Use TargetBackend.ANY as default parameter and migrate to more generic runTest method

compiler/tests-common/tests/org/jetbrains/kotlin/test/KotlinTestUtils.java

@@ -707,6 +707,11 @@ public class KotlinTestUtils {
         void invoke(@NotNull String filePath) throws Exception;
     }
 
+    @SuppressWarnings("unused")
+    public static void runTest(@NotNull DoTest test, @NotNull TestCase testCase, @TestDataFile String testDataFile) throws Exception {
+        runTest(test, TargetBackend.ANY, testDataFile);
+    }
+
     // In this test runner version the `testDataFile` parameter is annotated by `TestDataFile`.
     // So only file paths passed to this parameter will be used in navigation actions, like "Navigate to testdata" and "Related Symbol..."
     public static void runTest(DoTest test, TargetBackend targetBackend, @TestDataFile String testDataFile) throws Exception {
@@ -828,6 +833,23 @@ public class KotlinTestUtils {
         }
     }
 
+    public static void assertAllTestsPresentByMetadata(
+            @NotNull Class<?> testCaseClass,
+            @NotNull File testDataDir,
+            @NotNull Pattern filenamePattern,
+            boolean recursive,
+            @NotNull String... excludeDirs
+    ) {
+        assertAllTestsPresentByMetadata(
+                testCaseClass,
+                testDataDir,
+                filenamePattern,
+                TargetBackend.ANY,
+                recursive,
+                excludeDirs
+        );
+    }
+
     public static void assertAllTestsPresentByMetadata(
             @NotNull Class<?> testCaseClass,
             @NotNull File testDataDir,
@@ -856,6 +878,14 @@ public class KotlinTestUtils {
         }
     }
 
+    public static void assertAllTestsPresentInSingleGeneratedClass(
+            @NotNull Class<?> testCaseClass,
+            @NotNull File testDataDir,
+            @NotNull Pattern filenamePattern
+    ) {
+        assertAllTestsPresentInSingleGeneratedClass(testCaseClass, testDataDir, filenamePattern, TargetBackend.ANY);
+    }
+
     public static void assertAllTestsPresentInSingleGeneratedClass(
             @NotNull Class<?> testCaseClass,
             @NotNull File testDataDir,

generators/test-generator/tests/org/jetbrains/kotlin/generators/tests/generator/RunTestMethodModel.kt

@@ -22,12 +22,16 @@ class RunTestMethodModel(
     }
 
     override fun generateBody(p: Printer) {
+        if (targetBackend == TargetBackend.ANY && additionalRunnerArguments.isEmpty() && testRunnerMethodName == METHOD_NAME) {
+            p.println("KotlinTestUtils.$testRunnerMethodName(this::$testMethodName, this, testDataFilePath);")
+        } else {
             val className = TargetBackend::class.java.simpleName
             val additionalArguments = if (additionalRunnerArguments.isNotEmpty())
                 additionalRunnerArguments.joinToString(separator = ", ", prefix = ", ")
             else ""
             p.println("KotlinTestUtils.$testRunnerMethodName(this::$testMethodName, $className.$targetBackend, testDataFilePath$additionalArguments);")
         }
+    }
 
     companion object {
         const val METHOD_NAME = "runTest"

generators/test-generator/tests/org/jetbrains/kotlin/generators/tests/generator/SimpleTestClassModel.java

@@ -238,11 +238,23 @@ public class SimpleTestClassModel implements TestClassModel {
                 exclude.append(StringUtil.escapeStringCharacters(dir));
                 exclude.append("\"");
             }
-            String assertTestsPresentStr = String.format(
+
+            String assertTestsPresentStr;
+
+            if (targetBackend == TargetBackend.ANY) {
+                assertTestsPresentStr = String.format(
+                        "KotlinTestUtils.assertAllTestsPresentByMetadata(this.getClass(), new File(\"%s\"), Pattern.compile(\"%s\"), %s%s);",
+                        KotlinTestUtils.getFilePath(rootFile), StringUtil.escapeStringCharacters(filenamePattern.pattern()),
+                        recursive, exclude
+                );
+            } else {
+                assertTestsPresentStr = String.format(
                         "KotlinTestUtils.assertAllTestsPresentByMetadata(this.getClass(), new File(\"%s\"), Pattern.compile(\"%s\"), %s.%s, %s%s);",
                         KotlinTestUtils.getFilePath(rootFile), StringUtil.escapeStringCharacters(filenamePattern.pattern()),
                         TargetBackend.class.getSimpleName(), targetBackend.toString(), recursive, exclude
                 );
+            }
+
             p.println(assertTestsPresentStr);
         }
 

generators/test-generator/tests/org/jetbrains/kotlin/generators/tests/generator/SingleClassTestModel.java

@@ -143,11 +143,20 @@ public class SingleClassTestModel implements TestClassModel {
 
         @Override
         public void generateBody(@NotNull Printer p) {
-            String assertTestsPresentStr = String.format(
+            String assertTestsPresentStr;
+
+            if (targetBackend != TargetBackend.ANY) {
+                assertTestsPresentStr = String.format(
                         "KotlinTestUtils.assertAllTestsPresentInSingleGeneratedClass(this.getClass(), new File(\"%s\"), Pattern.compile(\"%s\"), %s.%s);",
                         KotlinTestUtils.getFilePath(rootFile), StringUtil.escapeStringCharacters(filenamePattern.pattern()),
                         TargetBackend.class.getSimpleName(), targetBackend.toString()
                 );
+            } else {
+                assertTestsPresentStr = String.format(
+                        "KotlinTestUtils.assertAllTestsPresentInSingleGeneratedClass(this.getClass(), new File(\"%s\"), Pattern.compile(\"%s\"));",
+                        KotlinTestUtils.getFilePath(rootFile), StringUtil.escapeStringCharacters(filenamePattern.pattern())
+                );
+            }
             p.println(assertTestsPresentStr);
         }