Issue #12: Basic implementation of transformation service

src/test/kotlin/dev/dnpm/etl/processor/services/TransformationServiceTest.kt

@@ -0,0 +1,83 @@
+package dev.dnpm.etl.processor.services
+
+import com.fasterxml.jackson.databind.ObjectMapper
+import de.ukw.ccc.bwhc.dto.Consent
+import de.ukw.ccc.bwhc.dto.Diagnosis
+import de.ukw.ccc.bwhc.dto.Icd10
+import de.ukw.ccc.bwhc.dto.MtbFile
+import org.assertj.core.api.Assertions.assertThat
+import org.junit.jupiter.api.BeforeEach
+import org.junit.jupiter.api.Test
+
+class TransformationServiceTest {
+
+    private lateinit var service: TransformationService
+
+    @BeforeEach
+    fun setup() {
+        this.service = TransformationService(ObjectMapper())
+    }
+
+    @Test
+    fun shouldTransformMtbFile() {
+        val transformations = arrayOf(
+            Transformation.of("diagnoses[*].icd10.version") from "2013" to "2014",
+        )
+
+        val mtbFile = MtbFile.builder().withDiagnoses(
+            listOf(
+                Diagnosis.builder().withId("1234").withIcd10(Icd10("F79.9").also {
+                    it.version = "2013"
+                }).build()
+            )
+        ).build()
+
+        val actual = this.service.transform(mtbFile, *transformations)
+
+        assertThat(actual).isNotNull
+        assertThat(actual.diagnoses[0].icd10.version).isEqualTo("2014")
+    }
+
+    @Test
+    fun shouldOnlyTransformGivenValues() {
+        val transformations = arrayOf(
+            Transformation.of("diagnoses[*].icd10.version") from "2013" to "2014",
+        )
+
+        val mtbFile = MtbFile.builder().withDiagnoses(
+            listOf(
+                Diagnosis.builder().withId("1234").withIcd10(Icd10("F79.9").also {
+                    it.version = "2013"
+                }).build(),
+                Diagnosis.builder().withId("5678").withIcd10(Icd10("F79.8").also {
+                    it.version = "2019"
+                }).build()
+            )
+        ).build()
+
+        val actual = this.service.transform(mtbFile, *transformations)
+
+        assertThat(actual).isNotNull
+        assertThat(actual.diagnoses[0].icd10.code).isEqualTo("F79.9")
+        assertThat(actual.diagnoses[0].icd10.version).isEqualTo("2014")
+        assertThat(actual.diagnoses[1].icd10.code).isEqualTo("F79.8")
+        assertThat(actual.diagnoses[1].icd10.version).isEqualTo("2019")
+    }
+
+    @Test
+    fun shouldTransformMtbFileWithConsentEnum() {
+        val transformations = arrayOf(
+            Transformation.of("consent.status") from Consent.Status.ACTIVE to Consent.Status.REJECTED,
+        )
+
+        val mtbFile = MtbFile.builder().withConsent(
+            Consent("123", "456", Consent.Status.ACTIVE)
+        ).build()
+
+        val actual = this.service.transform(mtbFile, *transformations)
+
+        assertThat(actual.consent).isNotNull
+        assertThat(actual.consent.status).isEqualTo(Consent.Status.REJECTED)
+    }
+
+}