test_testing.py
@@ -6,15 +6,11 @@
 
 import datetime
 import os
-import re
 import sys
-import textwrap
 
 import coverage
 from coverage.backunittest import TestCase
-from coverage.backward import to_bytes
 from coverage.files import actual_path
-from coverage.test_helpers import EnvironmentAwareMixin, TempDirMixin, DelayedAssertionMixin
 
 from tests.coveragetest import CoverageTest
 
@@ -31,113 +27,6 @@ class TestingTest(TestCase):
             self.assertCountEqual(set([1,2,3]), set([4,5,6]))
 
 
-class TempDirMixinTest(TempDirMixin, TestCase):
-    """Test the methods in TempDirMixin."""
-
-    def file_text(self, fname):
-        """Return the text read from a file."""
-        with open(fname, "rb") as f:
-            return f.read().decode('ascii')
-
-    def test_make_file(self):
-        # A simple file.
-        self.make_file("fooey.boo", "Hello there")
-        self.assertEqual(self.file_text("fooey.boo"), "Hello there")
-        # A file in a sub-directory
-        self.make_file("sub/another.txt", "Another")
-        self.assertEqual(self.file_text("sub/another.txt"), "Another")
-        # A second file in that sub-directory
-        self.make_file("sub/second.txt", "Second")
-        self.assertEqual(self.file_text("sub/second.txt"), "Second")
-        # A deeper directory
-        self.make_file("sub/deeper/evenmore/third.txt")
-        self.assertEqual(self.file_text("sub/deeper/evenmore/third.txt"), "")
-
-    def test_make_file_newline(self):
-        self.make_file("unix.txt", "Hello\n")
-        self.assertEqual(self.file_text("unix.txt"), "Hello\n")
-        self.make_file("dos.txt", "Hello\n", newline="\r\n")
-        self.assertEqual(self.file_text("dos.txt"), "Hello\r\n")
-        self.make_file("mac.txt", "Hello\n", newline="\r")
-        self.assertEqual(self.file_text("mac.txt"), "Hello\r")
-
-    def test_make_file_non_ascii(self):
-        self.make_file("unicode.txt", "tabblo: «ταБЬℓσ»")
-        with open("unicode.txt", "rb") as f:
-            text = f.read()
-        self.assertEqual(text, to_bytes("tabblo: «ταБЬℓσ»"))
-
-
-class EnvironmentAwareMixinTest(EnvironmentAwareMixin, TestCase):
-    """Tests of test_helpers.EnvironmentAwareMixin."""
-
-    def test_setting_and_cleaning_env_vars(self):
-        # The before state.
-        # Not sure what environment variables are available in all of our
-        # different testing environments, so try a bunch.
-        for envvar in ["HOME", "HOMEDIR", "USER", "SYSTEMDRIVE", "TEMP"]:   # pragma: part covered
-            if envvar in os.environ:
-                original_text = os.environ[envvar]
-                new_text = "Some Strange Text"
-                break
-        # pylint: disable=undefined-loop-variable
-        self.assertNotEqual(original_text, new_text)
-        self.assertNotIn("XYZZY_PLUGH", os.environ)
-
-        # Change the environment.
-        self.set_environ(envvar, new_text)
-        self.set_environ("XYZZY_PLUGH", "Vogon")
-
-        self.assertEqual(os.environ[envvar], new_text)
-        self.assertEqual(os.environ["XYZZY_PLUGH"], "Vogon")
-
-        # Do the clean ups early.
-        self.doCleanups()
-
-        # The environment should be restored.
-        self.assertEqual(os.environ[envvar], original_text)
-        self.assertNotIn("XYZZY_PLUGH", os.environ)
-
-
-class DelayedAssertionMixinTest(DelayedAssertionMixin, TestCase):
-    """Test the `delayed_assertions` method."""
-
-    def test_delayed_assertions(self):
-        # Two assertions can be shown at once:
-        msg = re.escape(textwrap.dedent("""\
-            2 failed assertions:
-            'x' != 'y'
-            - x
-            + y
-
-            'w' != 'z'
-            - w
-            + z
-            """))
-        with self.assertRaisesRegex(AssertionError, msg):
-            with self.delayed_assertions():
-                self.assertEqual("x", "y")
-                self.assertEqual("w", "z")
-
-        # It's also OK if only one fails:
-        msg = re.escape(textwrap.dedent("""\
-            'w' != 'z'
-            - w
-            + z
-            """))
-        with self.assertRaisesRegex(AssertionError, msg):
-            with self.delayed_assertions():
-                self.assertEqual("x", "x")
-                self.assertEqual("w", "z")
-
-        # If an error happens, it gets reported immediately, no special
-        # handling:
-        with self.assertRaises(ZeroDivisionError):
-            with self.delayed_assertions():
-                self.assertEqual("x", "y")
-                self.assertEqual("w", 1/0)
-
-
 class CoverageTestTest(CoverageTest):
     """Test the methods in `CoverageTest`."""