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var join = require('..'); describe('join(arr)', function(){ it('should default to "and"', function(){ join(['foo', 'bar']).should.equal('foo and bar'); }) }) describe('join(arr, str)', function(){ it('should join', function(){ join([], 'and').should.equal(''); join(['foo'], 'and').should.equal('foo'); join(['foo', 'bar'], 'and').should.equal('foo and bar'); join(['foo', 'bar', 'baz'], 'or').should.equal('foo, bar or baz'); }) }) describe('join(arr, str) with Oxford comma', function() { it('should remove comma with less than 3 items', function() { join([], ', or').should.equal(''); join(['foo'], ', or').should.equal('foo'); join(['foo', 'bar'], ', or').should.equal('foo or bar'); }) it('should join with 3 or more items', function() { join(['foo', 'bar', 'baz'], ', and').should.equal('foo, bar, and baz'); }) })