Improve the appearance of paths in Spring Config Selection ComboBox

utbot-intellij/src/main/kotlin/org/utbot/intellij/plugin/ui/GenerateTestsDialogWindow.kt

@@ -65,7 +65,6 @@ import com.intellij.ui.layout.ComboBoxPredicate
 import com.intellij.ui.layout.Row
 import com.intellij.ui.layout.enableIf
 import com.intellij.ui.layout.panel
-import com.intellij.ui.layout.selectedValueMatches
 import com.intellij.util.IncorrectOperationException
 import com.intellij.util.io.exists
 import com.intellij.util.lang.JavaVersion
@@ -120,7 +119,6 @@ import org.utbot.framework.plugin.api.MockFramework
 import org.utbot.framework.plugin.api.MockFramework.MOCKITO
 import org.utbot.framework.plugin.api.MockStrategyApi
 import org.utbot.framework.plugin.api.TreatOverflowAsError
-import org.utbot.framework.plugin.api.isSummarizationCompatible
 import org.utbot.framework.plugin.api.utils.MOCKITO_EXTENSIONS_FILE_CONTENT
 import org.utbot.framework.plugin.api.utils.MOCKITO_EXTENSIONS_FOLDER
 import org.utbot.framework.plugin.api.utils.MOCKITO_MOCKMAKER_FILE_NAME
@@ -152,8 +150,10 @@ import org.utbot.intellij.plugin.ui.utils.parseVersion
 import org.utbot.intellij.plugin.ui.utils.testResourceRootTypes
 import org.utbot.intellij.plugin.ui.utils.testRootType
 import org.utbot.intellij.plugin.util.IntelliJApiHelper
+import org.utbot.intellij.plugin.util.SpringConfigurationsHelper
 import org.utbot.intellij.plugin.util.extractFirstLevelMembers
 import org.utbot.intellij.plugin.util.findSdkVersion
+import java.io.File
 import java.time.LocalDateTime
 import java.time.format.DateTimeFormatter
 import java.util.*
@@ -192,12 +192,10 @@ class GenerateTestsDialogWindow(val model: GenerateTestsModel) : DialogWrapper(m
     private val codegenLanguages = createComboBox(CodegenLanguage.values())
     private val testFrameworks = createComboBox(TestFramework.allItems.toTypedArray())
 
-    private val modelSpringConfigs = setOf(
-        null to listOf(NO_SPRING_CONFIGURATION_OPTION),
-        "Java-based configurations" to model.getSortedSpringConfigurationClasses(),
-        "XML-based configurations" to model.getSpringXMLConfigurationFiles()
-    )
-    private val springConfig = createComboBoxWithSeparatorsForSpringConfigs(modelSpringConfigs)
+    private val javaConfigurationHelper = SpringConfigurationsHelper(".")
+    private val xmlConfigurationHelper = SpringConfigurationsHelper(File.separator)
+
+    private val springConfig = createComboBoxWithSeparatorsForSpringConfigs(shortenConfigurationNames())
 
     private val mockStrategies = createComboBox(MockStrategyApi.values())
     private val staticsMocking = JCheckBox("Mock static methods")
@@ -223,6 +221,20 @@ class GenerateTestsDialogWindow(val model: GenerateTestsModel) : DialogWrapper(m
         parametrizedTestSources to null
     )
 
+    private fun shortenConfigurationNames(): Set<Pair<String?, Collection<String>>> {
+        val shortenedSortedSpringConfigurationClasses =
+            javaConfigurationHelper.shortenSpringConfigNames(model.getSortedSpringConfigurationClasses())
+
+        val shortenedSpringXMLConfigurationFiles =
+            xmlConfigurationHelper.shortenSpringConfigNames(model.getSpringXMLConfigurationFiles())
+
+        return setOf(
+            null to listOf(NO_SPRING_CONFIGURATION_OPTION),
+            "Java-based configurations" to shortenedSortedSpringConfigurationClasses,
+            "XML-based configurations" to shortenedSpringXMLConfigurationFiles
+        )
+    }
+
     private fun <T : CodeGenerationSettingItem> createComboBox(values: Array<T>) : ComboBox<T> {
         val comboBox = object:ComboBox<T>(DefaultComboBoxModel(values)) {
             var maxWidth = 0
@@ -580,7 +592,17 @@ class GenerateTestsDialogWindow(val model: GenerateTestsModel) : DialogWrapper(m
         model.typeReplacementApproach =
             when (springConfig.item.getItem()) {
                 NO_SPRING_CONFIGURATION_OPTION -> TypeReplacementApproach.DoNotReplace
-                else -> TypeReplacementApproach.ReplaceIfPossible(springConfig.item.getItem().toString())
+                else -> {
+                    val shortConfigName = springConfig.item.getItem().toString()
+                    //TODO: avoid this check on xml here, merge two helpers into one
+                    val fullConfigName = if (shortConfigName.endsWith(".xml")) {
+                        xmlConfigurationHelper.restoreFullName(shortConfigName)
+                    } else {
+                        javaConfigurationHelper.restoreFullName(shortConfigName)
+                    }
+
+                    TypeReplacementApproach.ReplaceIfPossible(fullConfigName)
+                }
             }
 
         val settings = model.project.service<Settings>()
@@ -1115,8 +1137,7 @@ class GenerateTestsDialogWindow(val model: GenerateTestsModel) : DialogWrapper(m
 
     private fun updateSpringConfigurationEnabled() {
         // We check for > 1 because there is already extra-dummy NO_SPRING_CONFIGURATION_OPTION option
-        springConfig.isEnabled = model.projectType == ProjectType.Spring
-                && modelSpringConfigs.size > 1
+        springConfig.isEnabled = model.projectType == ProjectType.Spring && springConfig.itemCount > 1
     }
 
     private fun staticsMockingConfigured(): Boolean {

utbot-intellij/src/main/kotlin/org/utbot/intellij/plugin/util/SpringConfigurationsHelper.kt

@@ -0,0 +1,92 @@
+package org.utbot.intellij.plugin.util
+
+/**
+ * This class is a converter between full Spring configuration names and shortened versions.
+ *
+ * Shortened versions are represented on UI.
+ * Full names are used in further analysis in utbot-spring-analyzer.
+ *
+ * The idea of this implementation is to append parent directories to the file name until all names become unique.
+ *
+ * Example:
+ * - [["config.web.WebConfig", "config.web2.WebConfig", "config.web.AnotherConfig"]]
+ * ->
+ * [["web.WebConfig", "web2.WebConfig", "AnotherConfig"]]
+ */
+class SpringConfigurationsHelper(val separator: String) {
+
+    private val nameToInfo = mutableMapOf<String, NameInfo>()
+
+    inner class NameInfo(val fullName: String) {
+        val shortenedName: String
+            get() = innerShortName
+
+        private val pathFragments: MutableList<String> = fullName.split(separator).toMutableList()
+        private var innerShortName = pathFragments.removeLast()
+
+        fun enlargeShortName(): Boolean {
+            if (pathFragments.isEmpty()) {
+                return false
+            }
+
+            val lastElement = pathFragments.removeLast()
+            innerShortName = "${lastElement}$separator$innerShortName"
+            return true
+        }
+    }
+
+    fun restoreFullName(shortenedName: String): String =
+        nameToInfo
+            .values
+            .singleOrNull { it.shortenedName == shortenedName }
+            ?.fullName
+            ?: error("Full name of configuration file cannot be restored by shortened name $shortenedName")
+
+    fun shortenSpringConfigNames(fullNames: Set<String>): Set<String> {
+        fullNames.forEach { nameToInfo[it] = NameInfo(it) }
+        var nameInfoCollection = nameToInfo.values
+
+        // this cycle continues until all shortenedNames become unique
+        while (nameInfoCollection.size != nameInfoCollection.distinctBy { it.shortenedName }.size) {
+            nameInfoCollection = nameInfoCollection.sortedBy { it.shortenedName }.toMutableList()
+
+            var index = 0
+            while(index < nameInfoCollection.size){
+                val curShortenedPath = nameInfoCollection[index].shortenedName
+
+                // here we search a block of shortened paths that are equivalent
+                // and must be enlarged with new fragment so on.
+                var maxIndexWithSamePath = index
+                while (maxIndexWithSamePath < nameInfoCollection.size) {
+                    if (nameInfoCollection[maxIndexWithSamePath].shortenedName == curShortenedPath) {
+                        maxIndexWithSamePath++
+                    }
+                    else {
+                        break
+                    }
+                }
+
+                // if the size of this block is one, we should not enlarge it
+                if (index == maxIndexWithSamePath - 1) {
+                    index++
+                    continue
+                }
+
+                // otherwise, enlarge the block of shortened names with one new fragment
+                for (i in index until maxIndexWithSamePath) {
+                    if (!nameInfoCollection[i].enlargeShortName()) {
+                        return collectShortenedNames()
+                    }
+                }
+
+                // after enlarging the block, we proceed to search for the next block
+                index = maxIndexWithSamePath
+            }
+        }
+
+        return collectShortenedNames()
+    }
+
+    private fun collectShortenedNames() = nameToInfo.values.mapTo(mutableSetOf()) { it.shortenedName }
+
+}