79 lines
2.6 KiB
JavaScript
79 lines
2.6 KiB
JavaScript
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var batchProcessItems = require('../../../../javascripts/cartodb/common/batch_process_items');
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var _ = require('underscore-cdb-v3');
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describe('common/batch_process_items', function() {
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beforeEach(function() {
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this.items = _.range(42);
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this.processItemFn = jasmine.createSpy();
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this.howManyInParallel = 4;
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var self = this;
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batchProcessItems({
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howManyInParallel: this.howManyInParallel,
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items: this.items,
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processItem: this.processItemFn,
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done: function() {
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self.finishedAllSuccessfully = true;
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},
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fail: function(err) {
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self.somethingFailed = err;
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}
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});
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});
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it('should have started processing that many items', function() {
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expect(this.processItemFn.calls.count()).toEqual(this.howManyInParallel);
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});
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it('should not have called any callback until processing finished', function() {
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expect(this.finishedAllSuccessfully).toBeUndefined();
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expect(this.somethingFailed).toBeUndefined();
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});
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it('should have called the process fn with two arguments', function() {
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expect(this.processItemFn.calls.argsFor(0).length).toEqual(2);
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});
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it('should have called the process fn with the item as 1st arg', function() {
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var i = 3;
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var firstArg = this.processItemFn.calls.argsFor(i)[0];
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expect(firstArg).toEqual(this.items[i]);
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});
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it('should have called the process fn with item result callback fn as 2nd arg', function() {
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var i = 3;
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var secArg = this.processItemFn.calls.argsFor(i)[1];
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expect(secArg).toEqual(jasmine.any(Function));
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});
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describe('given all items finished successfully', function() {
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it('should wait until all items are processed before calling the done callback', function() {
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expect(this.finishedAllSuccessfully).toBeUndefined();
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});
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it('should have called the done callback after all finished', function() {
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_.each(this.items, function(item, i) {
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this.processItemFn.calls.argsFor(i)[1]();
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}, this);
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expect(this.finishedAllSuccessfully).toBeTruthy();
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});
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});
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describe('given at least one item fail', function() {
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beforeEach(function() {
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this.failIndex = 3;
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this.errorMsg = 'something fail for processing item '+ (this.failIndex+1);
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this.processItemFn.calls.argsFor(this.failIndex)[1](this.errorMsg);
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});
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it('should have called the fail callback after all finished', function() {
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expect(this.somethingFailed).toBeTruthy();
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});
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it('should pass error arg to the fail callback', function() {
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expect(this.somethingFailed).toEqual(this.errorMsg);
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});
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});
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});
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