Added tests for file fetching

Signed-off-by: Arnau Mora <arnyminerz@proton.me>

src/test/kotlin/com/arnyminerz/escalaralcoiaicomtat/backend/server/endpoints/files/TestFileFetching.kt

@@ -0,0 +1,39 @@
+package com.arnyminerz.escalaralcoiaicomtat.backend.server.endpoints.files
+
+import com.arnyminerz.escalaralcoiaicomtat.backend.ServerDatabase
+import com.arnyminerz.escalaralcoiaicomtat.backend.assertions.assertFailure
+import com.arnyminerz.escalaralcoiaicomtat.backend.assertions.assertSuccess
+import com.arnyminerz.escalaralcoiaicomtat.backend.database.entity.Area
+import com.arnyminerz.escalaralcoiaicomtat.backend.server.DataProvider
+import com.arnyminerz.escalaralcoiaicomtat.backend.server.base.ApplicationTestBase
+import com.arnyminerz.escalaralcoiaicomtat.backend.server.error.Errors
+import kotlin.test.Test
+import kotlin.test.assertNotNull
+import kotlin.test.assertTrue
+
+class TestFileFetching : ApplicationTestBase() {
+    @Test
+    fun `test data`() = test {
+        val areaId = DataProvider.provideSampleArea()
+        assertNotNull(areaId)
+
+        val area: Area = ServerDatabase.instance.query { Area[areaId] }
+
+        get("/file/${area.image.name}").apply {
+            assertSuccess { data ->
+                assertNotNull(data)
+                assertTrue(data.has("hash"))
+                assertTrue(data.has("filename"))
+                assertTrue(data.has("download"))
+                assertTrue(data.has("size"))
+            }
+        }
+    }
+
+    @Test
+    fun `test doesn't exist`() = test {
+        get("/file/unknown").apply {
+            assertFailure(Errors.FileNotFound)
+        }
+    }
+}