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test_mw.echo.dm.NotificationGroupsList.js
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test_mw.echo.dm.NotificationGroupsList.js
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QUnit.module( 'ext.echo.dm - NotificationGroupsList' );
QUnit.test( 'Constructing the model', ( assert ) => {
const model = new mw.echo.dm.NotificationGroupsList();
assert.strictEqual(
model.getTimestamp(),
0,
'Empty group has timestamp 0'
);
} );
QUnit.test( 'Managing lists', ( assert ) => {
const model = new mw.echo.dm.NotificationGroupsList();
const groupDefinitions = [
{
name: 'foo',
sourceData: {
title: 'Foo Wiki',
base: 'http://foo.wiki.sample/$1'
},
items: [
new mw.echo.dm.NotificationItem( 0 ),
new mw.echo.dm.NotificationItem( 1 ),
new mw.echo.dm.NotificationItem( 2 )
]
},
{
name: 'bar',
sourceData: {
title: 'Bar Wiki',
base: 'http://bar.wiki.sample/$1'
},
items: [
new mw.echo.dm.NotificationItem( 3 ),
new mw.echo.dm.NotificationItem( 4 ),
new mw.echo.dm.NotificationItem( 5 ),
new mw.echo.dm.NotificationItem( 6 )
]
},
{
name: 'baz',
sourceData: {
title: 'Baz Wiki',
base: 'http://baz.wiki.sample/$1'
},
items: [
new mw.echo.dm.NotificationItem( 7 )
]
}
];
groupDefinitions.forEach( ( def, i ) => {
model.addGroup(
def.name,
def.sourceData,
def.items
);
assert.strictEqual(
model.getItemCount(),
i + 1,
'Group number increases after addGroup ("' + def.name + '")'
);
const result = model.getGroupByName( def.name );
assert.strictEqual(
result.getName(),
def.name,
'Group exists after addGroup ("' + def.name + '")'
);
} );
// Remove group
model.removeGroup( groupDefinitions[ 0 ].name );
assert.strictEqual(
model.getItemCount(),
groupDefinitions.length - 1,
'Group number decreased after removeGroup'
);
assert.strictEqual(
model.getGroupByName( groupDefinitions[ 0 ] ),
null,
'Removed group is no longer in the list'
);
// Removing the last item from a group should remove the group
const group = model.getGroupByName( 'baz' );
group.discardItems( groupDefinitions[ 2 ].items );
assert.strictEqual(
model.getGroupByName( 'baz' ),
null,
'Empty group is no longer in the list'
);
} );
QUnit.test( 'Emitting discard event', ( assert ) => {
const results = [];
const model = new mw.echo.dm.NotificationGroupsList();
const groups = {
first: [
new mw.echo.dm.NotificationItem( 0 ),
new mw.echo.dm.NotificationItem( 1 ),
new mw.echo.dm.NotificationItem( 2 )
],
second: [
new mw.echo.dm.NotificationItem( 3 ),
new mw.echo.dm.NotificationItem( 4 ),
new mw.echo.dm.NotificationItem( 5 )
],
third: [
new mw.echo.dm.NotificationItem( 6 ),
new mw.echo.dm.NotificationItem( 7 )
],
fourth: [
new mw.echo.dm.NotificationItem( 8 ),
new mw.echo.dm.NotificationItem( 9 )
]
};
// Listen to the event
model
.on( 'discard', ( g ) => {
results.push( g.getName() );
} );
// Fill the list
for ( const group in groups ) {
model.addGroup( group, {}, groups[ group ] );
}
// Trigger events
model.removeGroup( 'first' ); // [ 'first' ]
model.removeGroup( 'fourth' ); // [ 'first', 'fourth' ]
// Group doesn't exist, no change
model.removeGroup( 'first' ); // [ 'first', 'fourth' ]
// Discard of an item in a group (no event on the list model)
model.getGroupByName( 'third' ).discardItems( groups.third[ 0 ] ); // [ 'first', 'fourth' ]
// Discard of the last item in a group (trigger discard event on the list model)
model.getGroupByName( 'third' ).discardItems( groups.third[ 1 ] ); // [ 'first', 'fourth', 'third' ]
assert.deepEqual(
// Actual
results,
// Expected:
[ 'first', 'fourth', 'third' ],
// Message
'Discard events emitted'
);
} );

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