special-case `--prompt .` to the cwd (#2220)

Co-authored-by: Bernát Gábor <gaborjbernat@gmail.com>

1 files changed, 18 insertions, 0 deletions

diff --git a/tests/unit/activation/test_activator.py b/tests/unit/activation/test_activator.py
new file mode 100644
index 0000000..4a8a51c
--- /dev/null
+++ b/tests/unit/activation/test_activator.py
@@ -0,0 +1,18 @@
+from __future__ import absolute_import, unicode_literals
+
+from argparse import Namespace
+
+from virtualenv.activation.activator import Activator
+
+
+def test_activator_prompt_cwd(monkeypatch, tmp_path):
+    class FakeActivator(Activator):
+        def generate(self, creator):
+            raise NotImplementedError
+
+    cwd = tmp_path / "magic"
+    cwd.mkdir()
+    monkeypatch.chdir(cwd)
+
+    activator = FakeActivator(Namespace(prompt="."))
+    assert activator.flag_prompt == "magic"