diff --git a/core/src/test/kotlin/org/jetbrains/kotlinx/dataframe/Utils.kt b/core/src/test/kotlin/org/jetbrains/kotlinx/dataframe/Utils.kt
index 9be2b8e52f..26f5ca0d5b 100644
--- a/core/src/test/kotlin/org/jetbrains/kotlinx/dataframe/Utils.kt
+++ b/core/src/test/kotlin/org/jetbrains/kotlinx/dataframe/Utils.kt
@@ -1,7 +1,9 @@
 package org.jetbrains.kotlinx.dataframe
 
+import org.jetbrains.kotlinx.dataframe.api.getColumns
 import org.jetbrains.kotlinx.dataframe.api.print
 import org.jetbrains.kotlinx.dataframe.api.schema
+import org.jetbrains.kotlinx.dataframe.columns.ColumnGroup
 import org.jetbrains.kotlinx.dataframe.io.renderToString
 import org.jetbrains.kotlinx.dataframe.types.UtilTests
 import java.net.URL
@@ -28,3 +30,45 @@ fun <T : DataFrame<*>> T.alsoDebug(println: String? = null, rowsLimit: Int = 20)
         print(borders = true, title = true, columnTypes = true, valueLimit = -1, rowsLimit = rowsLimit)
         schema().print()
     }
+
+fun DataFrame<*>.toCode(variableName: String = "df"): String =
+    buildString {
+        append("val $variableName = dataFrameOf(\n")
+        appendColumns(this@toCode, indent = 1)
+        append(")")
+    }
+
+private fun StringBuilder.appendColumns(df: DataFrame<*>, indent: Int) {
+    val pad = "    ".repeat(indent)
+    df.getColumns { colsAtAnyDepth().simplify() }.forEach { col ->
+        if (col is ColumnGroup<*>) {
+            append("$pad\"${col.name()}\" to columnOf(\n")
+            appendColumns(col, indent + 1)
+            append("$pad),\n")
+        } else {
+            appendColumn(col, pad)
+        }
+    }
+}
+
+private fun StringBuilder.appendColumn(column: DataColumn<Any?>, pad: String) {
+    append("$pad\"${column.name()}\" to columnOf(")
+    append(column.values().joinToString(", ") { it.toLiteral() })
+    append("),\n")
+}
+
+private fun Any?.toLiteral(): String =
+    when (this) {
+        null -> "null"
+        is String -> "\"${escape()}\""
+        is Char -> "'$this'"
+        is Long -> "${this}L"
+        is Float -> "${this}f"
+        else -> toString()
+    }
+
+private fun String.escape() =
+    replace("\\", "\\\\")
+        .replace("\"", "\\\"")
+        .replace("\n", "\\n")
+        .replace("\t", "\\t")
diff --git a/core/src/test/kotlin/org/jetbrains/kotlinx/dataframe/types/UtilTests.kt b/core/src/test/kotlin/org/jetbrains/kotlinx/dataframe/types/UtilTests.kt
index 3b40948732..f3c29533e3 100644
--- a/core/src/test/kotlin/org/jetbrains/kotlinx/dataframe/types/UtilTests.kt
+++ b/core/src/test/kotlin/org/jetbrains/kotlinx/dataframe/types/UtilTests.kt
@@ -4,6 +4,9 @@ import io.kotest.matchers.shouldBe
 import org.jetbrains.kotlinx.dataframe.DataColumn
 import org.jetbrains.kotlinx.dataframe.DataRow
 import org.jetbrains.kotlinx.dataframe.api.columnOf
+import org.jetbrains.kotlinx.dataframe.api.dataFrameOf
+import org.jetbrains.kotlinx.dataframe.api.group
+import org.jetbrains.kotlinx.dataframe.api.into
 import org.jetbrains.kotlinx.dataframe.documentation.UnifyingNumbers
 import org.jetbrains.kotlinx.dataframe.impl.asArrayAsListOrNull
 import org.jetbrains.kotlinx.dataframe.impl.commonParent
@@ -17,6 +20,7 @@ import org.jetbrains.kotlinx.dataframe.impl.isArray
 import org.jetbrains.kotlinx.dataframe.impl.isPrimitiveArray
 import org.jetbrains.kotlinx.dataframe.impl.nothingType
 import org.jetbrains.kotlinx.dataframe.impl.replaceGenericTypeParametersWithUpperbound
+import org.jetbrains.kotlinx.dataframe.toCode
 import org.junit.Test
 import java.io.Serializable
 import java.math.BigDecimal
@@ -25,6 +29,7 @@ import kotlin.reflect.KClass
 import kotlin.reflect.KType
 import kotlin.reflect.typeOf
 
+@Suppress("ktlint:standard:argument-list-wrapping")
 class UtilTests {
 
     @OptIn(ExperimentalUnsignedTypes::class)
@@ -462,4 +467,31 @@ class UtilTests {
         // Edge case with null
         getUnifiedNumberClassOrNull(null, Int::class) shouldBe Int::class
     }
+
+    @Test
+    fun `get dataFrameOf constructor`() {
+        val df = dataFrameOf("firstName", "lastName", "age", "city", "weight", "isHappy")(
+            "Alice", "Cooper", 15, "London", 54, true,
+            "Bob", "Dylan", 45, "Dubai", 87, true,
+            "Charlie", "Daniels", 20, "Moscow", null, false,
+            "Charlie", "Chaplin", 40, "Milan", null, true,
+            "Bob", "Marley", 30, "Tokyo", 68, true,
+            "Alice", "Wolf", 20, null, 55, false,
+            "Charlie", "Byrd", 30, "Moscow", 90, true,
+        ).group("firstName", "lastName").into("name")
+
+        df.toCode() shouldBe
+            """
+            val df = dataFrameOf(
+                "name" to columnOf(
+                    "firstName" to columnOf("Alice", "Bob", "Charlie", "Charlie", "Bob", "Alice", "Charlie"),
+                    "lastName" to columnOf("Cooper", "Dylan", "Daniels", "Chaplin", "Marley", "Wolf", "Byrd"),
+                ),
+                "age" to columnOf(15, 45, 20, 40, 30, 20, 30),
+                "city" to columnOf("London", "Dubai", "Moscow", "Milan", "Tokyo", null, "Moscow"),
+                "weight" to columnOf(54, 87, null, null, 68, 55, 90),
+                "isHappy" to columnOf(true, true, false, true, true, false, true),
+            )
+            """.trimIndent()
+    }
 }