test: make git-daemon port configurable via env

add a GIT_PYTHON_TEST_GIT_DAEMON_PORT to set a port other than 9418,
for example for when you already have a daemon running on that port.

1 files changed, 7 insertions, 3 deletions

diff --git a/git/test/lib/helper.py b/git/test/lib/helper.py
index 77ab82ff..8be2881c 100644
--- a/git/test/lib/helper.py
+++ b/git/test/lib/helper.py
@@ -18,10 +18,11 @@ from git.compat import string_types
 osp = os.path.dirname
 
 GIT_REPO = os.environ.get("GIT_PYTHON_TEST_GIT_REPO_BASE", osp(osp(osp(osp(__file__)))))
+GIT_DAEMON_PORT = os.environ.get("GIT_PYTHON_TEST_GIT_DAEMON_PORT", "9418")
 
 __all__ = (
     'fixture_path', 'fixture', 'absolute_project_path', 'StringProcessAdapter',
-    'with_rw_repo', 'with_rw_and_rw_remote_repo', 'TestBase', 'TestCase', 'GIT_REPO'
+    'with_rw_repo', 'with_rw_and_rw_remote_repo', 'TestBase', 'TestCase', 'GIT_REPO', 'GIT_DAEMON_PORT'
 )
 
 #{ Routines
@@ -193,14 +194,15 @@ def with_rw_and_rw_remote_repo(working_tree_ref):
             # by the user, not by us
             d_remote = Remote.create(rw_repo, "daemon_origin", remote_repo_dir)
             d_remote.fetch()
-            remote_repo_url = "git://localhost%s" % remote_repo_dir
+            remote_repo_url = "git://localhost:%s%s" % (GIT_DAEMON_PORT, remote_repo_dir)
 
             d_remote.config_writer.set('url', remote_repo_url)
 
             temp_dir = osp(_mktemp())
             # On windows, this will fail ... we deal with failures anyway and default to telling the user to do it
             try:
-                gd = Git().daemon(temp_dir, enable='receive-pack', listen='127.0.0.1', as_process=True)
+                gd = Git().daemon(temp_dir, enable='receive-pack', listen='127.0.0.1', port=GIT_DAEMON_PORT,
+                                  as_process=True)
                 # yes, I know ... fortunately, this is always going to work if sleep time is just large enough
                 time.sleep(0.5)
             except Exception:
@@ -223,6 +225,8 @@ def with_rw_and_rw_remote_repo(working_tree_ref):
                     raise AssertionError(msg)
                 else:
                     msg = 'Please start a git-daemon to run this test, execute: git daemon --enable=receive-pack "%s"'
+                    msg += 'You can also run the daemon on a different port by passing --port=<port>'
+                    msg += 'and setting the environment variable GIT_PYTHON_TEST_GIT_DAEMON_PORT to <port>'
                     msg %= temp_dir
                     raise AssertionError(msg)
                 # END make assertion