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Standardise JS checkpointing API, use it for notebooks
Standardise JS checkpointing API, use it for notebooks

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test_contents_api.py
481 lines | 18.1 KiB | text/x-python | PythonLexer
# coding: utf-8
"""Test the contents webservice API."""
import base64
import io
import json
import os
import shutil
from unicodedata import normalize
pjoin = os.path.join
import requests
from IPython.html.utils import url_path_join, url_escape
from IPython.html.tests.launchnotebook import NotebookTestBase, assert_http_error
from IPython.nbformat import read, write, from_dict
from IPython.nbformat.v4 import (
new_notebook, new_markdown_cell,
)
from IPython.nbformat import v2
from IPython.utils import py3compat
from IPython.utils.data import uniq_stable
def notebooks_only(dir_model):
return [nb for nb in dir_model['content'] if nb['type']=='notebook']
def dirs_only(dir_model):
return [x for x in dir_model['content'] if x['type']=='directory']
class API(object):
"""Wrapper for contents API calls."""
def __init__(self, base_url):
self.base_url = base_url
def _req(self, verb, path, body=None):
response = requests.request(verb,
url_path_join(self.base_url, 'api/contents', path),
data=body,
)
response.raise_for_status()
return response
def list(self, path='/'):
return self._req('GET', path)
def read(self, name, path='/'):
return self._req('GET', url_path_join(path, name))
def create_untitled(self, path='/', ext=None):
body = None
if ext:
body = json.dumps({'ext': ext})
return self._req('POST', path, body)
def upload_untitled(self, body, path='/'):
return self._req('POST', path, body)
def copy_untitled(self, copy_from, path='/'):
body = json.dumps({'copy_from':copy_from})
return self._req('POST', path, body)
def create(self, name, path='/'):
return self._req('PUT', url_path_join(path, name))
def upload(self, name, body, path='/'):
return self._req('PUT', url_path_join(path, name), body)
def mkdir(self, name, path='/'):
return self._req('PUT', url_path_join(path, name), json.dumps({'type': 'directory'}))
def copy(self, copy_from, copy_to, path='/'):
body = json.dumps({'copy_from':copy_from})
return self._req('PUT', url_path_join(path, copy_to), body)
def save(self, name, body, path='/'):
return self._req('PUT', url_path_join(path, name), body)
def delete(self, name, path='/'):
return self._req('DELETE', url_path_join(path, name))
def rename(self, name, path, new_name):
body = json.dumps({'name': new_name})
return self._req('PATCH', url_path_join(path, name), body)
def get_checkpoints(self, name, path):
return self._req('GET', url_path_join(path, name, 'checkpoints'))
def new_checkpoint(self, name, path):
return self._req('POST', url_path_join(path, name, 'checkpoints'))
def restore_checkpoint(self, name, path, checkpoint_id):
return self._req('POST', url_path_join(path, name, 'checkpoints', checkpoint_id))
def delete_checkpoint(self, name, path, checkpoint_id):
return self._req('DELETE', url_path_join(path, name, 'checkpoints', checkpoint_id))
class APITest(NotebookTestBase):
"""Test the kernels web service API"""
dirs_nbs = [('', 'inroot'),
('Directory with spaces in', 'inspace'),
(u'unicodé', 'innonascii'),
('foo', 'a'),
('foo', 'b'),
('foo', 'name with spaces'),
('foo', u'unicodé'),
('foo/bar', 'baz'),
('ordering', 'A'),
('ordering', 'b'),
('ordering', 'C'),
(u'å b', u'ç d'),
]
hidden_dirs = ['.hidden', '__pycache__']
dirs = uniq_stable([py3compat.cast_unicode(d) for (d,n) in dirs_nbs])
del dirs[0] # remove ''
top_level_dirs = {normalize('NFC', d.split('/')[0]) for d in dirs}
@staticmethod
def _blob_for_name(name):
return name.encode('utf-8') + b'\xFF'
@staticmethod
def _txt_for_name(name):
return u'%s text file' % name
def setUp(self):
nbdir = self.notebook_dir.name
self.blob = os.urandom(100)
self.b64_blob = base64.encodestring(self.blob).decode('ascii')
for d in (self.dirs + self.hidden_dirs):
d.replace('/', os.sep)
if not os.path.isdir(pjoin(nbdir, d)):
os.mkdir(pjoin(nbdir, d))
for d, name in self.dirs_nbs:
d = d.replace('/', os.sep)
# create a notebook
with io.open(pjoin(nbdir, d, '%s.ipynb' % name), 'w',
encoding='utf-8') as f:
nb = new_notebook()
write(nb, f, version=4)
# create a text file
with io.open(pjoin(nbdir, d, '%s.txt' % name), 'w',
encoding='utf-8') as f:
f.write(self._txt_for_name(name))
# create a binary file
with io.open(pjoin(nbdir, d, '%s.blob' % name), 'wb') as f:
f.write(self._blob_for_name(name))
self.api = API(self.base_url())
def tearDown(self):
nbdir = self.notebook_dir.name
for dname in (list(self.top_level_dirs) + self.hidden_dirs):
shutil.rmtree(pjoin(nbdir, dname), ignore_errors=True)
if os.path.isfile(pjoin(nbdir, 'inroot.ipynb')):
os.unlink(pjoin(nbdir, 'inroot.ipynb'))
def test_list_notebooks(self):
nbs = notebooks_only(self.api.list().json())
self.assertEqual(len(nbs), 1)
self.assertEqual(nbs[0]['name'], 'inroot.ipynb')
nbs = notebooks_only(self.api.list('/Directory with spaces in/').json())
self.assertEqual(len(nbs), 1)
self.assertEqual(nbs[0]['name'], 'inspace.ipynb')
nbs = notebooks_only(self.api.list(u'/unicodé/').json())
self.assertEqual(len(nbs), 1)
self.assertEqual(nbs[0]['name'], 'innonascii.ipynb')
self.assertEqual(nbs[0]['path'], u'unicodé')
nbs = notebooks_only(self.api.list('/foo/bar/').json())
self.assertEqual(len(nbs), 1)
self.assertEqual(nbs[0]['name'], 'baz.ipynb')
self.assertEqual(nbs[0]['path'], 'foo/bar')
nbs = notebooks_only(self.api.list('foo').json())
self.assertEqual(len(nbs), 4)
nbnames = { normalize('NFC', n['name']) for n in nbs }
expected = [ u'a.ipynb', u'b.ipynb', u'name with spaces.ipynb', u'unicodé.ipynb']
expected = { normalize('NFC', name) for name in expected }
self.assertEqual(nbnames, expected)
nbs = notebooks_only(self.api.list('ordering').json())
nbnames = [n['name'] for n in nbs]
expected = ['A.ipynb', 'b.ipynb', 'C.ipynb']
self.assertEqual(nbnames, expected)
def test_list_dirs(self):
dirs = dirs_only(self.api.list().json())
dir_names = {normalize('NFC', d['name']) for d in dirs}
self.assertEqual(dir_names, self.top_level_dirs) # Excluding hidden dirs
def test_list_nonexistant_dir(self):
with assert_http_error(404):
self.api.list('nonexistant')
def test_get_nb_contents(self):
for d, name in self.dirs_nbs:
nb = self.api.read('%s.ipynb' % name, d+'/').json()
self.assertEqual(nb['name'], u'%s.ipynb' % name)
self.assertEqual(nb['type'], 'notebook')
self.assertIn('content', nb)
self.assertEqual(nb['format'], 'json')
self.assertIn('content', nb)
self.assertIn('metadata', nb['content'])
self.assertIsInstance(nb['content']['metadata'], dict)
def test_get_contents_no_such_file(self):
# Name that doesn't exist - should be a 404
with assert_http_error(404):
self.api.read('q.ipynb', 'foo')
def test_get_text_file_contents(self):
for d, name in self.dirs_nbs:
model = self.api.read(u'%s.txt' % name, d+'/').json()
self.assertEqual(model['name'], u'%s.txt' % name)
self.assertIn('content', model)
self.assertEqual(model['format'], 'text')
self.assertEqual(model['type'], 'file')
self.assertEqual(model['content'], self._txt_for_name(name))
# Name that doesn't exist - should be a 404
with assert_http_error(404):
self.api.read('q.txt', 'foo')
def test_get_binary_file_contents(self):
for d, name in self.dirs_nbs:
model = self.api.read(u'%s.blob' % name, d+'/').json()
self.assertEqual(model['name'], u'%s.blob' % name)
self.assertIn('content', model)
self.assertEqual(model['format'], 'base64')
self.assertEqual(model['type'], 'file')
b64_data = base64.encodestring(self._blob_for_name(name)).decode('ascii')
self.assertEqual(model['content'], b64_data)
# Name that doesn't exist - should be a 404
with assert_http_error(404):
self.api.read('q.txt', 'foo')
def _check_created(self, resp, name, path, type='notebook'):
self.assertEqual(resp.status_code, 201)
location_header = py3compat.str_to_unicode(resp.headers['Location'])
self.assertEqual(location_header, url_escape(url_path_join(u'/api/contents', path, name)))
rjson = resp.json()
self.assertEqual(rjson['name'], name)
self.assertEqual(rjson['path'], path)
self.assertEqual(rjson['type'], type)
isright = os.path.isdir if type == 'directory' else os.path.isfile
assert isright(pjoin(
self.notebook_dir.name,
path.replace('/', os.sep),
name,
))
def test_create_untitled(self):
resp = self.api.create_untitled(path=u'å b')
self._check_created(resp, 'Untitled0.ipynb', u'å b')
# Second time
resp = self.api.create_untitled(path=u'å b')
self._check_created(resp, 'Untitled1.ipynb', u'å b')
# And two directories down
resp = self.api.create_untitled(path='foo/bar')
self._check_created(resp, 'Untitled0.ipynb', 'foo/bar')
def test_create_untitled_txt(self):
resp = self.api.create_untitled(path='foo/bar', ext='.txt')
self._check_created(resp, 'untitled0.txt', 'foo/bar', type='file')
resp = self.api.read(path='foo/bar', name='untitled0.txt')
model = resp.json()
self.assertEqual(model['type'], 'file')
self.assertEqual(model['format'], 'text')
self.assertEqual(model['content'], '')
def test_upload_untitled(self):
nb = new_notebook()
nbmodel = {'content': nb, 'type': 'notebook'}
resp = self.api.upload_untitled(path=u'å b',
body=json.dumps(nbmodel))
self._check_created(resp, 'Untitled0.ipynb', u'å b')
def test_upload(self):
nb = new_notebook()
nbmodel = {'content': nb, 'type': 'notebook'}
resp = self.api.upload(u'Upload tést.ipynb', path=u'å b',
body=json.dumps(nbmodel))
self._check_created(resp, u'Upload tést.ipynb', u'å b')
def test_mkdir(self):
resp = self.api.mkdir(u'New ∂ir', path=u'å b')
self._check_created(resp, u'New ∂ir', u'å b', type='directory')
def test_mkdir_hidden_400(self):
with assert_http_error(400):
resp = self.api.mkdir(u'.hidden', path=u'å b')
def test_upload_txt(self):
body = u'ünicode téxt'
model = {
'content' : body,
'format' : 'text',
'type' : 'file',
}
resp = self.api.upload(u'Upload tést.txt', path=u'å b',
body=json.dumps(model))
# check roundtrip
resp = self.api.read(path=u'å b', name=u'Upload tést.txt')
model = resp.json()
self.assertEqual(model['type'], 'file')
self.assertEqual(model['format'], 'text')
self.assertEqual(model['content'], body)
def test_upload_b64(self):
body = b'\xFFblob'
b64body = base64.encodestring(body).decode('ascii')
model = {
'content' : b64body,
'format' : 'base64',
'type' : 'file',
}
resp = self.api.upload(u'Upload tést.blob', path=u'å b',
body=json.dumps(model))
# check roundtrip
resp = self.api.read(path=u'å b', name=u'Upload tést.blob')
model = resp.json()
self.assertEqual(model['type'], 'file')
self.assertEqual(model['format'], 'base64')
decoded = base64.decodestring(model['content'].encode('ascii'))
self.assertEqual(decoded, body)
def test_upload_v2(self):
nb = v2.new_notebook()
ws = v2.new_worksheet()
nb.worksheets.append(ws)
ws.cells.append(v2.new_code_cell(input='print("hi")'))
nbmodel = {'content': nb, 'type': 'notebook'}
resp = self.api.upload(u'Upload tést.ipynb', path=u'å b',
body=json.dumps(nbmodel))
self._check_created(resp, u'Upload tést.ipynb', u'å b')
resp = self.api.read(u'Upload tést.ipynb', u'å b')
data = resp.json()
self.assertEqual(data['content']['nbformat'], 4)
def test_copy_untitled(self):
resp = self.api.copy_untitled(u'ç d.ipynb', path=u'å b')
self._check_created(resp, u'ç d-Copy0.ipynb', u'å b')
def test_copy(self):
resp = self.api.copy(u'ç d.ipynb', u'cøpy.ipynb', path=u'å b')
self._check_created(resp, u'cøpy.ipynb', u'å b')
def test_copy_path(self):
resp = self.api.copy(u'foo/a.ipynb', u'cøpyfoo.ipynb', path=u'å b')
self._check_created(resp, u'cøpyfoo.ipynb', u'å b')
def test_copy_dir_400(self):
# can't copy directories
with assert_http_error(400):
resp = self.api.copy(u'å b', u'å c')
def test_delete(self):
for d, name in self.dirs_nbs:
resp = self.api.delete('%s.ipynb' % name, d)
self.assertEqual(resp.status_code, 204)
for d in self.dirs + ['/']:
nbs = notebooks_only(self.api.list(d).json())
self.assertEqual(len(nbs), 0)
def test_delete_dirs(self):
# depth-first delete everything, so we don't try to delete empty directories
for name in sorted(self.dirs + ['/'], key=len, reverse=True):
listing = self.api.list(name).json()['content']
for model in listing:
self.api.delete(model['name'], model['path'])
listing = self.api.list('/').json()['content']
self.assertEqual(listing, [])
def test_delete_non_empty_dir(self):
"""delete non-empty dir raises 400"""
with assert_http_error(400):
self.api.delete(u'å b')
def test_rename(self):
resp = self.api.rename('a.ipynb', 'foo', 'z.ipynb')
self.assertEqual(resp.headers['Location'].split('/')[-1], 'z.ipynb')
self.assertEqual(resp.json()['name'], 'z.ipynb')
assert os.path.isfile(pjoin(self.notebook_dir.name, 'foo', 'z.ipynb'))
nbs = notebooks_only(self.api.list('foo').json())
nbnames = set(n['name'] for n in nbs)
self.assertIn('z.ipynb', nbnames)
self.assertNotIn('a.ipynb', nbnames)
def test_rename_existing(self):
with assert_http_error(409):
self.api.rename('a.ipynb', 'foo', 'b.ipynb')
def test_save(self):
resp = self.api.read('a.ipynb', 'foo')
nbcontent = json.loads(resp.text)['content']
nb = from_dict(nbcontent)
nb.cells.append(new_markdown_cell(u'Created by test ³'))
nbmodel= {'name': 'a.ipynb', 'path':'foo', 'content': nb, 'type': 'notebook'}
resp = self.api.save('a.ipynb', path='foo', body=json.dumps(nbmodel))
nbfile = pjoin(self.notebook_dir.name, 'foo', 'a.ipynb')
with io.open(nbfile, 'r', encoding='utf-8') as f:
newnb = read(f, as_version=4)
self.assertEqual(newnb.cells[0].source,
u'Created by test ³')
nbcontent = self.api.read('a.ipynb', 'foo').json()['content']
newnb = from_dict(nbcontent)
self.assertEqual(newnb.cells[0].source,
u'Created by test ³')
# Save and rename
nbmodel= {'name': 'a2.ipynb', 'path':'foo/bar', 'content': nb, 'type': 'notebook'}
resp = self.api.save('a.ipynb', path='foo', body=json.dumps(nbmodel))
saved = resp.json()
self.assertEqual(saved['name'], 'a2.ipynb')
self.assertEqual(saved['path'], 'foo/bar')
assert os.path.isfile(pjoin(self.notebook_dir.name,'foo','bar','a2.ipynb'))
assert not os.path.isfile(pjoin(self.notebook_dir.name, 'foo', 'a.ipynb'))
with assert_http_error(404):
self.api.read('a.ipynb', 'foo')
def test_checkpoints(self):
resp = self.api.read('a.ipynb', 'foo')
r = self.api.new_checkpoint('a.ipynb', 'foo')
self.assertEqual(r.status_code, 201)
cp1 = r.json()
self.assertEqual(set(cp1), {'id', 'last_modified'})
self.assertEqual(r.headers['Location'].split('/')[-1], cp1['id'])
# Modify it
nbcontent = json.loads(resp.text)['content']
nb = from_dict(nbcontent)
hcell = new_markdown_cell('Created by test')
nb.cells.append(hcell)
# Save
nbmodel= {'name': 'a.ipynb', 'path':'foo', 'content': nb, 'type': 'notebook'}
resp = self.api.save('a.ipynb', path='foo', body=json.dumps(nbmodel))
# List checkpoints
cps = self.api.get_checkpoints('a.ipynb', 'foo').json()
self.assertEqual(cps, [cp1])
nbcontent = self.api.read('a.ipynb', 'foo').json()['content']
nb = from_dict(nbcontent)
self.assertEqual(nb.cells[0].source, 'Created by test')
# Restore cp1
r = self.api.restore_checkpoint('a.ipynb', 'foo', cp1['id'])
self.assertEqual(r.status_code, 204)
nbcontent = self.api.read('a.ipynb', 'foo').json()['content']
nb = from_dict(nbcontent)
self.assertEqual(nb.cells, [])
# Delete cp1
r = self.api.delete_checkpoint('a.ipynb', 'foo', cp1['id'])
self.assertEqual(r.status_code, 204)
cps = self.api.get_checkpoints('a.ipynb', 'foo').json()
self.assertEqual(cps, [])