| from Cython.TestUtils import CythonTest |
| |
| class TestCodeWriter(CythonTest): |
| # CythonTest uses the CodeWriter heavily, so do some checking by |
| # roundtripping Cython code through the test framework. |
| |
| # Note that this test is dependant upon the normal Cython parser |
| # to generate the input trees to the CodeWriter. This save *a lot* |
| # of time; better to spend that time writing other tests than perfecting |
| # this one... |
| |
| # Whitespace is very significant in this process: |
| # - always newline on new block (!) |
| # - indent 4 spaces |
| # - 1 space around every operator |
| |
| def t(self, codestr): |
| self.assertCode(codestr, self.fragment(codestr).root) |
| |
| def test_print(self): |
| self.t(u""" |
| print x, y |
| print x + y ** 2 |
| print x, y, z, |
| """) |
| |
| def test_if(self): |
| self.t(u"if x:\n pass") |
| |
| def test_ifelifelse(self): |
| self.t(u""" |
| if x: |
| pass |
| elif y: |
| pass |
| elif z + 34 ** 34 - 2: |
| pass |
| else: |
| pass |
| """) |
| |
| def test_def(self): |
| self.t(u""" |
| def f(x, y, z): |
| pass |
| def f(x = 34, y = 54, z): |
| pass |
| """) |
| |
| def test_longness_and_signedness(self): |
| self.t(u"def f(unsigned long long long long long int y):\n pass") |
| |
| def test_signed_short(self): |
| self.t(u"def f(signed short int y):\n pass") |
| |
| def test_typed_args(self): |
| self.t(u"def f(int x, unsigned long int y):\n pass") |
| |
| def test_cdef_var(self): |
| self.t(u""" |
| cdef int hello |
| cdef int hello = 4, x = 3, y, z |
| """) |
| |
| def test_for_loop(self): |
| self.t(u""" |
| for x, y, z in f(g(h(34) * 2) + 23): |
| print x, y, z |
| else: |
| print 43 |
| """) |
| |
| def test_inplace_assignment(self): |
| self.t(u"x += 43") |
| |
| def test_attribute(self): |
| self.t(u"a.x") |
| |
| if __name__ == "__main__": |
| import unittest |
| unittest.main() |
| |