fix: filter public messages correctly (#163)

Fixes #162

app-desktop/src/test/kotlin/kst4contest/view/ComposeMessageTableRefreshTest.kt

@@ -0,0 +1,60 @@
+package kst4contest.view
+
+import kst4contest.controller.ChatController
+import kst4contest.model.ChatMessage
+import kst4contest.view.compose.DataTableState
+import kst4contest.view.compose.RowKeys
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.Test
+import org.mockito.Mockito.mock
+import org.mockito.Mockito.`when`
+
+class ComposeMessageTableRefreshTest {
+
+    @Test
+    fun `refresh keeps public table on the filtered controller view`() {
+        val controller = mock(ChatController::class.java)
+        val privateToMe = message("private to me")
+        val publicInitial = message("public initial")
+        val betweenOthers = message("between others")
+        val directed = table()
+        val publicMessages = table()
+        val qsoOfTheOther = table()
+
+        `when`(controller.toMeMessages()).thenReturn(listOf(privateToMe))
+        `when`(controller.toAllMessages()).thenReturn(listOf(publicInitial))
+        `when`(controller.toOtherMessages()).thenReturn(listOf(betweenOthers))
+
+        Kst4ContestApplication.refreshComposeMessageTables(
+            controller,
+            directed,
+            publicMessages,
+            qsoOfTheOther,
+        )
+
+        assertEquals(listOf(privateToMe), directed.rows)
+        assertEquals(listOf(publicInitial), publicMessages.rows)
+        assertEquals(listOf(betweenOthers), qsoOfTheOther.rows)
+
+        val publicLater = message("public later")
+        `when`(controller.toAllMessages()).thenReturn(listOf(publicLater, publicInitial))
+
+        Kst4ContestApplication.refreshComposeMessageTables(
+            controller,
+            directed,
+            publicMessages,
+            qsoOfTheOther,
+        )
+
+        assertEquals(listOf(publicLater, publicInitial), publicMessages.rows)
+    }
+
+    private fun table() = DataTableState(
+        columns = emptyList(),
+        rowKey = RowKeys.byReference<ChatMessage>(),
+    )
+
+    private fun message(text: String) = ChatMessage().apply {
+        messageText = text
+    }
+}