dclient auth commands

Closes #3

tests/test_utils.py

@@ -0,0 +1,67 @@
+from dclient.utils import token_for_url, url_matches_prefix
+import pytest
+
+
+@pytest.mark.parametrize(
+    "url,prefix_url,expected",
+    (
+        ("https://example.com/foo/bar", "https://example.com/foo", True),
+        ("https://example.com/foo/bar2", "https://example.com/foo/bar", False),
+        ("https://example.com/foo/bar/baz", "https://example.com/foo/bar", True),
+        ("https://example.com/foo/bar/baz", "https://example.com/foo", True),
+        ("https://example.com/foo.json", "https://example.com/foo", True),
+        # different scheme
+        (
+            "http://example.com/foo/bar",
+            "https://example.com/foo",
+            False,
+        ),
+        # different netloc
+        (
+            "https://example.org/foo/bar",
+            "https://example.com/foo",
+            False,
+        ),
+        # exactly the same
+        ("https://example.com/foo", "https://example.com/foo", True),
+        # trailing '/'
+        (
+            "https://example.com/foo/bar",
+            "https://example.com/foo/bar/",
+            False,
+        ),
+        (
+            "https://example.com/foo/bar/baz",
+            "https://example.com/foo/bar/",
+            True,
+        ),
+    ),
+)
+def test_url_matches_prefix(url, prefix_url, expected):
+    assert url_matches_prefix(url, prefix_url) == expected
+
+
+@pytest.mark.parametrize(
+    "url,tokens,expected",
+    (
+        ("https://foo.com/bar", {"https://foo.com": "foo"}, "foo"),
+        ("https://foo.com/bar", {"https://foo.com/baz": "baz"}, None),
+        (
+            "https://foo.com/bar",
+            {"https://foo.com": "foo", "https://foo.com/bar": "bar"},
+            "bar",
+        ),
+        (
+            "https://foo.com/bar/baz",
+            {
+                "https://foo.com": "foo",
+                "https://foo.com/bar/baz": "baz",
+                "https://foo.com/bar": "bar",
+            },
+            "baz",
+        ),
+    ),
+)
+def test_token_for_url(url, tokens, expected):
+    # Should always return longest matching of the available options
+    assert token_for_url(url, tokens) == expected