Fix test_estimate_pi, duplicate into files for later lessons

Author: LiamPattinson

episodes/06-floating-point-data.Rmd

@@ -151,8 +151,8 @@ if either of the conditions are satisfied.
 :::::::::::::::::::::::: solution 
 
 ```python
-import random
 import math
+import random
 
 from estimate_pi import estimate_pi
 
@@ -162,7 +162,7 @@ def test_estimate_pi():
     actual = estimate_pi(iterations=10000)
     atol = 1e-2
     rtol = 5e-3
-    assert math.isclose(actual, expected, abs_tol=atol rel_tol=rtol)
+    assert math.isclose(actual, expected, abs_tol=atol, rel_tol=rtol)
 ```
 
 :::::::::::::::::::::::::::::::::

learners/files/06-floating-point-data/test_estimate_pi.py

@@ -1,15 +1,12 @@
+import math
 import random
-from math import fabs
 
 from estimate_pi import estimate_pi
 
 def test_estimate_pi():
     random.seed(0)
     expected = 3.141592654
     actual = estimate_pi(iterations=10000)
-    # Test absolute tolerance
     atol = 1e-2
-    assert fabs(actual - expected) < atol
-    # Test relative tolerance
     rtol = 5e-3
-    assert fabs((actual - expected) / expected) < rtol
+    assert math.isclose(actual, expected, abs_tol=atol, rel_tol=rtol)

learners/files/07-fixtures/estimate_pi.py

@@ -0,0 +1,10 @@
+import random
+
+def estimate_pi(iterations):
+    num_inside = 0
+    for _ in range(iterations):
+        x = random.random()
+        y = random.random()
+        if x**2 + y**2 < 1:
+            num_inside += 1
+    return 4 * num_inside / iterations

learners/files/07-fixtures/test_estimate_pi.py

@@ -0,0 +1,12 @@
+import math
+import random
+
+from estimate_pi import estimate_pi
+
+def test_estimate_pi():
+    random.seed(0)
+    expected = 3.141592654
+    actual = estimate_pi(iterations=10000)
+    atol = 1e-2
+    rtol = 5e-3
+    assert math.isclose(actual, expected, abs_tol=atol, rel_tol=rtol)

learners/files/08-parametrization/estimate_pi.py

@@ -0,0 +1,10 @@
+import random
+
+def estimate_pi(iterations):
+    num_inside = 0
+    for _ in range(iterations):
+        x = random.random()
+        y = random.random()
+        if x**2 + y**2 < 1:
+            num_inside += 1
+    return 4 * num_inside / iterations

learners/files/08-parametrization/test_estimate_pi.py

@@ -0,0 +1,12 @@
+import math
+import random
+
+from estimate_pi import estimate_pi
+
+def test_estimate_pi():
+    random.seed(0)
+    expected = 3.141592654
+    actual = estimate_pi(iterations=10000)
+    atol = 1e-2
+    rtol = 5e-3
+    assert math.isclose(actual, expected, abs_tol=atol, rel_tol=rtol)

learners/files/09-testing-output-files/estimate_pi.py

@@ -0,0 +1,10 @@
+import random
+
+def estimate_pi(iterations):
+    num_inside = 0
+    for _ in range(iterations):
+        x = random.random()
+        y = random.random()
+        if x**2 + y**2 < 1:
+            num_inside += 1
+    return 4 * num_inside / iterations

learners/files/09-testing-output-files/test_estimate_pi.py

@@ -0,0 +1,12 @@
+import math
+import random
+
+from estimate_pi import estimate_pi
+
+def test_estimate_pi():
+    random.seed(0)
+    expected = 3.141592654
+    actual = estimate_pi(iterations=10000)
+    atol = 1e-2
+    rtol = 5e-3
+    assert math.isclose(actual, expected, abs_tol=atol, rel_tol=rtol)