use case: configure list size

src/main/kotlin/me/yujinyan/faktory/Factory.kt

@@ -50,6 +50,8 @@ public class Factory<T : Any>(private val kClass: KClass<T>, block: (Config.() -
         }
     }
 
+    public fun make(range: IntRange): Iterable<T> = make(range.random())
+
     /**
      * Generate sample data.
      *

src/test/kotlin/me/yujinyan/faktory/FactoryTest.kt

@@ -1,5 +1,7 @@
 package me.yujinyan.faktory
 
+import io.kotest.matchers.collections.shouldHaveAtLeastSize
+import io.kotest.matchers.collections.shouldHaveAtMostSize
 import io.kotest.matchers.collections.shouldHaveSize
 import io.kotest.matchers.shouldBe
 import io.kotest.matchers.shouldNotBe
@@ -67,4 +69,16 @@ class FactoryTest {
             Post::author / Author::name by { "Peter Parker" }
         }.author.name shouldBe "Peter Parker"
     }
+
+    @Test
+    fun `can configure list length`() {
+        val postFactory = factory<Post> {
+            Post::images by { factory<Image>().make(5..10) }
+        }
+
+        postFactory.make().images.apply {
+            shouldHaveAtMostSize(10)
+            shouldHaveAtLeastSize(5)
+        }
+    }
 }

src/test/kotlin/me/yujinyan/faktory/TestClassesDeclarations.kt

@@ -4,10 +4,15 @@ data class Post(
     val title: String,
     val body: String,
     val author: Author,
+    val images: List<Image>
 )
 
 data class Author(
     val name: String
 )
 
+data class Image(
+    val url: String
+)
+