def test_area(self):
# test areas when radious is >=0
self.assertAlmostEqual(circle_area(1), pi)
self.assertAlmostEqual(circle_area(2.1), pi * 2.1**2)
self.assertAlmostEqual(circle_area(10), pi * 10**2)
self.assertAlmostEqual(circle_area(3), pi * 3**2)
self.assertAlmostEqual(circle_area(7), pi * 7**2)
def test_area(self): #each test methods must start with the word test
#test areas when rad>=0
self.assertAlmostEqual(
circle_area(1), pi
) #output of the circle area function, correct answer if these two are correct test pass.
self.assertAlmostEqual(circle_area(0), 0)
self.assertAlmostEqual(circle_area(2.1), pi * 2.1**2)
def test_area(self):
#Test areas when radius is >= 0
#Assert almost equal will compare the 2 values and if they are equal in
#seven decimal places, it will assume they are equal
self.assertAlmostEqual(circle_area(1), pi)
self.assertAlmostEqual(circle_area(0), 0)
self.assertAlmostEqual(circle_area(2.1), pi * 2.1**2)
def test_types(self):
# Make sure type errors are raised when necessary
self.assertRaises(TypeError, circle_area, 2 + 5j)
self.assertRaises(TypeError, circle_area, True)
with self.assertRaises(TypeError):
circle_area("five")
def test_area(self):
# Test areas when radius >= 0
self.assertAlmostEqual(
circle_area(1),
pi) # If equal up to seven decimal places then assume equality.
self.assertAlmostEqual(circle_area(0), 0)
self.assertAlmostEqual(circle_area(2.1), pi * 2.1**2)
def test_circle_area(self):
print("test_circle_area")
# Test areas when radius >=0
self.assertAlmostEqual(circle_area(1), pi) # to 7 decimal places
self.assertAlmostEqual(circle_area(0), 0)
self.assertAlmostEqual(circle_area(2.1), pi*2.1**2)
def test_area(self): # Test areas when radius >= 0 self.assertAlmostEqual(circle_area(1), pi) self.assertAlmostEqual(circle_area(0), 0) self.assertAlmostEqual(circle_area(2.1), pi * 2.1**2) def test_values(self): # Ensure value errors are raised self.assertRaises(ValueError, circle_area, -2)
def test_area(self):
#test for radius >= 0
self.assertAlmostEqual(circle_area(1), round(pi, 6))
#pi is alomost equal to the value of area when r = 1
#here we are checking on that to see if the test case passes
self.assertAlmostEqual(circle_area(0), 0)
#check if the function works for when r = 0 it should be = 0
self.assertAlmostEqual(circle_area(3.2), round(pi * 3.2**2, 6))
def test_types(self):
with pytest.raises(TypeError):
circle_area(3 + 5j)
with pytest.raises(TypeError):
circle_area(True)
with pytest.raises(TypeError):
circle_area("radius")
def test_type(self):
print("test_type")
# make sure that a type error is raised when the radius is not a real number or when
# or when necessary
# Raise a TypeError for a Complex Number
with self.assertRaises(TypeError):
circle_area(3+5j)
# Raise a TypeError for a Boolean
with self.assertRaises(TypeError):
circle_area(True) # notice that a TypeError was note raised for this when first run
# this means that we have to adjust our function to raise an error for booleans
# Raise a TypeError for a String
with self.assertRaises(TypeError):
circle_area("radius")
def test_area(self):
"""Test areas when radius > 0."""
self.assertAlmostEqual(circle_area(1), pi)
self.assertAlmostEqual(circle_area(0), 0)
self.assertAlmostEqual(circle_area(2.1), pi * (2.1**2))
def test_area(self): #test areas when R >= 0 self.assertAlmostEqual(circle_area(1), pi) self.assertAlmostEqual(circle_area(0), 0) self.assertAlmostEqual(circle_area(2.1), pi * (2.1 ** 2))
# Area of a circle
from math import pi
def circle_area(r):
return pi*(r**2)
# Test Function
radii = [2,0,-3,2+5j,True,"radius"]
message = "Area of circle with r = {radius} is {area}."
for r in radii:
A = circle_area(r)
print(message.format(radius=r,area=A))
# On running the area is correct for first two test cases but fails and gives absurd value for others
# Do not curse the programmer, but help develop a Unit Test
# Convention 1 create a file with the name test_circles.py
# Convention 2 create a file with the name circles_test.py
# test_circles.py
import unittest
def test_area(self):
self.assertEquals(circles.circle_area(1), pi)
def test_value(self):
# Make sure value errors are raised when necessary
assert pi * ((-1) ** 2) == circles.circle_area(-1)
def test_area(self): #Test areas when radius>=0 #1st arg = our op , 2nd arg = correct value self.assertAlmostEqual(circle_area(1),pi) self.assertAlmostEqual(circle_area(0),0) self.assertAlmostEqual(circle_area(2.1),pi*2.1**2)
def test_area(self):
# Test areas when radius >=0
# assertAlmostEqual tests for 7 decimal places
self.assertAlmostEqual(circle_area(1), pi)
self.assertAlmostEqual(circle_area(0), 0)
self.assertAlmostEqual(circle_area(2.1), pi * 2.1**2)
def test_area(self):
# Test areas when radius >= 0
assert pi * (2 ** 2) == circles.circle_area(2)
assert pi * (2.1 ** 2) == circles.circle_area(2.1)
def test_area1(self):
# test areas when radious is >=0
self.assertAlmostEqual(circle_area(0), 3) # on purpose so it fails
def test_area(self):
# Test areas when radius >= 0
self.assertAlmostEqual(circle_area(1), pi)
self.assertAlmostEqual(circle_area(0), 0)
self.assertAlmostEqual(circle_area(2.1), pi * 2.1**2)
def test_area(self):
# almost equal: must match 7 decimal places
self.assertAlmostEqual(circle_area(1), pi)
self.assertAlmostEqual(circle_area(0), 0)
self.assertAlmostEqual(circle_area(2.1), pi * 2.1**2)
def test_area(self):
#test areas when radius >-
self.assertAlmostEqual(circle_area(1),pi)
self.assertAlmostEqual(circle_area(1),pi)
def test_area(self):
self.assertAlmostEqual(circle_area(1), pi)
self.assertAlmostEqual(circle_area(0),0)
self.assertAlmostEqual(circle_area(2.1), pi * 2.1**2)
def test_value(self):
print("test_value")
# make sure value errors are raised when necessary
with self.assertRaises(ValueError):
circle_area(-2)
def test_values(self):
with pytest.raises(ValueError):
circle_area(-2)
def test_area(self):
#when radius > 0
self.assertAlmostEqual(circle_area(1), pi)
self.assertAlmostEqual(circle_area(2.1), pi * (2.1**2))
self.assertAlmostEqual(circle_area(0), 0)
def test_area(self):
# test areas when radius >= 0
assert circle_area(1) == pi
assert circle_area(0) == 0
assert circle_area(2.1) == pi * 2.1**2
def test_area(self):
"""Test areas. radius >= 0."""
self.assertAlmostEqual(circle_area(1), π)
self.assertAlmostEqual(circle_area(radius=1), π)
self.assertAlmostEqual(circle_area(0), 0)
self.assertAlmostEqual(circle_area(2.1), π * 2.1**2)