test: add tet for code comments

code-quality/src/main/kotlin/cc/unitmesh/quality/documentation/CodeComment.kt

@@ -15,7 +15,7 @@ data class CodeComment(
          * @param content the comment content to be re-indented
          * @return the re-indented comment content
          */
-        private fun reIndentComment(content: String): String {
+        fun reIndentComment(content: String): String {
             val lines = content.split("\n")
             val indent = lines[1].takeWhile { it == ' ' }
             val linesWithoutIndent = lines.map { it.removePrefix(indent) }

code-quality/src/test/kotlin/cc/unitmesh/quality/documentation/CodeCommentTest.kt

@@ -0,0 +1,60 @@
+package cc.unitmesh.quality.documentation
+
+import chapi.domain.core.CodePosition
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.Test
+
+class CodeCommentTest {
+
+    @Test
+    fun should_reIndentComment() {
+        // Given
+        val commentContent = """
+            |    This is a comment.
+            |    It has multiple lines.
+            |        And some indented lines.
+        """.trimMargin()
+
+        // When
+        val reIndentedComment = CodeComment.reIndentComment(commentContent)
+
+        // Then
+        val expectedComment = """
+            |This is a comment.
+            | It has multiple lines.
+            |     And some indented lines.
+        """.trimMargin()
+
+        assertEquals(expectedComment, reIndentedComment)
+    }
+
+    @Test
+    fun should_extractKotlinComment() {
+        // Given
+        val code = """
+            |fun main() {
+            |    /**
+            |     * This is a comment.
+            |     * It has multiple lines.
+            |     */
+            |    println("Hello, World!")
+            |}
+        """.trimMargin()
+
+        // When
+        val extractedComments = CodeComment.extractKotlinComment(code)
+
+        // Then
+        val expectedComment = CodeComment(
+            """
+            |/**
+            | * This is a comment.
+            | * It has multiple lines.
+            | */
+            """.trimMargin(),
+            CodePosition(2, 4, 5, 6)
+        )
+
+        assertEquals(listOf(expectedComment), extractedComments)
+    }
+}