Convert test for saving with complex name to Selenium

Author: takluyver

notebook/tests/notebook/save.js

@@ -0,0 +1,65 @@
+"""Test saving a notebook with escaped characters
+"""
+
+from urllib.parse import quote
+from .utils import wait_for_selector, new_window
+
+promise_js = """
+var done = arguments[arguments.length - 1];
+%s.then(
+    data => { done(["success", data]); },
+    error => { done(["error", error]); }
+);
+"""
+
+def execute_promise(js, browser):
+    state, data = browser.execute_async_script(promise_js % js)
+    if state == 'success':
+        return data
+    raise Exception(data)
+
+
+def test_save(notebook):
+    # don't use unicode with ambiguous composed/decomposed normalization
+    # because the filesystem may use a different normalization than literals.
+    # This causes no actual problems, but will break string comparison.
+    nbname = "has#hash and space and unicø∂e.ipynb"
+    escaped_name = quote(nbname)
+
+    notebook.edit_cell(index=0, content="s = '??'")
+
+    notebook.browser.execute_script("Jupyter.notebook.set_notebook_name(arguments[0])", nbname)
+
+    model = execute_promise("Jupyter.notebook.save_notebook()", notebook.browser)
+    assert model['name'] == nbname
+
+    current_name = notebook.browser.execute_script("return Jupyter.notebook.notebook_name")
+    assert current_name == nbname
+
+    current_path = notebook.browser.execute_script("return Jupyter.notebook.notebook_path")
+    assert current_path == nbname
+
+    displayed_name = notebook.browser.find_element_by_id('notebook_name').text
+    assert displayed_name + '.ipynb' == nbname
+
+    execute_promise("Jupyter.notebook.save_checkpoint()", notebook.browser)
+
+    checkpoints = notebook.browser.execute_script("return Jupyter.notebook.checkpoints")
+    assert len(checkpoints) == 1
+
+    notebook.browser.find_element_by_css_selector('#ipython_notebook a').click()
+    hrefs_nonmatch = []
+    for link in wait_for_selector(notebook.browser, 'a.item_link'):
+        href = link.get_attribute('href')
+        if escaped_name in href:
+            print("Opening", href)
+            notebook.browser.get(href)
+            wait_for_selector(notebook.browser, '.cell')
+            break
+        hrefs_nonmatch.append(href)
+    else:
+        raise AssertionError("{!r} not found in {!r}"
+                             .format(escaped_name, hrefs_nonmatch))
+
+    current_name = notebook.browser.execute_script("return Jupyter.notebook.notebook_name")
+    assert current_name == nbname