Buzilla vs Nunit [closed]

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I am kind of new to .net can some one twll me diff b\w nunit vs buzilla vs Unit tes开发者_如何学Pythont(Visual studio) testing and team forge for TFS.Can Nunit and Unit Test do all that Bugzilla and Team Forge does?

Thanks

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NUnit is a unit test framework. MSTest (the one with Visual Studio and TFS) is a unit test framework.

Bugzilla is a bug tracking database that has no direct corelation to unit testing. TFS does have a bug tracking database too.