Move tests and create a command to run all tests

src/test/kotlin/functional/MailerTest.kt

@@ -0,0 +1,41 @@
+package functional
+
+import com.sendgrid.helpers.mail.Mail
+import com.sendgrid.helpers.mail.objects.Content
+import com.sendgrid.helpers.mail.objects.Email
+import fr.dcproject.Env
+import fr.dcproject.messages.Mailer
+import fr.dcproject.module
+import io.ktor.locations.*
+import io.ktor.server.testing.*
+import io.ktor.util.*
+import kotlinx.coroutines.InternalCoroutinesApi
+import org.junit.jupiter.api.Tag
+import org.junit.jupiter.api.Test
+import org.junit.jupiter.api.TestInstance
+import org.koin.test.AutoCloseKoinTest
+import org.koin.test.KoinTest
+import org.koin.test.get
+
+@KtorExperimentalLocationsAPI
+@KtorExperimentalAPI
+@TestInstance(TestInstance.Lifecycle.PER_CLASS)
+class MailerTest : KoinTest, AutoCloseKoinTest() {
+    @InternalCoroutinesApi
+    @Test
+    @Tag("online, functional")
+    fun `can be send an email`() {
+        withTestApplication({ module(Env.TEST) }) {
+            get<Mailer>().sendEmail {
+                Mail(
+                    Email("sso@dc-project.fr"),
+                    "Test",
+                    Email("fabrice.lecomte.be@gmail.com"),
+                    Content("text/plain", "Email Work !")
+                ).apply {
+                    addContent(Content("text/html", "Email <b>Work</b> !"))
+                }
+            }
+        }
+    }
+}