update tests

Author: tobrun

processor/src/test/kotlin/com/tobrun/datacompat/DataCompatProcessorTest.kt

@@ -9,18 +9,21 @@ import com.tschuchort.compiletesting.SourceFile
 import com.tschuchort.compiletesting.symbolProcessorProviders
 import io.kotest.core.spec.style.BehaviorSpec
 import io.kotest.matchers.shouldBe
+import java.io.File
 
 private val simpleTest = SourceFile.kotlin(
     "PersonData.kt",
 """
 import com.tobrun.datacompat.annotation.DataCompat
 
+/**
+ * Represents a person.
+ * @property name The full name.
+ * @property nickname The nickname.
+ * @property age The age.
+ */
 @DataCompat
-private data class PersonData(
-    val name: String, 
-    val nickname: String? = null, 
-    val age: Int,
-)
+private data class PersonData(val name: String, val nickname: String? = null, val age: Int)
     """.trimIndent()
 )
 

processor/src/test/kotlin/com/tobrun/datacompat/SimpleTestContent.kt

@@ -8,46 +8,86 @@ internal val expectedSimpleTestContent = """
     import kotlin.String
     import kotlin.Unit
     import kotlin.jvm.JvmSynthetic
-
+    
+    /**
+     * Represents a person.
+     * @property name The full name.
+     * @property nickname The nickname.
+     * @property age The age.
+     */
     public class Person private constructor(
       public val name: String,
       public val nickname: String?,
       public val age: Int
     ) {
       public override fun toString() = "Person(name=%name, nickname=%nickname, age=%age)"
-
+    
       public override fun equals(other: Any?): Boolean = other is Person
       		&& name == other.name
       		&& nickname == other.nickname
       		&& age == other.age
-
+    
       public override fun hashCode(): Int = Objects.hash(name, nickname, age)
-
+    
+      /**
+       * Composes and builds a [Person] object.
+       *
+       * This is a concrete implementation of the builder design pattern.
+       *
+       * @property name The full name.
+       * @property nickname The nickname.
+       * @property age The age.
+       */
       public class Builder {
         @set:JvmSynthetic
         public var name: String? = null
-
+    
         @set:JvmSynthetic
         public var nickname: String? = null
-
+    
         @set:JvmSynthetic
         public var age: Int? = null
-
+    
+        /**
+         * Set the full name.
+         *
+         * @param name the full name.
+         * @return Builder
+         */
         public fun setName(name: String?): Builder {
           this.name = name
           return this
         }
-
+    
+        /**
+         * Set the nickname.
+         *
+         * @param nickname the nickname.
+         * @return Builder
+         */
         public fun setNickname(nickname: String?): Builder {
           this.nickname = nickname
           return this
         }
-
+    
+        /**
+         * Set the age.
+         *
+         * @param age the age.
+         * @return Builder
+         */
         public fun setAge(age: Int?): Builder {
           this.age = age
           return this
         }
-
+    
+        /**
+         * Returns a [Person] reference to the object being constructed by the builder.
+         *
+         * Throws an [IllegalArgumentException] when a non-null property wasn't initialised.
+         *
+         * @return Person
+         */
         public fun build(): Person {
           if (name==null) {
           	throw IllegalArgumentException("Null name found when building Person.")
@@ -59,7 +99,13 @@ internal val expectedSimpleTestContent = """
         }
       }
     }
-
+    
+    /**
+     * Creates a [Person] through a DSL-style builder.
+     *
+     * @param initializer the intialisation block
+     * @return Person
+     */
     @JvmSynthetic
     public fun Person(initializer: Person.Builder.() -> Unit): Person =
         Person.Builder().apply(initializer).build()

processor/src/test/kotlin/com/tobrun/datacompat/utils/KotlinCompilationExt.kt

@@ -2,7 +2,6 @@ package com.tobrun.datacompat.utils
 
 import com.tschuchort.compiletesting.KotlinCompilation
 import java.io.File
-import java.nio.file.Files
 
 internal val KotlinCompilation.Result.kspGeneratedSources: List<File>
     get() {
@@ -14,7 +13,7 @@ internal val KotlinCompilation.Result.kspGeneratedSources: List<File>
     }
 
 internal fun KotlinCompilation.Result.getGeneratedSource(index: Int): String {
-    return Files.readString(kspGeneratedSources[index].toPath())
+    return File(kspGeneratedSources[index].toPath().toString()).readText()
 }
 
 private val KotlinCompilation.Result.workingDir: File