tests: add tests for some previously failing calls in url info

tests/unit/test_path_info.py

@@ -0,0 +1,30 @@
+from dvc.path_info import URLInfo
+
+
+def test_url_info_str():
+    u = URLInfo("ssh://[email protected]:/test1/")
+    assert u.url == "ssh://[email protected]/test1/"
+    assert str(u) == u.url
+
+
+def test_url_info_eq():
+    u1 = URLInfo("ssh://[email protected]:/test1/")
+    u2 = URLInfo("ssh://[email protected]/test1")
+    assert u1 == u2
+
+
+def test_url_info_parent():
+    u1 = URLInfo("ssh://[email protected]:/test1/test2")
+    p = u1.parent
+    u3 = URLInfo("ssh://[email protected]/test1")
+    assert u3 == p
+    assert str(p) == "ssh://[email protected]/test1"
+
+
+def test_url_info_parents():
+    u1 = URLInfo("ssh://[email protected]:/test1/test2/test3")
+    parents = u1.parents
+    assert len(parents) == 3
+    assert parents[0] == URLInfo("ssh://[email protected]/test1/test2")
+    assert parents[1] == URLInfo("ssh://[email protected]/test1")
+    assert parents[2] == URLInfo("ssh://[email protected]/")