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How to use Exhaustive.cartesian method of io.kotest.property.exhaustive.cartesian class

Best Kotest code snippet using io.kotest.property.exhaustive.cartesian.Exhaustive.cartesian

CartesianTest.kt

Source:CartesianTest.kt

1package com.sksamuel.kotest.property.exhaustive2import io.kotest.core.Tuple43import io.kotest.core.spec.style.FunSpec4import io.kotest.matchers.collections.shouldHaveSize5import io.kotest.matchers.shouldBe6import io.kotest.property.Exhaustive7import io.kotest.property.exhaustive.cartesian8import io.kotest.property.exhaustive.cartesianPairs9import io.kotest.property.exhaustive.exhaustive10import io.kotest.property.exhaustive.of11class CartesianTest : FunSpec() {12   init {13      test("Exhaustive.cartesianPairs") {14         listOf(1, 2, 3).exhaustive().cartesianPairs().values shouldBe listOf(15            Pair(1, 1),16            Pair(1, 2),17            Pair(1, 3),18            Pair(2, 1),19            Pair(2, 2),20            Pair(2, 3),21            Pair(3, 1),22            Pair(3, 2),23            Pair(3, 3),24         )25      }26      test("Exhaustive.cartesian(a,b) arity 2") {27         val e = Exhaustive.cartesian(28            Exhaustive.of(1, 2, 3),29            Exhaustive.of(true, false)30         ) { a, b -> Pair(a, b) }31         e.values.shouldHaveSize(6)32         e.values shouldBe listOf(33            Pair(1, true),34            Pair(1, false),35            Pair(2, true),36            Pair(2, false),37            Pair(3, true),38            Pair(3, false),39         )40      }41      test("a.cartesian(b) arity 2") {42         val e = Exhaustive.of(1, 2, 3).cartesian(Exhaustive.of(true, false)) { a, b -> Pair(a, b) }43         e.values.shouldHaveSize(6)44         e.values shouldBe listOf(45            Pair(1, true),46            Pair(1, false),47            Pair(2, true),48            Pair(2, false),49            Pair(3, true),50            Pair(3, false),51         )52      }53      test("a.cartesianPairs(b) arity 2") {54         val e = Exhaustive.of(1, 2, 3).cartesianPairs(Exhaustive.of(true, false))55         e.values.shouldHaveSize(6)56         e.values shouldBe listOf(57            Pair(1, true),58            Pair(1, false),59            Pair(2, true),60            Pair(2, false),61            Pair(3, true),62            Pair(3, false),63         )64      }65      test("Exhaustive.cartesianPairs(a,b) arity 2") {66         val e = Exhaustive.cartesianPairs(67            Exhaustive.of(1, 2, 3),68            Exhaustive.of(true, false)69         )70         e.values.shouldHaveSize(6)71         e.values shouldBe listOf(72            Pair(1, true),73            Pair(1, false),74            Pair(2, true),75            Pair(2, false),76            Pair(3, true),77            Pair(3, false),78         )79      }80      test("Exhaustive.cartesian arity 3") {81         val e = Exhaustive.cartesian(82            Exhaustive.of(1, 2, 3),83            Exhaustive.of("a", "b", "c"),84            Exhaustive.of(true, false)85         ) { a, b, c -> Triple(a, b, c) }86         e.values.shouldHaveSize(18)87         e.values shouldBe listOf(88            Triple(1, "a", true),89            Triple(1, "a", false),90            Triple(1, "b", true),91            Triple(1, "b", false),92            Triple(1, "c", true),93            Triple(1, "c", false),94            Triple(2, "a", true),95            Triple(2, "a", false),96            Triple(2, "b", true),97            Triple(2, "b", false),98            Triple(2, "c", true),99            Triple(2, "c", false),100            Triple(3, "a", true),101            Triple(3, "a", false),102            Triple(3, "b", true),103            Triple(3, "b", false),104            Triple(3, "c", true),105            Triple(3, "c", false)106         )107      }108      test("Exhaustive.cartesian arity 4") {109         val e = Exhaustive.cartesian(110            Exhaustive.of(1, 2),111            Exhaustive.of("a", "b", "c"),112            Exhaustive.of(true, false),113            Exhaustive.of('p', 'q'),114         ) { a, b, c, d -> Tuple4(a, b, c, d) }115         e.values.shouldHaveSize(24)116         e.values shouldBe listOf(117            Tuple4(a = 1, b = "a", c = true, d = 'p'),118            Tuple4(a = 1, b = "a", c = true, d = 'q'),119            Tuple4(a = 1, b = "a", c = false, d = 'p'),120            Tuple4(a = 1, b = "a", c = false, d = 'q'),121            Tuple4(a = 1, b = "b", c = true, d = 'p'),122            Tuple4(a = 1, b = "b", c = true, d = 'q'),123            Tuple4(a = 1, b = "b", c = false, d = 'p'),124            Tuple4(a = 1, b = "b", c = false, d = 'q'),125            Tuple4(a = 1, b = "c", c = true, d = 'p'),126            Tuple4(a = 1, b = "c", c = true, d = 'q'),127            Tuple4(a = 1, b = "c", c = false, d = 'p'),128            Tuple4(a = 1, b = "c", c = false, d = 'q'),129            Tuple4(a = 2, b = "a", c = true, d = 'p'),130            Tuple4(a = 2, b = "a", c = true, d = 'q'),131            Tuple4(a = 2, b = "a", c = false, d = 'p'),132            Tuple4(a = 2, b = "a", c = false, d = 'q'),133            Tuple4(a = 2, b = "b", c = true, d = 'p'),134            Tuple4(a = 2, b = "b", c = true, d = 'q'),135            Tuple4(a = 2, b = "b", c = false, d = 'p'),136            Tuple4(a = 2, b = "b", c = false, d = 'q'),137            Tuple4(a = 2, b = "c", c = true, d = 'p'),138            Tuple4(a = 2, b = "c", c = true, d = 'q'),139            Tuple4(a = 2, b = "c", c = false, d = 'p'),140            Tuple4(a = 2, b = "c", c = false, d = 'q'),141         )142      }143   }144}...

ParserTest.kt

Source:ParserTest.kt

1package dev.cyberdeck.lisp2import io.kotest.assertions.throwables.shouldThrow3import io.kotest.core.spec.style.StringSpec4import io.kotest.inspectors.forAll5import io.kotest.inspectors.forExactly6import io.kotest.matchers.collections.shouldHaveSize7import io.kotest.matchers.shouldBe8import io.kotest.matchers.string.shouldNotBeEmpty9import io.kotest.matchers.string.shouldNotContain10import io.kotest.matchers.types.shouldBeInstanceOf11import io.kotest.property.Exhaustive12import io.kotest.property.checkAll13import io.kotest.property.exhaustive.cartesian14import io.kotest.property.exhaustive.exhaustive15import io.kotest.property.exhaustive.merge16class ParserTest: StringSpec({17    val strings = listOf("\"hello\"", "\"hello world\"", "\"\"", "\")(\"", "\"()\"").exhaustive()18    val symbols = listOf("abc", "x", "x1", " a", " b").exhaustive()19    val atoms = symbols.merge(listOf("-1", "1", "1.0", "-1.0").exhaustive())20    val lists = Exhaustive.cartesian(atoms, atoms) { a, b -> listOf(a, b) }21    "parse token" {22        checkAll(symbols) { s ->23            val result = tokenize(s)24            result.forAll {25                it.shouldNotContain(" ")26                it.shouldNotBeEmpty()27            }28            result.forExactly(1) { it.shouldBe(s.trim()) }29        }30    }31    "parse with parens" {32        checkAll(symbols) { s ->33            val result = tokenize("($s)")34            result.forAll {35                it.shouldNotContain(" ")36                it.shouldNotBeEmpty()37            }38            result.forExactly(1) { it.shouldBe(s.trim()) }39        }40    }41    "parse with unbalanced parens" {42        checkAll(symbols) { s ->43            shouldThrow<SyntaxErr> {44                readFromTokens(tokenize("($s $s ($s ($s $s))")) // no closing paren45            }46        }47    }48    "parse strings" {49        val exp = readFromTokens(tokenize("\"well this is silly\""))50        exp.shouldBe(LString("well this is silly"))51    }52    "parse lists of strings" {53        checkAll(strings) { str ->54            val bare = str.substring(1, str.length - 1)55            val exp = readFromTokens(tokenize("($str ($str $str))"))56            exp.shouldBe(listExp(LString(bare), listExp(LString(bare), LString(bare))))57        }58    }59    "parse complex expressions" {60        val tokens = tokenize("(begin (define r 10.0) (* pi (* r r)))")61        tokens.shouldBe(listOf("(", "begin", "(", "define", "r", "10.0", ")", "(", "*", "pi", "(", "*", "r", "r", ")", ")", ")"))62    }63    "readFromTokens fails if empty" {64        shouldThrow<SyntaxErr> {65            readFromTokens(emptyList())66        }67    }68    "readFromTokens returns int" {69        checkAll<Int> { i ->70            readFromTokens(listOf(i.toString())).shouldBe(Num(i))71        }72    }73    "readFromTokens returns float" {74        checkAll<Float> { f ->75            readFromTokens(listOf(f.toString())).shouldBe(Num(f))76        }77    }78    "readFromTokens returns boolean" {79        checkAll<Boolean> { b ->80            readFromTokens(listOf(b.toString())).shouldBe(Bool(b))81        }82    }83    "readFromTokens returns string" {84        checkAll(strings) { str ->85            readFromTokens(listOf(str)).shouldBe(LString(str.substring(1, str.length - 1)))86        }87    }88    "readFromTokens returns symbol" {89        checkAll(symbols) { s ->90            readFromTokens(listOf(s)).shouldBe(Symbol(s))91        }92    }93    "readFromTokens fails on unmatched closing paren" {94        shouldThrow<SyntaxErr> {95            readFromTokens(listOf(")"))96        }97    }98    "readFromTokens returns list of atoms" {99        checkAll(lists) { list ->100            readFromTokens(listOf("(") + list + ")")101                .shouldBeInstanceOf<L>()102                .list.shouldHaveSize(list.size)103                .forAll { it.shouldBeInstanceOf<Atom>() }104        }105    }106})...

cartesian.kt

Source:cartesian.kt

1package io.kotest.property.exhaustive2import io.kotest.property.Exhaustive3fun <A, B, C> Exhaustive<A>.cartesian(other: Exhaustive<B>, f: (A, B) -> C): Exhaustive<C> {4   val cs = values.flatMap { _a ->5      other.values.map { _b ->6         f(_a, _b)7      }8   }9   return cs.exhaustive()10}11fun <A, B> Exhaustive<A>.cartesianPairs(other: Exhaustive<B>): Exhaustive<Pair<A, B>> {12   val pairs = values.flatMap { _a ->13      other.values.map { _b ->14         Pair(_a, _b)15      }16   }17   return pairs.exhaustive()18}19/**20 * Returns the cartesian join of this exhaustive with itself, with the results as pairs.21 */22fun <A> Exhaustive<A>.cartesianPairs(): Exhaustive<Pair<A, A>> {23   val cs = values.flatMap { _a ->24      values.map { _b ->25         Pair(_a, _b)26      }27   }28   return cs.exhaustive()29}30fun <A, B, C> Exhaustive.Companion.cartesian(a: Exhaustive<A>, b: Exhaustive<B>, f: (A, B) -> C): Exhaustive<C> {31   val cs = a.values.flatMap { _a ->32      b.values.map { _b ->33         f(_a, _b)34      }35   }36   return cs.exhaustive()37}38fun <A, B> Exhaustive.Companion.cartesianPairs(a: Exhaustive<A>, b: Exhaustive<B>): Exhaustive<Pair<A, B>> {39   val pairs = a.values.flatMap { _a ->40      b.values.map { _b ->41         Pair(_a, _b)42      }43   }44   return pairs.exhaustive()45}46fun <A, B, C, D> Exhaustive.Companion.cartesian(47   a: Exhaustive<A>,48   b: Exhaustive<B>,49   c: Exhaustive<C>,50   f: (A, B, C) -> D51): Exhaustive<D> {52   val ds = a.values.flatMap { _a ->53      b.values.flatMap { _b ->54         c.values.map { _c ->55            f(_a, _b, _c)56         }57      }58   }59   return ds.exhaustive()60}61fun <A, B, C, D, E> Exhaustive.Companion.cartesian(62   a: Exhaustive<A>,63   b: Exhaustive<B>,64   c: Exhaustive<C>,65   d: Exhaustive<D>,66   f: (A, B, C, D) -> E67): Exhaustive<E> {68   val es = a.values.flatMap { _a ->69      b.values.flatMap { _b ->70         c.values.flatMap { _c ->71            d.values.map { _d ->72               f(_a, _b, _c, _d)73            }74         }75      }76   }77   return es.exhaustive()78}79fun <A, B, C, D, E, F> Exhaustive.Companion.cartesian(80   a: Exhaustive<A>,81   b: Exhaustive<B>,82   c: Exhaustive<C>,83   d: Exhaustive<D>,84   e: Exhaustive<E>,85   f: (A, B, C, D, E) -> F86): Exhaustive<F> {87   val fs = a.values.flatMap { _a ->88      b.values.flatMap { _b ->89         c.values.flatMap { _c ->90            d.values.flatMap { _d ->91               e.values.map { _e ->92                  f(_a, _b, _c, _d, _e)93               }94            }95         }96      }97   }98   return fs.exhaustive()99}...

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