Before this commit, is_empty() was being applied before returning
the mock response. But we want to be able to mock the empty response
for some tests, hence moving the condition to null/isset, that is
the value that array_pop() returns where there aren't more elements
in the array.
With that change performed, we can test lti_load_cartridge() with
empty responses, hence adding a new test for that.
Sometimes (detected with Windows, when running @ GHA), both the
response and the error of a curl request to non-existing URL
returns the empty string.
In that case, we cannot call to DOMDocument::loadXML() because the
1st param cannot be empty. So here, whenever that happens, we are
throwing the moodle_exception earlier, instead of waiting for the
XML errors to be processed later.
Three modes are initially introduced here, for use by dependent code:
1. Automatic - where accounts will be automatically created for users
2. Prompt new or existing - where the user can choose to use an existing
account or have a new account created for them.
3. Prompt existing only - where users must link an existing account.
This change also adds linked logins, for use with provisioning.
- Allow the tool to generate secure, one time, dynamic registration
URLs for use in supporting platforms.
- Registration endpoint, which validates the one time URL, makes
the registration requqest to the platform and adds the approriate
tool registration changes in the tool on success.
- Admin settings pages make use of the 'copy to clipboard' module
which is now in core.
This change adds a new grade sync task for LTI Advantage and updates
the legacy task such that it only operates on legacy tools. This uses
the assignment and grades service 2.0.
This change adds a new member sync task for LTI Advantage and updates
the legacy task such that it only operates on legacy tools. This uses
the names and roles provisioning service 2.0.
This change includes:
- LTI Advantage specific code in delete_instance().
- LTI version field added to publish as lti tool form.
- LTI Advantage specific uuid added to add_instance().
- Moved secret validation (LTI1.1/2.0) to server side, allowing
the element to be hidden in LTI Advantage cases.
