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What is the difference between a unit test and an integration test?

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  1. Unit tests check one module; integration tests check modules combined
  2. Unit tests are run by users; integration tests by computers
  3. They are two names for the same thing

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References

  1. MIT 6.031 Software Construction, Reading 3: Testing web.mit.edu/6.031/www/sp22/classes/03-testing Checked 2026-10-10.
  2. MIT 6.031 Software Construction, Reading 3: Testing web.mit.edu/6.031/www/sp22/classes/03-testing Checked 2026-10-10.
  3. Python docs: unittest docs.python.org/3/library/unittest.html Checked 2026-10-10.

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