add fuzzy matching helper to importer base class

Using fuzzycat. Add basic test coverage.

2 files changed, 85 insertions, 0 deletions

diff --git a/python/tests/fixtures.py b/python/tests/fixtures.py
index d71ac21d..e0bb1aae 100644
--- a/python/tests/fixtures.py
+++ b/python/tests/fixtures.py
@@ -45,6 +45,13 @@ ES_CONTAINER_RANDOM_RESP = {
     'took': 50
 }
 
+ES_RELEASE_EMPTY_RESP = {
+    'timed_out': False,
+    'hits': {'total': 0, 'hits': [], 'max_score': 0.0},
+    '_shards': {'successful': 5, 'total': 5, 'skipped': 0, 'failed': 0},
+    'took': 50
+}
+
 @pytest.fixture
 def full_app(mocker):
     load_dotenv(dotenv_path="./example.env")
diff --git a/python/tests/import_common.py b/python/tests/import_common.py
new file mode 100644
index 00000000..9f04ebe0
--- /dev/null
+++ b/python/tests/import_common.py
@@ -0,0 +1,78 @@
+
+import json
+import datetime
+from typing import Any
+
+import pytest
+import elasticsearch
+import fatcat_openapi_client
+from fatcat_openapi_client import ReleaseEntity, ReleaseExtIds
+import fuzzycat.matching
+
+from fatcat_tools.importers import EntityImporter
+from fatcat_tools.transforms import entity_to_dict
+from fixtures import *
+
+
+@pytest.fixture(scope="function")
+def entity_importer(api, mocker) -> Any:
+    es_client = elasticsearch.Elasticsearch("mockbackend")
+    mocker.patch('elasticsearch.connection.Urllib3HttpConnection.perform_request')
+    yield EntityImporter(api, es_client=es_client)
+
+def test_fuzzy_match_none(entity_importer, mocker) -> None:
+    """
+    Simple ES-mocked test for "no search results" case
+    """
+
+    es_raw = mocker.patch('elasticsearch.connection.Urllib3HttpConnection.perform_request')
+    es_raw.side_effect = [
+        (200, {}, json.dumps(ES_RELEASE_EMPTY_RESP)),
+        (200, {}, json.dumps(ES_RELEASE_EMPTY_RESP)),
+    ]
+
+    release = ReleaseEntity(
+        title="some long title which should not match anything because it is for testing",
+        ext_ids=ReleaseExtIds(),
+    )
+
+    resp = entity_importer.match_existing_release_fuzzy(release)
+    assert resp == None
+
+def test_fuzzy_match_different(entity_importer, mocker) -> None:
+    """
+    Simple fuzzycat-mocked test for "strong match" case
+    """
+
+    r1 = ReleaseEntity(
+        title="example title: novel work",
+        contribs=[ReleaseContrib(raw_name="robin hood")],
+        ext_ids=ReleaseExtIds(doi="10.1234/abcdefg"),
+    )
+    r2 = ReleaseEntity(
+        title="Example Title: Novel Work?",
+        contribs=[ReleaseContrib(raw_name="robin hood")],
+        ext_ids=ReleaseExtIds(),
+    )
+    r3 = ReleaseEntity(
+        title="entirely different",
+        contribs=[ReleaseContrib(raw_name="king tut")],
+        ext_ids=ReleaseExtIds(),
+    )
+
+    match_raw = mocker.patch('fatcat_tools.importers.common.match_release_fuzzy')
+    match_raw.side_effect = [[r3, r2, r3, r2]]
+    resp = entity_importer.match_existing_release_fuzzy(r1)
+    assert resp == ("STRONG", r2)
+
+    match_raw.side_effect = [[r2, r2, r3, r1]]
+    resp = entity_importer.match_existing_release_fuzzy(r1)
+    assert resp == ("EXACT", r1)
+
+    match_raw.side_effect = [[r3]]
+    resp = entity_importer.match_existing_release_fuzzy(r1)
+    assert resp == None
+
+    match_raw.side_effect = [[]]
+    resp = entity_importer.match_existing_release_fuzzy(r1)
+    assert resp == None