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edx-ora2
Commit b08164df by Will Daly
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Refactor Studio editing JavaScript to make it easier to test 

Add JavaScript tests for Studio editing and XBlock server interaction
Refactor student-facing JS views to use JS server interface.
manage.py test runs JavaScript tests
Fix data type issue for rendering peer/self/grade on page load
parent 7d4952d9
Showing with 545 additions and 127 deletions
.gitignore
......@@ -48,3 +48,4 @@ htmlcov
# node
node_modules
npm-debug.log
coverage
.travis.yml
......@@ -4,7 +4,6 @@ python:
install:
- "pip install -r requirements/test.txt --use-mirrors"
- "pip install -e ."
- "npm install"
before_script:
- export DISPLAY=:99.0
- sh -e /etc/init.d/xvfb start
......@@ -12,7 +11,6 @@ before_script:
script:
- "python manage.py test"
- "python manage.py harvest"
- "npm test"
- "python setup.py install"
after_success:
coveralls
README.rst
......@@ -27,18 +27,12 @@ up in the XBlock workbench.
Running Tests
=============
To run the Python test suite:
To run the unit test suite:
.. code:: bash
python manage.py test
To run the JavaScript test suite (after installing `node <http://nodejs.org/download/>`_)
.. code:: bash
npm install && npm test
License
=======
......
apps/openassessment/xblock/openassessmentblock.py
......@@ -252,6 +252,7 @@ class OpenAssessmentBlock(XBlock, SubmissionMixin, PeerAssessmentMixin, SelfAsse
context = Context(context_dict)
frag = Fragment(template.render(context))
frag.add_css(load("static/css/openassessment.css"))
frag.add_javascript(load("static/js/src/oa_server.js"))
frag.add_javascript(load("static/js/src/oa_base.js"))
frag.initialize_js('OpenAssessmentBlock')
return frag
......
apps/openassessment/xblock/static/js/lib/codemirror-compressed.js deleted 100644 → 0
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fb=window.getSelection?function(a){try{return a.selectionStart!=a.selectionEnd}catch(b){return!1}}:function(a){try{var b=a.ownerDocument.selection.createRange()}catch(c){}return b&&b.parentElement()==a?0!=b.compareEndPoints("StartToEnd",b):!1};a.defineMode("null",function(){return{token:function(a){a.skipToEnd()}}}),a.defineMIME("text/plain","null");var gb={3:"Enter",8:"Backspace",9:"Tab",13:"Enter",16:"Shift",17:"Ctrl",18:"Alt",19:"Pause",20:"CapsLock",27:"Esc",32:"Space",33:"PageUp",34:"PageDown",35:"End",36:"Home",37:"Left",38:"Up",39:"Right",40:"Down",44:"PrintScrn",45:"Insert",46:"Delete",59:";",91:"Mod",92:"Mod",93:"Mod",127:"Delete",186:";",187:"=",188:",",189:"-",190:".",191:"/",192:"`",219:"[",220:"\\",221:"]",222:"'",63276:"PageUp",63277:"PageDown",63275:"End",63273:"Home",63234:"Left",63232:"Up",63235:"Right",63233:"Down",63302:"Insert",63272:"Delete"};return a.keyNames=gb,function(){for(var a=0;10>a;a++)gb[a+48]=String(a);for(var a=65;90>=a;a++)gb[a]=String.fromCharCode(a);for(var a=1;12>=a;a++)gb[a+111]=gb[a+63235]="F"+a}(),a}();CodeMirror.defineMode("xml",function(a,b){function h(a,b){function c(c){return b.tokenize=c,c(a,b)}var d=a.next();if("<"==d){if(a.eat("!"))return a.eat("[")?a.match("CDATA[")?c(k("atom","]]>")):null:a.match("--")?c(k("comment","-->")):a.match("DOCTYPE",!0,!0)?(a.eatWhile(/[\w\._\-]/),c(l(1))):null;if(a.eat("?"))return a.eatWhile(/[\w\._\-]/),b.tokenize=k("meta","?>"),"meta";g=a.eat("/")?"closeTag":"openTag",a.eatSpace(),f="";for(var e;e=a.eat(/[^\s\u00a0=<>\"\'\/?]/);)f+=e;return b.tokenize=i,"tag"}if("&"==d){var h;return h=a.eat("#")?a.eat("x")?a.eatWhile(/[a-fA-F\d]/)&&a.eat(";"):a.eatWhile(/[\d]/)&&a.eat(";"):a.eatWhile(/[\w\.\-:]/)&&a.eat(";"),h?"atom":"error"}return a.eatWhile(/[^&<]/),null}function i(a,b){var 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apps/openassessment/xblock/static/js/lib/codemirror.js 0 → 100644
This source diff could not be displayed because it is too large. You can view the blob instead.
apps/openassessment/xblock/static/js/spec/oa_edit.js
......@@ -2,9 +2,49 @@
Tests for OA XBlock editing.
*/
describe("OpenAssessment editor", function() {
describe("OpenAssessment.StudioUI", function() {
var runtime = null;
var runtime = {
notify: function(type, data) {}
};
// Stub server that returns dummy data or reports errors.
var StubServer = function() {
this.loadError = false;
this.updateError = false;
this.xml = '<openassessment></openassessment>';
this.errorPromise = $.Deferred(function(defer) {
defer.rejectWith(this, ['Test error']);
}).promise();
this.loadXml = function() {
var xml = this.xml;
if (!this.loadError) {
return $.Deferred(function(defer) {
defer.resolveWith(this, [xml]);
}).promise();
}
else {
return this.errorPromise;
}
}
this.updateXml = function(xml) {
if (!this.updateError) {
this.xml = xml;
return $.Deferred(function(defer) {
defer.resolve();
}).promise();
}
else {
return this.errorPromise;
}
}
};
var server = null;
var ui = null;
beforeEach(function() {
......@@ -12,47 +52,56 @@ describe("OpenAssessment editor", function() {
jasmine.getFixtures().fixturesPath = 'base/fixtures'
loadFixtures('oa_edit.html');
// Mock the runtime
runtime = {
notify: function(type, data) {},
// Create the stub server
server = new StubServer();
// Dummy handler URL returns whatever it's passed in for the handler name
handlerUrl: function(element, handler) {
return handler;
}
};
// Mock the runtime
spyOn(runtime, 'notify');
// Create the object under test
var el = $('#openassessment-edit').get(0);
ui = new OpenAssessment.StudioUI(runtime, el, server);
});
it("loads the XML definition", function() {
// Stub AJAX calls to always return successful
spyOn($, 'ajax').andCallFake(function(params) {
params.success({
'success': true,
'xml': '<openassessment></openassessment>',
'msg': ''
});
});
// Initialize the editor
var editor = OpenAssessmentEditor(runtime, $('#openassessment-edit'));
// Initialize the UI
ui.load()
// Expect that the XML definition was loaded
var editorContents = $('.openassessment-editor').text();
expect(editorContents).toEqual('<openassessment></openassessment>');
var contents = ui.codeBox.getValue();
expect(contents).toEqual('<openassessment></openassessment>');
});
it("saves the XML definition", function() {
expect(false).toBe(true);
// Update the XML
ui.codeBox.setValue('<openassessment>test!</openassessment>');
// Save the updated XML
ui.save();
// Expect the saving notification to start/end
expect(runtime.notify).toHaveBeenCalledWith('save', {state: 'start'});
expect(runtime.notify).toHaveBeenCalledWith('save', {state: 'end'});
// Expect the server's XML to have been updated
expect(server.xml).toEqual('<openassessment>test!</openassessment>');
});
it("cancels editing", function() {
ui.cancel();
expect(runtime.notify).toHaveBeenCalledWith('cancel', {});
});
it("reverts the XML definition on cancellation", function() {
expect(false).toBe(true);
it("displays an error when server reports a load XML error", function() {
server.loadError = true;
ui.load();
expect(runtime.notify).toHaveBeenCalledWith('error', {msg: 'Test error'});
});
it("displays validation errors but preserves the author's changes", function() {
expect(false).toBe(true);
it("displays an error when server reports an update XML error", function() {
server.updateError = true;
ui.save('<openassessment>test!</openassessment>');
expect(runtime.notify).toHaveBeenCalledWith('error', {msg: 'Test error'});
});
});
apps/openassessment/xblock/static/js/spec/oa_server.js 0 → 100644
/*
Tests for OA XBlock server interactions.
*/
describe("OpenAssessment.Server", function() {
// Stub runtime implementation that returns the handler as the URL
var runtime = {
handlerUrl: function(element, handler) { return "/" + handler }
}
var server = null;
/**
Stub AJAX requests.
Args:
success (bool): If true, return a promise that resolves;
otherwise, return a promise that fails.
responseData(object): Data to pass to the caller if the AJAX
call completes successfully.
**/
var stubAjax = function(success, responseData) {
spyOn($, 'ajax').andReturn(
$.Deferred(function(defer) {
if (success) { defer.resolveWith(this, [responseData]); }
else { defer.reject() }
}).promise()
);
}
beforeEach(function() {
// Create the server
// Since the runtime is a stub implementation that ignores the element passed to it,
// we can set the element parameter to null.
server = new OpenAssessment.Server(runtime, null);
});
it("Renders the XBlock as HTML", function() {
stubAjax(true, "<div>Open Assessment</div>");
var loadedHtml = "";
server.render('submission').done(function(html) {
loadedHtml = html;
});
expect(loadedHtml).toEqual("<div>Open Assessment</div>");
expect($.ajax).toHaveBeenCalledWith({
url: '/render_submission', type: "POST", dataType: "html"
});
});
it("Sends a submission the XBlock", function() {
// Status, student ID, attempt number
stubAjax(true, [true, 1, 2]);
var receivedStudentId = null;
var receivedAttemptNum = null;
server.submit("This is only a test").done(
function(studentId, attemptNum) {
receivedStudentId = studentId;
receivedAttemptNum = attemptNum;
}
);
expect(receivedStudentId).toEqual(1);
expect(receivedAttemptNum).toEqual(2);
expect($.ajax).toHaveBeenCalledWith({
url: '/submit',
type: "POST",
data: {submission: "This is only a test"}
});
});
it("loads the XBlock's XML definition", function() {
stubAjax(true, { success: true, xml: "<openassessment />" });
var loadedXml = "";
server.loadXml().done(function(xml) {
loadedXml = xml;
});
expect(loadedXml).toEqual('<openassessment />');
expect($.ajax).toHaveBeenCalledWith({
url: '/xml', type: "POST", data: '""'
});
});
it("updates the XBlock's XML definition", function() {
stubAjax(true, { success: true });
server.updateXml('<openassessment />');
expect($.ajax).toHaveBeenCalledWith({
url: '/update_xml', type: "POST",
data: JSON.stringify({xml: '<openassessment />'})
});
});
it("informs the caller of an Ajax error when rendering as HTML", function() {
stubAjax(false, null);
var receivedMsg = "";
server.render('submission').fail(function(msg) {
receivedMsg = msg;
});
expect(receivedMsg).toEqual("Could not contact server.");
});
it("informs the caller of an Ajax error when sending a submission", function() {
stubAjax(false, null);
var receivedErrorCode = "";
var receivedErrorMsg = "";
server.submit('This is only a test.').fail(
function(errorCode, errorMsg) {
receivedErrorCode = errorCode;
receivedErrorMsg = errorMsg;
}
);
expect(receivedErrorCode).toEqual("AJAX");
expect(receivedErrorMsg).toEqual("Could not contact server.");
});
it("informs the caller of an server error when sending a submission", function() {
stubAjax(true, [false, "ENODATA", "Error occurred!"]);
var receivedErrorCode = "";
var receivedErrorMsg = "";
server.submit('This is only a test.').fail(
function(errorCode, errorMsg) {
receivedErrorCode = errorCode;
receivedErrorMsg = errorMsg;
}
);
expect(receivedErrorCode).toEqual("ENODATA");
expect(receivedErrorMsg).toEqual("Error occurred!");
});
it("informs the caller of an Ajax error when loading XML", function() {
stubAjax(false, null);
var receivedMsg = null;
server.loadXml().fail(function(msg) {
receivedMsg = msg;
});
expect(receivedMsg).toEqual("Could not contact server.");
});
it("informs the caller of an Ajax error when updating XML", function() {
stubAjax(false, null);
var receivedMsg = null;
server.updateXml('test').fail(function(msg) {
receivedMsg = msg;
});
expect(receivedMsg).toEqual("Could not contact server.");
});
it("informs the caller of a server error when loading XML", function() {
stubAjax(true, { success: false, msg: "Test error" });
var receivedMsg = null;
server.updateXml('test').fail(function(msg) {
receivedMsg = msg;
});
expect(receivedMsg).toEqual("Test error");
});
it("informs the caller of a server error when updating XML", function() {
stubAjax(true, { success: false, msg: "Test error" });
var receivedMsg = null;
server.loadXml().fail(function(msg) {
receivedMsg = msg;
});
expect(receivedMsg).toEqual("Test error");
});
});
apps/openassessment/xblock/static/js/src/oa_base.js
......@@ -123,6 +123,7 @@ function OpenAssessmentBlock(runtime, element) {
$.ajax({
type: "POST",
url: renderPeerUrl,
dataType: "html",
success: function(data) {
$(peerListItem, element).replaceWith(data);
collapse($(peerListItem, element));
......@@ -132,6 +133,7 @@ function OpenAssessmentBlock(runtime, element) {
$.ajax({
type: "POST",
url: renderSelfUrl,
dataType: "html",
success: function(data) {
$(selfListItem, element).replaceWith(data);
collapse($(selfListItem, element));
......@@ -140,6 +142,7 @@ function OpenAssessmentBlock(runtime, element) {
$.ajax({
type: "POST",
dataType: "html",
url: renderGradeUrl,
success: function(data) {
$(gradeListItem, element).replaceWith(data);
......
apps/openassessment/xblock/static/js/src/oa_edit.js
/* JavaScript for Studio editing view of Open Assessment XBlock */
function OpenAssessmentEditor(runtime, element) {
function displayError(errorMsg) {
runtime.notify('error', {msg: errorMsg});
}
// Update editor with the XBlock's current content
function updateEditorFromXBlock(editor) {
$.ajax({
type: "POST",
url: runtime.handlerUrl(element, 'xml'),
data: "\"\"",
success: function(data) {
if (data.success) {
editor.setValue(data.xml);
}
else {
displayError(data.msg);
}
/* Namespace for open assessment */
if (typeof OpenAssessment == "undefined" || !OpenAssessment) {
OpenAssessment = {};
}
/**
Interface for editing UI in Studio.
The constructor initializes the DOM for editing.
Args:
runtime (Runtime): an XBlock runtime instance.
element (DOM element): The DOM element representing this XBlock.
server (OpenAssessment.Server): The interface to the XBlock server.
Returns:
OpenAssessment.StudioUI
**/
OpenAssessment.StudioUI = function(runtime, element, server) {
this.runtime = runtime;
this.server = server;
// Initialize the code box
this.codeBox = CodeMirror.fromTextArea(
$(element).find('.openassessment-editor').first().get(0),
{mode: "xml", lineNumbers: true, lineWrapping: true}
);
// Install click handlers
var ui = this;
$(element).find('.openassessment-save-button').click(
function(eventData) {
ui.save();
});
$(element).find('.openassessment-cancel-button').click(
function(eventData) {
ui.cancel();
});
};
OpenAssessment.StudioUI.prototype = {
/**
Load the XBlock XML definition from the server and display it in the UI.
**/
load: function() {
var ui = this;
this.server.loadXml().done(
function(xml) {
ui.codeBox.setValue(xml);
}).fail(function(msg) {
ui.showError(msg);
}
);
},
/**
Save the updated XML definition to the server.
**/
save: function() {
// Notify the client-side runtime that we are starting
// to save so it can show the "Saving..." notification
this.runtime.notify('save', {state: 'start'});
// Send the updated XML to the server
var xml = this.codeBox.getValue();
var ui = this;
this.server.updateXml(xml).done(function() {
// Notify the client-side runtime that we finished saving
// so it can hide the "Saving..." notification.
ui.runtime.notify('save', {state: 'end'});
}).fail(function(msg) {
ui.showError(msg);
});
}
},
function initializeEditor() {
var textAreas = $(element).find('.openassessment-editor');
if (textAreas.length < 1) {
console.warn("Could not find element for OpenAssessmentBlock XML editor");
return null;
}
else {
return CodeMirror.fromTextArea(
textAreas[0], {mode: "xml", lineNumbers: true, lineWrapping: true}
);
}
}
/**
Cancel editing.
**/
cancel: function() {
// Notify the client-side runtime so it will close the editing modal.
this.runtime.notify('cancel', {});
},
function initializeSaveButton(editor) {
saveButtons = $(element).find('.openassessment-save-button');
if (saveButtons.length < 1) {
console.warn("Could not find element for OpenAssessmentBlock save button");
}
else {
saveButtons.click(function (eventObject) {
// Notify the client-side runtime that we are starting
// to save so it can show the "Saving..." notification
runtime.notify('save', {state: 'start'});
// POST the updated description to the XBlock
// The server-side code is responsible for validating and persisting
// the updated content.
$.ajax({
type: "POST",
url: runtime.handlerUrl(element, 'update_xml'),
data: JSON.stringify({ xml: editor.getValue() }),
success: function(data) {
// Notify the client-side runtime that we finished saving
// so it can hide the "Saving..." notification.
if (data.success) {
runtime.notify('save', {state: 'end'});
}
// Display an error alert if any errors occurred
else {
displayError(data.msg);
}
}
});
});
}
}
/**
Display an error message to the user.
function initializeCancelButton(editor) {
cancelButtons = $(element).find('.openassessment-cancel-button');
if (cancelButtons.length < 1) {
console.warn("Could not find element for OpenAssessmentBlock cancel button");
}
else {
cancelButtons.click(function (eventObject) {
// Revert to the XBlock's current content
updateEditorFromXBlock(editor);
// Notify the client-side runtime so it will close the editing modal.
runtime.notify('cancel', {});
});
}
Args:
errorMsg (string): The error message to display.
**/
showError: function(errorMsg) {
this.runtime.notify('error', {msg: errorMsg});
}
};
/* XBlock entry point for Studio view */
function OpenAssessmentEditor(runtime, element) {
$(function ($) {
editor = initializeEditor();
if (editor) {
updateEditorFromXBlock(editor);
initializeSaveButton(editor);
initializeCancelButton(editor);
}
/**
Initialize the editing interface on page load.
**/
$(function($) {
var server = new OpenAssessment.Server(runtime, element);
var ui = new OpenAssessment.StudioUI(runtime, element, server);
ui.load();
});
}
apps/openassessment/xblock/static/js/src/oa_server.js 0 → 100644
/* JavaScript interface for interacting with server-side OpenAssessment XBlock */
/* Namespace for open assessment */
if (typeof OpenAssessment == "undefined" || !OpenAssessment) {
OpenAssessment = {};
}
/**
Interface for server-side XBlock handlers.
Args:
runtime (Runtime): An XBlock runtime instance.
element (DOM element): The DOM element representing this XBlock.
Returns:
OpenAssessment.Server
**/
OpenAssessment.Server = function(runtime, element) {
this.runtime = runtime;
this.element = element;
};
OpenAssessment.Server.prototype = {
/**
Construct the URL for the handler, specific to one instance of the XBlock on the page.
Args:
handler (string): The name of the XBlock handler.
Returns:
URL (string)
**/
url: function(handler) {
return this.runtime.handlerUrl(this.element, handler);
},
/**
Render the XBlock.
Args:
component (string): The component to render.
Returns:
A JQuery promise, which resolves with the HTML of the rendered XBlock
and fails with an error message.
Example:
server.render('submission').done(
function(html) { console.log(html); }
).fail(
function(err) { console.log(err); }
)
**/
render: function(component) {
var url = this.url('render_' + component);
return $.Deferred(function(defer) {
$.ajax({
url: url,
type: "POST",
dataType: "html"
}).done(function(data) {
defer.resolveWith(this, [data]);
}).fail(function(data) {
defer.rejectWith(this, ['Could not contact server.']);
})
}).promise();
},
/**
Send a submission to the XBlock.
Args:
submission (string): The text of the student's submission.
Returns:
A JQuery promise, which resolves with the student's ID and attempt number
if the call was successful and fails with an status code and error message otherwise.
**/
submit: function(submission) {
var url = this.url('submit');
return $.Deferred(function(defer) {
$.ajax({
type: "POST",
url: url,
data: {submission: submission}
}).done(function(data) {
var success = data[0];
if (success) {
var studentId = data[1];
var attemptNum = data[2];
defer.resolveWith(this, [studentId, attemptNum]);
}
else {
var errorNum = data[1];
var errorMsg = data[2];
defer.rejectWith(this, [errorNum, errorMsg]);
}
}).fail(function(data) {
defer.rejectWith(this, ["AJAX", "Could not contact server."]);
})
}).promise();
},
/**
Load the XBlock's XML definition from the server.
Returns:
A JQuery promise, which resolves with the XML definition
and fails with an error message.
Example:
server.loadXml().done(
function(xml) { console.log(xml); }
).fail(
function(err) { console.log(err); }
);
**/
loadXml: function() {
var url = this.url('xml');
return $.Deferred(function(defer) {
$.ajax({
type: "POST", url: url, data: "\"\""
}).done(function(data) {
if (data.success) { defer.resolveWith(this, [data.xml]); }
else { defer.rejectWith(this, [data.msg]); }
}).fail(function(data) {
defer.rejectWith(this, ['Could not contact server.']);
});
}).promise();
},
/**
Update the XBlock's XML definition on the server.
Returns:
A JQuery promise, which resolves with no arguments
and fails with an error message.
Example usage:
server.updateXml(xml).done(
function() {}
).fail(
function(err) { console.log(err); }
);
**/
updateXml: function(xml) {
var url = this.url('update_xml');
var payload = JSON.stringify({xml: xml});
return $.Deferred(function(defer) {
$.ajax({
type: "POST", url: url, data: payload
}).done(function(data) {
if (data.success) { defer.resolve() }
else { defer.rejectWith(this, [data.msg]); }
}).fail(function(data) {
defer.rejectWith(this, ['Could not contact server.']);
});
}).promise();
}
};
apps/openassessment/xblock/studio_mixin.py
......@@ -38,6 +38,7 @@ class StudioMixin(object):
"""
rendered_template = get_template('openassessmentblock/oa_edit.html').render(Context({}))
frag = Fragment(rendered_template)
frag.add_javascript(pkg_resources.resource_string(__name__, "static/js/src/oa_server.js"))
frag.add_javascript(pkg_resources.resource_string(__name__, "static/js/src/oa_edit.js"))
frag.initialize_js('OpenAssessmentEditor')
return frag
......
karma.conf.js
......@@ -36,15 +36,18 @@ module.exports = function(config) {
// preprocess matching files before serving them to the browser
// available preprocessors: https://npmjs.org/browse/keyword/karma-preprocessor
preprocessors: {
'src/*.js': 'coverage'
},
// test results reporter to use
// possible values: 'dots', 'progress'
// available reporters: https://npmjs.org/browse/keyword/karma-reporter
reporters: ['progress'],
reporters: ['progress', 'coverage'],
coverageReporter: {
type : 'text'
},
// web server port
port: 9876,
......@@ -73,4 +76,5 @@ module.exports = function(config) {
singleRun: true
});
};
manage.py
......@@ -15,3 +15,7 @@ if __name__ == "__main__":
from django.core.management import execute_from_command_line
execute_from_command_line(sys.argv)
# Execute JavaScript tests
if 'test' in sys.argv:
os.system('npm install && npm test')
package.json
......@@ -2,6 +2,7 @@
"devDependencies": {
"karma": "~0.11",
"karma-jasmine": "0.1.3",
"karma-coverage": "0.1.5",
"karma-firefox-launcher": "~0.1.3"
},
"scripts": {
......
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