[skip ci] add tests for yaml

src/main/kotlin/org/domaindrivenarchitecture/provs/framework/core/YamlUtils.kt

@@ -18,3 +18,10 @@ inline fun <reified T : Any> String.yamlToType() = Yaml(configuration = YamlConf
     T::class.serializer(),
     this
 )
+
+
+@OptIn(InternalSerializationApi::class)
+inline fun <reified T : Any> T.toYaml() = Yaml(configuration = YamlConfiguration(strictMode = false)).encodeToString(
+    T::class.serializer(),
+    this
+)

src/test/kotlin/org/domaindrivenarchitecture/provs/framework/core/YamlUtilsKtTest.kt

@@ -0,0 +1,47 @@
+package org.domaindrivenarchitecture.provs.framework.core
+
+import org.domaindrivenarchitecture.provs.server.domain.k3s.K3sConfig
+import org.domaindrivenarchitecture.provs.server.domain.k3s.Node
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.Test
+
+internal class YamlUtilsKtTest {
+
+    @Test
+    fun yamlToType() {
+        // when
+        val text = """
+            fqdn: "host"
+            node:
+              ipv4: "1.2.3.4"
+          """.trimIndent()
+        val k3sConf = text.yamlToType<K3sConfig>()
+
+        // then
+        assertEquals("host", k3sConf.fqdn)
+        assertEquals("1.2.3.4", k3sConf.node.ipv4)
+        assertEquals(null, k3sConf.node.ipv6)
+    }
+
+
+    @Test
+    fun toYaml() {
+        // when
+        val yaml = K3sConfig("host", Node("1.2.3.4")).toYaml()
+
+        // then
+        val expected = """
+            fqdn: "host"
+            node:
+              ipv4: "1.2.3.4"
+              ipv6: null
+            loopback:
+              ipv4: "192.168.5.1"
+              ipv6: "fc00::5:1"
+            certmanager: null
+            apple: null
+            reprovision: false""".trimIndent()
+
+        assertEquals(expected, yaml)
+    }
+}