L2SS-871: add header info integration test

tangostationcontrol/tangostationcontrol/integration_test/default/statistics/test_writer_sst.py

@@ -46,6 +46,45 @@ class TestStatisticsWriterSST(BaseIntegrationTestCase):
         self.assertIsNotNone(self.recv_proxy.RCU_Band_Select_R)
         self.assertIsNotNone(self.recv_proxy.RCU_DTH_on_R)
     
+    def test_header_info(self):
+        """ Test whether the header info are inserted and collected in the proper way"""
+        with TemporaryDirectory() as tmpdir:
+            new_sys_argv = [
+                sys.argv[0],
+                "--mode", "SST",
+                "--no-tango",
+                "--file", join(
+                    dirname(dirname(dirname(dirname(__file__)))),
+                    "test/statistics", "SDP_SST_statistics_packets.bin"
+                ),
+                "--output_dir", tmpdir
+            ]
+
+            with mock.patch.object(entry.sys, 'argv', new_sys_argv):
+                with self.assertRaises(SystemExit):
+                    entry.main()
+            
+            # check if file was written
+            self.assertTrue(isfile(f"{tmpdir}/SST_2021-09-20-12-17-40.h5"))
+
+            # test statistics reader
+            new_sys_argv = [
+                sys.argv[0],
+                "--files", f"{tmpdir}/SST_2021-09-20-12-17-40.h5",
+                "--start_time", "2021-09-20#07:40:08.937+00:00",
+                "--end_time", "2021-10-04#07:50:08.937+00:00"
+            ]
+            with mock.patch.object(reader.sys, 'argv', new_sys_argv):
+                stat_parser = reader.setup_stat_parser()
+                SSTstatistics = stat_parser.list_statistics()
+                self.assertIsNotNone(SSTstatistics)
+                stat = stat_parser.get_statistic(
+                    '2021-09-20T12:17:40.000+00:00'
+                )
+                self.assertIsNotNone(stat)
+                self.assertEqual("0.1", stat.station_version_id)
+                self.assertEqual("0.1", stat.writer_version_id)
+    
     def test_insert_tango_SST_statistics(self):
         self.assertEqual(DevState.ON, self.recv_proxy.state())
         collector = StationSSTCollector(device=self.recv_proxy)