[kpm] kgp-idea: Implement IdeaKpmJavaIoSerializableExtrasSerializerTest

^KT-52568 In Progress

libraries/tools/kotlin-gradle-plugin-idea/src/test/kotlin/org/jetbrains/kotlin/gradle/kpm/idea/IdeaKpmJavaIoSerializableExtrasSerializerTest.kt

@@ -0,0 +1,89 @@
+/*
+ * Copyright 2010-2022 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.gradle.kpm.idea
+
+import org.jetbrains.kotlin.gradle.kpm.idea.serialize.IdeaKpmExtrasSerializer
+import org.jetbrains.kotlin.gradle.kpm.idea.serialize.IdeaKpmJavaIoSerializableExtrasSerializer
+import org.jetbrains.kotlin.gradle.kpm.idea.testFixtures.TestIdeaKpmSerializationContext
+import org.jetbrains.kotlin.tooling.core.withLinearClosure
+import org.junit.Test
+import java.io.Serializable
+import kotlin.test.assertEquals
+import kotlin.test.assertNotNull
+import kotlin.test.assertNull
+import kotlin.test.assertTrue
+
+class IdeaKpmJavaIoSerializableExtrasSerializerTest {
+
+    @Test
+    fun `serialize - deserialize - String`() {
+        val context = TestIdeaKpmSerializationContext()
+        val serializer = IdeaKpmExtrasSerializer.javaIoSerializable<String>()
+        val binary = assertNotNull(
+            serializer.serialize(context, "Sunny Cash"),
+            "Failed to serialize: ${context.logger.reports}"
+        )
+
+
+        assertEquals("Sunny Cash", serializer.deserialize(context, binary))
+        assertEquals(0, context.logger.reports.size, "Expected no reports")
+    }
+
+    @Test
+    fun `serialize - deserialize - non serializable object`() {
+        class ThisIsNotSerializable
+
+        val context = TestIdeaKpmSerializationContext()
+        val serializer = IdeaKpmExtrasSerializer.javaIoSerializable<ThisIsNotSerializable>()
+        assertNull(serializer.serialize(context, ThisIsNotSerializable()), "Expected null return value for non serializable object")
+
+        val serializationFailureReportsCount = context.logger.reports.count { report ->
+            report.message.startsWith(IdeaKpmJavaIoSerializableExtrasSerializer.ErrorMessages.SERIALIZATION_FAILURE)
+        }
+
+        assertEquals(
+            1, serializationFailureReportsCount,
+            "Expected exactly one serialization failure report. Found reports: ${context.logger.reports}"
+        )
+    }
+
+    @Test
+    fun `serialize - deserialize - exception during deserialization`() {
+        data class TestException(override val message: String) : Exception(message)
+
+        val exception = TestException("Failed in 'readResolve()'")
+
+        class NotDeserializable : Serializable {
+            fun readResolve(): Any = throw exception
+        }
+
+        val context = TestIdeaKpmSerializationContext()
+        val serializer = IdeaKpmExtrasSerializer.javaIoSerializable<NotDeserializable>()
+        val binary = assertNotNull(serializer.serialize(context, NotDeserializable()))
+        assertNull(serializer.deserialize(context, binary))
+
+        assertEquals(
+            1, context.logger.reports.size,
+            "Expected exactly one report. Found ${context.logger.reports}"
+        )
+
+        val report = context.logger.reports.single()
+        val reportMessage = assertNotNull(report.message, "Expected message in issue report")
+
+        assertTrue(
+            reportMessage.startsWith(IdeaKpmJavaIoSerializableExtrasSerializer.ErrorMessages.DESERIALIZATION_FAILURE),
+            "Expected issue report to start with ${IdeaKpmJavaIoSerializableExtrasSerializer.ErrorMessages.DESERIALIZATION_FAILURE}"
+        )
+
+
+        val causes = report.cause?.withLinearClosure { it.cause }.orEmpty()
+
+        assertTrue(
+            exception in causes,
+            "Expected exception in report. Exceptions: $causes"
+        )
+    }
+}