def test_extend(self):
fs1 = FieldSelector(["foo", "bar"])
fs2 = FieldSelector(["hello", "world"])
# functional extension
self.assertEqual(
(fs1 + fs2).selectors, ["foo", "bar", "hello", "world"],
)
self.assertEqual(str(fs1 + "baz"), "<FieldSelector: .foo.bar.baz>")
self.assertEqual(str(fs1 + ["baz"]), "<FieldSelector: .foo.bar.baz>")
self.assertEqual(str(fs1 + 7), "<FieldSelector: .foo.bar[7]>")
fs3 = fs1.extend(fs2)
# Verify that extend works
self.assertEqual(fs1.selectors, ["foo", "bar", "hello", "world"])
# Verify that extend chaining works
self.assertEqual(fs1, fs3)
def test_extend(self):
fs1 = FieldSelector(["foo", "bar"])
fs2 = FieldSelector(["hello", "world"])
# functional extension
self.assertEqual(
(fs1 + fs2).selectors, ["foo", "bar", "hello", "world"],
)
self.assertEqual(str(fs1 + "baz"), "<FieldSelector: .foo.bar.baz>")
self.assertEqual(str(fs1 + ["baz"]), "<FieldSelector: .foo.bar.baz>")
self.assertEqual(str(fs1 + 7), "<FieldSelector: .foo.bar[7]>")
fs3 = fs1.extend(fs2)
# Verify that extend works
self.assertEqual(fs1.selectors, ["foo", "bar", "hello", "world"])
# Verify that extend chaining works
self.assertEqual(fs1, fs3)
