[Test gen] Consolidate file reads for checking directives

generators/test-generator/tests/org/jetbrains/kotlin/generators/model/SimpleTestMethodModel.kt

@@ -23,6 +23,16 @@ open class SimpleTestMethodModel(
 ) : MethodModel {
     object Kind : MethodModel.Kind()
 
+    val directives: Map<String, List<String>> by lazy(LazyThreadSafetyMode.NONE) {
+        InTextDirectivesUtils.findLinesByPrefixRemoved(
+            InTextDirectivesUtils.textWithDirectives(file),
+            *InTextDirectivesUtils.IGNORE_BACKEND_DIRECTIVE_PREFIXES,
+            InTextDirectivesUtils.TARGET_BACKEND_DIRECTIVE_PREFIX,
+            InTextDirectivesUtils.DORT_TARGET_EXACT_BACKEND_DIRECTIVE_PREFIX,
+            "// WORKS_WHEN_VALUE_CLASS"
+        )
+    }
+
     override val kind: MethodModel.Kind
         get() = Kind
 
@@ -33,7 +43,7 @@ open class SimpleTestMethodModel(
         }
 
     override fun shouldBeGenerated(): Boolean {
-        return InTextDirectivesUtils.isCompatibleTarget(targetBackend, file)
+        return InTextDirectivesUtils.isCompatibleTarget(targetBackend, directives)
     }
 
     override val name: String
@@ -53,7 +63,7 @@ open class SimpleTestMethodModel(
                 val relativePath = FileUtil.getRelativePath(rootDir, file.parentFile)
                 relativePath + "-" + extractedName.replaceFirstChar(Char::uppercaseChar)
             }
-            val ignored = skipIgnored && InTextDirectivesUtils.isIgnoredTarget(targetBackend, file)
+            val ignored = skipIgnored && InTextDirectivesUtils.isIgnoredTarget(targetBackend, directives, false)
             return (if (ignored) "ignore" else "test") + escapeForJavaIdentifier(unescapedName).replaceFirstChar(Char::uppercaseChar)
         }
 

generators/test-generator/tests/org/jetbrains/kotlin/generators/util/MethodModelLocator.kt

@@ -10,13 +10,12 @@ import org.jetbrains.kotlin.test.TargetBackend
 import java.io.File
 import java.util.regex.Pattern
 
-const val WORKS_WHEN_VALUE_CLASS = "WORKS_WHEN_VALUE_CLASS"
 // will replace OPTIONAL_JVM_INLINE_ANNOTATION with @JvmInline or remove it depending on compiler backend
 // for JVM IR both ones are generated according to value classes feature (https://github.com/Kotlin/KEEP/issues/237)
 
 fun TestEntityModel.containsWithoutJvmInline(): Boolean = when (this) {
     is ClassModel -> methods.any { it.containsWithoutJvmInline() } || innerTestClasses.any { it.containsWithoutJvmInline() }
-    is SimpleTestMethodModel -> file.isFile && file.readLines().any { Regex("^\\s*//\\s*$WORKS_WHEN_VALUE_CLASS\\s*$").matches(it) }
+    is SimpleTestMethodModel -> file.isFile && "WORKS_WHEN_VALUE_CLASS" in directives
     else -> false
 }