Smoke tests in diktat

diktat-rules/pom.xml

@@ -304,6 +304,20 @@
                     </execution>
                 </executions>
             </plugin>
+
+
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-jar-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <id>test-jar</id>
+                        <goals>
+                            <goal>test-jar</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
         </plugins>
     </build>
 

diktat-rules/src/main/kotlin/org/cqfn/diktat/ruleset/utils/indentation/IndentationConfig.kt

@@ -5,7 +5,7 @@ import org.cqfn.diktat.common.config.rules.RuleConfiguration
 /**
  * [RuleConfiguration] for indentation logic
  */
-internal class IndentationConfig(config: Map<String, String>) : RuleConfiguration(config) {
+class IndentationConfig(config: Map<String, String>) : RuleConfiguration(config) {
     /**
      * Is newline at the end of a file needed
      */
@@ -87,20 +87,20 @@ internal class IndentationConfig(config: Map<String, String>) : RuleConfiguratio
     override fun toString(): String =
         "${javaClass.simpleName}$configWithExplicitDefaults"
 
-    internal companion object {
+    companion object {
         internal const val ALIGNED_PARAMETERS = "alignedParameters"
 
         /**
          * The default indent size (space characters), configurable via
          * `indentationSize`.
          */
         private const val DEFAULT_INDENTATION_SIZE = 4
-        internal const val EXTENDED_INDENT_AFTER_OPERATORS = "extendedIndentAfterOperators"
-        internal const val EXTENDED_INDENT_BEFORE_DOT = "extendedIndentBeforeDot"
-        internal const val EXTENDED_INDENT_FOR_EXPRESSION_BODIES = "extendedIndentForExpressionBodies"
-        internal const val EXTENDED_INDENT_OF_PARAMETERS = "extendedIndentOfParameters"
-        internal const val INDENTATION_SIZE = "indentationSize"
-        internal const val NEWLINE_AT_END = "newlineAtEnd"
+        const val EXTENDED_INDENT_AFTER_OPERATORS = "extendedIndentAfterOperators"
+        const val EXTENDED_INDENT_BEFORE_DOT = "extendedIndentBeforeDot"
+        const val EXTENDED_INDENT_FOR_EXPRESSION_BODIES = "extendedIndentForExpressionBodies"
+        const val EXTENDED_INDENT_OF_PARAMETERS = "extendedIndentOfParameters"
+        const val INDENTATION_SIZE = "indentationSize"
+        const val NEWLINE_AT_END = "newlineAtEnd"
 
         @Suppress("CUSTOM_GETTERS_SETTERS")
         private val IndentationConfig.configWithExplicitDefaults: Map<String, String>

diktat-rules/src/test/kotlin/org/cqfn/diktat/util/FixTestBase.kt

@@ -44,12 +44,15 @@ open class FixTestBase(
      * @param expectedPath path to file with expected result, relative to [resourceFilePath]
      * @param testPath path to file with code that will be transformed by formatter, relative to [resourceFilePath]
      * @param overrideRulesConfigList optional override to [rulesConfigList]
+     * @param trimLastEmptyLine whether the last (empty) line should be
+     *   discarded when reading the content of [testFileStr].
      * @see fixAndCompareContent
      */
     protected fun fixAndCompare(
         expectedPath: String,
         testPath: String,
-        overrideRulesConfigList: List<RulesConfig> = emptyList()
+        overrideRulesConfigList: List<RulesConfig> = emptyList(),
+        trimLastEmptyLine: Boolean = false,
     ) {
         val testComparatorUnit = if (overrideRulesConfigList.isNotEmpty()) {
             TestComparatorUnit(resourceFilePath) { text, fileName ->
@@ -61,7 +64,7 @@ open class FixTestBase(
 
         Assertions.assertTrue(
             testComparatorUnit
-                .compareFilesFromResources(expectedPath, testPath)
+                .compareFilesFromResources(expectedPath, testPath, trimLastEmptyLine)
         )
     }