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·Similar to applying a coupling gel in medical ultrasound examinations using a coupling agent in ultrasonic testing of stone cultural relics is crucial for obtaining accurate results The coupling agent facilitates the transmission of ultrasonic waves between the transducer and the stone surface ensuring efficient energy transfer and reliable
·In Angular we often use RxJS observables Since observables are dependent on time it makes them to hard to test To make our life easier RxJS provides a TestScheudler which offers a function run providing helper functions accepting Marbles a special syntax used to define a timeline of events In today s post we will learn about the Marble syntax and see how
In addition to the marbles function the library exports a cases function that can be used to reduce test boilerplate by specifying multiple cases for variations of a single test The API is based on that of jest in case but also includes the marbles The cases implementation is framework specific so the import must specify the framework For example with Mocha you would import
·Marble Testing There exists an official documentation about marble testing for RxJS users but it can be tough to get started since there were a lot of changes from v5 to v6 Therefore I want to start by explaining the basics show an exemplary Angular test implementation and in the end talk about some of the new RxJS 6 features
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·The marble burying MB test a classical test based on the natural tendency of rodents to dig in diverse substrates and to bury small objects is sensitive to some intrinsic and extrinsic factors
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The second test is a bit more interesting In this test we are going to assert that source Observable filters out odd values Let s break down the second test First we define the values object for our next notifications We create a new cold Observable using the cold function specifying the marble string and the values The source
·RxJS Marble testing is a topic about which I heard quite some time ago for the first time Since then I had a feeling that it s a big thing that it might simplify testing but somehow I was always put off Sheer look at the docs made me feel stupid and decide to postpone the learning till next time Majority of people whom I talked about it to
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·Marble testing RxJS testing and observables 101 In this article we will take a closer look at RxJS Marble testing an essential tool for testing the RxJS library We will examine the principles of observable testing as well as the technique of marble testing which facilitates the creation and analysis of tests
Testing of stone can be performed by other companies in the event that required test data is not available Independent labs can perform the appropriate tests and provide the information in a well organized professional report It is important to know when a certain test is not required for a product For example a test for Slip Resistance
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·Rationale An increasing number of investigators utilize the marble burying assay despite the paucity of information available regarding what underlies the behavior Objectives We tested the possibility that a genetic component underlies marble burying in mice and if there is a genetic correlation with other anxiety like traits Since findings reported in the literature
·The Thassos marble Greece showed lower performances compared to other tested marbles weight after salt crystallization test was reduced by about % as well as P wave velocity was reduced by approximately 20 % Fig This is connected to this dolomite non uniform grained marble with granoblastic texture
