Refactor main files to test files

src/test/scala/parse/ParserSpec.scala

@@ -0,0 +1,55 @@
+package parse
+
+import cats.effect.unsafe.implicits.global
+import db.DBService
+import org.scalatest.funsuite.AnyFunSuite
+import org.scalatest.matchers.should.Matchers
+import parse.Aggregate.{AggregateKey, DoubleValue, TimeDoubleList, UserQuery}
+
+import java.time.LocalDateTime
+import java.time.format.DateTimeFormatter
+import scala.collection.immutable.HashMap
+
+class ParserSpec extends AnyFunSuite with Matchers {
+
+  test("QueryData should return correct sum result") {
+    val formatter = DateTimeFormatter.ofPattern("yyyyMMdd_HHmm")
+    val from = LocalDateTime.parse("20230515_0905", formatter)
+    val to = LocalDateTime.parse("20230516_0942", formatter)
+    val userQuery = UserQuery(List("Bauska", "Dagda", "Daugavgrīva", "Rīga"), "precipitation", AggregateKey.Sum)
+
+    val dbService = DBService.of.unsafeRunSync()
+
+    val lines = dbService.getInRange(from, to).unsafeRunSync()
+    val parsed = Parser.queryData(userQuery, lines)
+
+    parsed shouldBe HashMap(
+      "Dagda" -> Some(DoubleValue(0.6)),
+      "Rīga" -> Some(DoubleValue(7.9)),
+      "Daugavgrīva" -> Some(DoubleValue(5.9)),
+      "Bauska" -> Some(DoubleValue(3.0))
+    )
+  }
+
+  test("QueryData should return correct list result") {
+    val formatter = DateTimeFormatter.ofPattern("yyyyMMdd_HHmm")
+    val from = LocalDateTime.parse("20230516_0400", formatter)
+    val to = LocalDateTime.parse("20230516_0800", formatter)
+    val userQuery = UserQuery(List("Rīga"), "precipitation", AggregateKey.List)
+
+    val dbService = DBService.of.unsafeRunSync()
+
+    val lines = dbService.getInRange(from, to).unsafeRunSync()
+    val parsed = Parser.queryData(userQuery, lines)
+
+    parsed shouldBe HashMap(
+      "Rīga" ->
+        Some(TimeDoubleList(List(
+          (LocalDateTime.parse("2023-05-16T04:00"), Some(1.9)),
+          (LocalDateTime.parse("2023-05-16T05:00"), Some(4.5)),
+          (LocalDateTime.parse("2023-05-16T06:00"), Some(1.5)),
+          (LocalDateTime.parse("2023-05-16T07:00"), Some(0.0)),
+        )))
+    )
+  }
+}