How to use print method of io.kotest.assertions.print.DataClassPrintJvm class

Best Kotest code snippet using io.kotest.assertions.print.DataClassPrintJvm.print

DataClassPrintTest.kt

Source:DataClassPrintTest.kt Github

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1package io.kotest.assertions.print2import io.kotest.core.spec.style.FunSpec3import io.kotest.matchers.shouldBe4class DataClassPrintTest : FunSpec() {5 init {6 test("data class print should format data class") {7 val ship = Ship("HMS Queen Elizabeth", "R08", 65000, "Queen Elizabeth", true)8 DataClassPrintJvm().print(ship, 0).value shouldBe9 """10Ship(11 class = "Queen Elizabeth"12 displacement = 65000L13 leadShip = true14 name = "HMS Queen Elizabeth"15 pennant = "R08"16)17""".trim().replace("\n", System.lineSeparator())18 }19 test("data class print should format nested data class") {20 val ship = Ship("HMS Queen Elizabeth", "R08", 65000, "Queen Elizabeth", true)21 val shipyard = Shipyard("Rosyth Dockyard", "Fife, Scotland", ship)22 DataClassPrintJvm().print(shipyard, 0).value shouldBe23 """24Shipyard(25 location = "Fife, Scotland"26 name = "Rosyth Dockyard"27 starship = Ship(28 class = "Queen Elizabeth"29 displacement = 65000L30 leadShip = true31 name = "HMS Queen Elizabeth"32 pennant = "R08"33 )34)35""".trim().replace("\n", System.lineSeparator())36 }37 test("print should default to basic data class output") {38 Ship("HMS Queen Elizabeth", "R08", 65000, "Queen Elizabeth", true).print().value shouldBe39 """Ship(name=HMS Queen Elizabeth, pennant=R08, displacement=65000, class=Queen Elizabeth, leadShip=true)"""40 }41 test("should be resilient to direct cyclic references") {42 val foo1 = Foo(null)43 val foo2 = Foo(foo1)44 foo1.other = foo245 foo1.print().value shouldBe """foo"""46 }47 test("should be resilient to indirect cyclic references") {48 val bar = Bar(4, mutableListOf())49 bar.list.add(bar)50 bar.print().value shouldBe """bar"""51 }52 }53}54data class Shipyard(55 val name: String,56 val location: String,57 val starship: Ship,58)59data class Ship(60 val name: String,61 val pennant: String,62 val displacement: Long,63 val `class`: String,64 val leadShip: Boolean...

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dataClassPrint.kt

Source:dataClassPrint.kt Github

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1package io.kotest.assertions.print2import kotlin.reflect.full.declaredMemberProperties3actual fun <A : Any> dataClassPrint(): Print<A> = DataClassPrintJvm()4class DataClassPrintJvm : Print<Any> {5 override fun print(a: Any): Printed = print(a, 0)6 override fun print(a: Any, level: Int): Printed {7 if (level == 10) return Printed("<...>")8 require(a::class.isData) { "This instance of the Print typeclass only supports data classes" }9 if (a::class.declaredMemberProperties.size <= 2) return Printed(a.toString())10 val props = a::class.declaredMemberProperties11 val maxNameLength = props.maxOfOrNull { it.name.length } ?: 012 val str = buildString {13 append(a::class.simpleName)14 append("(")15 props.forEach { property ->16 append(System.lineSeparator())17 append(" ")18 append("".padEnd(level * 2, ' '))19 append(property.name.padEnd(maxNameLength, ' '))20 append(" = ")21 val propertyValue = property.getter.call(a)22 when {23 propertyValue == null -> append(NullPrint.print(null, 0).value)24 propertyValue::class.isData -> append(DataClassPrintJvm().print(propertyValue, level + 1).value)25 else -> append(property.getter.call(a).print(level + 1).value)26 }27 }28 append(System.lineSeparator())29 append("".padEnd(level * 2, ' '))30 append(")")31 }32 return if (level > 0) {33 Printed(str.trim())34 } else {35 Printed(str)36 }37 }38}...

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print

Using AI Code Generation

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1 data class Person ( val name : String , val age : Int ) 2 val person = Person ( "John" , 30 ) 3 println ( person ) 4 data class Person ( val name : String , val age : Int ) 5 val person = Person ( "John" , 30 ) 6 println ( person ) 7 data class Person ( val name : String , val age : Int ) 8 val person = Person ( "John" , 30 ) 9 println ( person ) 10 data class Person ( val name : String , val age : Int ) 11 val person = Person ( "John" , 30 ) 12 println ( person ) 13 data class Person ( val name : String , val age : Int ) 14 val person = Person ( "John" , 30 ) 15 println ( person ) 16 data class Person ( val name : String , val age : Int ) 17 val person = Person ( "John" , 30 ) 18 println ( person ) 19 data class Person ( val name : String , val age : Int ) 20 val person = Person ( "

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print

Using AI Code Generation

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1val print = DataClassPrintJvm()2print.print(dataClassInstance)3print.print(dataClassInstance, "The data class instance is: ")4val print = DataClassPrintJdk8()5print.print(dataClassInstance)6print.print(dataClassInstance, "The data class instance is: ")7val print = DataClassPrintGson()8print.print(dataClassInstance)9print.print(dataClassInstance, "The data class instance is: ")10val print = DataClassPrintJackson()11print.print(dataClassInstance)12print.print(dataClassInstance, "The data class instance is: ")13val print = DataClassPrintKotlinx()14print.print(dataClassInstance)15print.print(dataClassInstance, "The data class instance is: ")16val print = DataClassPrintMoshi()17print.print(dataClassInstance)18print.print(dataClassInstance, "The data class instance is: ")19val print = DataClassPrintMoshiKotlin()20print.print(dataClassInstance)21print.print(dataClassInstance, "The data class instance is: ")22val print = DataClassPrintProtostuff()23print.print(dataClassInstance)24print.print(dataClassInstance, "The data class instance is: ")25val print = DataClassPrintProtostuffJson()26print.print(dataClassInstance)27print.print(dataClassInstance, "The data class instance is: ")28val print = DataClassPrintProtoStuff()

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