switch all rvdss tests from unittest to pytest; basic abbr virus tests

tests/acquisition/rvdss/test_database.py

@@ -1,14 +1,12 @@
 """Unit tests for rvdss/database.py."""
 
-# standard library
-import unittest
+import pytest
 
 # py3tester coverage target
 __test_target__ = "delphi.epidata.acquisition.rvdss.database"
 
 
-class FunctionTests(unittest.TestCase):
-    """Tests each function individually."""
+class TestDatabase():
 
     def test_syntax(self):
         """This no-op test ensures that syntax is valid."""

tests/acquisition/rvdss/test_pull_historic.py

@@ -1,14 +1,12 @@
 """Unit tests for rvdss/pull_historic.py."""
 
-# standard library
-import unittest
+import pytest
 
 # py3tester coverage target
 __test_target__ = "delphi.epidata.acquisition.rvdss.pull_historic"
 
 
-class FunctionTests(unittest.TestCase):
-    """Tests each function individually."""
+class TestPullHistoric():
 
     def test_syntax(self):
         """This no-op test ensures that syntax is valid."""

tests/acquisition/rvdss/test_run.py

@@ -1,14 +1,12 @@
 """Unit tests for rvdss/run.py."""
 
-# standard library
-import unittest
+import pytest
 
 # py3tester coverage target
 __test_target__ = "delphi.epidata.acquisition.rvdss.run"
 
 
-class FunctionTests(unittest.TestCase):
-    """Tests each function individually."""
+class TestRun():
 
     def test_syntax(self):
         """This no-op test ensures that syntax is valid."""

tests/acquisition/rvdss/test_utils.py

@@ -1,15 +1,18 @@
 """Unit tests for rvdss/utils.py."""
 
-# standard library
-import unittest
+import pytest
+
+from delphi.epidata.acquisition.rvdss.utils import abbreviate_virus
 
 # py3tester coverage target
 __test_target__ = "delphi.epidata.acquisition.rvdss.utils"
 
 
-class FunctionTests(unittest.TestCase):
-    """Tests each function individually."""
-
+class TestUtils:
     def test_syntax(self):
         """This no-op test ensures that syntax is valid."""
         pass
+
+    def test_abbreviate_virus(self):
+    	assert abbreviate_virus("influenza") == "flu" # normal case
+    	assert abbreviate_virus("flu") == "flu" # already abbreviated