You run pytest -v test_example.py but get an error: pytest: error: unrecognized arguments: -v. What is the likely cause?

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PyTest - Basics and Setup

You run pytest -v test_example.py but get an error: pytest: error: unrecognized arguments: -v. What is the likely cause?

Apytest does not support the <code>-v</code> option.

BYou typed the option incorrectly; it should be <code>--verbose</code>.

CThe test file <code>test_example.py</code> does not exist.

DYou are running pytest with a wrong command or from a wrong environment.

Step-by-Step Solution

Solution:

Step 1: Understand the error message
The error says -v is unrecognized, which is unusual because -v is a valid pytest option.
Step 2: Identify environment or command issues
This usually means pytest is not properly installed or a different command is running (like python or another tool).
Final Answer:
You are running pytest with a wrong command or from a wrong environment. -> Option D
Quick Check:
Unrecognized option means wrong environment = A [OK]

Quick Trick: Check pytest installation and environment if options fail [OK]

Common Mistakes:

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