デフォルト値を用いたマッピングテストを追加

Author: k163377

src/test/kotlin/com/mapk/krowmapper/DefaultValueTest.kt

@@ -0,0 +1,33 @@
+package com.mapk.krowmapper
+
+import com.google.common.base.CaseFormat
+import com.mapk.annotations.KUseDefaultArgument
+import io.mockk.every
+import io.mockk.mockk
+import io.mockk.verify
+import java.sql.ResultSet
+import org.junit.jupiter.api.Assertions
+import org.junit.jupiter.api.DisplayName
+import org.junit.jupiter.api.Test
+
+class DefaultValueTest {
+    data class Dst(val fooId: Int, @param:KUseDefaultArgument val barValue: String = "default")
+
+    private fun camelToSnake(camel: String): String = CaseFormat.LOWER_CAMEL.to(CaseFormat.LOWER_UNDERSCORE, camel)
+
+    @Test
+    @DisplayName("デフォルト値を用いたマッピングテスト")
+    fun test() {
+        val resultSet = mockk<ResultSet>()
+        every { resultSet.getObject("foo_id", any<Class<*>>()) } returns 1
+        every { resultSet.getObject("bar_value", any<Class<*>>()) } returns "From result set."
+
+        val result = KRowMapper(::Dst, this::camelToSnake).mapRow(resultSet, 0)
+
+        Assertions.assertEquals(1, result.fooId)
+        Assertions.assertEquals("default", result.barValue)
+
+        verify(exactly = 1) { resultSet.getObject("foo_id", Int::class.java) }
+        verify(exactly = 0) { resultSet.getObject("bar_value", String::class.java) }
+    }
+}