Fix SphinxRSTFileInput should expand tabs

1 files changed, 11 insertions, 0 deletions

diff --git a/tests/test_io.py b/tests/test_io.py
index a017a2cc0..ecd4a1009 100644
--- a/tests/test_io.py
+++ b/tests/test_io.py
@@ -105,3 +105,14 @@ def test_SphinxRSTFileInput(app):
     assert result.info(3) == ('<rst_epilog>', 0)
     assert result.info(4) == ('<rst_epilog>', 1)
     assert result.info(5) == ('<rst_epilog>', None)  # out of range
+
+    # expandtabs / convert whitespaces
+    app.env.config.rst_prolog = None
+    app.env.config.rst_epilog = None
+    text = ('\thello Sphinx world\n'
+            '\v\fSphinx is a document generator')
+    source = SphinxRSTFileInput(app, app.env, source=StringIO(text),
+                                source_path='dummy.rst', encoding='utf-8')
+    result = source.read()
+    assert result.data == ['        hello Sphinx world',
+                           '  Sphinx is a document generator']