Master programming syntax, solve interactive challenges & run live code in Syntaxis Explore Arena →

menu_book Course Curriculum (Software Testing) expand_more

Testing Fundamentals

test arrange-act-assert unit test isolation integration test boundary end-to-end workflow test positive test case negative test case boundary value analysis equivalence partitioning

Assertions & Fixtures

equality assertion exception assertion fixture setup and teardown parameterized tests temporary filesystem fixture test data factory mock object spy interaction verification

Test Doubles & Dependencies

stub return value mock external API fake repository dependency injection for testing time control with fake clock randomness control HTTP client mocking database transaction rollback tests

Coverage & Quality

line coverage branch coverage mutation testing concept flaky test detection test naming conventions assertion message quality test pyramid risk-based testing

API & Web Testing

HTTP status assertions JSON body assertions authentication test validation error test idempotency test rate-limit test contract/schema test browser form submission test

Automation & CI

test command exit codes parallel test execution test retries caution CI test matrix test artifacts JUnit XML report smoke test stage regression test suite

Software Testing / Test Doubles & Dependencies

fake repository

Learn fake repository in Software Testing with a dedicated explanation, a concept-specific example, practical cautions, and a mastery check.

12 min read • Intermediate

software-testing-019.py

python

class FakeRepo:
    def __init__(self): self.rows={}
    def save(self,id,row): self.rows[id]=row
    def get(self,id): return self.rows[id]
r=FakeRepo(); r.save(1,{'name':'A'}); assert r.get(1)['name']=='A'

What to watch

Content source & attribution

Original Syntaxis Content · Original Syntaxis Content

Lesson quizzes

fake repository Mastery Check →

mock external API

dependency injection for testing