From 6ce99e54f68d4ca5df58a442d61e98d9617ec990 Mon Sep 17 00:00:00 2001
From: Daniel Tiesling <tiesling@gmail.com>
Date: Tue, 13 Feb 2024 12:42:11 -0800
Subject: [PATCH] fix: Resolves bug in s3 source that did not support tab as a
 delimiter.

---
 .../airbyte_cdk/sources/file_based/config/csv_format.py       | 2 ++
 .../connectors/source-s3/unit_tests/v4/test_format.py         | 4 ++++
 2 files changed, 6 insertions(+)
 create mode 100644 airbyte-integrations/connectors/source-s3/unit_tests/v4/test_format.py

diff --git a/airbyte-cdk/python/airbyte_cdk/sources/file_based/config/csv_format.py b/airbyte-cdk/python/airbyte_cdk/sources/file_based/config/csv_format.py
index fab52aeefd28..67caa653ad71 100644
--- a/airbyte-cdk/python/airbyte_cdk/sources/file_based/config/csv_format.py
+++ b/airbyte-cdk/python/airbyte_cdk/sources/file_based/config/csv_format.py
@@ -150,6 +150,8 @@ class Config(OneOfOptionConfig):
 
     @validator("delimiter")
     def validate_delimiter(cls, v: str) -> str:
+        if v == r'\t':
+            return v
         if len(v) != 1:
             raise ValueError("delimiter should only be one character")
         if v in {"\r", "\n"}:
diff --git a/airbyte-integrations/connectors/source-s3/unit_tests/v4/test_format.py b/airbyte-integrations/connectors/source-s3/unit_tests/v4/test_format.py
new file mode 100644
index 000000000000..c9635ba7fdf7
--- /dev/null
+++ b/airbyte-integrations/connectors/source-s3/unit_tests/v4/test_format.py
@@ -0,0 +1,4 @@
+from airbyte_cdk.sources.file_based.config.csv_format import CsvFormat
+
+def test_csv_format_tab_delimited():
+    assert CsvFormat(delimiter=r"\t").delimiter == '\\t'