TDL-14397-Add skipped log when first row is empty

tap_google_sheets/schema.py

@@ -65,6 +65,11 @@ def get_sheet_schema_columns(sheet):
     prior_header = None
     i = 0
     skipped = 0
+
+    # if no headers are present, log the message that sheet is skipped
+    if not headers:
+        LOGGER.warn('SKIPPING THE SHEET AS HEADERS ROW IS EMPTY. SHEET: {}'.format(sheet_title))
+
     # Read column headers until end or 2 consecutive skipped headers
     for header in headers:
         # LOGGER.info('header = {}'.format(json.dumps(header, indent=2, sort_keys=True)))

tests/unittests/test_logger.py

@@ -0,0 +1,78 @@
+import unittest
+from unittest.case import TestCase
+from unittest import mock
+import tap_google_sheets
+from tap_google_sheets import schema
+
+
+class TestLogger(unittest.TestCase):
+    @mock.patch('tap_google_sheets.schema.LOGGER.warn')
+    def test_logger_message(self, mocked_logger):
+        """
+        Test if the logger statement is printed when the header row is empty and the sheet is being skipped.
+        """
+        sheet_data = {
+            "properties":{
+                "sheetId":2074712559,
+                "title":"Sheet5",
+                "index":1,
+                "sheetType":"GRID",
+                "gridProperties":{
+                    "rowCount":1000,
+                    "columnCount":26
+                }
+            },
+            "data":[
+                {
+                    "rowData":[
+                        {},
+                        {
+                        "values":[
+                            {
+                                "userEnteredValue":{
+                                    "numberValue":1
+                                },
+                                "effectiveValue":{
+                                    "numberValue":1
+                                },
+                                "formattedValue":"1",
+                            },
+                            {
+                                "userEnteredValue":{
+                                    "numberValue":2
+                                },
+                                "effectiveValue":{
+                                    "numberValue":2
+                                },
+                                "formattedValue":"2"
+                            },
+                            {
+                                "userEnteredValue":{
+                                    "numberValue":3
+                                },
+                                "effectiveValue":{
+                                    "numberValue":3
+                                },
+                                "formattedValue":"3",
+                            }
+                        ]
+                        }
+                    ],
+                    "rowMetadata":[
+                        {
+                        "pixelSize":21
+                        }
+                    ],
+                    "columnMetadata":[
+                        {
+                        "pixelSize":100
+                        }
+                    ]
+                }
+            ]
+        }
+        # retrieve the sheet title from the `sheet_data`
+        sheet_title = sheet_data.get('properties', {}).get('title')
+        sheet_schema, columns = schema.get_sheet_schema_columns(sheet_data)
+        # check if the logger is called with correct logger message
+        mocked_logger.assert_called_with('SKIPPING THE SHEET AS HEADERS ROW IS EMPTY. SHEET: {}'.format(sheet_title))