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How to use emails class of io.kotest.property.arbitrary package

Best Kotest code snippet using io.kotest.property.arbitrary.emails

Libraries.kt

Source:Libraries.kt

...388    }389    subcategory("Mocks and Fakes") {390        link {391            github = "moove-it/fakeit"392            desc = "Generates realistic fake data â like names, emails, dates, countries â to be used in your Android development environment."393            setTags("testing", "android", "utility")394        }395        link {396            github = "bluegroundltd/kfactory"397            desc = "Fixture factory in Kotlin"398        }399    }400    subcategory("Dependency Injection") {401        link {402            github = "Kodein-Framework/Kodein-DI"403            desc = "Painless Kotlin Dependency Injection."404            setTags("di", "dependency injection")405            awesome()406        }...

Libraries.awesome.kts

Source:Libraries.awesome.kts

...390  }391  subcategory("Mocks and Fakes") {392    link {393      github = "moove-it/fakeit"394      desc = "Generates realistic fake data â like names, emails, dates, countries â to be used in your Android development environment."395      setTags("testing", "android", "utility")396    }397    link {398      github = "bluegroundltd/kfactory"399      desc = "Fixture factory in Kotlin"400    }401  }402  subcategory("Dependency Injection") {403    link {404      github = "Kodein-Framework/Kodein-DI"405      desc = "Painless Kotlin Dependency Injection."406      setTags("di", "dependency injection")407      awesome()408    }...

AppTest.kt

Source:AppTest.kt

1/*2 * This Kotlin source file was generated by the Gradle 'init' task.3 */4package users_emails5import io.kotest.core.spec.style.StringSpec6import io.kotest.inspectors.forAll7import io.kotest.matchers.collections.shouldContainExactlyInAnyOrder8import io.kotest.matchers.nulls.shouldNotBeNull9import io.kotest.matchers.should10import io.kotest.property.Arb11import io.kotest.property.arbitrary.int12import io.kotest.property.checkAll13import kotlin.random.Random as rnd14import kotlin.test.assertEquals15class EmailTest : StringSpec({16    val minGroups = 017    val maxGroups = 1018    "Finds users connected by having common emails" {19        checkAll(Arb.int(minGroups..maxGroups)) { numGroups ->20            val groupsOfNamesWithEmails = namesWithEmailsToBeConnected(numGroups, maxGroups)21            val emailsForName = groupsOfNamesWithEmails22                .map { (names, emails) ->23                    connectUserNamesByCommonEmails(names.toSet(), emails.toSet())24                }25                .fold(mapOf<String, Set<String>>()) { acc, y -> acc + y }26            val grouped = groupUsers(emailsForName)27            groupsOfNamesWithEmails.forAll { (names, emails) ->28                val chosenName = names.firstOrNull { it in grouped }29                chosenName.shouldNotBeNull()30                should {31                    grouped[chosenName].shouldContainExactlyInAnyOrder(emails)32                }33            }34        }35    }36    "Should group users with common emails" {37        val input = mapOf(38            "user1" to setOf("a@b.com", "c@b.com"),39            "user2" to setOf("a@b.com", "d@b.com"),40            "user3" to setOf("e@b.com", "f@b.com"),41        )42        val correct = mapOf(43            "user1" to setOf("a@b.com", "c@b.com", "d@b.com"),44            "user3" to setOf("e@b.com", "f@b.com"),45        )46        val result = groupUsers(input)47        assertEquals(correct, result)48    }49    "Should not group users with no common emails" {50        val input = mapOf(51            "user1" to setOf("a@b.com", "c@b.com"),52            "user2" to setOf("d@b.com"),53            "user3" to setOf("e@b.com", "f@b.com"),54        )55        val correct = mapOf(56            "user1" to setOf("a@b.com", "c@b.com"),57            "user2" to setOf("d@b.com"),58            "user3" to setOf("e@b.com", "f@b.com"),59        )60        val result = groupUsers(input)61        assertEquals(correct, result)62    }63})64private fun namesWithEmailsToBeConnected(65    numGroups: Int,66    maxGroups: Int67): List<Pair<List<String>, List<String>>> {68    val groups = (0 until numGroups)69    val groupedNames = groups70        .map { genUniqueNames(it, rnd.nextInt(1, maxGroups)) }71    val groupedEmails = groups.map { g ->72        genUniqueEmails(g, rnd.nextInt(1, 10))73    }74    return groupedNames.zip(groupedEmails)75}76fun genUniqueNames(group: Int, num: Int) = (0 until num).map { "${group}_$it" }77fun genUniqueEmails(group: Int, num: Int) = (0 until num).map { "$it@$group.com" }78fun <T> MutableCollection<T>.popRandom(): T = random().also { remove(it) }79fun connectUserNamesByCommonEmails(80    names: Set<String>,81    emails: Set<String>,82) : MutableMap<String, MutableSet<String>>83{84    val disconnected = names.toMutableSet()85    val connected = mutableMapOf(86        disconnected.popRandom() to mutableSetOf<String>()87    )88    val usedEmails = mutableSetOf<String>()89    while (disconnected.isNotEmpty()) {90        val email = emails.random().also { usedEmails += it }91        connected.values.random() += email92        connected.getOrPut(disconnected.popRandom()) { mutableSetOf() } += email93    }94    val unusedEmails = emails - usedEmails95    unusedEmails.forEach { email ->96        connected[names.random()]!! += email97    }98    return connected99}

EmailArbTest.kt

Source:EmailArbTest.kt

...11import io.kotest.property.arbitrary.email12import io.kotest.property.arbitrary.emailLocalPart13import io.kotest.property.checkAll14class EmailArbTest : ShouldSpec({15   should("Generate only right format emails") {16      checkAll(Arb.email()) {17         it.shouldMatch(".+\\@.+\\..+")   // Simple regex only to get a feeling of what we're generating18      }19   }20   should("Generate emails with up to 320 characters") {21      Arb.email().checkAll {22         it.shouldHaveLengthBetween(3, 320)23      }24   }25   context("Local Part") {26      should("Generate email with all possible characters for local parts") {27         val chars = sortedSetOf<Char>()28         Arb.emailLocalPart().checkAll(iterations = 10_000) {29            chars += it.substringBefore('@').toList()30         }31         chars shouldContainExactlyInAnyOrder (('a'..'z') + ('A'..'Z') + ('0'..'9') + """!#$%&'*+-/=?^_`{|}~.""".toList())32      }33      should("Never generate emails with dot at the start or at the end") {34         Arb.emailLocalPart().checkAll {35            it shouldNotStartWith "."36            it shouldNotEndWith "."37         }38      }39      should("Never generate two dots in a row") {40         Arb.emailLocalPart().checkAll {41            it shouldNotContain ".."42         }43      }44      should("Generate with length ranging from 1 to 64") {45         val sizes = sortedSetOf<Int>()46         Arb.emailLocalPart().checkAll {47            sizes += it.length...

emails

Using AI Code Generation

1import io.kotest.core.spec.style.FunSpec2import io.kotest.matchers.shouldBe3import io.kotest.property.Arb4import io.kotest.property.arbitrary.email5class EmailTest : FunSpec({6test("email should be generated") {7val email = Arb.email().next()8println(email)9}10})

emails

Using AI Code Generation

1val emails = emails()2emails.take(10).forEach { println(it) }3val dates = dates()4dates.take(10).forEach { println(it) }5val times = times()6times.take(10).forEach { println(it) }7val urls = urls()8urls.take(10).forEach { println(it) }9val uuids = uuids()10uuids.take(10).forEach { println(it) }11val words = words()12words.take(10).forEach { println(it) }13val zipcodes = zipcodes()14zipcodes.take(10).forEach { println(it) }15val doubles = doubles()16doubles.take(10).forEach { println(it) }17val floats = floats()18floats.take(10).forEach { println(it) }19val ints = ints()20ints.take(10).forEach { println(it) }21val longs = longs()22longs.take(10).forEach { println(it) }23val shorts = shorts()24shorts.take(10).forEach { println(it) }25val booleans = booleans()26booleans.take(10).forEach { println(it) }27val chars = chars()28chars.take(10).forEach { println(it) }29val strings = strings()30strings.take(10).forEach { println(it) }

emails

Using AI Code Generation

1val emails = Arb.email()2emails.take(10).forEach { email -> println(email) }3val urls = Arb.url()4urls.take(10).forEach { url -> println(url) }5val ipv4s = Arb.ipv4()6ipv4s.take(10).forEach { ipv4 -> println(ipv4) }7val ipv6s = Arb.ipv6()8ipv6s.take(10).forEach { ipv6 -> println(ipv6) }9val uuids = Arb.uuid()10uuids.take(10).forEach { uuid -> println(uuid) }11val words = Arb.words()12words.take(10).forEach { word -> println(word) }13val sentences = Arb.sentences()14sentences.take(10).forEach { sentence -> println(sentence) }15val paragraphs = Arb.paragraphs()16paragraphs.take(10).forEach { paragraph -> println(paragraph) }17val dates = Arb.dates()18dates.take(10).forEach { date -> println(date) }19val times = Arb.times()20times.take(10).forEach { time -> println(time) }21val datetimes = Arb.datetimes()22datetimes.take(10).forEach { datetime -> println(datetime) }23val localdates = Arb.localdates()24localdates.take(10).forEach { localdate -> println(localdate) }25val localtimes = Arb.localtimes()26localtimes.take(10).forEach { localtime -> println(localtime) }

emails

Using AI Code Generation

1val emails = emails()2println(emails.take(10))3val emailDomains = emailDomains()4println(emailDomains.take(10))5val usStates = usStates()6println(usStates.take(10))7val usZipCodes = usZipCodes()8println(usZipCodes.take(10))9val usPhoneNumbers = usPhoneNumbers()10println(usPhoneNumbers.take(10))11val usStreetAddresses = usStreetAddresses()12println(usStreetAddresses.take(10))13val usCityNames = usCityNames()14println(usCityNames.take(10))15val usSsn = usSsn()16println(usSsn.take(10))17val usCreditCardNumbers = usCreditCardNumbers()18println(usCreditCardNumbers.take(10))19val usCreditCardNumbersWithLuhnCheck = usCreditCardNumbersWithLuhnCheck()20println(usCreditCardNumbersWithLuhnCheck.take(10))21val usCreditCardExpirations = usCreditCardExpirations()22println(usCreditCardExpirations.take(10))23val usCreditCardTypes = usCreditCardTypes()24println(usCreditCardTypes.take(10))25val usCreditCardNumbersWithTypes = usCreditCardNumbersWithTypes()26println(usCreditCardNumbersWithTypes.take(10))

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