pytest-html is a plugin for pytest that generates a HTML report for the test results.

You will need the following prerequisites in order to use pytest-html:

• Python 2.6, 2.7, 3.3, 3.4, 3.5, PyPy, or PyPy3
• pytest 2.7 or newer

To install pytest-html:

$ pip install pytest-html

Then run your tests with:

$ pytest --html=report.html

Note that ANSI code support depends on the ansi2html package. Due to the use of a less permissive license, this package is not included as a dependency. If you have this package installed, then ANSI codes will be converted to HTML in your report.

In order to respect the Content Security Policy (CSP), several assets such as CSS and images are stored separately by default. You can alternatively create a self-contained report, which can be more convenient when sharing your results. This can be done in the following way:

$ pytest --html=report.html --self-contained-html

You can add change the Environment section of the report by modifying request.config._html.environment from a fixture:

@pytest.fixture(autouse=True)
def _environment(request):
    request.config._environment.append(('foo', 'bar'))

You can add details to the HTML reports by creating an 'extra' list on the report object. The following example adds the various types of extras using a pytest_runtest_makereport hook, which can be implemented in a plugin or conftest.py file:

import pytest
@pytest.mark.hookwrapper
def pytest_runtest_makereport(item, call):
    pytest_html = item.config.pluginmanager.getplugin('html')
    outcome = yield
    report = outcome.get_result()
    extra = getattr(report, 'extra', [])
    if report.when == 'call':
        # always add url to report
        extra.append(pytest_html.extras.url('http://www.example.com/'))
        xfail = hasattr(report, 'wasxfail')
        if (report.skipped and xfail) or (report.failed and not xfail):
            # only add additional html on failure
            extra.append(pytest_html.extras.html('<div>Additional HTML</div>'))
        report.extra = extra

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