Feature/added new test cases (#224)

* Added a new function to calculate nth fibonacci number using golden ratio, Closes:#221

Signed-off-by: Mukul Bindal <[email protected]>

* Added missing test cases for mathtools

Signed-off-by: Mukul Bindal <[email protected]>

* Removed extra line

* Removed extra line

* Removed extra line

* Added Test cases for mathtools

---------

Signed-off-by: Mukul Bindal <[email protected]>
Co-authored-by: Mukul Bindal <[email protected]>

cereja/mathtools/_op.py

@@ -151,4 +151,4 @@ def nth_fibonacci_number(val:int) -> int:
         raise ValueError("val should be greater than 0")
     val -= 1 # First Fibonacci number is 0
     phi = (1 + 5**0.5) / 2
-    return round(phi**val / 5**0.5)
+    return round(phi**val / 5**0.5)

tests/mathtools/testmathtools.py

@@ -0,0 +1,92 @@
+"""
+
+Copyright (c) 2019 The Cereja Project
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+"""
+
+import unittest
+import math
+
+from cereja.mathtools import (degrees_to_radian, 
+                              distance_between_points, 
+                              theta_angle, 
+                              nth_fibonacci_number, 
+                              imc, 
+                              greatest_common_multiple, 
+                              least_common_multiple, 
+                              proportional, 
+                              estimate, 
+                              percent, 
+                              theta_from_array)
+
+
+class MathToolsTests(unittest.TestCase):
+    def test_imc(self):
+        _imc, _ver = imc(2, 3)
+        self.assertAlmostEqual(_imc, 0.22222222)
+        self.assertEqual(_ver, 'Underweight')
+
+    def test_least_common_multiple(self):
+        self.assertEqual(least_common_multiple([10, 15]), 30)
+
+    def test_greatest_common_multiple(self):
+        self.assertEqual(greatest_common_multiple([10, 15]), 5)
+
+    def test_estimate(self):
+        self.assertEqual(estimate(3, 6, 2), 2)
+
+    def test_percent(self):
+        self.assertEqual(percent(20, 10, 1), 200)
+
+    def test_theta_from_array(self):
+        _res = theta_from_array([10, 40], [30, 70])
+        self.assertAlmostEqual(_res[0], 9.16234704572)
+
+    def test_proportional(self):
+        self.assertAlmostEqual(proportional(20, 30, 35), 23.333333333333)
+
+    def test_degrees_to_radian(self):
+        self.assertEqual(degrees_to_radian(30), math.pi / 6)
+        self.assertEqual(degrees_to_radian(60), math.pi / 3)
+
+    def test_distance_between_points(self):
+        self.assertEqual(distance_between_points((1, 1), (1, 1)), 0)
+        self.assertEqual(distance_between_points((2, 6), (5, 10)), 5)
+        self.assertEqual(distance_between_points((1, 1), (6, 13)), 13)
+
+    def test_theta_angle(self):
+        u = (2, 2)
+        v = (0, -2)
+        self.assertEqual(theta_angle(u, v), 135.0)
+
+    def test_nth_fibonacci_number(self):
+        with self.assertRaises(ValueError):
+            nth_fibonacci_number(-1)
+        self.assertEqual(nth_fibonacci_number(1), 0)
+        self.assertEqual(nth_fibonacci_number(2), 1)
+        self.assertEqual(nth_fibonacci_number(3), 1)
+        self.assertEqual(nth_fibonacci_number(4), 2)
+        self.assertEqual(nth_fibonacci_number(5), 3)
+        self.assertEqual(nth_fibonacci_number(10), 34)
+        self.assertEqual(nth_fibonacci_number(12), 89)
+        self.assertEqual(nth_fibonacci_number(20), 4181)
+
+if __name__ == "__main__":
+    unittest.main()

tests/tests.py

@@ -37,7 +37,6 @@
 )
 from cereja.utils import is_iterable, is_sequence, chunk
 from cereja.array import prod
-from cereja.mathtools import theta_angle, nth_fibonacci_number
 from cereja.config.cj_types import Number
 from cereja.mltools import Corpus
 from cereja.mltools.pln import LanguageData
@@ -64,11 +63,6 @@ def test_is_iterable(self):
         self.assertTrue(is_iterable("hi"))
         self.assertTrue(is_iterable([]))
 
-    def test_theta_angle(self):
-        u = (2, 2)
-        v = (0, -2)
-        self.assertEqual(theta_angle(u, v), 135.0)
-
     def test_remove_duplicate_items(self):
         test_values_sample_list = [
             ([1, 2, 1, 2, 1], [1, 2]),
@@ -158,18 +152,6 @@ def test_matrix(self):
         expected = Matrix([[1.0, 1.0, 1.0], [1.0, 1.0, 1.0]])
         self.assertTrue((a / b) == expected)
 
-    def test_nth_fibonacci_number(self):
-        with self.assertRaises(ValueError):
-            nth_fibonacci_number(-1)
-        self.assertEqual(nth_fibonacci_number(1), 0)
-        self.assertEqual(nth_fibonacci_number(2), 1)
-        self.assertEqual(nth_fibonacci_number(3), 1)
-        self.assertEqual(nth_fibonacci_number(4), 2)
-        self.assertEqual(nth_fibonacci_number(5), 3)
-        self.assertEqual(nth_fibonacci_number(10), 34)
-        self.assertEqual(nth_fibonacci_number(12), 89)
-        self.assertEqual(nth_fibonacci_number(20), 4181)
-
 
 class PathTest(unittest.TestCase):
     def test_sanity(self):