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// todo tests
// - Check it exists and is a function
// - Check it returns an API instance
// - Check it triggers a save
// - Check that when reloaded the table will reflect this saved state
describe('core - state.save()', function() {
dt.libs({
js: ['jquery', 'datatables'],
css: ['datatables']
});
describe('Check the defaults', function() {
dt.html('basic');
it('Exists and is a function', function() {
expect(typeof $('#example').DataTable().state.save).toBe('function');
});
it('Returns an object', function() {
let table = $('#example').DataTable();
expect(table.state.save() instanceof $.fn.dataTable.Api).toBe(true);
});
});
describe('Functional tests', function() {
// Clear down save state before proceeding (otherwise old stuff may be lurking that will affect us)
dt.html('basic');
it('Clear state save', function() {
let table = $('#example').DataTable();
table.state.clear();
});
dt.html('basic');
it('State save does initiate a stateSaveCallback', function() {
let inTest = false;
let pageLength = 0;
let table = $('#example').DataTable({
stateSave: true,
stateSaveCallback: function(settings, data) {
if (inTest) {
// stops the update from an automatic stave save
pageLength = data.length;
}
}
});
table.page.len(15).draw();
expect(pageLength).toBe(0);
inTest = true;
table.state.save();
expect(pageLength).toBe(15);
});
dt.html('basic');
it('Save state for reloading', function() {
let table = $('#example').DataTable({
stateSave: true
});
// note page() doesn't initiate a save - only the draw() does
table.page(1);
table.state.save();
expect(table.page()).toBe(1);
});
dt.html('basic');
it('Save state loads', function() {
let table = $('#example').DataTable({
stateSave: true
});
expect(table.page()).toBe(1);
});
dt.html('basic');
it('Ensure no errors if stateSave not enabled', function() {
let table = $('#example').DataTable({
stateSave: false
});
table.state.save();
expect(table.page.info().start).toBe(0);
});
});
});
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