grade_report_showcalculations
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To test this you will need a course with at least one category or manual grade item.
Check grade_report_showcalculations is enabled.
Check that "Show calculations" is set to "report default (yes)" in the grader report preferences.
Now in the grader report turn editing on. Check you get a calculator icon in the controls row for your category or manual grade item.
Go to a gradebook set up screen (formerly categories and items). Check that you get a calculator icon in the row for the manual grade item and in the category total row.
Turn off the grade_report_showcalculations site setting.
The grader preferences should now show "report default (no)".
No calculator icons should be displayed on either the grader report or the setup screen.
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grade_overridecat
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With grade_overridecat enabled a teacher/admin should be able to go to the grader report and override category totals with both ajax and non-ajax.
With grade_overridecat disabled...
With grader report ajax turned off, turning on edit mode should not show a text box for categories.
With grader report ajax turned on and editing mode off, clicking a category shouldn't do anything while clicking an activity results in a text box appearing.
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grade_report_showmin
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Go to the grader report and turn editing on.
Click the cog/settings icons for an activity and a category (open them both in a new window).
When grade_report_showmin is on 'minimum grade' should be present on both of those screens.
When grade_report_showmin is off 'minimum grade' should not appear.
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