Issue #12057: Add tests for ISO 2022 codecs

iso2022_jp, iso2022_jp_2 and iso2022_kr

1 files changed, 46 insertions, 0 deletions

diff --git a/Lib/test/test_codecencodings_iso2022.py b/Lib/test/test_codecencodings_iso2022.py
new file mode 100644
index 0000000..8c6e8a5
--- /dev/null
+++ b/Lib/test/test_codecencodings_iso2022.py
@@ -0,0 +1,46 @@
+#!/usr/bin/env python
+#
+# Codec encoding tests for ISO 2022 encodings.
+
+from test import support
+from test import test_multibytecodec_support
+import unittest
+
+COMMON_CODEC_TESTS = (
+        # invalid bytes
+        (b'ab\xFFcd', 'replace', 'ab\uFFFDcd'),
+        (b'ab\x1Bdef', 'replace', 'ab\x1Bdef'),
+        (b'ab\x1B$def', 'replace', 'ab\uFFFD'),
+    )
+
+class Test_ISO2022_JP(test_multibytecodec_support.TestBase, unittest.TestCase):
+    encoding = 'iso2022_jp'
+    tstring = test_multibytecodec_support.load_teststring('iso2022_jp')
+    codectests = COMMON_CODEC_TESTS + (
+        (b'ab\x1BNdef', 'replace', 'ab\x1BNdef'),
+    )
+
+class Test_ISO2022_JP2(test_multibytecodec_support.TestBase, unittest.TestCase):
+    encoding = 'iso2022_jp_2'
+    tstring = test_multibytecodec_support.load_teststring('iso2022_jp')
+    codectests = COMMON_CODEC_TESTS + (
+        (b'ab\x1BNdef', 'replace', 'abdef'),
+    )
+
+class Test_ISO2022_KR(test_multibytecodec_support.TestBase, unittest.TestCase):
+    encoding = 'iso2022_kr'
+    tstring = test_multibytecodec_support.load_teststring('iso2022_kr')
+    codectests = COMMON_CODEC_TESTS + (
+        (b'ab\x1BNdef', 'replace', 'ab\x1BNdef'),
+    )
+
+    # iso2022_kr.txt cannot be used to test "chunk coding": the escape
+    # sequence is only written on the first line
+    def test_chunkcoding(self):
+        pass
+
+def test_main():
+    support.run_unittest(__name__)
+
+if __name__ == "__main__":
+    test_main()