[stdlib] Adds Update(...) and FixedWindow(...) the the standard nodes provided with bonobo.

tests/nodes/io/test_csv.py

@@ -0,0 +1,58 @@
+import pytest
+
+from bonobo import CsvReader, CsvWriter, settings
+from bonobo.execution.contexts.node import NodeExecutionContext
+from bonobo.util.testing import FilesystemTester, BufferingNodeExecutionContext
+
+csv_tester = FilesystemTester('csv')
+csv_tester.input_data = 'a,b,c\na foo,b foo,c foo\na bar,b bar,c bar'
+
+
+def test_write_csv_ioformat_arg0(tmpdir):
+    fs, filename, services = csv_tester.get_services_for_writer(tmpdir)
+    with pytest.raises(ValueError):
+        CsvWriter(path=filename, ioformat=settings.IOFORMAT_ARG0)
+
+    with pytest.raises(ValueError):
+        CsvReader(path=filename, delimiter=',', ioformat=settings.IOFORMAT_ARG0),
+
+
+@pytest.mark.parametrize('add_kwargs', (
+    {},
+    {
+        'ioformat': settings.IOFORMAT_KWARGS,
+    },
+))
+def test_write_csv_to_file_kwargs(tmpdir, add_kwargs):
+    fs, filename, services = csv_tester.get_services_for_writer(tmpdir)
+
+    with NodeExecutionContext(CsvWriter(filename, **add_kwargs), services=services) as context:
+        context.write_sync({'foo': 'bar'}, {'foo': 'baz', 'ignore': 'this'})
+
+    with fs.open(filename) as fp:
+        assert fp.read() == 'foo\nbar\nbaz\n'
+
+    with pytest.raises(AttributeError):
+        getattr(context, 'file')
+
+
+def test_read_csv_from_file_kwargs(tmpdir):
+    fs, filename, services = csv_tester.get_services_for_reader(tmpdir)
+
+    with BufferingNodeExecutionContext(
+        CsvReader(path=filename, delimiter=','),
+        services=services,
+    ) as context:
+        context.write_sync(())
+
+    assert context.get_buffer() == [
+        {
+            'a': 'a foo',
+            'b': 'b foo',
+            'c': 'c foo',
+        }, {
+            'a': 'a bar',
+            'b': 'b bar',
+            'c': 'c bar',
+        }
+    ]