test(GHAnalysis.py): add unit test

test.py

@@ -0,0 +1,38 @@
+import unittest
+import os
+from GHAnalysis import Data
+
+
+class TestGHA(unittest.TestCase):
+
+    def setUp(self):
+        self.data = Data()
+        self.assertIsInstance(self.data, Data)
+
+    def tearDown(self):
+        pass
+
+    def test_init(self):
+        self.data.init('./data')
+        # 此时数据为 4份2020-01-01-15.json + 1份2015-01-01-15.json
+        file_exist = all((os.path.exists(f'{i}.pkl') for i in range(3)))
+        self.assertTrue(file_exist)
+
+    def test_user_event(self):
+        self.data.load()
+        num = self.data.user_events.get('waleko', {}).get('PushEvent', 0)
+        self.assertEqual(num, 8)
+
+    def test_repo_event(self):
+        self.data.load()
+        num = self.data.repo_events.get('katzer/cordova-plugin-background-mode', {}).get('PushEvent', 0)
+        self.assertEqual(num, 0)
+
+    def test_user_repo_event(self):
+        self.data.load()
+        num = self.data.user_repo_events.get('cdupuis', {}).get('atomist/automation-client', {}).get('PushEvent', 0)
+        self.assertEqual(num, 4)
+
+
+if __name__ == '__main__':
+    unittest.main()