PYTHON-4834 Add __repr__ to IndexModel

- Test remaining kwargs

Author: aclark4life

pymongo/operations.py

@@ -776,7 +776,7 @@ def document(self) -> dict[str, Any]:
     def __repr__(self) -> str:
         return "%s(%s%s)" % (
             self.__class__.__name__,                                               
-            "" if not self.document.get("key") else "keys=%s" % self.document["key"],
+            "keys=%s" % self.document["key"],
             "".join(
                 [
                     ", %s=%r" % (key, value)

test/test_collection.py

@@ -2262,19 +2262,24 @@ def test_index_model_repr(self):
         self.assertRepr(IndexModel("hello"))
         self.assertRepr(IndexModel([("hello", DESCENDING), ("world", ASCENDING)]))
         self.assertRepr(IndexModel([("hello", DESCENDING), ("world", ASCENDING)], name="hello_world"))
-        self.assertRepr(IndexModel("a", unique=True))
-        # self.assertRepr(name
-        # self.assertRepr(unique
-        # self.assertRepr(background
-        # self.assertRepr(sparse
-        # self.assertRepr(bucketSize
-        # self.assertRepr(min
-        # self.assertRepr(max
-        # self.assertRepr(expireAfterSeconds
-        # self.assertRepr(partialFilterExpression
-        # self.assertRepr(collation
-        # self.assertRepr(wildcardProjection
-        # self.assertRepr(hidden
+
+        self.assertRepr(IndexModel("name", name="name"))
+        self.assertRepr(IndexModel("unique", unique=False))
+        self.assertRepr(IndexModel("background", background=True))
+        self.assertRepr(IndexModel("sparse", sparse=True))
+        self.assertRepr(IndexModel("bucketSize", bucketSize=1))
+        self.assertRepr(IndexModel("min", min=1))
+        self.assertRepr(IndexModel("max", max=1))
+        self.assertRepr(IndexModel("expireAfterSeconds", expireAfterSeconds=1))
+        self.assertRepr(IndexModel("partialFilterExpression", partialFilterExpression={"hello": "world"}))
+
+        from pymongo.collation import Collation
+        coll = Collation(locale="en_US")
+        self.assertRepr(IndexModel("collation", collation=coll))
+        self.assertRepr(IndexModel("wildcardProjection", wildcardProjection={ "$**": 1}))
+        self.assertRepr(IndexModel("hidden", hidden=False))
+
+        self.assertRepr(IndexModel({'hello': 1, 'world': -1}, name='hello_world'))
 
 
 if __name__ == "__main__":