#1353 changing assertion for typeahead test to ensure values returned…

… are unique. Adding test for when some of the values are null

vuu/src/test/scala/org/finos/vuu/core/table/InMemColumnValueProviderTest.scala

@@ -5,15 +5,16 @@ import org.finos.toolbox.lifecycle.LifecycleContainer
 import org.finos.toolbox.time.{Clock, TestFriendlyClock}
 import org.finos.vuu.api.TableDef
 import org.finos.vuu.provider.{JoinTableProviderImpl, MockProvider}
+import org.scalamock.scalatest.MockFactory
+import org.scalatest.Assertions
 import org.scalatest.featurespec.AnyFeatureSpec
 import org.scalatest.matchers.should.Matchers
 
-class InMemColumnValueProviderTest extends AnyFeatureSpec with Matchers {
+class InMemColumnValueProviderTest extends AnyFeatureSpec with Matchers with MockFactory  {
 
   implicit val clock: Clock = new TestFriendlyClock(10001L)
   implicit val lifecycle: LifecycleContainer = new LifecycleContainer()
   implicit val metricsProvider: MetricsProvider = new MetricsProviderImpl
-
   private val pricesDef: TableDef = TableDef(
     "prices",
     "id",
@@ -33,7 +34,35 @@ class InMemColumnValueProviderTest extends AnyFeatureSpec with Matchers {
 
       val uniqueValues = columnValueProvider.getUniqueValues("ric")
 
-      uniqueValues.toSet shouldBe Set("BT.L", "VOD.L")
+      uniqueValues should contain theSameElementsAs Vector("BT.L", "VOD.L")
+    }
+
+    Scenario("Get all unique value of a given column filtering out null") {
+      val table = givenTable(pricesDef)
+      val provider = new MockProvider(table)
+      val columnValueProvider = new InMemColumnValueProvider(table)
+
+      provider.tick("1", Map("id" -> "1", "ric" -> "VOD.L", "bid" -> 220, "ask" -> 223))
+      provider.tick("2", Map("id" -> "2", "ric" -> null, "bid" -> 500, "ask" -> 550))
+      provider.tick("3", Map("id" -> "3", "ric" ->  "VOD.L", "bid" -> 240, "ask" -> 244))
+
+      val uniqueValues = columnValueProvider.getUniqueValues("ric")
+
+      uniqueValues should contain theSameElementsAs Vector("VOD.L")
+
+    }
+
+    Scenario("Get all unique value of a given column returns empty when all values are null") {
+      val table = givenTable(pricesDef)
+      val provider = new MockProvider(table)
+      val columnValueProvider = new InMemColumnValueProvider(table)
+
+      provider.tick("1", Map("id" -> "1", "ric" -> null, "bid" -> 220, "ask" -> 223))
+      provider.tick("2", Map("id" -> "2", "ric" -> null, "bid" -> 500, "ask" -> 550))
+
+      val uniqueValues = columnValueProvider.getUniqueValues("ric")
+
+      uniqueValues shouldBe empty
     }
 
     Scenario("Get all unique value of a given column that starts with specified string") {
@@ -44,13 +73,13 @@ class InMemColumnValueProviderTest extends AnyFeatureSpec with Matchers {
       provider.tick("1", Map("id" -> "1", "ric" -> "VOA.L", "bid" -> 220, "ask" -> 223))
       provider.tick("2", Map("id" -> "2", "ric" -> "BT.L", "bid" -> 500, "ask" -> 550))
       provider.tick("3", Map("id" -> "3", "ric" -> "VOV.L", "bid" -> 240, "ask" -> 244))
+      provider.tick("4", Map("id" -> "4", "ric" -> null, "bid" -> 240, "ask" -> 244))
 
       val uniqueValues = columnValueProvider.getUniqueValuesStartingWith("ric", "VO")
 
-      uniqueValues.toSet shouldBe Set("VOA.L", "VOV.L")
+      uniqueValues should contain theSameElementsAs Vector("VOA.L", "VOV.L")
     }
 
-    //todo match for start with string should not be case sensitive
   }
 
   private def givenTable(tableDef: TableDef): InMemDataTable = new InMemDataTable(tableDef, JoinTableProviderImpl())