Proptype warnings etc are getting in the way - this just strips the output to a rspec-style `.`, `F`, `*`

oz-simple-jest-reporter.js

const pluralize = (word, count) => `${count} ${word}${count === 1 ? '' : 's'}`

// filtering out the consoles - '.' for a pass, 'F' for a fail, and '*' for a skipped test

// wholesale stolen/adapted from https://github.com/jodonnell/jest-simple-dot-reporter

// usage npm test -- --reporters="<rootDir>/dev_scripts/oz-simple-jest-reporter.js"

class OzSimpleJestReporter {
    constructor(globalConfig, options) {
        this.globalConfig = globalConfig
        this.options = options
    }

    onRunStart(test) {
        this.numTestSuitesLeft = test.numTotalTestSuites

        console.log(`\nFound ${test.numTotalTestSuites} test suites`)
    }

    onRunComplete(test, results) {
        const {
            numFailedTests,
            numPassedTests,
            numTodoTests,
            numPendingTests,
            testResults,
            numTotalTests,
            startTime
        } = results

        console.log()
        testResults.map(({ failureMessage }) => {
            if (failureMessage) {
                console.error(failureMessage)
            }
        })

        if (!results.snapshot.didUpdate && results.snapshot.unchecked) {
            const obsoleteError = `${pluralize('obsolete snapshot', results.snapshot.unchecked)} found.`
            if (this.options.color) { console.error(`\x1b[31m${obsoleteError}\x1b[0m`) } else { console.error(obsoleteError) }
        }

        console.log(`Ran ${numTotalTests} tests in ${testDuration()}`)
        process.stdout.write(` ${numPassedTests || 0} passing`)
        process.stdout.write(` ${numFailedTests || 0} failing`)
        process.stdout.write(` ${(numTodoTests || 0) + (numPendingTests || 0)} skipped`)
        console.log()

        function testDuration() {
            const end = new Date()
            const start = new Date(startTime)

            const seconds = (end - start) / 1000
            return `${seconds} s`
        }
    }

    onTestResult(test, testResult) {
            for (let i = 0; i < testResult.testResults.length; i++) {
                switch (testResult.testResults[i].status) {
                    case 'passed':
                        process.stdout.write('.')
                        break
                    case 'skipped':
                    case 'pending':
                    case 'todo':
                    case 'disabled':
                        process.stdout.write('*')
                        break
                    case 'failed':
                        process.stdout.write('F')
                        break
                    default:
                        process.stdout.write(`(${testResult.testResults[i].status})`)
                }
            }

        if (!--this.numTestSuitesLeft && this.globalConfig.collectCoverage) {
            console.log()
        }
    }
}

module.exports = OzSimpleJestReporter