@fusioncharts/datatable/src/utils/datatable-utils.unit.test.js

In memory tabular data storage

"use strict";var _datatableUtils=require("./datatable-utils");var schema=[{name:"DateRange",type:"interval"},{name:"Date",type:"date"},{name:"Country"},{name:"Name",type:"string"},{name:"Revenue",type:"number"},{name:"Status",type:"number"}],data=[[{start:+new Date(2018,0,1),end:+new Date(2018,1,1)},+new Date(2018,0,15),"India","Tata",1e4,0],[{start:+new Date(2016,5,1),end:+new Date(2016,7,18)},+new Date(2017,7,2),"India",null,null,0],[null,+new Date(2018,0,1),null,"Google",25e3,0],[{start:+new Date(2017,0,1),end:+new Date(2018,1,15)},undefined,"USA","Facebook",5e4,0],[{start:+new Date(2015,0,1),end:+new Date(2015,1,15)},+new Date(2015,0,19),"USA","Netflix",undefined,0]];describe("columnIndexOf test cases",(function(){it("returns the 0 based index",(function(){expect((0,_datatableUtils.columnIndexOf)("Country",schema)).toBe(2)}));it("returns -1 for wrong column",(function(){expect((0,_datatableUtils.columnIndexOf)("Countryyaa",schema)).toBe(-1)}));it("returns null for missing column name and schema name",(function(){expect((0,_datatableUtils.columnIndexOf)("Countryyaa")).toBeNull();expect((0,_datatableUtils.columnIndexOf)(null,schema)).toBeNull()}))}));describe("columnMinValue test cases",(function(){it("returns the minimum value from a number column",(function(){expect((0,_datatableUtils.columnMinValue)("Revenue",data,schema)).toBe(1e4)}));it("returns the minimum value from a date column",(function(){expect((0,_datatableUtils.columnMinValue)("Date",data,schema)).toBe(+new Date(2015,0,19))}));it("returns the minimum start value from an interval column",(function(){expect((0,_datatableUtils.columnMinValue)("DateRange",data,schema)).toBe(+new Date(2015,0,1))}));it("returns 0 from an all zero column",(function(){expect((0,_datatableUtils.columnMinValue)("Status",data,schema)).toBe(0)}))}));describe("columnMaxValue test cases",(function(){it("returns the maximum value from a number column",(function(){expect((0,_datatableUtils.columnMaxValue)("Revenue",data,schema)).toBe(5e4)}));it("returns the maximum value from a date column",(function(){expect((0,_datatableUtils.columnMaxValue)("Date",data,schema)).toBe(+new Date(2018,0,15))}));it("returns the maximum end value from an interval column",(function(){expect((0,_datatableUtils.columnMaxValue)("DateRange",data,schema)).toBe(+new Date(2018,1,15))}));it("returns 0 from an all zero column",(function(){expect((0,_datatableUtils.columnMaxValue)("Status",data,schema)).toBe(0)}))}));describe("columnExtents test cases",(function(){it("returns the maximum value from a number column",(function(){expect((0,_datatableUtils.columnExtents)("Revenue",data,schema)).toEqual({min:1e4,max:5e4})}));it("returns the maximum value from a date column",(function(){expect((0,_datatableUtils.columnExtents)("Date",data,schema)).toEqual({min:+new Date(2015,0,19),max:+new Date(2018,0,15)})}));it("returns the maximum end value from an interval column",(function(){expect((0,_datatableUtils.columnExtents)("DateRange",data,schema)).toEqual({min:+new Date(2015,0,1),max:+new Date(2018,1,15)})}));it("returns 0 from an all zero column",(function(){expect((0,_datatableUtils.columnExtents)("Status",data,schema)).toEqual({min:0,max:0})}))}));describe("columnUnique test cases",(function(){it("returns the maximum value from a number column",(function(){expect((0,_datatableUtils.columnUnique)("Revenue",data,schema)).toEqual([1e4,null,25e3,5e4,undefined])}));it("returns the maximum value from a string column",(function(){expect((0,_datatableUtils.columnUnique)("Country",data,schema)).toEqual(["India",null,"USA"])}))}));describe("columnMinDiff test cases",(function(){it("when all values are null returns null",(function(){var schemaCMD=[{name:"Item",type:"string"},{name:"Value",type:"number"}],dataCMD=[["A",null],["B",null],["C",null]];expect((0,_datatableUtils.columnMinDiff)("Value",dataCMD,schemaCMD,"Item")).toBe(null)}));it("when all values are undefined returns null",(function(){var schemaCMD=[{name:"Item",type:"string"},{name:"Value",type:"number"}],dataCMD=[["A",undefined],["B",undefined],["C",undefined]];expect((0,_datatableUtils.columnMinDiff)("Value",dataCMD,schemaCMD,"Item")).toBe(null)}));it("when all values are 0 returns 0",(function(){var schemaCMD=[{name:"Item",type:"string"},{name:"Value",type:"number"}],dataCMD=[["A",0],["B",0],["C",0]];expect((0,_datatableUtils.columnMinDiff)("Value",dataCMD,schemaCMD,"Item")).toBe(0)}));it("when all values are same returns 0",(function(){var schemaCMD=[{name:"Item",type:"string"},{name:"Value",type:"number"}],dataCMD=[["A",10],["B",10],["C",10]];expect((0,_datatableUtils.columnMinDiff)("Value",dataCMD,schemaCMD,"Item")).toBe(0)}));it("returns difference between numbers when negative values are present",(function(){var schemaCMD=[{name:"Item",type:"string"},{name:"Value",type:"number"}],dataCMD=[["A",-10],["B",8],["C",-3]];expect((0,_datatableUtils.columnMinDiff)("Value",dataCMD,schemaCMD,"Item")).toBe(7);dataCMD=[["A",-10],["B",8],["C",-3],["C",-10]];expect((0,_datatableUtils.columnMinDiff)("Value",dataCMD,schemaCMD,"Item")).toBe(0)}));it("returns difference between numbers when separated by null",(function(){var schemaCMD=[{name:"Item",type:"string"},{name:"Value",type:"number"}],dataCMD=[["A",8],["B",null],["C",null],["D",3]];expect((0,_datatableUtils.columnMinDiff)("Value",dataCMD,schemaCMD,"Item")).toBe(5)}));it("returns difference between numbers when separated by undefined",(function(){var schemaCMD=[{name:"Item",type:"string"},{name:"Value",type:"number"}],dataCMD=[["A",8],["B",undefined],["C",undefined],["D",3]];expect((0,_datatableUtils.columnMinDiff)("Value",dataCMD,schemaCMD,"Item")).toBe(5)}));it("returns difference between numbers when separated by null and undefined",(function(){var schemaCMD=[{name:"Item",type:"string"},{name:"Value",type:"number"}],dataCMD=[["A",8],["B",null],["C",undefined],["D",3]];expect((0,_datatableUtils.columnMinDiff)("Value",dataCMD,schemaCMD,"Item")).toBe(5)}));it("returns difference between numbers when 0 present",(function(){var schemaCMD=[{name:"Item",type:"string"},{name:"Value",type:"number"}],dataCMD=[["A",8],["B",12],["C",0],["D",3]];expect((0,_datatableUtils.columnMinDiff)("Value",dataCMD,schemaCMD,"Item")).toBe(3)}));it("returns difference between numbers when 0 and null present",(function(){var schemaCMD=[{name:"Item",type:"string"},{name:"Value",type:"number"}],dataCMD=[["A",8],["B",null],["C",0],["D",3]];expect((0,_datatableUtils.columnMinDiff)("Value",dataCMD,schemaCMD,"Item")).toBe(3)}));it("returns difference between numbers when 0 and undefined present",(function(){var schemaCMD=[{name:"Item",type:"string"},{name:"Value",type:"number"}],dataCMD=[["A",8],["B",undefined],["C",0],["D",3]];expect((0,_datatableUtils.columnMinDiff)("Value",dataCMD,schemaCMD,"Item")).toBe(3)}));it("returns difference between numbers when 0, undefined and null present",(function(){var schemaCMD=[{name:"Item",type:"string"},{name:"Value",type:"number"}],dataCMD=[["A",8],["B",null],["C",0],["D",undefined],["E",undefined],["F",3]];expect((0,_datatableUtils.columnMinDiff)("Value",dataCMD,schemaCMD,"Item")).toBe(3)}))}));