import test_hgsubversion_util
from hgext.hgsubversion import wrappers


expected_diff_output = """Index: alpha
===================================================================
--- alpha\t(revision 3)
+++ alpha\t(working copy)
@@ -1,1 +1,3 @@
-file: alpha
+alpha
+
+added line
Index: foo
===================================================================
new file mode 100644
--- foo\t(revision 0)
+++ foo\t(working copy)
@@ -0,0 +1,1 @@
+This is missing a newline.
\ No newline at end of file
"""


class DiffTests(test_hgsubversion_util.TestBase):
    def test_diff_output(self):
        self._load_fixture_and_fetch("two_revs.svndump")
        self.commitchanges(
            [
                ("foo", "foo", "This is missing a newline."),
                ("alpha", "alpha", "alpha\n\nadded line\n"),
            ]
        )
        u = test_hgsubversion_util.testui()
        u.pushbuffer()
        wrappers.diff(lambda x, y, z: None, u, self.repo, svn=True)
        self.assertEqual(u.popbuffer(), expected_diff_output)


if __name__ == "__main__":
    import silenttestrunner

    silenttestrunner.main(__name__)