104 lines
3.1 KiB
Python
104 lines
3.1 KiB
Python
import pytest
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from bonobo import Bag, CsvReader, CsvWriter, settings
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from bonobo.constants import BEGIN, END
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from bonobo.execution.node import NodeExecutionContext
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from bonobo.util.testing import CapturingNodeExecutionContext, FilesystemTester
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csv_tester = FilesystemTester('csv')
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csv_tester.input_data = 'a,b,c\na foo,b foo,c foo\na bar,b bar,c bar'
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def test_write_csv_to_file_arg0(tmpdir):
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fs, filename, services = csv_tester.get_services_for_writer(tmpdir)
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with NodeExecutionContext(CsvWriter(path=filename, ioformat=settings.IOFORMAT_ARG0), services=services) as context:
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context.write(BEGIN, Bag({'foo': 'bar'}), Bag({'foo': 'baz', 'ignore': 'this'}), END)
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context.step()
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context.step()
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with fs.open(filename) as fp:
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assert fp.read() == 'foo\nbar\nbaz\n'
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with pytest.raises(AttributeError):
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getattr(context, 'file')
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@pytest.mark.parametrize('add_kwargs', ({}, {
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'ioformat': settings.IOFORMAT_KWARGS,
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}, ))
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def test_write_csv_to_file_kwargs(tmpdir, add_kwargs):
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fs, filename, services = csv_tester.get_services_for_writer(tmpdir)
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with NodeExecutionContext(CsvWriter(path=filename, **add_kwargs), services=services) as context:
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context.write(BEGIN, Bag(**{'foo': 'bar'}), Bag(**{'foo': 'baz', 'ignore': 'this'}), END)
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context.step()
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context.step()
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with fs.open(filename) as fp:
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assert fp.read() == 'foo\nbar\nbaz\n'
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with pytest.raises(AttributeError):
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getattr(context, 'file')
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def test_read_csv_from_file_arg0(tmpdir):
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fs, filename, services = csv_tester.get_services_for_reader(tmpdir)
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with CapturingNodeExecutionContext(
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CsvReader(path=filename, delimiter=',', ioformat=settings.IOFORMAT_ARG0),
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services=services,
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) as context:
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context.write(BEGIN, Bag(), END)
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context.step()
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assert len(context.send.mock_calls) == 2
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args0, kwargs0 = context.send.call_args_list[0]
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assert len(args0) == 1 and not len(kwargs0)
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args1, kwargs1 = context.send.call_args_list[1]
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assert len(args1) == 1 and not len(kwargs1)
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assert args0[0].args[0] == {
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'a': 'a foo',
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'b': 'b foo',
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'c': 'c foo',
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}
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assert args1[0].args[0] == {
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'a': 'a bar',
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'b': 'b bar',
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'c': 'c bar',
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}
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def test_read_csv_from_file_kwargs(tmpdir):
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fs, filename, services = csv_tester.get_services_for_reader(tmpdir)
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with CapturingNodeExecutionContext(
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CsvReader(path=filename, delimiter=','),
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services=services,
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) as context:
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context.write(BEGIN, Bag(), END)
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context.step()
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assert len(context.send.mock_calls) == 2
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args0, kwargs0 = context.send.call_args_list[0]
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assert len(args0) == 1 and not len(kwargs0)
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args1, kwargs1 = context.send.call_args_list[1]
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assert len(args1) == 1 and not len(kwargs1)
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_args, _kwargs = args0[0].get()
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assert not len(_args) and _kwargs == {
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'a': 'a foo',
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'b': 'b foo',
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'c': 'c foo',
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}
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_args, _kwargs = args1[0].get()
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assert not len(_args) and _kwargs == {
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'a': 'a bar',
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'b': 'b bar',
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'c': 'c bar',
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}
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