Add test

cherry_picker/test.py

@@ -56,6 +56,12 @@ def git_init():
     return lambda: subprocess.run(git_init_cmd, check=True)
 
 
+@pytest.fixture
+def git_remote():
+    git_remote_cmd = "git", "remote"
+    return lambda *extra_args: (subprocess.run(git_remote_cmd + extra_args, check=True))
+
+
 @pytest.fixture
 def git_add():
     git_add_cmd = "git", "add"
@@ -217,6 +223,27 @@ def test_get_cherry_pick_branch(os_path_exists, config):
     assert cp.get_cherry_pick_branch("3.6") == "backport-22a594a-3.6"
 
 
+@pytest.mark.parametrize("remote_name", ("upstream", "origin", "python"))
+def test_upstream_name(remote_name, config, tmp_git_repo_dir, git_remote):
+    upstream_remote = None
+    if remote_name == "python":
+        upstream_remote = "python"
+    git_remote("add", remote_name, "https://github.com/python/cpython.git")
+    if remote_name != "origin":
+        git_remote("add", "origin", "https://github.com/miss-islington/cpython.git")
+
+    branches = ["3.6"]
+    with mock.patch("cherry_picker.cherry_picker.validate_sha", return_value=True):
+        cp = CherryPicker(
+            "origin",
+            "22a594a0047d7706537ff2ac676cdc0f1dcb329c",
+            branches,
+            config=config,
+            upstream_remote=upstream_remote,
+        )
+    assert cp.upstream == remote_name
+
+
 def test_get_pr_url(config):
     branches = ["3.6"]