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toffee-test is a pytest plugin that provides testing support for the toffee framework. It includes several features to assist users in writing test cases for toffee:

• Identifies test functions as toffee test case objects, making them recognizable and executable by the toffee framework
• Offers resource management for test cases, such as DUT creation and destruction
• Provides test report generation

• Properly install toffee and its dependencies.

• Install toffee-test

To install toffee-test via pip:

pip install toffee-test

Or install the development version:

pip install toffee-test@git+https://github.com/XS-MLVP/toffee-test@master

Or install from source:

git clone https://github.com/XS-MLVP/toffee-test.git
cd toffee-test
pip install .

toffee-test provides the toffee_request fixture for managing test case resources. Use toffee_request to create your own fixture, which can then be used within test cases.

For example, the following code creates a fixture to manage DUT creation and destruction.

import toffee_test


@toffee_test.fixture
def my_fixture(toffee_request: toffee_test.ToffeeRequest):
    return toffee_request.create_dut(MyDUT, "clock_pin_name")

Interfaces provided in toffee_request include:

• create_dut: Creates a DUT
  • dut_cls: DUT class
  • clock_name: Clock name
  • waveform_filename: Waveform file name
  • coverage_filename: Coverage file name
• add_cov_groups: Adds coverage groups
  • cov_groups: Coverage groups
  • periodic_sample: Periodic sampling option

Use the @toffee_test.testcase decorator to mark test functions, making them recognizable and executable by the toffee framework.

By adding the --toffee-report parameter to the pytest command line, you can generate a toffee test report.

Additionally, the --report-name parameter can specify the report name, and --report-dir can specify the report directory.

More resources are available at toffee and UnityChip Website.