Why testing plays an important role in blockchain?

 

Why testing plays an important role in blockchain?

 

 

Taking into account the above-mentioned statistics along with the basic properties Blockchain application, it is clear that the testing and testers blockchain will play an important role in the overall growth and sustenance.

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From a technological standpoint, the whole process blockchain need to be tested thoroughly for any discrepancies are found in one block or in the supply chain could potentially disrupt the entire blockchain. When a block is added to blockchain, remain there forever. Any changes to the block in the chain will make the relevant block in the chain can not be accepted or not valid. On the same lines, any updates by the owner of the block into one or more blocks in the chain will have a significant impact on the blocks involved in the chain, which require updates or patches simultaneously. Each such change can not be parked or do it later which makes it more difficult / complex in terms of testing.

 

Several companies of the banking sector uses personal blockchain which offer more privacy controls at the expense of security and hybrid cloud computing and blockchain rolled into one.

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With rapid changes in technology suite, the idea of ​​"special test" gain more popularity. Such testing requires special skills and a mix of technical and domain understanding. Having said that, traditional or common testing techniques most widely used are still valid for testing blockchain.

 

Let's look at the five top testing techniques.

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Functional testing: functional testing plays an important role in testing blockchain for help assess the state of the business processes and the effectiveness of the use case scenario. Some important components are tested as part of functional testing are: a) the size of the block: As stated earlier, the block contains a record of a real book with encryption and timestamps. This is a group of transactions which was confirmed and then passes it on Bitcoin Public Ledger (which is blockchain). There is much debate going on over the block size for each size / transaction which is mounted on a block, the complexity of the test ride. Most miners would love to have a larger block size (for obvious reasons) while users and developers on the other side looking better compression algorithms to fit the content in the block size specified. Traditionally, the block can bring up to 36MB (respectively) of transaction data, but this soon introduce the threat of spam and other denial of service problem on the Internet. The block size is thus reduced and repaired (apparently rounded) up to 1 MB each. With the changing complexity of the underlying technology and the ability to have multiple transactions within one block of the maximum push this limit. Testers are now focusing some questions like - what if the size of the current account more than 1MB, what tests should be considered if there are several transactions in one block, what are the rules associated encryption and more complex scenarios. Size - The size of the chain can practically be many blocks when the chain lengthening. Testers ensure that the chain is not broken at the time of testing and a complete record of every transfer of value has occurred tested in possible scenarios.

b) Transmission of data: Testing about data loss during transmission is done in this phase as the architecture of peer-to-peer of blockchain deals with encryption and decryption of data at the source at the receiver end. Testing for transmission ensure minimum data loss, the repair process workflow between peers and provide scope to identify the possibility of integration.

 

c) Adding blocks: Testing validates all the blocks that will be added to the chain of posting each transaction authentication. Because the chain can not be changed and the block to be added can never change, testing at this time is very important.

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Integration Testing: Is it important from different perspectives into a cohesive system. deployment could in some environments / systems running in parallel and ensure that some component interfaces seamlessly talk to each other is important. A detailed view of all points of contact and Application Programming Interfaces (API) is tested by the testing team to ensure that the proper interfaces can be done during the validation phase.

Non-functional testing (Performance): Performance testing in blockchain important from the standpoint of the number of transactions and the size of the transaction is being tested for the performance of a block or application is made ready to be deployed to production. The test team also focused on the important parameters and subject to other like network latency, performance bottlenecks, the sequence of transactions at each node, the dependence on the production environment, speed of transaction processing, client / user and system interfaces with the necessary response from the smart contract. Because there may be multiple end points with a test compound, the scenarios end-to-end consideration to the overall performance which in most cases leads to automated performance testing for the entire ecosystem blockchain scalability.

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Testing non-functional (Security): The main focus here is to ensure that the application blockchain are thoroughly tested to check whether they are vulnerable to attack (malicious, virus, etc.), if the authorization system is strong and if the authentication (including access) The original. security testing also consider other important aspects such as confidentiality, integrity, non-repudiation services, Consistency / Availability and collisions. security testing becomes important in terms of hacking identity layer that can cause a transition affected. Transactions that take place can not be stopped then the need for effective security testing to uncover all potential hacks layer that identity. Some other challenges related to security testing included - wallet method signatures, private keys, secure hash, consensus algorithms, application platform dependencies, etc. are defined verification and validation approach helps to deal with most of these inconsistencies.

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Application Programming Interface (API) Testing: This type of testing reports on the application of communication and interaction that happens to and fro in the system. Testers here to validate external application response receive, ensuring that the format for API requests are correct and valid. In blockchain, there is also the same type of technology for the API, which allows the same approach to testing the API; referred to as intelligent contracts. Some of the popular API testing tool is - Postman and SoapUI.