Moving tests from test/ to python/ray/tests/ (#3950)

python/ray/tests/test_cython.py

@@ -0,0 +1,57 @@
+from __future__ import absolute_import
+from __future__ import print_function
+
+import math
+import numpy as np
+import unittest
+
+import ray
+import cython_examples as cyth
+
+
+def get_ray_result(cython_func, *args):
+    func = ray.remote(cython_func)
+    return ray.get(func.remote(*args))
+
+
+class CythonTest(unittest.TestCase):
+    def setUp(self):
+        ray.init()
+
+    def tearDown(self):
+        ray.shutdown()
+
+    def assertEqualHelper(self, cython_func, expected, *args):
+        assert get_ray_result(cython_func, *args) == expected
+
+    def test_simple_func(self):
+        self.assertEqualHelper(cyth.simple_func, 6, 1, 2, 3)
+        self.assertEqualHelper(cyth.fib, 55, 10)
+        self.assertEqualHelper(cyth.fib_int, 55, 10)
+        self.assertEqualHelper(cyth.fib_cpdef, 55, 10)
+        self.assertEqualHelper(cyth.fib_cdef, 55, 10)
+
+    def test_simple_class(self):
+        cls = ray.remote(cyth.simple_class)
+        a1 = cls.remote()
+        a2 = cls.remote()
+
+        result1 = ray.get(a1.increment.remote())
+        result2 = ray.get(a2.increment.remote())
+        result3 = ray.get(a2.increment.remote())
+
+        assert result1 == 1
+        assert result2 == 1
+        assert result3 == 2
+
+    def test_numpy(self):
+        array = np.array([-1.0, 0.0, 1.0, 2.0])
+
+        answer = [float("-inf") if x <= 0 else math.log(x) for x in array]
+        result = get_ray_result(cyth.masked_log, array)
+
+        np.testing.assert_array_equal(answer, result)
+
+
+if __name__ == "__main__":
+    unittest.main(verbosity=2)