SelectedCensusListControllerPageNumberTest

src/test/java/scot/carricksoftware/grants/controllers/census/selectedcensus/SelectedCensusListControllerPageNumberTest.java

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+/*
+ * Copyright (c) Andrew Grant of Carrick Software 21/03/2025, 00:30. All rights reserved.
+ *
+ */
+
+package scot.carricksoftware.grants.controllers.census.selectedcensus;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.Mock;
+import org.mockito.junit.jupiter.MockitoExtension;
+import org.springframework.ui.Model;
+import scot.carricksoftware.grants.controllers.ControllerHelper;
+import scot.carricksoftware.grants.services.census.census.CensusService;
+import scot.carricksoftware.grants.services.census.selectedcensus.SelectedCensusEntryService;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+
+@ExtendWith(MockitoExtension.class)
+public class SelectedCensusListControllerPageNumberTest {
+
+    private SelectedCensusListControllerImpl controller;
+
+    @Mock
+    private ControllerHelper controllerHelperMock;
+
+    @Mock
+    private CensusService censusServiceMock;
+
+    @Mock
+    private SelectedCensusEntryService selectedCensusEntryServiceMock;
+
+    @Mock
+    private Model modelMock;
+
+    @BeforeEach
+    public void setUp() {
+        controller = new SelectedCensusListControllerImpl(controllerHelperMock,
+                selectedCensusEntryServiceMock,
+                censusServiceMock);
+    }
+
+    @Test
+    public void getNextPlaceTest() {
+        controller.getListPage(modelMock);
+        int page = controller.getPageNumber();
+        controller.getNextPage(modelMock);
+        assertEquals(page+1, controller.getPageNumber());
+    }
+
+    @Test
+    public void getPreviousPlaceZeroTest() {
+        controller.getListPage(modelMock);
+        assertEquals(0, controller.getPageNumber());
+        controller.getPreviousPage(modelMock);
+        assertEquals(0, controller.getPageNumber());
+    }
+
+    @Test
+    public void getPreviousPlaceNonZeroTest() {
+        controller.getListPage(modelMock);
+        final int ten = 10;
+        do {
+            controller.getNextPage(modelMock);
+        } while (controller.getPageNumber() < ten);
+        controller.getPreviousPage(modelMock);
+        assertEquals(ten - 1, controller.getPageNumber());
+    }
+
+
+}