Run pytest with coverage reporting to identify and eliminate untested code lines.
Generates annotated source files in cov_annotate/ directory, with ! markers indicating uncovered lines Supports module-specific coverage checks via --cov=module_name and targeted test runs on specific test files Workflow: run coverage, review annotated files for uncovered lines, write tests to cover gaps, repeat until 100% coverage achieved
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Open the cov_annotate directory to view the annotated source code. There will be one file per source file. If a file has 100% source coverage, it means all lines are covered by tests, so you do not need to open the file.
For each file that has less than 100% test coverage, find the matching file in cov_annotate and review the file.
If a line starts with a ! (exclamation mark), it means that the line is not covered by tests. Add tests to cover the missing lines.
Keep running the tests and improving coverage until all lines are covered.