Add tests

Author: k163377

src/test/kotlin/io/github/projectmapk/jackson/module/kogera/zIntegration/deser/valueClass/mapKey/WithoutCustomDeserializeMethodTest.kt

@@ -0,0 +1,117 @@
+package io.github.projectmapk.jackson.module.kogera.zIntegration.deser.valueClass.mapKey
+
+import com.fasterxml.jackson.databind.DeserializationContext
+import com.fasterxml.jackson.databind.JsonMappingException
+import com.fasterxml.jackson.databind.exc.InvalidDefinitionException
+import com.fasterxml.jackson.databind.module.SimpleModule
+import io.github.projectmapk.jackson.module.kogera.defaultMapper
+import io.github.projectmapk.jackson.module.kogera.jacksonObjectMapper
+import io.github.projectmapk.jackson.module.kogera.readValue
+import io.github.projectmapk.jackson.module.kogera.zIntegration.deser.valueClass.NonNullObject
+import io.github.projectmapk.jackson.module.kogera.zIntegration.deser.valueClass.NullableObject
+import io.github.projectmapk.jackson.module.kogera.zIntegration.deser.valueClass.Primitive
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.Assertions.assertTrue
+import org.junit.jupiter.api.Nested
+import org.junit.jupiter.api.Test
+import org.junit.jupiter.api.assertThrows
+import java.lang.reflect.InvocationTargetException
+import com.fasterxml.jackson.databind.KeyDeserializer as JacksonKeyDeserializer
+
+class WithoutCustomDeserializeMethodTest {
+    companion object {
+        val throwable = IllegalArgumentException("test")
+    }
+
+    @Nested
+    inner class DirectDeserialize {
+        @Test
+        fun primitive() {
+            val result = defaultMapper.readValue<Map<Primitive, String?>>("""{"1":null}""")
+            assertEquals(mapOf(Primitive(1) to null), result)
+        }
+
+        @Test
+        fun nonNullObject() {
+            val result = defaultMapper.readValue<Map<NonNullObject, String?>>("""{"foo":null}""")
+            assertEquals(mapOf(NonNullObject("foo") to null), result)
+        }
+
+        @Test
+        fun nullableObject() {
+            val result = defaultMapper.readValue<Map<NullableObject, String?>>("""{"bar":null}""")
+            assertEquals(mapOf(NullableObject("bar") to null), result)
+        }
+    }
+
+    data class Dst(
+        val p: Map<Primitive, String?>,
+        val nn: Map<NonNullObject, String?>,
+        val n: Map<NullableObject, String?>
+    )
+
+    @Test
+    fun wrapped() {
+        val src = """
+            {
+              "p":{"1":null},
+              "nn":{"foo":null},
+              "n":{"bar":null}
+            }
+        """.trimIndent()
+        val result = defaultMapper.readValue<Dst>(src)
+        val expected = Dst(
+            mapOf(Primitive(1) to null),
+            mapOf(NonNullObject("foo") to null),
+            mapOf(NullableObject("bar") to null)
+        )
+
+        assertEquals(expected, result)
+    }
+
+    @JvmInline
+    value class HasCheckConstructor(val value: Int) {
+        init {
+            if (value < 0) throw throwable
+        }
+    }
+
+    @Test
+    fun callConstructorCheckTest() {
+        val e = assertThrows<InvocationTargetException> {
+            defaultMapper.readValue<Map<HasCheckConstructor, String?>>("""{"-1":null}""")
+        }
+        assertTrue(e.cause === throwable)
+    }
+
+    data class Wrapped(val first: String, val second: String) {
+        class KeyDeserializer : JacksonKeyDeserializer() {
+            override fun deserializeKey(key: String, ctxt: DeserializationContext) =
+                key.split("-").let { Wrapped(it[0], it[1]) }
+        }
+    }
+
+    @JvmInline
+    value class Wrapper(val w: Wrapped)
+
+    @Test
+    fun wrappedCustomObject() {
+        // If a type that cannot be deserialized is specified, the default is an error.
+        val thrown = assertThrows<JsonMappingException> {
+            defaultMapper.readValue<Map<Wrapper, String?>>("""{"foo-bar":null}""")
+        }
+        assertTrue(thrown.cause is InvalidDefinitionException)
+
+        val mapper = jacksonObjectMapper()
+            .registerModule(
+                object : SimpleModule() {
+                    init { addKeyDeserializer(Wrapped::class.java, Wrapped.KeyDeserializer()) }
+                }
+            )
+
+        val result = mapper.readValue<Map<Wrapper, String?>>("""{"foo-bar":null}""")
+        val expected = mapOf(Wrapper(Wrapped("foo", "bar")) to null)
+
+        assertEquals(expected, result)
+    }
+}