Add need_svn decorator for tests which require svn

Signed-off-by: Harsh Vardhan <harsh59v@gmail.com>

tests/functional/test_freeze.py

@@ -12,6 +12,7 @@ from tests.lib import (
     _git_commit,
     need_bzr,
     need_mercurial,
+    need_svn,
     path_to_url,
 )
 
@@ -169,7 +170,7 @@ def test_freeze_editable_git_with_no_remote(script, tmpdir, deprecated_python):
     _check_output(result.stdout, expected)
 
 
-@pytest.mark.svn
+@need_svn
 def test_freeze_svn(script, tmpdir):
     """Test freezing a svn checkout"""
 

tests/functional/test_install.py

@@ -21,6 +21,7 @@ from tests.lib import (
     create_test_package_with_setup,
     need_bzr,
     need_mercurial,
+    need_svn,
     path_to_url,
     pyversion,
     pyversion_tuple,
@@ -251,7 +252,7 @@ def test_basic_editable_install(script):
     assert not result.files_updated
 
 
-@pytest.mark.svn
+@need_svn
 def test_basic_install_editable_from_svn(script):
     """
     Test checking out from svn.

tests/functional/test_install_reqs.py

@@ -5,6 +5,7 @@ import pytest
 
 from tests.lib import (
     _create_test_package_with_subdirectory,
+    need_svn,
     path_to_url,
     pyversion,
     requirements_file,
@@ -100,7 +101,7 @@ def test_relative_requirements_file(script, data):
 
 
 @pytest.mark.network
-@pytest.mark.svn
+@need_svn
 def test_multiple_requirements_files(script, tmpdir):
     """
     Test installing from multiple nested requirements files.

tests/functional/test_install_user.py

@@ -6,7 +6,7 @@ from os.path import curdir, isdir, isfile
 
 import pytest
 
-from tests.lib import pyversion
+from tests.lib import need_svn, pyversion
 from tests.lib.local_repos import local_checkout
 
 
@@ -41,7 +41,7 @@ class Tests_UserSite:
         assert 'INITools' == project_name, project_name
 
     @pytest.mark.network
-    @pytest.mark.svn
+    @need_svn
     def test_install_subversion_usersite_editable_with_distribute(
             self, script, tmpdir):
         """

tests/functional/test_uninstall.py

@@ -13,7 +13,11 @@ import pytest
 
 from pip._internal.req.constructors import install_req_from_line
 from pip._internal.utils.misc import rmtree
-from tests.lib import assert_all_changes, create_test_package_with_setup
+from tests.lib import (
+    assert_all_changes,
+    create_test_package_with_setup,
+    need_svn,
+)
 from tests.lib.local_repos import local_checkout, local_repo
 
 
@@ -289,6 +293,7 @@ def test_uninstall_easy_installed_console_scripts(script):
 
 
 @pytest.mark.network
+@need_svn
 def test_uninstall_editable_from_svn(script, tmpdir):
     """
     Test uninstalling an editable installation from svn.
@@ -352,7 +357,7 @@ def _test_uninstall_editable_with_source_outside_venv(
 
 
 @pytest.mark.network
-@pytest.mark.svn
+@need_svn
 def test_uninstall_from_reqs_file(script, tmpdir):
     """
     Test uninstall from a requirements file.

tests/unit/test_vcs.py

@@ -13,7 +13,7 @@ from pip._internal.vcs.git import Git, looks_like_hash
 from pip._internal.vcs.mercurial import Mercurial
 from pip._internal.vcs.subversion import Subversion
 from pip._internal.vcs.versioncontrol import RevOptions, VersionControl
-from tests.lib import is_svn_installed, pyversion
+from tests.lib import is_svn_installed, need_svn, pyversion
 
 if pyversion >= '3':
     VERBOSE_FALSE = False
@@ -411,7 +411,7 @@ def test_subversion__init_use_interactive(
     assert svn.use_interactive == expected
 
 
-@pytest.mark.svn
+@need_svn
 def test_subversion__call_vcs_version():
     """
     Test Subversion.call_vcs_version() against local ``svn``.