add test for lims.get_batch to show the return type

tests/test_lims.py

@@ -3,7 +3,7 @@
 
 from requests.exceptions import HTTPError
 
-from pyclarity_lims.entities import Sample, Project, Container
+from pyclarity_lims.entities import Sample, Project, Container, Artifact
 from pyclarity_lims.lims import Lims
 from tests import elements_equal
 
@@ -212,6 +212,32 @@ def test_get_instances(self):
             assert len(samples) == 6
             assert mget.call_count == 3
 
+    def test_get_batch(self):
+        lims = Lims(self.url, username=self.username, password=self.password)
+        arts = [Artifact(lims, id='a1'), Artifact(lims, id='a2')]
+        artifact_list = '''<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+        <art:details xmlns:art="http://genologics.com/ri/artifact">
+          <art:artifact limsid="a1" uri="{url}/artifacts/a1">
+            <name>art1</name>
+            <type>type1</type>
+          </art:artifact>
+          <art:artifact limsid="a2" uri="{url}/artifacts/a2">
+            <name>art2</name>
+            <type>type2</type>
+          </art:artifact>
+        </art:details>
+        '''
+        with patch('requests.post', return_value=Mock(content=artifact_list, status_code=200)) as mocked_post:
+            arts = lims.get_batch(arts)
+            assert type(arts) == list
+            assert arts[0].name == 'art1'
+            assert arts[1].name == 'art2'
+            mocked_post.assert_called_once_with(
+                'http://testgenologics.com:4040/api/v2/artifacts/batch/retrieve',
+                auth=('test', 'password'),
+                data=b'<?xml version=\'1.0\' encoding=\'utf-8\'?>\n<ri:links xmlns:ri="http://genologics.com/ri"><link rel="artifacts" uri="http://testgenologics.com:4040/api/v2/artifacts/a1" /><link rel="artifacts" uri="http://testgenologics.com:4040/api/v2/artifacts/a2" /></ri:links>',
+                headers={'content-type': 'application/xml', 'accept': 'application/xml'}, params={})
+
     def test_create_batch(self):
         lims = Lims(self.url, username=self.username, password=self.password)
         p = Project(lims, uri='project')