def _build_selector(cls, tree, selector_type):
if selector_type == 'xpath':
return XpathSelector(tree)
elif selector_type == 'json':
return JsonSelector(tree)
else:
raise GrabMisuseError('Unknown selector type: %s' % selector_type)
def test_select_node(self):
self.assertEquals({
'name': 'Mars',
'cities': [],
'population': 0
},
JsonSelector(self.tree).select('$[1]')[0].node.value)
def test_attr_list(self):
root = JsonSelector(self.tree)
self.assertRaises(
NotImplementedError,
lambda: root.select('$..population').attr_list('bar'))
def test_html(self):
root = JsonSelector(self.tree)
self.assertRaises(NotImplementedError,
lambda: root.select('$..population')[0].html())
def test_text_list(self):
root = JsonSelector(self.tree)
self.assertEquals(['7000000000', '0'],
root.select('$..population').text_list())
def test_select_select(self):
root = JsonSelector(self.tree)
self.assertEquals('Mars', root.select('$[1]').select('name').text())
def test_population(self):
self.assertEquals(
7000000000,
JsonSelector(self.tree).select('$..population').number())
def test_text(self):
self.assertEquals('Mars',
JsonSelector(self.tree).select('$[1].name').text())
def test_html(self):
sel = JsonSelector(self.tree)
self.assertRaises(NotImplementedError, sel.html)
def test_it_works(self):
sel = JsonSelector(self.tree)
def test_attr_list(self):
root = JsonSelector(self.tree)
self.assertRaises(NotImplementedError,
lambda: root.select('$..population').attr_list('bar'))
def test_html(self):
root = JsonSelector(self.tree)
self.assertRaises(NotImplementedError,
lambda: root.select('$..population')[0].html())
def test_text_list(self):
root = JsonSelector(self.tree)
self.assertEquals(['7000000000', '0'],
root.select('$..population').text_list())
def test_select_select(self):
root = JsonSelector(self.tree)
self.assertEquals('Mars', root.select('$[1]').select('name').text())