For Scott: 'Not found' in rendered template

src/opera/pge/disp_s1/disp_s1_pge.py

@@ -171,6 +171,27 @@ def _collect_disp_s1_product_metadata(self):
         # Extract all metadata assigned by the SAS at product creation time
         output_product_metadata = get_disp_s1_product_metadata(representative_product)
 
+        # Add temporary fields
+        output_product_metadata['identification']['reference_datetime'] = '2021-09-05T14:31:56.9300799Z'
+        output_product_metadata['identification']['secondary_datetime'] = '2021-09-05T14:31:56.9300799Z'
+
+        output_product_metadata['geospatial_lon_min'] = 10.0
+        output_product_metadata['geospatial_lon_max'] = 20.0
+        output_product_metadata['geospatial_lat_min'] = 10.0
+        output_product_metadata['geospatial_lat_max'] = 30.0
+
+        output_product_metadata['polarization'] = 'test_string'
+
+        # Add some fields on the dimensions of the data.
+        output_product_metadata['xCoordinates'] = {
+            'size': 3660,  # pixels
+            'spacing': 30  # meters/pixel
+        }
+        output_product_metadata['yCoordinates'] = {
+            'size': 3660,  # pixels
+            'spacing': 30  # meters/pixel
+        }
+
         return output_product_metadata
 
     def _create_custom_metadata(self):

src/opera/test/pge/disp_s1/test_disp_s1_pge.py

@@ -152,6 +152,17 @@ def test_disp_s1_pge_execution(self):
         expected_sas_config_file = join(pge.runconfig.scratch_path, 'test_disp_s1_config_sas.yaml')
         self.assertTrue(os.path.exists(expected_sas_config_file))
 
+        # Check that the ISO metadata file was created and all placeholders were
+        # filled in
+        expected_iso_metadata_file = join(
+            pge.runconfig.output_product_path, pge._iso_metadata_filename())
+        self.assertTrue(os.path.exists(expected_iso_metadata_file))
+
+        with open(expected_iso_metadata_file, 'r', encoding='utf-8') as infile:
+            iso_contents = infile.read()
+
+        self.assertNotIn('!Not found!', iso_contents)
+
         # Check that the log file was created and moved into the output directory
         expected_log_file = pge.logger.get_file_name()
         self.assertTrue(os.path.exists(expected_log_file))