Reword message for initial stage of test generation (#2546)

Author: Vassiliy-Kudryashov

utbot-intellij/src/main/kotlin/org/utbot/intellij/plugin/generator/UtTestsDialogProcessor.kt

@@ -82,7 +82,8 @@ object UtTestsDialogProcessor {
     private val logger = KotlinLogging.logger {}
 
     enum class ProgressRange(val from : Double, val to: Double) {
-        SOLVING(from = 0.0, to = 0.9),
+        INITIALIZATION(from = 0.01, to = 0.1),
+        SOLVING(from = 0.1, to = 0.9),
         CODEGEN(from = 0.9, to = 0.95),
         SARIF(from = 0.95, to = 1.0)
     }
@@ -218,7 +219,7 @@ object UtTestsDialogProcessor {
                         val secondsTimeout = TimeUnit.MILLISECONDS.toSeconds(model.timeout)
 
                         indicator.isIndeterminate = false
-                        updateIndicator(indicator, ProgressRange.SOLVING, "Generate tests: read classes", 0.0)
+                        updateIndicator(indicator, ProgressRange.INITIALIZATION, "Generate tests: starting engine", 0.0)
 
                         // TODO sometimes preClasspathCollectionPromises get stuck, even though all
                         //  needed dependencies get installed, we need to figure out why that happens
@@ -259,6 +260,7 @@ object UtTestsDialogProcessor {
                         val staticMockingConfigured = model.staticsMocking.isConfigured
 
                         val process = EngineProcess.createBlocking(project, classNameToPath)
+                        updateIndicator(indicator, ProgressRange.INITIALIZATION, fraction = 0.2)
 
                         process.terminateOnException { _ ->
                             val classpathForClassLoader = buildDirs + classpathList
@@ -291,6 +293,7 @@ object UtTestsDialogProcessor {
                                 }
                                 else -> simpleApplicationContext
                             }
+                            updateIndicator(indicator, ProgressRange.INITIALIZATION, fraction = 0.25)
                             process.createTestGenerator(
                                 buildDirs,
                                 classpath,
@@ -302,6 +305,7 @@ object UtTestsDialogProcessor {
                                     indicator.isCanceled
                                 })
                             }
+                            updateIndicator(indicator, ProgressRange.INITIALIZATION, fraction = 1.0)
 
                             for (srcClass in model.srcClasses) {
                                 if (indicator.isCanceled) {