Merge #1008

1008: Supports `rankingScoreThreshold` search parameter r=sanders41 a=aweidner

# Pull Request

## Related issue
Fixes #986 

## What does this PR do?
- Adds an integration test for a search using `rankingScoreThreshold`
- Updates the code example file to include a translated call for search involving `rankingScoreThreshold`

## PR checklist
Please check if your PR fulfills the following requirements:
- [x] Does this PR fix an existing issue, or have you listed the changes applied in the PR description (and why they are needed)?
- [x] Have you read the contributing guidelines?
- [x] Have you made sure that the title is accurate and descriptive of the changes?

Thank you so much for contributing to Meilisearch!


Co-authored-by: Adam Weidner <[email protected]>
Co-authored-by: Adam Weidner <[email protected]>

Author: meili-bors[bot]

.code-samples.meilisearch.yaml

@@ -730,3 +730,5 @@ update_proximity_precision_settings_1: |-
   client.index('books').update_proximity_precision(ProximityPrecision.BY_ATTRIBUTE)
 reset_proximity_precision_settings_1: |-
   client.index('books').reset_proximity_precision()
+search_parameter_reference_ranking_score_threshold_1: |-
+  client.index('INDEX_NAME').search('badman', { 'rankingScoreThreshold': 0.2 })

tests/index/test_index_search_meilisearch.py

@@ -518,3 +518,19 @@ def test_search_distinct(index_with_documents):
     assert len(response["hits"]) == 11
     assert genres == {None: 9, "action": 1, "Sci Fi": 1}
     assert response["hits"][0]["id"] == "399579"
+
+
+@pytest.mark.parametrize(
+    "query, ranking_score_threshold, expected",
+    (
+        ("Husband and wife", 1, 0),
+        ("Husband and wife", 0.9, 1),
+        ("wife", 0.9, 0),
+        ("wife", 0.5, 2),
+    ),
+)
+def test_search_ranking_threshold(query, ranking_score_threshold, expected, index_with_documents):
+    response = index_with_documents().search(
+        query, {"rankingScoreThreshold": ranking_score_threshold}
+    )
+    assert len(response["hits"]) == expected