darts: update tests to canonical data 2.2.0 (#1847)

* darts-update-to-220

Author: Grociu

exercises/darts/darts_test.py

@@ -2,38 +2,47 @@
 from darts import score
 
 
-# Tests adapted from `problem-specifications//canonical-data.json` @ v2.0.0
+# Tests adapted from `problem-specifications//canonical-data.json` @ v2.2.0
 
 class darts_test(unittest.TestCase):
-    def test_dart_lands_outside_target(self):
+    def test_missed_target(self):
         self.assertEqual(score(-9, 9), 0)
 
-    def test_dart_lands_just_in_border_of_target(self):
+    def test_on_the_outer_circle(self):
         self.assertEqual(score(0, 10), 1)
 
-    def test_dart_lands_outer_circle(self):
-        self.assertEqual(score(4, 4), 1)
+    def test_on_the_middle_circle(self):
+        self.assertEqual(score(-5, 0), 5)
 
-    def test_dart_lands_border_between_outside_middle(self):
-        self.assertEqual(score(5, 0), 5)
+    def test_on_the_inner_circle(self):
+        self.assertEqual(score(0, -1), 10)
+
+    def test_exactly_on_centre(self):
+        self.assertEqual(score(0, 0), 10)
+
+    def test_near_the_centre(self):
+        self.assertEqual(score(-0.1, -0.1), 10)
 
-    def test_dart_lands_in_middle_circle(self):
+    def test_just_within_the_inner_circle(self):
+        self.assertEqual(score(0.7, 0.7), 10)
+
+    def test_just_outside_the_inner_circle(self):
         self.assertEqual(score(0.8, -0.8), 5)
 
-    def test_dart_lands_border_betweeen_middle_inner(self):
-        self.assertEqual(score(0, -1), 10)
+    def test_just_within_the_middle_circle(self):
+        self.assertAlmostEqual(score(-3.5, 3.5), 5)
 
-    def test_dart_lands_inner_circle(self):
-        self.assertEqual(score(-0.1, -0.1), 10)
+    def test_just_outside_the_middle_circle(self):
+        self.assertAlmostEqual(score(-3.6, -3.6), 1)
 
-    def test_dart_coord_sum_more_than_1_radius_less_than_1_is_in_inner(self):
-        self.assertEqual(score(0.4, 0.8), 10)
+    def test_just_within_the_outer_circle(self):
+        self.assertAlmostEqual(score(-7.0, 7.0), 1)
 
-    def test_dart_coord_sum_more_than_5_radius_less_than_5_is_in_middle(self):
-        self.assertEqual(score(2, 4), 5)
+    def test_just_outside_the_outer_circle(self):
+        self.assertAlmostEqual(score(7.1, -7.1), 0)
 
-    def test_dart_coord_sum_more_than_10_radius_less_than_10_is_in_outer(self):
-        self.assertEqual(score(4, 8), 1)
+    def test_asymmetric_position_between_the_inner_and_middle_circles(self):
+        self.assertAlmostEqual(score(0.5, -4), 5)
 
 
 if __name__ == '__main__':