Add gradle task to generate json tests map

compiler/tests-spec/build.gradle.kts

@@ -22,3 +22,8 @@ val printSpecTestsStatistic by smartJavaExec {
     classpath = javaPluginConvention().sourceSets.getByName("test").runtimeClasspath
     main = "org.jetbrains.kotlin.spec.tasks.PrintSpecTestsStatisticKt"
 }
+
+val generateJsonTestsMap by smartJavaExec {
+    classpath = javaPluginConvention().sourceSets.getByName("test").runtimeClasspath
+    main = "org.jetbrains.kotlin.spec.tasks.GenerateJsonTestsMapKt"
+}

compiler/tests-spec/tests/org/jetbrains/kotlin/spec/TestsJsonMapBuilder.kt

@@ -0,0 +1,39 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.spec
+
+import com.google.gson.*
+import com.google.gson.reflect.TypeToken
+import org.jetbrains.kotlin.spec.validators.*
+import java.io.File
+
+object TestsJsonMapBuilder {
+    private val stringListType = object : TypeToken<List<String>>() {}.type
+
+    private fun addJsonIfNotExist(element: JsonObject, key: Any): JsonObject {
+        val stringKey = key.toString()
+        if (!element.has(stringKey)) element.add(stringKey, JsonObject())
+        return element.get(stringKey).asJsonObject
+    }
+
+    fun buildJsonElement(testInfo: LinkedSpecTest, testsMap: JsonObject) {
+        val sectionElement = addJsonIfNotExist(testsMap, testInfo.section)
+        val paragraphElement = addJsonIfNotExist(sectionElement, testInfo.paragraphNumber)
+        val sentenceElement = addJsonIfNotExist(paragraphElement, testInfo.sentenceNumber)
+        val testAreaElement = addJsonIfNotExist(sentenceElement, testInfo.testArea.name.toLowerCase())
+        val testTypeElement = addJsonIfNotExist(testAreaElement, testInfo.testType.type)
+        val testNumberElement = addJsonIfNotExist(testTypeElement, testInfo.testNumber)
+
+        testNumberElement.addProperty("description", testInfo.description)
+        testNumberElement.addProperty("caseNumber", testInfo.cases!!.size)
+
+        if (testInfo.unexpectedBehavior!!)
+            testNumberElement.addProperty("unexpectedBehavior", testInfo.unexpectedBehavior)
+
+        if (testInfo.issues!!.isNotEmpty())
+            testNumberElement.add("issues", Gson().toJsonTree(testInfo.issues, stringListType))
+    }
+}

compiler/tests-spec/tests/org/jetbrains/kotlin/spec/tasks/GenerateJsonTestsMap.kt

@@ -0,0 +1,35 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.spec.tasks
+
+import com.google.gson.JsonObject
+import org.jetbrains.kotlin.spec.TestsJsonMapBuilder
+import org.jetbrains.kotlin.spec.validators.LinkedSpecTestValidator
+import org.jetbrains.kotlin.spec.validators.SpecTestValidationException
+import java.io.File
+
+private const val TEST_DATA_DIR = "./testData"
+private const val OUT_DIR = "./out"
+private const val OUT_FILENAME = "testsMap.json"
+
+fun main(args: Array<String>) {
+    val testsMap = JsonObject()
+
+    File(TEST_DATA_DIR).walkTopDown().forEach {
+        val specTestValidator = LinkedSpecTestValidator(it)
+
+        try {
+            specTestValidator.parseTestInfo()
+        } catch (e: SpecTestValidationException) {
+            return@forEach
+        }
+
+        TestsJsonMapBuilder.buildJsonElement(specTestValidator.testInfo, testsMap)
+    }
+
+    File(OUT_DIR).mkdir()
+    File("$OUT_DIR/$OUT_FILENAME").writeText(testsMap.toString())
+}