11/30/2022 0 Comments Nodejs json compare![]() ![]() It was just as strange for me when I first heard the term. If that doesn’t tell you much, it’s fine. The authentication strategy in question is JWT (JSON Web Token). #NODEJS JSON COMPARE HOW TO#This will be a step by step tutorial of how to add token based authentication to an existing REST API. If you by any chance don’t know any of these keywords, be patient, I’ll explain everything below. It can authenticate who you are, and authorize various resources you have access to. It’s a way of encrypting a value, in turn creating a unique token that users use as an identifier. eql keywords behave the same) expect( ).to.eql( ) expect( ).to.deep.equal( ) expect( ).to.not.eql( ) expect( ).to.( ) expect( ).to.not.equal( ) // Require one value from the given subset to be in the array expect( ).to.contain.oneOf( ) expect( ).to. you ever wondered how authentication works? What’s behind all the complexity and abstractions. In addition to 2 major comparison types - strict equality ( =) and deep equality, other loose comparisons can also be implemented by using a mix of other Chai features and special plugins.Īlright, now let’s see how we can use these concepts in the code.Ĭompare Arrays with Chai // Empty check expect( ).to.be.empty expect( ).to.not.be.empty // Check length expect( ).to.have.lengthOf(3) expect( ).to.(2) expect( ).to.(5) expect( ).to.least(2) expect( ).to.most(4) expect( ).to.(0, 4) // Verify the array and require given members to be in the array expect( ).to.be.an( 'array').that.includes( 2) // Require given members to be in the array expect( ).to.include( 2) expect( ).to.mbers( ) expect( ).to.mbers( ) // Require given members to be in the array in the same order expect( ).to.( ) expect( ).to.( ) // Require all members to be in the array expect( ).to.mbers( ) expect( ).to.mbers( ) expect( ).to.( ) // Require all members to be in the array to be in the same order expect( ).to.( ) expect( ).to.( ) // Check deep equality // (NOTE. ![]() When using this approach, rather than having referential equality ( a = b), it will check an object’s keys recursively until it finds primitives to check for referential equality (more info here: deep-eql).
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