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-rw-r--r--tests/unittests/test_handler/test_handler_write_files.py12
1 files changed, 12 insertions, 0 deletions
diff --git a/tests/unittests/test_handler/test_handler_write_files.py b/tests/unittests/test_handler/test_handler_write_files.py
index 7fa8fd21..bc8756ca 100644
--- a/tests/unittests/test_handler/test_handler_write_files.py
+++ b/tests/unittests/test_handler/test_handler_write_files.py
@@ -52,6 +52,18 @@ class TestWriteFiles(FilesystemMockingTestCase):
"test_simple", [{"content": expected, "path": filename}])
self.assertEqual(util.load_file(filename), expected)
+ def test_append(self):
+ self.patchUtils(self.tmp)
+ existing = "hello "
+ added = "world\n"
+ expected = existing + added
+ filename = "/tmp/append.file"
+ util.write_file(filename, existing)
+ write_files(
+ "test_append",
+ [{"content": added, "path": filename, "append": "true"}])
+ self.assertEqual(util.load_file(filename), expected)
+
def test_yaml_binary(self):
self.patchUtils(self.tmp)
data = util.load_yaml(YAML_TEXT)