@orioro/jest-util

npm install @orioro/jest-util
yarn add @orioro/jest-util

Set of utility methods for generating tests using jest.

API Docs

• isErrorExpectation(value)
• testCases(cases, fn, label)
• asyncResult(expectedResult)
• variableName(name)
• valueLabel(value)
• resultLabel(result)
• fnCallLabel(fnName, args, result)

isErrorExpectation(value)

• value {*}

testCases(cases, fn, label)

Takes an array of test cases and generates one test for each case using provided function and label generators

• cases {TestCases}
• fn {Function}
• label {Function | String}
• Returns: {void}

asyncResult(expectedResult)

Creates a function that verifies async expectation

• expectedResult {*}
• Returns: {Function}

variableName(name)

Wraps a name in a VariableName instance so that valueLabel serializer knows not to wrap it in quotes.

• name {String}

valueLabel(value)

Takes any value as input and returns an adequate label to represent that value.

• value {*}
• Returns: label {String}

resultLabel(result)

• result {*}
• Returns: {String}

fnCallLabel(fnName, args, result)

• fnName {String}
• args {*[]}
• result {*}
• Returns: {String}