def test_snapshot_list(self):
a = TestLinkedList('A')
b = TestLinkedList('B')
c = TestLinkedList('C')
a.next = b
b.next = c
snapshot = JsonSnapshot()
self.assertIsNone(snapshot.find_entity_for_data(b))
self.assertIsNone(snapshot.find_entity_for_data(b)) # Still none
snapshot.add_data(a)
json_object = snapshot.to_json_object()
have_b = snapshot.find_entity_for_data(b)
self.assertEquals(2, have_b.id)
entity_b = snapshot.make_entity_for_data(b)
self.assertEquals(id(have_b), id(entity_b))
have_c = snapshot.find_entity_for_data(c)
entity_c = snapshot.make_entity_for_data(c)
self.assertEquals(id(have_c), id(entity_c))
self.assertEquals(3, entity_c.id)
expect = {
'_subject_id': 1,
'_type': 'JsonSnapshot',
'_entities': [
{'_id': 1, 'name': 'A', '_edges': [{'_to': 2}]},
{'_id': 2, 'name': 'B', '_edges': [{'_to': 3}]},
{'_id': 3, 'name': 'C'}]}
self.assertItemsEqual(expect, json_object)
def test_process_snapshot(self):
"""Test the conversion of a snapshot into HTML."""
tail = TestLinkedList(name='tail')
head = TestLinkedList(name='head', next_elem=tail)
snapshot = JsonSnapshot()
snapshot.make_entity_for_data(head)
json_snapshot = snapshot.to_json_object()
entity_manager = ProcessedEntityManager()
processor = ProcessToRenderInfo(
HtmlDocumentManager('test_json'), entity_manager)
processor.max_uncollapsable_json_lines = 20
processor.max_uncollapsable_metadata_rows = 20
processor.max_uncollapsable_entity_rows = 20
processor.default_force_top_level_collapse = False
entity_manager.push_entity_map(json_snapshot['_entities'])
html_info = processor.process_entity_id(json_snapshot['_subject_id'],
json_snapshot)
entity_manager.pop_entity_map(json_snapshot['_entities'])
expect = """<table>
<tr>
<th><i>metadata</i></th>
<td>
<table>
<tr><th>_id</th><td>1</td></tr>
<tr><th>class</th><td>type TestLinkedList</td></tr>
<tr><th>name</th><td>head</td></tr>
</table>
</td>
</tr>
<tr>
<th>Next</th>
<td>
<table>
<tr>
<th><i>metadata</i></th>
<td>
<table>
<tr><th>_id</th><td>2</td></tr>
<tr><th>class</th><td>type TestLinkedList</td></tr>
<tr><th>name</th><td>tail</td></tr>
</table>
</td>
</tr>
</table>
</td>
</tr>
</table>
"""
# Test without regard to whitespace formatting.
self.assertEquals(''.join(expect.split()),
''.join(html_info.detail_html.split()))
def test_process_snapshot(self):
"""Test the conversion of a snapshot into HTML."""
tail = TestLinkedList(name='tail')
head = TestLinkedList(name='head', next_elem=tail)
snapshot = JsonSnapshot()
snapshot.make_entity_for_data(head)
json_snapshot = snapshot.to_json_object()
entity_manager = ProcessedEntityManager()
processor = ProcessToRenderInfo(HtmlDocumentManager('test_json'),
entity_manager)
processor.max_uncollapsable_json_lines = 20
processor.max_uncollapsable_metadata_rows = 20
processor.max_uncollapsable_entity_rows = 20
processor.default_force_top_level_collapse = False
entity_manager.push_entity_map(json_snapshot['_entities'])
html_info = processor.process_entity_id(json_snapshot['_subject_id'],
json_snapshot)
entity_manager.pop_entity_map(json_snapshot['_entities'])
expect = """<table>
<tr>
<th><i>metadata</i></th>
<td>
<table>
<tr><th>_id</th><td>1</td></tr>
<tr><th>class</th><td>type TestLinkedList</td></tr>
<tr><th>name</th><td>head</td></tr>
</table>
</td>
</tr>
<tr>
<th>Next</th>
<td>
<table>
<tr>
<th><i>metadata</i></th>
<td>
<table>
<tr><th>_id</th><td>2</td></tr>
<tr><th>class</th><td>type TestLinkedList</td></tr>
<tr><th>name</th><td>tail</td></tr>
</table>
</td>
</tr>
</table>
</td>
</tr>
</table>
"""
# Test without regard to whitespace formatting.
self.assertEquals(''.join(expect.split()),
''.join(html_info.detail_html.split()))
def test_cycle(self):
tail = TestLinkedList(name='tail')
head = TestLinkedList(name='head', next_elem=tail)
tail.next = head
snapshot = JsonSnapshot()
entity_manager = ProcessedEntityManager()
processor = ProcessToRenderInfo(
HtmlDocumentManager('test_json'), entity_manager)
snapshot.make_entity_for_data(head)
json_snapshot = snapshot.to_json_object()
self.assertEqual(1, json_snapshot.get('_subject_id'))
entity_manager.push_entity_map(json_snapshot.get('_entities'))
info = processor.process_entity_id(1, snapshot)
def test_snapshot_make_transitive_entity(self):
"""Test snapshotting compound entities."""
elem = TestLinkedList('First', next_elem=TestLinkedList('Second'))
snapshot = JsonSnapshot()
snapshot.make_entity_for_data(elem)
entity = snapshot.make_entity_for_data(elem.next)
found = snapshot.find_entity_for_data(elem.next)
self.assertEquals(found, entity)
self.assertEquals(id(found), id(entity))
self.assertItemsEqual({'_subject_id': 1,
'_type': 'JsonSnapshot',
'_entities': [{'_id': 1, 'name': 'First',
'_edges':[{'_to': 2}]},
{'_id': 2, 'name': 'Second'}]},
snapshot.to_json_object())
def test_cycle(self):
tail = TestLinkedList(name='tail')
head = TestLinkedList(name='head', next_elem=tail)
tail.next = head
snapshot = JsonSnapshot()
entity_manager = ProcessedEntityManager()
processor = ProcessToRenderInfo(HtmlDocumentManager('test_json'),
entity_manager)
snapshot.make_entity_for_data(head)
json_snapshot = snapshot.to_json_object()
self.assertEqual(1, json_snapshot.get('_subject_id'))
entity_manager.push_entity_map(json_snapshot.get('_entities'))
info = processor.process_entity_id(1, snapshot)
def test_snapshot_make_entity(self):
"""Test snapshotting JsonSnapshotable objects into entities."""
elem = TestLinkedList('Hello')
snapshot = JsonSnapshot()
entity = snapshot.make_entity_for_data(elem)
found = snapshot.find_entity_for_data(elem)
self.assertEquals(found, entity)
self.assertEquals(id(found), id(entity))
self.assertItemsEqual({'_subject_id': 1,
'_type': 'JsonSnapshot',
'_entities': [{'_id': 1, 'name': 'Hello'}]},
snapshot.to_json_object())