1 files changed, 118 insertions, 0 deletions
diff --git a/tests/test_io.py b/tests/test_io.py
new file mode 100644
index 000000000..1c8fee86b
--- /dev/null
+++ b/tests/test_io.py
@@ -0,0 +1,118 @@
+# -*- coding: utf-8 -*-
+"""
+    test_sphinx_io
+    ~~~~~~~~~~~~~~
+
+    Tests io modules.
+
+    :copyright: Copyright 2007-2018 by the Sphinx team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+import pytest
+from six import StringIO
+
+from sphinx.io import SphinxRSTFileInput
+
+
+@pytest.mark.sphinx(testroot='basic')
+def test_SphinxRSTFileInput(app):
+    app.env.temp_data['docname'] = 'index'
+
+    # normal case
+    text = ('hello Sphinx world\n'
+            'Sphinx 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']
+    assert result.info(0) == ('dummy.rst', 0)
+    assert result.info(1) == ('dummy.rst', 1)
+    assert result.info(2) == ('dummy.rst', None)  # out of range
+
+    # having rst_prolog ends without CR
+    app.env.config.rst_prolog = 'this is rst_prolog\nhello reST!'
+    source = SphinxRSTFileInput(app, app.env, source=StringIO(text),
+                                source_path='dummy.rst', encoding='utf-8')
+    result = source.read()
+    assert result.data == ['this is rst_prolog',
+                           'hello reST!',
+                           '',
+                           'hello Sphinx world',
+                           'Sphinx is a document generator']
+    assert result.info(0) == ('<rst_prolog>', 0)
+    assert result.info(1) == ('<rst_prolog>', 1)
+    assert result.info(2) == ('<generated>', 0)
+    assert result.info(3) == ('dummy.rst', 0)
+    assert result.info(4) == ('dummy.rst', 1)
+
+    # having rst_prolog ends with CR
+    app.env.config.rst_prolog = 'this is rst_prolog\nhello reST!\n'
+    source = SphinxRSTFileInput(app, app.env, source=StringIO(text),
+                                source_path='dummy.rst', encoding='utf-8')
+    result = source.read()
+    assert result.data == ['this is rst_prolog',
+                           'hello reST!',
+                           '',
+                           'hello Sphinx world',
+                           'Sphinx is a document generator']
+
+    # having docinfo and rst_prolog
+    docinfo_text = (':title: test of SphinxFileInput\n'
+                    ':author: Sphinx team\n'
+                    '\n'
+                    'hello Sphinx world\n'
+                    'Sphinx is a document generator\n')
+    app.env.config.rst_prolog = 'this is rst_prolog\nhello reST!'
+    source = SphinxRSTFileInput(app, app.env, source=StringIO(docinfo_text),
+                                source_path='dummy.rst', encoding='utf-8')
+    result = source.read()
+    assert result.data == [':title: test of SphinxFileInput',
+                           ':author: Sphinx team',
+                           '',
+                           'this is rst_prolog',
+                           'hello reST!',
+                           '',
+                           '',
+                           'hello Sphinx world',
+                           'Sphinx is a document generator']
+    assert result.info(0) == ('dummy.rst', 0)
+    assert result.info(1) == ('dummy.rst', 1)
+    assert result.info(2) == ('<generated>', 0)
+    assert result.info(3) == ('<rst_prolog>', 0)
+    assert result.info(4) == ('<rst_prolog>', 1)
+    assert result.info(5) == ('<generated>', 0)
+    assert result.info(6) == ('dummy.rst', 2)
+    assert result.info(7) == ('dummy.rst', 3)
+    assert result.info(8) == ('dummy.rst', 4)
+    assert result.info(9) == ('dummy.rst', None)  # out of range
+
+    # having rst_epilog
+    app.env.config.rst_prolog = None
+    app.env.config.rst_epilog = 'this is rst_epilog\ngood-bye reST!'
+    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',
+                           '',
+                           'this is rst_epilog',
+                           'good-bye reST!']
+    assert result.info(0) == ('dummy.rst', 0)
+    assert result.info(1) == ('dummy.rst', 1)
+    assert result.info(2) == ('<generated>', 0)
+    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']