1 files changed, 37 insertions, 0 deletions

diff --git a/tests/test_repr.py b/tests/test_repr.py
new file mode 100644
index 0000000..9c1f961
--- /dev/null
+++ b/tests/test_repr.py
@@ -0,0 +1,37 @@
+import adblock
+import re
+
+
+def assert_acceptable_repr(obj):
+    # Default repr is r"<[A-Za-z]+ object at 0x[0-9a-f]+>"
+    assert "object at" not in repr(obj)
+    assert re.match(r"[A-Z][a-zA-Z]+\(.*\)", repr(obj)) or re.match(
+        r"([A-Z][a-zA-Z]+)?<.*>", repr(obj)
+    )
+
+
+def test_has_nondefault_repr():
+    for b in (True, False):
+        fs = adblock.FilterSet(debug=b)
+        assert_acceptable_repr(fs)
+        assert repr(b) in repr(fs)
+
+    fs.add_filters(["||example.com^"])
+
+    e = adblock.Engine(fs)
+    assert_acceptable_repr(e)
+
+    result = e.check_network_urls(
+        "https://example.com/picture.png", "https://example.net", "image"
+    )
+    assert_acceptable_repr(result)
+    assert repr(result) == (
+        "BlockerResult(matched={}, important={}, redirect={}, exception={}, filter={}, error={})".format(
+            repr(result.matched),
+            repr(result.important),
+            repr(result.redirect),
+            repr(result.exception),
+            repr(result.filter),
+            repr(result.error),
+        )
+    )