Merge #998

998: add: frequency value for matchingStrategy search parameter r=sanders41 a=239yash

# Pull Request

## Related issue
Fixes #987 

## What does this PR do?
- addition of frequency value for `matchingStrategy` search parameter

## PR checklist
Please check if your PR fulfills the following requirements:
- [X] Have you made sure that the title is accurate and descriptive of the changes?
- [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?

Thank you so much for contributing to Meilisearch!


Co-authored-by: 239yash <[email protected]>

Author: meili-bors[bot]

.code-samples.meilisearch.yaml

@@ -311,6 +311,10 @@ search_parameter_guide_matching_strategy_2: |-
   client.index('movies').search('big fat liar', {
     'matchingStrategy': 'all'
   })
+search_parameter_guide_matching_strategy_3: |-
+  client.index('movies').search('big fat liar', {
+    'matchingStrategy': 'frequency'
+  })
 search_parameter_guide_highlight_1: |-
   client.index('movies').search('winter feast', {
     'attributesToHighlight': ['overview']

tests/index/test_index_search_meilisearch.py

@@ -419,6 +419,20 @@ def test_custom_search_params_with_matching_strategy_last(index_with_documents):
     assert len(response["hits"]) > 1
 
 
+def test_custom_search_params_with_matching_strategy_frequency(index_with_documents):
+    """Tests search with matching strategy param set to frequency"""
+    response = index_with_documents().search(
+        "man loves",
+        {
+            "limit": 5,
+            "matchingStrategy": "frequency",
+        },
+    )
+
+    assert isinstance(response, dict)
+    assert len(response["hits"]) > 1
+
+
 def test_custom_search_params_with_pagination_parameters(index_with_documents):
     """Tests search with matching strategy param set to last"""
     response = index_with_documents().search("", {"hitsPerPage": 1, "page": 1})