From bd1da9aa0a40b02b7d5409a0b094d8380e255c91 Mon Sep 17 00:00:00 2001
From: Mario Torres Jr <105736410+Mattix23@users.noreply.github.com>
Date: Tue, 31 Jan 2023 12:06:02 -0600
Subject: [PATCH] feat: add preserveAsciiControlCharacter to LoadJobConfig
 (#1484)

---
 google/cloud/bigquery/job/load.py  | 13 +++++++++++++
 tests/unit/job/test_load_config.py | 14 ++++++++++++++
 2 files changed, 27 insertions(+)

diff --git a/google/cloud/bigquery/job/load.py b/google/cloud/bigquery/job/load.py
index 5c7f26841..14a7fa30b 100644
--- a/google/cloud/bigquery/job/load.py
+++ b/google/cloud/bigquery/job/load.py
@@ -311,6 +311,19 @@ def null_marker(self):
     def null_marker(self, value):
         self._set_sub_prop("nullMarker", value)
 
+    @property
+    def preserve_ascii_control_characters(self):
+        """Optional[bool]: Preserves the embedded ASCII control characters when sourceFormat is set to CSV.
+
+        See:
+        https://cloud.google.com/bigquery/docs/reference/rest/v2/Job#JobConfigurationLoad.FIELDS.preserve_ascii_control_characters
+        """
+        return self._get_sub_prop("preserveAsciiControlCharacters")
+
+    @preserve_ascii_control_characters.setter
+    def preserve_ascii_control_characters(self, value):
+        self._set_sub_prop("preserveAsciiControlCharacters", bool(value))
+
     @property
     def projection_fields(self) -> Optional[List[str]]:
         """Optional[List[str]]: If
diff --git a/tests/unit/job/test_load_config.py b/tests/unit/job/test_load_config.py
index 5a0c5a83f..7f77fc085 100644
--- a/tests/unit/job/test_load_config.py
+++ b/tests/unit/job/test_load_config.py
@@ -424,6 +424,20 @@ def test_null_marker_setter(self):
         config.null_marker = null_marker
         self.assertEqual(config._properties["load"]["nullMarker"], null_marker)
 
+    def test_preserve_ascii_control_characters_missing(self):
+        config = self._get_target_class()()
+        self.assertIsNone(config.preserve_ascii_control_characters)
+
+    def test_preserve_ascii_control_characters_hit(self):
+        config = self._get_target_class()()
+        config._properties["load"]["preserveAsciiControlCharacters"] = True
+        self.assertTrue(config.preserve_ascii_control_characters)
+
+    def test_preserve_ascii_control_characters_setter(self):
+        config = self._get_target_class()()
+        config.preserve_ascii_control_characters = True
+        self.assertTrue(config._properties["load"]["preserveAsciiControlCharacters"])
+
     def test_projection_fields_miss(self):
         config = self._get_target_class()()
         self.assertIsNone(config.projection_fields)