def test_monkeypatch(monkeypatch):
	c = Calculator()
	def fake_add(a, b):
		return 42

	monkeypatch.setattr(c, "add", fake_add)
	assert c.add(2, 3) == 42
def test_add_weird():
	c = Calculator()

	# Raise error when any one is string
	with pytest.raises(CalculatorError) as context: 
		result = c.add('10', 20)

	assert str(context.value) == '10 is not a number'
Example #3
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 def test_div(self, a, b, c):
     cal = Calculator()
     assert c == cal.div(a, b)
Example #4
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 def test_mul(self, a, b, c):
     cal = Calculator()
     assert c == cal.mul(a, b)
Example #5
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 def test_sub(self, a, b, c):
     cal = Calculator()
     assert c == cal.sub(a, b)
Example #6
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 def test_add(self, a, b, c):
     cal = Calculator()
     assert c == cal.add(a, b)
Example #7
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def check_div(a, b, c):
    cal = Calculator()
    assert c == cal.div(a, b)
Example #8
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def check_sub(a, b, c):
    cal = Calculator()
    assert c == cal.sub(a, b)
	def test_div_weird(self):
		c = Calculator()

		with pytest.raises(CalculatorError):
			result = c.div(3, 0)
def test_mul():
	c = Calculator()
	result = c.mul(3, 4)
	assert result == 12
def test_sub():
	c = Calculator()
	result = c.sub(3, 4)
	assert result == -1
def test_add_parameterize(a, b, expected):
	c = Calculator()
	assert c.add(a, b) == expected
def test_add_range():
	c = Calculator()
	for i in range(10):
		assert c.add(i, 2) == i+2
def test_add():
	c = Calculator()
	result = c.add(3, 4)
	assert result == 7
Example #15
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def conf():
    print("开始计算")
    cal = Calculator()
    yield cal
    print("计算结束")
Example #16
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 def setUp(self):
     self.calc = Calculator(8, 4)
Example #17
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 def setup(self):
     self.cal = Calculator()
def test_div():
	c = Calculator()
	result = c.div(3, 10)
	assert result == 3/10