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describe('__extractFilter unit tests', function() {
it('returns event name and null when no filter', function () {
let [event, filter] = htmx.__extractFilter('click')
assert.equal(event, 'click')
assert.equal(filter, null)
})
it('extracts filter from brackets', function () {
let [event, filter] = htmx.__extractFilter('click[ctrlKey]')
assert.equal(event, 'click')
assert.equal(filter, 'ctrlKey')
})
it('handles empty brackets', function () {
let [event, filter] = htmx.__extractFilter('click[]')
assert.equal(event, 'click')
assert.equal(filter, '')
})
it('handles complex filter expression', function () {
let [event, filter] = htmx.__extractFilter('keydown[key==\'Enter\']')
assert.equal(event, 'keydown')
assert.equal(filter, 'key==\'Enter\'')
})
it('returns only first bracket match', function () {
let [event, filter] = htmx.__extractFilter('click[foo][bar]')
assert.equal(event, 'click')
assert.equal(filter, 'foo')
})
it('handles event name with spaces before bracket', function () {
let [event, filter] = htmx.__extractFilter('my event[filter]')
assert.equal(event, 'my event')
assert.equal(filter, 'filter')
})
it('handles filter with spaces', function () {
let [event, filter] = htmx.__extractFilter('click[a && b]')
assert.equal(event, 'click')
assert.equal(filter, 'a && b')
})
it('returns original string when only opening bracket', function () {
let [event, filter] = htmx.__extractFilter('click[')
assert.equal(event, 'click[')
assert.equal(filter, null)
})
it('returns original string when only closing bracket', function () {
let [event, filter] = htmx.__extractFilter('click]')
assert.equal(event, 'click]')
assert.equal(filter, null)
})
it('handles empty string', function () {
let [event, filter] = htmx.__extractFilter('')
assert.equal(event, '')
assert.equal(filter, null)
})
});
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