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test_assignment_list.py
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test_assignment_list.py
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# -*- coding: utf-8 -*-
import pytest
import io
import os
import shutil
import time
from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
from selenium.common.exceptions import TimeoutException, NoSuchElementException
from nbformat import write as write_nb
from nbformat.v4 import new_notebook
from textwrap import dedent
from .. import run_nbgrader
from .conftest import notwindows, _make_nbserver, _make_browser, _close_nbserver, _close_browser
from ...utils import rmtree
@pytest.fixture(scope="module")
def nbserver(request, port, tempdir, jupyter_config_dir, jupyter_data_dir, exchange, cache):
server = _make_nbserver("", port, tempdir, jupyter_config_dir, jupyter_data_dir, exchange, cache)
def fin():
_close_nbserver(server)
request.addfinalizer(fin)
return server
@pytest.fixture(scope="module")
def browser(request, tempdir, nbserver):
browser = _make_browser(tempdir)
def fin():
_close_browser(browser)
request.addfinalizer(fin)
return browser
@pytest.fixture(scope="module")
def class_files(coursedir):
# copy files from the user guide
source_path = os.path.join(os.path.dirname(__file__), "..", "..", "docs", "source", "user_guide", "source")
shutil.copytree(os.path.join(os.path.dirname(__file__), source_path), os.path.join(coursedir, "source"))
# rename to old names -- we do this rather than changing all the tests
# because I want the tests to operate on files with spaces in the names
os.rename(os.path.join(coursedir, "source", "ps1"), os.path.join(coursedir, "source", "Problem Set 1"))
os.rename(os.path.join(coursedir, "source", "Problem Set 1", "problem1.ipynb"), os.path.join(coursedir, "source", "Problem Set 1", "Problem 1.ipynb"))
os.rename(os.path.join(coursedir, "source", "Problem Set 1", "problem2.ipynb"), os.path.join(coursedir, "source", "Problem Set 1", "Problem 2.ipynb"))
# create a fake ps1
os.mkdir(os.path.join(coursedir, "source", "ps.01"))
with io.open(os.path.join(coursedir, "source", "ps.01", "problem 1.ipynb"), mode="w", encoding="utf-8") as fh:
write_nb(new_notebook(), fh, 4)
with open("nbgrader_config.py", "a") as fh:
fh.write(dedent(
"""
c.CourseDirectory.root = '{}'
""".format(coursedir)
))
return coursedir
def _wait(browser):
return WebDriverWait(browser, 10)
def _load_assignments_list(browser, port, retries=5):
# go to the correct page
browser.get("http://localhost:{}/tree".format(port))
def page_loaded(browser):
return browser.execute_script(
'return typeof IPython !== "undefined" && IPython.page !== undefined;')
# wait for the page to load
try:
_wait(browser).until(page_loaded)
except TimeoutException:
if retries > 0:
print("Retrying page load...")
# page timeout, but sometimes this happens, so try refreshing?
_load_assignments_list(browser, port, retries=retries - 1)
else:
print("Failed to load the page too many times")
raise
# wait for the extension to load
_wait(browser).until(EC.presence_of_element_located((By.CSS_SELECTOR, "#assignments")))
# switch to the assignments list
element = browser.find_element(By.LINK_TEXT, "Assignments")
element.click()
# make sure released, downloaded, and submitted assignments are visible
_wait(browser).until(EC.visibility_of_element_located((By.CSS_SELECTOR, "#released_assignments_list")))
_wait(browser).until(EC.visibility_of_element_located((By.CSS_SELECTOR, "#fetched_assignments_list")))
_wait(browser).until(EC.visibility_of_element_located((By.CSS_SELECTOR, "#submitted_assignments_list")))
def _expand(browser, list_id, assignment):
browser.find_element(By.ID, "fetched_assignments_list").find_element(By.LINK_TEXT, assignment).click()
rows = browser.find_elements(By.CSS_SELECTOR, "{} .list_item".format(list_id))
for i in range(1, len(rows)):
_wait(browser).until(lambda browser: browser.find_elements(By.CSS_SELECTOR, "{} .list_item".format(list_id))[i].is_displayed())
return rows
def _unexpand(browser, list_id, assignment):
browser.find_element(By.LINK_TEXT, assignment).click()
rows = browser.find_elements(By.CSS_SELECTOR, "{} .list_item".format(list_id))
for i in range(1, len(rows)):
_wait(browser).until(lambda browser: not browser.find_elements(By.CSS_SELECTOR, "{} .list_item".format(list_id))[i].is_displayed())
def _wait_for_modal(browser):
_wait(browser).until(EC.presence_of_all_elements_located((By.CSS_SELECTOR, ".modal-dialog")))
def _dismiss_modal(browser):
button = browser.find_element(By.CSS_SELECTOR, ".modal-footer .btn-primary")
button.click()
def modal_gone(browser):
try:
browser.find_element(By.CSS_SELECTOR, ".modal-dialog")
except NoSuchElementException:
return True
return False
_wait(browser).until(modal_gone)
def _sort_rows(x):
try:
item_name = x.find_element(By.CLASS_NAME, "item_name").text
except NoSuchElementException:
item_name = ""
return item_name
def _wait_until_loaded(browser):
_wait(browser).until(lambda browser: browser.find_element(By.ID, "course_list_default").text != "Loading, please wait...")
_wait(browser).until(EC.element_to_be_clickable((By.ID, "course_list_dropdown")))
def _change_course(browser, course):
# wait until the dropdown is enabled
_wait_until_loaded(browser)
# click the dropdown to show the menu
dropdown = browser.find_element(By.CSS_SELECTOR, "#course_list_dropdown")
dropdown.click()
# parse the list of courses and click the one that's been requested
courses = browser.find_elements(By.CSS_SELECTOR, "#course_list > li")
text = [x.text for x in courses]
index = text.index(course)
courses[index].click()
# wait for the dropdown to be disabled, then enabled again
_wait_until_loaded(browser)
# verify the dropdown shows the correct course
default = browser.find_element(By.CSS_SELECTOR, "#course_list_default")
assert default.text == course
def _wait_for_list(browser, name, num_rows):
_wait(browser).until(EC.invisibility_of_element_located((By.CSS_SELECTOR, "#{}_assignments_list_loading".format(name))))
_wait(browser).until(EC.invisibility_of_element_located((By.CSS_SELECTOR, "#{}_assignments_list_placeholder".format(name))))
_wait(browser).until(EC.invisibility_of_element_located((By.CSS_SELECTOR, "#{}_assignments_list_error".format(name))))
_wait(browser).until(lambda browser: len(browser.find_elements(By.CSS_SELECTOR, "#{}_assignments_list > .list_item".format(name))) == num_rows)
rows = browser.find_elements(By.CSS_SELECTOR, "#{}_assignments_list > .list_item".format(name))
assert len(rows) == num_rows
return rows
@pytest.mark.nbextensions
@notwindows
def test_show_assignments_list(browser, port, class_files, tempdir):
_load_assignments_list(browser, port)
_wait_until_loaded(browser)
# make sure all the placeholders are initially showing
_wait(browser).until(EC.visibility_of_element_located((By.CSS_SELECTOR, "#released_assignments_list_placeholder")))
_wait(browser).until(EC.visibility_of_element_located((By.CSS_SELECTOR, "#fetched_assignments_list_placeholder")))
_wait(browser).until(EC.visibility_of_element_located((By.CSS_SELECTOR, "#submitted_assignments_list_placeholder")))
# release an assignment
run_nbgrader(["generate_assignment", "Problem Set 1", "--force"])
run_nbgrader(["release_assignment", "Problem Set 1", "--course", "abc101", "--force"])
# click the refresh button
browser.find_element(By.CSS_SELECTOR, "#refresh_assignments_list").click()
_wait_until_loaded(browser)
# wait for the released assignments to update
rows = _wait_for_list(browser, "released", 1)
assert rows[0].find_element(By.CLASS_NAME, "item_name").text == "Problem Set 1"
assert rows[0].find_element(By.CLASS_NAME, "item_course").text == "abc101"
@pytest.mark.nbextensions
@notwindows
def test_multiple_released_assignments(browser, port, class_files, tempdir):
_load_assignments_list(browser, port)
_wait_until_loaded(browser)
# release another assignment
run_nbgrader(["generate_assignment", "ps.01", "--force"])
run_nbgrader(["release_assignment", "ps.01", "--course", "xyz 200", "--force"])
# click the refresh button
browser.find_element(By.CSS_SELECTOR, "#refresh_assignments_list").click()
_wait_until_loaded(browser)
# choose the course "xyz 200"
_change_course(browser, "xyz 200")
rows = _wait_for_list(browser, "released", 1)
assert rows[0].find_element(By.CLASS_NAME, "item_name").text == "ps.01"
assert rows[0].find_element(By.CLASS_NAME, "item_course").text == "xyz 200"
@pytest.mark.nbextensions
@notwindows
def test_fetch_assignment(browser, port, class_files, tempdir):
_load_assignments_list(browser, port)
_wait_until_loaded(browser)
# choose the course "xyz 200"
_change_course(browser, "xyz 200")
# click the "fetch" button
rows = _wait_for_list(browser, "released", 1)
rows[0].find_element(By.CSS_SELECTOR, ".item_status button").click()
# wait for the downloaded assignments list to update
rows = _wait_for_list(browser, "fetched", 1)
assert rows[0].find_element(By.CLASS_NAME, "item_name").text == "ps.01"
assert rows[0].find_element(By.CLASS_NAME, "item_course").text == "xyz 200"
assert os.path.exists(os.path.join(tempdir, "ps.01"))
# expand the assignment to show the notebooks
rows = _expand(browser, "#nbgrader-xyz_200-ps01", "ps.01")
rows.sort(key=_sort_rows)
assert len(rows) == 2
assert rows[1].find_element(By.CLASS_NAME, "item_name").text == "problem 1"
# unexpand the assignment
_unexpand(browser, "#nbgrader-xyz_200-ps01", "ps.01")
@pytest.mark.nbextensions
@notwindows
def test_submit_assignment(browser, port, class_files, tempdir):
_load_assignments_list(browser, port)
_wait_until_loaded(browser)
# choose the course "xyz 200"
_change_course(browser, "xyz 200")
# submit it
rows = _wait_for_list(browser, "fetched", 1)
rows[0].find_element(By.CSS_SELECTOR, ".item_status button").click()
# wait for the submitted assignments list to update
rows = _wait_for_list(browser, "submitted", 1)
assert rows[0].find_element(By.CLASS_NAME, "item_name").text == "ps.01"
assert rows[0].find_element(By.CLASS_NAME, "item_course").text == "xyz 200"
rows = browser.find_elements(By.CSS_SELECTOR, "#nbgrader-xyz_200-ps01-submissions > .list_item")
rows = rows[1:] # first row is empty
assert len(rows) == 1
# submit it again
time.sleep(1)
rows = browser.find_elements(By.CSS_SELECTOR, "#fetched_assignments_list > .list_item")
rows[0].find_element(By.CSS_SELECTOR, ".item_status button").click()
# wait for the submitted assignments list to update
rows = _wait_for_list(browser, "submitted", 1)
assert rows[0].find_element(By.CLASS_NAME, "item_name").text == "ps.01"
assert rows[0].find_element(By.CLASS_NAME, "item_course").text == "xyz 200"
rows = browser.find_elements(By.CSS_SELECTOR, "#nbgrader-xyz_200-ps01-submissions > .list_item")
rows = rows[1:] # first row is empty
assert len(rows) == 2
timestamp1 = rows[0].find_element(By.CSS_SELECTOR, ".item_name").text
timestamp2 = rows[1].find_element(By.CSS_SELECTOR, ".item_name").text
assert timestamp1 != timestamp2
@pytest.mark.nbextensions
@notwindows
def test_submit_assignment_missing_notebooks(browser, port, class_files, tempdir):
_load_assignments_list(browser, port)
_wait_until_loaded(browser)
# choose the course "xyz 200"
_change_course(browser, "xyz 200")
# rename an assignment notebook
assert os.path.exists(os.path.join(tempdir, "ps.01"))
if os.path.isfile(os.path.join(tempdir, "ps.01", "problem 1.ipynb")):
os.rename(
os.path.join(tempdir, "ps.01", "problem 1.ipynb"),
os.path.join(tempdir, "ps.01", "my problem 1.ipynb")
)
# submit it again
rows = browser.find_elements(By.CSS_SELECTOR, "#fetched_assignments_list > .list_item")
rows[0].find_element(By.CSS_SELECTOR, ".item_status button").click()
# wait for the submitted assignments list to update
rows = _wait_for_list(browser, "submitted", 1)
assert rows[0].find_element(By.CLASS_NAME, "item_name").text == "ps.01"
assert rows[0].find_element(By.CLASS_NAME, "item_course").text == "xyz 200"
rows = browser.find_elements(By.CSS_SELECTOR, "#nbgrader-xyz_200-ps01-submissions > .list_item")
rows = rows[1:] # first row is empty
assert len(rows) == 3
timestamp1 = rows[0].find_element(By.CSS_SELECTOR, ".item_name").text
timestamp2 = rows[1].find_element(By.CSS_SELECTOR, ".item_name").text
timestamp3 = rows[2].find_element(By.CSS_SELECTOR, ".item_name").text
assert timestamp1 != timestamp2
assert timestamp2 != timestamp3
# set strict flag
with open('nbgrader_config.py', 'a') as config:
config.write('c.ExchangeSubmit.strict = True')
# submit it again
rows = browser.find_elements(By.CSS_SELECTOR, "#fetched_assignments_list > .list_item")
rows[0].find_element(By.CSS_SELECTOR, ".item_status button").click()
# wait for the modal dialog to appear
_wait_for_modal(browser)
# check that the submission failed
browser.find_element(By.CSS_SELECTOR, ".modal-dialog")
# close the modal dialog
_dismiss_modal(browser)
# check submitted assignments list remains unchanged
rows = _wait_for_list(browser, "submitted", 1)
assert rows[0].find_element(By.CLASS_NAME, "item_name").text == "ps.01"
assert rows[0].find_element(By.CLASS_NAME, "item_course").text == "xyz 200"
rows = browser.find_elements(By.CSS_SELECTOR, "#nbgrader-xyz_200-ps01-submissions > .list_item")
rows = rows[1:] # first row is empty
assert len(rows) == 3
# clean up for following tests: rename notebook back to original name
assert os.path.exists(os.path.join(tempdir, "ps.01"))
if os.path.isfile(os.path.join(tempdir, "ps.01", "my problem 1.ipynb")):
os.rename(
os.path.join(tempdir, "ps.01", "my problem 1.ipynb"),
os.path.join(tempdir, "ps.01", "problem 1.ipynb")
)
@pytest.mark.nbextensions
@notwindows
def test_fetch_second_assignment(browser, port, class_files, tempdir):
_load_assignments_list(browser, port)
_wait_until_loaded(browser)
# click the "fetch" button
rows = _wait_for_list(browser, "released", 1)
rows[0].find_element(By.CSS_SELECTOR, ".item_status button").click()
# wait for the downloaded assignments list to update
rows = _wait_for_list(browser, "fetched", 1)
rows.sort(key=_sort_rows)
assert rows[0].find_element(By.CLASS_NAME, "item_name").text == "Problem Set 1"
assert rows[0].find_element(By.CLASS_NAME, "item_course").text == "abc101"
assert os.path.exists(os.path.join(tempdir, "Problem Set 1"))
# expand the assignment to show the notebooks
rows = _expand(browser, "#nbgrader-abc101-Problem_Set_1", "Problem Set 1")
rows.sort(key=_sort_rows)
assert len(rows) == 3
assert rows[1].find_element(By.CLASS_NAME, "item_name").text == "Problem 1"
assert rows[2].find_element(By.CLASS_NAME, "item_name").text == "Problem 2"
# unexpand the assignment
_unexpand(browser, "abc101-Problem_Set_1", "Problem Set 1")
@pytest.mark.nbextensions
@notwindows
def test_submit_other_assignment(browser, port, class_files, tempdir):
_load_assignments_list(browser, port)
_wait_until_loaded(browser)
# submit it
rows = _wait_for_list(browser, "fetched", 1)
rows[0].find_element(By.CSS_SELECTOR, ".item_status button").click()
# wait for the submitted assignments list to update
rows = _wait_for_list(browser, "submitted", 1)
assert rows[0].find_element(By.CLASS_NAME, "item_name").text == "Problem Set 1"
assert rows[0].find_element(By.CLASS_NAME, "item_course").text == "abc101"
rows = browser.find_elements(By.CSS_SELECTOR, "#nbgrader-abc101-Problem_Set_1-submissions > .list_item")
rows = rows[1:] # first row is empty
assert len(rows) == 1
@pytest.mark.nbextensions
@notwindows
def test_validate_ok(browser, port, class_files, tempdir):
_load_assignments_list(browser, port)
_wait_until_loaded(browser)
# choose the course "xyz 200"
_change_course(browser, "xyz 200")
# expand the assignment to show the notebooks
_wait_for_list(browser, "fetched", 1)
rows = _expand(browser, "#nbgrader-xyz_200-ps01", "ps.01")
rows.sort(key=_sort_rows)
assert len(rows) == 2
assert rows[1].find_element(By.CLASS_NAME, "item_name").text == "problem 1"
# click the "validate" button
rows[1].find_element(By.CSS_SELECTOR, ".item_status button").click()
# wait for the modal dialog to appear
_wait_for_modal(browser)
# check that it succeeded
browser.find_element(By.CSS_SELECTOR, ".modal-dialog .validation-success")
# close the modal dialog
_dismiss_modal(browser)
@pytest.mark.nbextensions
@notwindows
def test_validate_failure(browser, port, class_files, tempdir):
_load_assignments_list(browser, port)
_wait_until_loaded(browser)
# expand the assignment to show the notebooks
_wait_for_list(browser, "fetched", 1)
rows = _expand(browser, "#nbgrader-abc101-Problem_Set_1", "Problem Set 1")
rows.sort(key=_sort_rows)
assert len(rows) == 3
assert rows[1].find_element(By.CLASS_NAME, "item_name").text == "Problem 1"
assert rows[2].find_element(By.CLASS_NAME, "item_name").text == "Problem 2"
# click the "validate" button
rows[2].find_element(By.CSS_SELECTOR, ".item_status button").click()
# wait for the modal dialog to appear
_wait_for_modal(browser)
# check that it succeeded
browser.find_element(By.CSS_SELECTOR, ".modal-dialog .validation-failed")
# close the modal dialog
_dismiss_modal(browser)
@pytest.mark.nbextensions
@notwindows
def test_missing_exchange(exchange, browser, port, class_files, tempdir):
# remove the exchange directory and fetched assignments
rmtree(exchange)
rmtree(os.path.join(tempdir, "Problem Set 1"))
_load_assignments_list(browser, port)
_wait_until_loaded(browser)
# make sure all the errors are showing
_wait(browser).until(EC.visibility_of_element_located((By.CSS_SELECTOR, "#released_assignments_list_error")))
_wait(browser).until(EC.visibility_of_element_located((By.CSS_SELECTOR, "#fetched_assignments_list_error")))
_wait(browser).until(EC.visibility_of_element_located((By.CSS_SELECTOR, "#submitted_assignments_list_error")))
# verify that the dropdown list shows an error too
default = browser.find_element(By.CSS_SELECTOR, "#course_list_default")
assert default.text == "Error fetching courses!"
# recreate the exchange and make sure refreshing works as expected
os.makedirs(exchange)
# release an assignment
run_nbgrader(["generate_assignment", "Problem Set 1", "--force"])
run_nbgrader(["release_assignment", "Problem Set 1", "--course", "abc101", "--force"])
# click the refresh button
browser.find_element(By.CSS_SELECTOR, "#refresh_assignments_list").click()
_wait_until_loaded(browser)
# wait for the released assignments to update
rows = _wait_for_list(browser, "released", 1)
assert rows[0].find_element(By.CLASS_NAME, "item_name").text == "Problem Set 1"
assert rows[0].find_element(By.CLASS_NAME, "item_course").text == "abc101"