Component testing is black box or white box testing?

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Component testing can be performed using both white-box and black-box approaches: White-box testing The tester has access to the component's internal structure and implementation details. This approach is used to check the code quality of an application and to find hidden internal errors. It's...
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Component testing can be performed using both white-box and black-box approaches: White-box testing The tester has access to the component's internal structure and implementation details. This approach is used to check the code quality of an application and to find hidden internal errors. It's also known as "low-level" or "transparent testing". Black-box testing The tester treats the component as a "black box" and focuses on testing its inputs, outputs, and behavior as observed from the outside. This approach is used to test the functionality of a component at each module level. read less
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