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mutation-testing-metrics
Advanced tools
Utility function to calculate mutation testing metrics..
See mutant states and metrics in the Stryker handbook for more details about mutation testing metrics.
See the below example (uses TypeScript):
import { MetricsResult, calculateMetrics } from 'mutation-testing-metrics';
import { MutationTestResult } from 'mutation-testing-report-schema';
const mutationTestReport: MutationTestResult = { /*... Get a holds of mutation test results somehow */ };
const result: MetricsResult = calculateMetrics(mutationTestReport);
console.log('Mutation score', result.metrics.mutationScore)
calculateMetrics
[(MutationTestResult) => MetricsResult
]Calculates the metrics for a MutationTestResult. This result must be valid according to the [https://github.com/stryker-mutator/mutation-testing-elements/tree/master/packages/mutation-testing-report-schema#readme].
MetricsResult
A MetricsResult
has a metrics
property containing the following metrics:
killed
timeout
survived
noCoverage
runtimeErrors
compileErrors
ignored
totalDetected
totalUndetected
totalValid
totalInvalid
mutationScore
totalMutants
mutationScoreBasedOnCoveredCode
It optionally has a file
property which points to a FileResult
(mutation-testing-report-schema) or one or more childResults
if it represents a directory.
FAQs
Utility functions to calculate mutation testing metrics.
The npm package mutation-testing-metrics receives a total of 80,139 weekly downloads. As such, mutation-testing-metrics popularity was classified as popular.
We found that mutation-testing-metrics demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 2 open source maintainers collaborating on the project.
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