View all sets in OAI-PMH setting

Purpose:

A table with a list of existing OAI-PMH sets should show the main sets information to the user. It is a place of sets control and management.

User story statement:

As a system administrator,
I want to be able to view existing OAI-PMH sets
so that I can manage system set hierarchy easily

Scenarios:

1. Scenario - View sets

• Given user has permissions to view OAI-PMH settings
• When user goes to "Setting"=>"OAI-PMH"=>"Sets"
• Then a table (columns: Set, SetSpec, Description, Last updated) with a list of existing sets displays
• And sets are sorted by Last updated date (from newer to older) by default

2. Scenario - Maximum sets visible

• Given a great number of sets exists in the system
• When user opens sets list in "Setting"=>"OAI-PMH"=>"Sets"
• Then 100 or fewer sets are shown at once

3. Scenario - Pagination

• Given more than 100 sets exist in the system
• And 100 or fewer sets are shown at once
• When user clicks "Load more" button
• Then another 100 or fewer sets are appended to the previously displayed

4. Scenario - Empty sets

• Given there exists no set in the system
• When user opens sets list in "Setting"=>"OAI-PMH"=>"Sets"
• Then a message "There are no OAI-PMH Sets exist at the moment." is displayed instead of a table with sets

5. Scenario - Open set creation page

• Given user has permissions to edit OAI-PMH settings
• When user clicks "New" button
• Then user is redirected to the set creation page

6. Scenario - Lack of permissions

• Given user doesn't have permissions to edit OAI-PMH settings
• When user navigates to "Setting"=>"OAI-PMH"=>"Sets"
• Then the "New" button is hidden