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How to use StringPrint class of io.kotest.assertions.print package

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

AnyThrowableHandling.kt

Source:AnyThrowableHandling.kt

1package io.kotest.assertions.throwables2import io.kotest.assertions.assertionCounter3import io.kotest.assertions.failure4import io.kotest.assertions.print.StringPrint5import io.kotest.assertions.print.print6/**7 * Verifies that a block of code throws any [Throwable]8 *9 * Use function to wrap a block of code that you want to verify that throws any kind of [Throwable], where using10 * [shouldThrowAny] can't be used for any reason, such as an assignment of a variable (assignments are statements,11 * therefore has no return value).12 *13 * If you want to verify a specific [Throwable], use [shouldThrowExactlyUnit].14 *15 * If you want to verify a [Throwable] and any subclass, use [shouldThrowUnit].16 *17 * @see [shouldThrowAny]18 */19inline fun shouldThrowAnyUnit(block: () -> Unit) = shouldThrowAny(block)20/**21 * Verifies that a block of code does NOT throw any [Throwable]22 *23 * Use function to wrap a block of code that you want to make sure doesn't throw any [Throwable],24 * where using [shouldNotThrowAny] can't be used for any reason, such as an assignment of a variable (assignments are25 * statements, therefore has no return value).26 *27 * Note that executing this code is no different to executing [block] itself, as any uncaught exception will28 * be propagated up anyways.29 *30 * @see [shouldNotThrowAny]31 * @see [shouldNotThrowExactlyUnit]32 * @see [shouldNotThrowUnit]33 *34 */35inline fun shouldNotThrowAnyUnit(block: () -> Unit) = shouldNotThrowAny(block)36/**37 * Verifies that a block of code throws any [Throwable]38 *39 * Use function to wrap a block of code that you want to verify that throws any kind of [Throwable].40 *41 * If you want to verify a specific [Throwable], use [shouldThrowExactly].42 *43 * If you want to verify a [Throwable] and any subclasses, use [shouldThrow]44 *45 *46 * **Attention to assignment operations:**47 *48 * When doing an assignment to a variable, the code won't compile, because an assignment is not of type [Any], as required49 * by [block]. If you need to test that an assignment throws a [Throwable], use [shouldThrowAnyUnit] or it's variations.50 *51 * ```52 *     val thrownThrowable: Throwable = shouldThrowAny {53 *         throw FooException() // This is a random Throwable, could be anything54 *     }55 * ```56 *57 * @see [shouldThrowAnyUnit]58 */59inline fun shouldThrowAny(block: () -> Any?): Throwable {60   assertionCounter.inc()61   val thrownException = try {62      block()63      null64   } catch (e: Throwable) {65      e66   }67   return thrownException ?: throw failure("Expected a throwable, but nothing was thrown.")68}69/**70 * Verifies that a block of code does NOT throw any [Throwable]71 *72 * Use function to wrap a block of code that you want to make sure doesn't throw any [Throwable].73 *74 * Note that executing this code is no different to executing [block] itself, as any uncaught exception will75 * be propagated up anyways.76 *77 * **Attention to assignment operations:**78 *79 * When doing an assignment to a variable, the code won't compile, because an assignment is not of type [Any], as required80 * by [block]. If you need to test that an assignment doesn't throw a [Throwable], use [shouldNotThrowAnyUnit] or it's81 * variations.82 *83 * @see [shouldNotThrowAnyUnit]84 * @see [shouldNotThrowExactly]85 * @see [shouldNotThrow]86 *87 */88inline fun <T> shouldNotThrowAny(block: () -> T): T {89   assertionCounter.inc()90   val thrownException = try {91      return block()92   } catch (e: Throwable) {93      e94   }95   throw failure(96      "No exception expected, but a ${thrownException::class.simpleName} was thrown.",97      thrownException98   )99}100/**101 * Verifies that a block of code throws any [Throwable] with given [message].102 *103 * @see [shouldNotThrowMessage]104 * */105inline fun <T> shouldThrowMessage(message: String, block: () -> T) {106   assertionCounter.inc()107   val thrownException = try {108      block()109      null110   } catch (e: Throwable) {111      e112   }113   thrownException ?: throw failure(114      "Expected a throwable with message ${StringPrint.print(message, 0).value} but nothing was thrown".trimMargin()115   )116   if (thrownException.message != message) {117      throw failure(118         "Expected a throwable with message ${StringPrint.print(message, 0).value} but got a throwable with message ${thrownException.message.print().value}".trimMargin(),119         thrownException120      )121   }122}123/**124 * Verifies that a block of code does not throws any [Throwable] with given [message].125* */126inline fun <T> shouldNotThrowMessage(message: String, block: () -> T) {127   assertionCounter.inc()128   val thrownException = try {129      block()130      null131   } catch (e: Throwable) {132      e...

Printers.kt

Source:Printers.kt

...4 * Global object that allows for registration of custom [Print] typeclasses.5 */6object Printers {7   private val shows = mutableMapOf<KClass<*>, Print<*>>().apply {8      put(String::class, StringPrint)9      put(Char::class, CharPrint)10      put(Long::class, LongPrint)11      put(Int::class, IntPrint)12      put(Short::class, ShortPrint)13      put(Byte::class, BytePrint)14      put(Double::class, DoublePrint)15      put(Float::class, FloatPrint)16      put(Boolean::class, BooleanPrint)17      put(Map::class, MapPrint)18      put(BooleanArray::class, ArrayPrint)19      put(IntArray::class, ArrayPrint)20      put(ShortArray::class, ArrayPrint)21      put(FloatArray::class, ArrayPrint)22      put(DoubleArray::class, ArrayPrint)...

StringPrint.kt

Source:StringPrint.kt

2/**3 * An instance of [Print] for strings that will quote the string,4 * use <empty string> in place for "", and escape whitespace for blank strings.5 */6object StringPrint : Print<String> {7   private fun String.wrap() = """"$this""""8   fun showNoWrap(a: String): Printed = when {9      a == "" -> "<empty string>".printed()10      a.isBlank() -> a.replace(" ", "\\s").wrap().printed()11      else -> a.printed()12   }13   override fun print(a: String): Printed = when {14      a == "" -> "<empty string>".printed()15      a.isBlank() -> a.replace(" ", "\\s").wrap().printed()16      else -> a.wrap().printed()17   }18}...

StringPrint

Using AI Code Generation

1StringPrint output = new StringPrint()2output.println("hello")3output.println("world")4StringPrint output = new StringPrint()5output.println("hello")6output.println("world")7StringPrint output = new StringPrint()8output.println("hello")9output.println("world")10StringPrint output = new StringPrint()11output.println("hello")12output.println("world")13StringPrint output = new StringPrint()14output.println("hello")15output.println("world")16StringPrint output = new StringPrint()17output.println("hello")18output.println("world")19StringPrint output = new StringPrint()20output.println("hello")21output.println("world")22StringPrint output = new StringPrint()23output.println("hello")24output.println("world")25StringPrint output = new StringPrint()26output.println("hello")27output.println("world")28StringPrint output = new StringPrint()29output.println("hello")30output.println("world")31StringPrint output = new StringPrint()32output.println("hello")33output.println("world")34StringPrint output = new StringPrint()35output.println("hello")36output.println("world")37StringPrint output = new StringPrint()38output.println("hello")39output.println("world")40StringPrint output = new StringPrint()41output.println("hello")42output.println("world")43StringPrint output = new StringPrint()

StringPrint

Using AI Code Generation

1StringPrint().print("Hello World")2StringPrint().print(1)3StringPrint().print(1.0)4StringPrint().print(1.0f)5StringPrint().print(1L)6StringPrint().print(1.toByte())7StringPrint().print(1.toShort())8StringPrint().print(true)9StringPrint().print(charArrayOf('a', 'b', 'c'))10StringPrint().print(charArrayOf('a', 'b', 'c'), 1, 2)11StringPrint().print(doubleArrayOf(1.0, 2.0, 3.0))12StringPrint().print(floatArrayOf(1.0f, 2.0f, 3.0f))13StringPrint().print(intArrayOf(1, 2, 3))14StringPrint().print(longArrayOf(1L, 2L, 3L))15StringPrint().print(Any())16StringPrint().print(Any(), 1, 2)17StringPrint().print(Any(), 1, 2, 3)

StringPrint

Using AI Code Generation

1package com.example.test import io.kotest.assertions.print.StringPrint import io.kotest.assertions.assert fun main() { val people = listOf( "bob" , "jim" , "joe" ) val result = StringPrint() result.println( "The people are:" ) people.forEach { result.println(it) } assert(result.toString() == "The people are:2joe" ) }3package com.example.test import io.kotest.assertions.print.StringPrint import io.kotest.assertions.expect fun main() { val people = listOf( "bob" , "jim" , "joe" ) val result = StringPrint() result.println( "The people are:" ) people.forEach { result.println(it) } expect(result.toString() == "The people are:4joe" ) }5package com.example.test import io.kotest.assertions.print.StringPrint import io.kotest.assertions.should fun main() { val people = listOf( "bob" , "jim" , "joe" ) val result = StringPrint() result.println( "The people are:" ) people.forEach { result.println(it) } result.toString() shouldEqual "The people are:6joe" }7package com.example.test import io.kotest.assertions.print.StringPrint import io.kotest.assertions.shouldThrow fun main() { val people = listOf( "bob" , "jim" , "joe"

StringPrint

Using AI Code Generation

1    StringPrintStream().use { stream ->2        stream.println("Hello World")3        stream.toString() shouldBe "Hello World"4    }5}6The output of the test case can be printed using the StringPrintStream.use() extension function. The output of the test case can be asserted using the should be assertion of the io.kotest.match

StringPrint

Using AI Code Generation

1val result = StringPrint()2result.print("The result is: ")3result.print(resultValue)4result.print(", The expected value is: ")5result.print(expectedValue)6println(result.toString())7println(result.toString())8println(result.toString())

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