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e6.py
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e6.py
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from simple import mul, div, greet, write_value, read_value
import pytest
def test_mul():
for a in range(1,10):
for b in range(1,10):
assert mul(a,b) == a * b
def test_mul_zero():
for a in range(1,10):
assert mul(a,0) == 0
assert mul(0,a) == 0
def test_mul_negative():
for a in range(-10,-1):
for b in range(1,10):
assert mul(a,b) == a * b
assert mul(a, -b) == - a * b
def test_mul_fraction():
for a in range(1,10):
assert mul(a, 3.1415) == a * 3.1415
assert mul(3.1415, a) == 3.1415 * a
def test_div():
for a in range(1,10):
for b in range(1,10):
assert div(a,b) == a / b
def test_div_negative():
for a in range(-10,-1):
for b in range(1,10):
assert div(a,b) == a / b
assert div(a, -b) == - a / b
def test_div_fraction():
for a in range(1,10):
assert div(a, 3.1415) == a / 3.1415
assert div(3.1415, a) == 3.1415 / a
def test_div_error():
with pytest.raises(ZeroDivisionError):
div(3.1415,0)
def test_greet(capsys):
for name in ['Sara','Yuda','Zoidexer']:
greet(name)
stdout, stderr = capsys.readouterr()
assert stdout == 'Hello, '+name+'!\n'
assert stderr == ''
def test_greet_stranger(capsys):
greet()
stdout, stderr = capsys.readouterr()
assert stdout == 'Hello, stranger!\n'
assert stderr == ''
def test_read_value_int(tmp_path):
for i in range(10):
f = tmp_path / 'file.txt'
write_value(f,i)
assert read_value(f) == i
def test_read_value_str(tmp_path):
for i in ['foo','bar']:
f = tmp_path / 'file.txt'
write_value(f,i)
assert read_value(f) == i
def test_read_value_list(tmp_path):
for i in [[1,2,3],[]]:
f = tmp_path / 'file.txt'
write_value(f,i)
assert read_value(f) == i