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How to use specs class of io.kotest.framework.multiplatform.js package

Best Kotest code snippet using io.kotest.framework.multiplatform.js.specs

SpecIrGenerationExtension.kt

Source:SpecIrGenerationExtension.kt

...25import java.util.concurrent.CopyOnWriteArrayList26class SpecIrGenerationExtension(private val messageCollector: MessageCollector) : IrGenerationExtension {27   override fun generate(moduleFragment: IrModuleFragment, pluginContext: IrPluginContext) {28      moduleFragment.transform(object : IrElementTransformerVoidWithContext() {29         val specs = CopyOnWriteArrayList<IrClass>()30         var configs = CopyOnWriteArrayList<IrClass>()31         override fun visitModuleFragment(declaration: IrModuleFragment): IrModuleFragment {32            val fragment = super.visitModuleFragment(declaration)33            messageCollector.toLogger().log("Detected ${configs.size} configs:")34            configs.forEach {35               messageCollector.toLogger().log(it.kotlinFqName.asString())36            }37            messageCollector.toLogger().log("Detected ${specs.size} JS specs:")38            specs.forEach {39               messageCollector.toLogger().log(it.kotlinFqName.asString())40            }41            if (specs.isEmpty()) return fragment42            val file = declaration.files.first()43            val launcherClass = pluginContext.referenceClass(FqName(EntryPoint.TestEngineClassName))44               ?: error("Cannot find ${EntryPoint.TestEngineClassName} class reference")45            val launcherConstructor = launcherClass.constructors.first { it.owner.valueParameters.isEmpty() }46            val promiseFn = launcherClass.getSimpleFunction(EntryPoint.PromiseMethodName)47               ?: error("Cannot find function ${EntryPoint.PromiseMethodName}")48            val withSpecsFn = launcherClass.getSimpleFunction(EntryPoint.WithSpecsMethodName)49               ?: error("Cannot find function ${EntryPoint.WithSpecsMethodName}")50            val withConfigFn = launcherClass.getSimpleFunction(EntryPoint.WithConfigMethodName)51               ?: error("Cannot find function ${EntryPoint.WithConfigMethodName}")52            val main = pluginContext.irFactory.buildFun {53               name = Name.identifier("main")54               returnType = pluginContext.irBuiltIns.unitType55            }.also { func: IrSimpleFunction ->56               func.body = DeclarationIrBuilder(pluginContext, func.symbol).irBlockBody {57                  +irCall(promiseFn).also { promise: IrCall ->58                     promise.dispatchReceiver = irCall(withSpecsFn).also { withSpecs ->59                        withSpecs.putValueArgument(60                           0,61                           irVararg(62                              pluginContext.irBuiltIns.stringType,63                              specs.map { irCall(it.constructors.first()) }64                           )65                        )66                        withSpecs.dispatchReceiver = irCall(withConfigFn).also { withConfig ->67                           withConfig.putValueArgument(68                              0,69                              irVararg(70                                 pluginContext.irBuiltIns.stringType,71                                 configs.map { irCall(it.constructors.first()) }72                              )73                           )74                           withConfig.dispatchReceiver = irCall(launcherConstructor)75                        }76                     }77                  }78               }79            }80//            val launcher = pluginContext.irFactory.buildProperty {81//               name = Name.identifier(EntryPoint.LauncherValName)82//            }.apply {83//               parent = file84//               backingField = pluginContext.irFactory.buildField {85//                  type = pluginContext.irBuiltIns.unitType86//                  isFinal = true87//                  isExternal = false88//                  isStatic = true // top level vals must be static89//                  name = Name.identifier(EntryPoint.LauncherValName)90//               }.also { field ->91//                  field.correspondingPropertySymbol = this@apply.symbol92//                  field.initializer = pluginContext.irFactory.createExpressionBody(startOffset, endOffset) {93//                     this.expression = DeclarationIrBuilder(pluginContext, field.symbol).irBlock {94//                        +irCall(promiseFn).also { promise: IrCall ->95//                           promise.dispatchReceiver = irCall(withSpecsFn).also { withSpecs ->96//                              withSpecs.putValueArgument(97//                                 0,98//                                 irVararg(99//                                    pluginContext.irBuiltIns.stringType,100//                                    specs.map { irCall(it.constructors.first()) }101//                                 )102//                              )103//                              withSpecs.dispatchReceiver = irCall(withConfigFn).also { withConfig ->104//                                 withConfig.putValueArgument(105//                                    0,106//                                    irVararg(107//                                       pluginContext.irBuiltIns.stringType,108//                                       configs.map { irCall(it.constructors.first()) }109//                                    )110//                                 )111//                                 withConfig.dispatchReceiver = irCall(launcherConstructor)112//                              }113//                           }114//                        }115//                     }116//                  }117//               }118//119//               addGetter {120//                  returnType = pluginContext.irBuiltIns.unitType121//               }.also { func: IrSimpleFunction ->122//                  func.body = DeclarationIrBuilder(pluginContext, func.symbol).irBlockBody {123//                  }124//               }125//            }126            file.addChild(main)127            return fragment128         }129         override fun visitClassNew(declaration: IrClass): IrStatement {130            super.visitClassNew(declaration)131            if (declaration.isProjectConfig()) configs.add(declaration)132            return declaration133         }134         override fun visitFileNew(declaration: IrFile): IrFile {135            super.visitFileNew(declaration)136            val specs = declaration.specs()137            messageCollector.toLogger()138               .log("${declaration.name} contains ${specs.size} spec(s): ${specs.joinToString(", ") { it.kotlinFqName.asString() }}")139            this.specs.addAll(specs)140            return declaration141         }142      }, null)143   }144}...

build.gradle.kts

Source:build.gradle.kts

...54        }55    }56}57openApiValidate {58    inputSpec.set("$projectDir/specs/api.yaml")59    recommend.set(true)60}61openApiGenerate {62    inputSpec.set("$rootDir/multiplatform/specs/api.yaml")63    generatorName.set("kotlin")64    library.set("multiplatform")65    generateApiDocumentation.set(true)66    outputDir.set("$projectDir")67    packageName.set("generated")68    configOptions.set(69        mapOf(70            "dateLibrary" to "string",71            "enumPropertyNaming" to "UPPERCASE",72            "collectionType" to "list",73        )74    )75    globalProperties.apply {76        put("models", "")...

specs.kt

Source:specs.kt

...17   "io.kotest.core.spec.style.WordSpec",18)19val abstractProjectConfigFqName = FqName("io.kotest.core.config.AbstractProjectConfig")20/**21 * Returns any specs declared at the top level in this file.22 */23fun IrFile.specs() = declarations.filterIsInstance<IrClass>().filter { it.isSpecClass() }24/**25 * Returns true fi this IrClass is a project config26 */27fun IrClass.isProjectConfig() = superTypes().any { it.classFqName == abstractProjectConfigFqName }28/**29 * Recursively returns all supertypes for an [IrClass] to the top of the type tree.30 */31fun IrClass.superTypes(): List<IrType> =32   this.superTypes + this.superTypes.flatMap { it.getClass()?.superTypes() ?: emptyList() }33/**34 * Returns true if any of the parents of this class are a spec class.35 */36fun IrClass.isSpecClass() =37   superTypes().mapNotNull { it.classFqName?.asString() }.intersect(specClasses).isNotEmpty()...

entry.kt

Source:entry.kt

...6   // in JS we use promise() which ultimately calls into GlobalScope.promise on JS platforms7   const val PromiseMethodName = "promise"8   // the FQN for the class used to launch the MPP engine9   const val TestEngineClassName = "io.kotest.engine.TestEngineLauncher"10   // the method invoked to add specs to the launcher, must exist on TestEngineLauncher11   const val WithSpecsMethodName = "withSpecs"12   // the method invoked to add configs on the launcher, must exist on TestEngineLauncher13   const val WithConfigMethodName = "withProjectConfig"14}...

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