import unittest from mock import Mock, patch from lti import ToolProxy import requests import json from oauthlib.oauth1 import SignatureOnlyEndpoint test_profile = {'@context': ['http://purl.imsglobal.org/ctx/lti/v2/ToolConsumerProfile'], '@id': 'https://canvas.instructure.com/api/lti/courses/1157004/tool_consumer_profile/339b6700-e4cb-47c5-a54f-3ee0064921a9', '@type': 'ToolConsumerProfile', 'capability_offered': ['basic-lti-launch-request', 'User.id', 'Canvas.api.domain', 'LtiLink.custom.url', 'ToolProxyBinding.custom.url', 'ToolProxy.custom.url', 'Canvas.placements.accountNavigation', 'Canvas.placements.courseNavigation', 'Canvas.placements.assignmentSelection', 'Canvas.placements.linkSelection', 'Canvas.placements.postGrades', 'User.username', 'Person.email.primary', 'vnd.Canvas.Person.email.sis', 'Person.name.given', 'Person.name.family', 'Person.name.full', 'CourseSection.sourcedId', 'Person.sourcedId', 'Membership.role', 'ToolConsumerProfile.url', 'Security.splitSecret', 'Context.id', 'ToolConsumerInstance.guid', 'CourseSection.sourcedId', 'Membership.role', 'Person.email.primary', 'Person.name.given', 'Person.name.family', 'Person.name.full', 'Person.sourcedId', 'User.id', 'User.image', 'Message.documentTarget', 'Message.locale', 'Context.id', 'vnd.Canvas.root_account.uuid'], 'guid': '339b6700-e4cb-47c5-a54f-3ee0064921a9', 'lti_version': 'LTI-2p0', 'product_instance': {'guid': '07adb3e60637ff02d9ea11c7c74f1ca921699bd7.canvas.instructure.com', 'product_info': {'product_family': {'code': 'canvas', 'vendor': {'code': 'https://instructure.com', 'timestamp': '2008-03-27T06:00:00Z', 'vendor_name': {'default_value': 'Instructure', 'key': 'vendor.name'}}}, 'product_name': {'default_value': 'Canvas ' 'by ' 'Instructure', 'key': 'product.name'}, 'product_version': 'none'}, 'service_owner': {'description': {'default_value': 'Free ' 'For ' 'Teachers', 'key': 'service_owner.description'}, 'service_owner_name': {'default_value': 'Free ' 'For ' 'Teachers', 'key': 'service_owner.name'}}}, 'security_profile': [{'digest_algorithm': 'HMAC-SHA1', 'security_profile_name': 'lti_oauth_hash_message_security'}, {'digest_algorithm': 'HS256', 'security_profile_name': 'oauth2_access_token_ws_security'}], 'service_offered': [{'@id': 'https://canvas.instructure.com/api/lti/courses/1157004/tool_consumer_profile/339b6700-e4cb-47c5-a54f-3ee0064921a9#ToolProxy.collection', '@type': 'RestService', 'action': ['POST'], 'endpoint': 'https://canvas.instructure.com/api/lti/courses/1157004/tool_proxy', 'format': ['application/vnd.ims.lti.v2.toolproxy+json']}, {'@id': 'https://canvas.instructure.com/api/lti/courses/1157004/tool_consumer_profile/339b6700-e4cb-47c5-a54f-3ee0064921a9#ToolProxy.item', '@type': 'RestService', 'action': ['GET'], 'endpoint': 'https://canvas.instructure.com/api/lti/tool_proxy/{tool_proxy_guid}', 'format': ['application/vnd.ims.lti.v2.toolproxy+json']}, {'@id': 'https://canvas.instructure.com/api/lti/courses/1157004/tool_consumer_profile/339b6700-e4cb-47c5-a54f-3ee0064921a9#vnd.Canvas.authorization', '@type': 'RestService', 'action': ['POST'], 'endpoint': 'https://canvas.instructure.com/api/lti/courses/1157004/authorize', 'format': ['application/json']}, {'@id': 'https://canvas.instructure.com/api/lti/courses/1157004/tool_consumer_profile/339b6700-e4cb-47c5-a54f-3ee0064921a9#ToolProxySettings', '@type': 'RestService', 'action': ['GET', 'PUT'], 'endpoint': 'https://canvas.instructure.com/api/lti/tool_settings/tool_proxy/{tool_proxy_id}', 'format': ['application/vnd.ims.lti.v2.toolsettings+json', 'application/vnd.ims.lti.v2.toolsettings.simple+json']}, {'@id': 'https://canvas.instructure.com/api/lti/courses/1157004/tool_consumer_profile/339b6700-e4cb-47c5-a54f-3ee0064921a9#ToolProxyBindingSettings', '@type': 'RestService', 'action': ['GET', 'PUT'], 'endpoint': 'https://canvas.instructure.com/api/lti/tool_settings/bindings/{binding_id}', 'format': ["application/vnd.ims.lti.v2.toolsettings+json'", 'application/vnd.ims.lti.v2.toolsettings.simple+json']}, {'@id': 'https://canvas.instructure.com/api/lti/courses/1157004/tool_consumer_profile/339b6700-e4cb-47c5-a54f-3ee0064921a9#LtiLinkSettings', '@type': 'RestService', 'action': ['GET', 'PUT'], 'endpoint': 'https://canvas.instructure.com/api/lti/tool_settings/links/{tool_proxy_id}', 'format': ['application/vnd.ims.lti.v2.toolsettings+json', 'application/vnd.ims.lti.v2.toolsettings.simple+json']}]} test_params = {'ext_api_domain': 'canvas.instructure.com', 'ext_tool_consumer_instance_guid': '07adb3e60637ff02d9ea11c7c74f1ca921699bd7.canvas.instructure.com', 'launch_presentation_document_target': 'iframe', 'launch_presentation_return_url': 'https://canvas.instructure.com/courses/1157004/lti/registration_return', 'lti_message_type': 'ToolProxyRegistrationRequest', 'lti_version': 'LTI-2p0', 'reg_key': 'eb9031ac-2e12-422e-8238-beb9c41419b3', 'reg_password': 'f781d41d-6f9e-4b02-b11b-fe4ffa704ac1', 'tc_profile_url': 'https://canvas.instructure.com/api/lti/courses/1157004/tool_consumer_profile'} class TestToolProxy(unittest.TestCase): def test_load_tc_profile(self): #Mock out the call to the requests library response = Mock() response.text = json.dumps(test_profile) proxy = ToolProxy(params=test_params) with patch('lti.tool_proxy.requests.get') as mock_get: mock_get.return_value = response proxy.load_tc_profile() self.assertEqual(proxy.tc_profile, test_profile) def test_tool_consumer_profile_url(self): proxy = ToolProxy(params=test_params) self.assertEqual(proxy.tool_consumer_profile_url, test_params['tc_profile_url']) def test_find_registration_url(self): proxy = ToolProxy(params=test_params) proxy.tc_profile = test_profile registration_url = proxy.find_registration_url() self.assertEqual(registration_url, 'https://canvas.instructure.com/api/lti/courses/1157004/tool_proxy') def test_not_find_registration_url(self): proxy = ToolProxy(params=test_params) proxy.tc_profile = {'@context': ['http://purl.imsglobal.org/ctx/lti/v2/ToolConsumerProfile'], '@id': 'https://canvas.instructure.com/api/lti/courses/1157004/tool_consumer_profile/339b6700-e4cb-47c5-a54f-3ee0064921a9', '@type': 'ToolConsumerProfile', 'capability_offered': ['basic-lti-launch-request', 'vnd.Canvas.root_account.uuid'], 'guid': '339b6700-e4cb-47c5-a54f-3ee0064921a9', 'lti_version': 'LTI-2p0', 'product_instance': {'guid': '07adb3e60637ff02d9ea11c7c74f1ca921699bd7.canvas.instructure.com', 'product_info': {'product_family': {'code': 'canvas', 'vendor': {'code': 'https://instructure.com', 'timestamp': '2008-03-27T06:00:00Z', 'vendor_name': {'default_value': 'Instructure', 'key': 'vendor.name'}}}, 'product_name': {'default_value': 'Canvas ' 'by ' 'Instructure', 'key': 'product.name'}, 'product_version': 'none'}, 'service_owner': {'description': {'default_value': 'Free ' 'For ' 'Teachers', 'key': 'service_owner.description'}, 'service_owner_name': {'default_value': 'Free ' 'For ' 'Teachers', 'key': 'service_owner.name'}}}, 'security_profile': [{'digest_algorithm': 'HMAC-SHA1', 'security_profile_name': 'lti_oauth_hash_message_security'}, {'digest_algorithm': 'HS256', 'security_profile_name': 'oauth2_access_token_ws_security'}], 'service_offered': [{'@id': 'https://canvas.instructure.com/api/lti/courses/1157004/tool_consumer_profile/339b6700-e4cb-47c5-a54f-3ee0064921a9#ToolProxy.item', '@type': 'RestService', 'action': ['GET'], 'endpoint': 'https://canvas.instructure.com/api/lti/tool_proxy/{tool_proxy_guid}', 'format': ['application/vnd.ims.lti.v2.toolproxy+json']}, {'@id': 'https://canvas.instructure.com/api/lti/courses/1157004/tool_consumer_profile/339b6700-e4cb-47c5-a54f-3ee0064921a9#vnd.Canvas.authorization', '@type': 'RestService', 'action': ['POST'], 'endpoint': 'https://canvas.instructure.com/api/lti/courses/1157004/authorize', 'format': ['application/json']}, {'@id': 'https://canvas.instructure.com/api/lti/courses/1157004/tool_consumer_profile/339b6700-e4cb-47c5-a54f-3ee0064921a9#ToolProxySettings', '@type': 'RestService', 'action': ['GET', 'PUT'], 'endpoint': 'https://canvas.instructure.com/api/lti/tool_settings/tool_proxy/{tool_proxy_id}', 'format': ['application/vnd.ims.lti.v2.toolsettings+json', 'application/vnd.ims.lti.v2.toolsettings.simple+json']}, {'@id': 'https://canvas.instructure.com/api/lti/courses/1157004/tool_consumer_profile/339b6700-e4cb-47c5-a54f-3ee0064921a9#ToolProxyBindingSettings', '@type': 'RestService', 'action': ['GET', 'PUT'], 'endpoint': 'https://canvas.instructure.com/api/lti/tool_settings/bindings/{binding_id}', 'format': ["application/vnd.ims.lti.v2.toolsettings+json'", 'application/vnd.ims.lti.v2.toolsettings.simple+json']}, {'@id': 'https://canvas.instructure.com/api/lti/courses/1157004/tool_consumer_profile/339b6700-e4cb-47c5-a54f-3ee0064921a9#LtiLinkSettings', '@type': 'RestService', 'action': ['GET', 'PUT'], 'endpoint': 'https://canvas.instructure.com/api/lti/tool_settings/links/{tool_proxy_id}', 'format': ['application/vnd.ims.lti.v2.toolsettings+json', 'application/vnd.ims.lti.v2.toolsettings.simple+json']}]} registration_url = proxy.find_registration_url() self.assertIsNone(registration_url) def test_register_proxy(self): proxy = ToolProxy(params=test_params) proxy.tc_profile = test_profile signed_request = proxy.register_proxy({'tool_profile': 'A Real Tool Profile Goes here'}) self.assertIsInstance(signed_request, requests.PreparedRequest)