datacite: add simple test and fixture for datacite api interaction

1 files changed, 45 insertions, 0 deletions

diff --git a/python/tests/harvest_datacite.py b/python/tests/harvest_datacite.py
new file mode 100644
index 00000000..5aaa8ac4
--- /dev/null
+++ b/python/tests/harvest_datacite.py
@@ -0,0 +1,45 @@
+
+import json
+import pytest
+import datetime
+import responses
+from fatcat_tools.harvest import *
+
+
+@responses.activate
+def test_datacite_harvest_date(mocker):
+
+    # mock out the harvest state object so it doesn't try to actually connect
+    # to Kafka
+    mocker.patch('fatcat_tools.harvest.harvest_common.HarvestState.initialize_from_kafka')
+
+    # mock day request to crossref API
+    with open('tests/files/datacite_api.json', 'r') as f:
+        crossref_resp = json.loads(f.readline())
+    responses.add(responses.GET, 'https://api.datacite.org/dois',
+        json=crossref_resp, status=200)
+
+    harvester = HarvestDataciteWorker(
+        kafka_hosts="dummy",
+        produce_topic="dummy-produce-topic",
+        state_topic="dummy-state-topic",
+        contact_email="test@fatcat.wiki",
+    )
+
+    harvester.producer = mocker.Mock()
+
+    harvester.fetch_date(datetime.date(2019, 2, 3))
+
+    assert len(responses.calls) == 1
+
+    # ensure email was included in User-Agent
+    assert "mailto:test@fatcat.wiki" in responses.calls[0].request.headers['User-Agent']
+
+    # check that correct date param was passed as expected
+    assert "query=updated%3A%5B2019-02-03T00%3A00%3A00.000Z+TO+2019-02-03T23%3A59%3A59.999Z%5D" in responses.calls[0].request.url
+
+    # check that we published the expected number of DOI objects were published
+    # to the (mock) kafka topic
+    assert harvester.producer.produce.call_count == 25
+    assert harvester.producer.flush.call_count == 1
+    assert harvester.producer.poll.called_once_with(0)