Removed unused DB-adapters, test cases, 60+% cover

We are not using OracleDB, PostgresDB, and VerticaDB, so there is no
need to keep the "dead code" -- we can always add it back as needed.
Added test cases so that all the files are at least minimally covered.
Overall coverage on my local tox shows 66% coverage (I manually ensured
all files are included in the coverage report).

Issue-ID: OPTFRA-95
Change-Id: If1cab112236b4f32a96315308ce815088fa092d1
Signed-off-by: Sastry Isukapalli <sastry@research.att.com>

1 files changed, 57 insertions, 0 deletions

diff --git a/test/mainapp/test_osdfapp.py b/test/mainapp/test_osdfapp.py
new file mode 100644
index 0000000..2ffe4f3
--- /dev/null
+++ b/test/mainapp/test_osdfapp.py
@@ -0,0 +1,57 @@
+import osdfapp
+import unittest
+
+from osdf.operation.exceptions import BusinessException
+from requests import Request, RequestException
+from schematics.exceptions import DataError
+from unittest import mock, TestCase
+from unittest.mock import patch
+
+
+class TestOSDFApp(TestCase):
+
+    def setUp(self):
+        self.patcher_g = patch('osdfapp.g', return_value={'request_id':'DUMMY-REQ'})
+        self.Mock_g = self.patcher_g.start()
+        # self.patcher2 = patch('package.module.Class2')
+        # self.MockClass2 = self.patcher2.start()
+
+    def tearDown(self):
+        patch.stopall()
+
+    def dummy_request_exception(self):
+        e = RequestException("Web Request Exception Description")
+        e.response = mock.MagicMock()
+        e.request = Request(method="GET", url="SOME-URL")
+        e.response.status_code = 400
+        e.response.content = "Some request exception occurred"
+        # request().raise_for_status.side_effect = e
+        return e
+ 
+    def test_handle_business_exception(self):
+        e = BusinessException("Business Exception Description")
+        resp = osdfapp.handle_business_exception(e)
+        assert resp.status_code == 400
+
+    def test_handle_request_exception(self):
+        e = self.dummy_request_exception()
+        resp = osdfapp.handle_request_exception(e)
+        assert resp.status_code == 400
+
+    def test_handle_data_error(self):
+        e = DataError({"A1": "A1 Data Error"})
+        resp = osdfapp.handle_data_error(e)
+        assert resp.status_code == 400
+
+    def test_internal_failure(self):
+        e = Exception("An Internal Error")
+        resp = osdfapp.internal_failure(e)
+        assert resp.status_code == 500
+
+    def test_getOptions_default(self):
+        opts = osdfapp.getOptions(["PROG"])  # ensure nothing breaks
+
+
+if __name__ == "__main__":
+    unittest.main()
+