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What will response.data contain after this test client POST request if the route returns render_template('result.html', name=name) with name='Alice'?

medium📝 Predict Output Q5 of 15
Flask - Testing Flask Applications
What will response.data contain after this test client POST request if the route returns render_template('result.html', name=name) with name='Alice'?
response = client.post('/submit', data={'name': 'Alice'})
AThe HTML content of 'result.html' with 'Alice' rendered
BA JSON string with {'name': 'Alice'}
CAn empty response
DA redirect status code
Step-by-Step Solution
Solution:
  1. Step 1: Understand what render_template returns

    The render_template() function returns HTML content with variables replaced by their values.
  2. Step 2: Apply to test client response data

    The response.data will contain the full HTML of the rendered template, including the name 'Alice'.
  3. Final Answer:

    The HTML content of 'result.html' with 'Alice' rendered -> Option A
  4. Quick Check:

    render_template() output = HTML content [OK]
Quick Trick: render_template() returns HTML, not JSON or empty [OK]
Common Mistakes:
MISTAKES
  • Expecting JSON instead of HTML
  • Thinking response.data is empty
  • Confusing render_template with redirect

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