def test_returnCorrectString(monkeypatch):
mock_file = MagicMock()
mock_file.readline = MagicMock(return_value="test line")
mock_open = MagicMock(return_value=mock_file)
monkeypatch.setattr("builtins.open", mock_open)
result = readFromFile("blah")
mock_open.assert_called_once_with("blah", "r")
assert result == "test line"
def test_throwsExceptionWithBadFile(monkeypatch):
mock_file = MagicMock()
mock_file.readline = MagicMock(return_value='test line')
mock_open = MagicMock(return_value=mock_file)
monkeypatch.setattr('builtins.open', mock_open)
mock_exists = MagicMock(return_value=False)
monkeypatch.setattr('os.path.exists', mock_exists)
with raises(Exception):
result = readFromFile('blah')
def test_throwExceptionWithBadFile(mock_open, monkeypatch):
#mock_file = MagicMock()
#mock_file.readline = MagicMock(return_value="test line")
#mock_open = MagicMock(return_value=mock_file)
#monkeypatch.setattr("builtins.open", mock_open)
# Refactor
mock_exists = MagicMock(return_value=False)
monkeypatch.setattr("os.path.exists", mock_exists)
with raises(Exception):
result = readFromFile("blah")
def test_returnCorrectString(monkeypatch):
mock_file = MagicMock()
mock_file.readline = MagicMock(return_value='test line')
mock_open = MagicMock(return_value=mock_file)
monkeypatch.setattr('builtins.open', mock_open)
mock_exists = MagicMock(return_value=True)
monkeypatch.setattr('os.path.exists', mock_exists)
result = readFromFile('blah')
mock_open.assert_called_once_with('blah', 'r')
assert result == 'test line'
def test_returnsCorrectString(mock_open, monkeypatch):
#Refactor
#mock_file = MagicMock()
#mock_file.readline = MagicMock(return_value="test line")
#mock_open = MagicMock(return_value=mock_file)
#monkeypatch.setattr("builtins.open", mock_open)
mock_exists = MagicMock(return_value=True)
monkeypatch.setattr("os.path.exists", mock_exists)
result = readFromFile("blah")
mock_open.assert_called_once_with("blah", "r")
assert result == "test line"
def test_throwsExceptionWithBadFile(mock_open, monkeypatch):
mock_exists = MagicMock(return_value=False)
monkeypatch.setattr("os.path.exists", mock_exists)
with raises(Exception):
result = readFromFile("blah")
def test_returnsCorrectString(mock_open, monkeypatch):
mock_exists = MagicMock(return_value=True)
monkeypatch.setattr("os.path.exists", mock_exists)
result = readFromFile("blah")
mock_open.assert_called_once_with("blah", "r")
assert result == "test line"
def test_throwsExceptionWhenNoFile(mock_open, monkeypatch):
mock_exists = MagicMock(return_value=False)
monkeypatch.setattr("os.path.exists", mock_exists)
with pytest.raises(Exception):
result = readFromFile("fake file")
