Merge pull request #274 from Knowledge-Graph-Hub/add_test_for_gpi_file

Add some sanity checking for GPI file (parsability, gene count)

tests/test_gpi_file.py

@@ -0,0 +1,21 @@
+import os
+import unittest
+
+from kg_covid_19.transform_utils.sars_cov_2_gene_annot.sars_cov_2_gene_annot import \
+    _gpi12iterator
+
+
+class TestGpiFile(unittest.TestCase):
+    def setUp(self) -> None:
+        self.gpi_file = 'curated/ORFs/uniprot_sars-cov-2.gpi'
+        self.expected_sars_cov2_genes = 32
+
+    def test_gpi_file_exists(self):
+        self.assertTrue(os.path.exists(self.gpi_file))
+
+    def test_gpi_parsing(self):
+        count: int = 0
+        with open(self.gpi_file, 'r') as gpi_fh:
+            for rec in _gpi12iterator(gpi_fh):
+                count += 1
+        self.assertEqual(self.expected_sars_cov2_genes, count)