test: add tests for zero proximity pager, empty pager, and test curre…

…nt count for all pagers (#12)

CHANGELOG.md

@@ -1,5 +1,11 @@
 # Changelog
 
+## 0.5.3
+
+* test: add tests for zero proximity pager, empty pager, and test current count for all
+  pagers
+* fix(`OffsetPage`): fix `OutOfBoundsException` on an empty first page.
+
 ## 0.5.2
 
 * refactor: `PagerItemInterface` methods now returns itself, instead of

packages/rekapager-offset-pagination/src/Internal/OffsetPage.php

@@ -73,7 +73,7 @@ public function getPageable(): PageableInterface
     private function getResult(): array
     {
         if ($this->result !== null) {
-            if (\count($this->result) === 0) {
+            if (\count($this->result) === 0 && $this->pageNumber !== 1) {
                 throw new OutOfBoundsException('The page does not exist.');
             }
 

tests/src/IntegrationTests/Pager/CountAwareKeysetPagerTest.php

@@ -46,6 +46,7 @@ public function testLastPage(string $pageableGeneratorClass): void
             currentPageNumber: 21,
             previousPageNumbers: [17, 18, 19, 20],
             nextPageNumbers: [],
+            currentCount: 3,
         );
     }
 }

tests/src/IntegrationTests/Pager/EmptyPagerTest.php

@@ -0,0 +1,51 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of rekalogika/rekapager package.
+ *
+ * (c) Priyadi Iman Nurcahyo <https://rekalogika.dev>
+ *
+ * For the full copyright and license information, please view the LICENSE file
+ * that was distributed with this source code.
+ */
+
+namespace Rekalogika\Rekapager\Tests\IntegrationTests\Pager;
+
+use PHPUnit\Framework\Attributes\DataProviderExternal;
+use Rekalogika\Rekapager\Tests\IntegrationTests\DataProvider\PageableGeneratorProvider;
+
+class EmptyPagerTest extends PagerTestCase
+{
+    protected function getSetName(): string
+    {
+        return 'empty';
+    }
+
+    #[DataProviderExternal(PageableGeneratorProvider::class, 'all')]
+    public function testFirstPage(string $pageableGeneratorClass): void
+    {
+        $pageable = $this->createPageableFromGenerator($pageableGeneratorClass);
+        $pager = $this->createPagerFromPageable($pageable);
+
+        $this->assertPager(
+            $pager,
+            proximity: 2,
+            hasPrevious: false,
+            hasNext: false,
+            hasFirst: false,
+            hasLast: false,
+            hasGapToFirstPage: false,
+            hasGapToLastPage: false,
+            numOfPreviousNeighboringPages: 0,
+            numOfNextNeighboringPages: 0,
+            firstPageNumber: null,
+            lastPageNumber: null,
+            currentPageNumber: 1,
+            previousPageNumbers: [],
+            nextPageNumbers: [],
+            currentCount: 0,
+        );
+    }
+}

tests/src/IntegrationTests/Pager/EmptyZeroProximityPagerTest.php

@@ -0,0 +1,56 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of rekalogika/rekapager package.
+ *
+ * (c) Priyadi Iman Nurcahyo <https://rekalogika.dev>
+ *
+ * For the full copyright and license information, please view the LICENSE file
+ * that was distributed with this source code.
+ */
+
+namespace Rekalogika\Rekapager\Tests\IntegrationTests\Pager;
+
+use PHPUnit\Framework\Attributes\DataProviderExternal;
+use Rekalogika\Rekapager\Tests\IntegrationTests\DataProvider\PageableGeneratorProvider;
+
+class EmptyZeroProximityPagerTest extends PagerTestCase
+{
+    protected function getSetName(): string
+    {
+        return 'empty';
+    }
+
+    protected function getProximity(): int
+    {
+        return 0;
+    }
+
+    #[DataProviderExternal(PageableGeneratorProvider::class, 'all')]
+    public function testFirstPage(string $pageableGeneratorClass): void
+    {
+        $pageable = $this->createPageableFromGenerator($pageableGeneratorClass);
+        $pager = $this->createPagerFromPageable($pageable);
+
+        $this->assertPager(
+            $pager,
+            proximity: 0,
+            hasPrevious: false,
+            hasNext: false,
+            hasFirst: false,
+            hasLast: false,
+            hasGapToFirstPage: false,
+            hasGapToLastPage: false,
+            numOfPreviousNeighboringPages: 0,
+            numOfNextNeighboringPages: 0,
+            firstPageNumber: null,
+            lastPageNumber: null,
+            currentPageNumber: 1,
+            previousPageNumbers: [],
+            nextPageNumbers: [],
+            currentCount: 0,
+        );
+    }
+}

tests/src/IntegrationTests/Pager/KeysetPagerTest.php

@@ -40,6 +40,7 @@ public function testFirstPage(string $pageableGeneratorClass): void
             currentPageNumber: 1,
             previousPageNumbers: [],
             nextPageNumbers: [2, 3, 4, 5],
+            currentCount: 5,
         );
     }
 
@@ -66,6 +67,7 @@ public function testSecondPage(string $pageableGeneratorClass): void
             currentPageNumber: 2,
             previousPageNumbers: [],
             nextPageNumbers: [3, 4, 5],
+            currentCount: 5,
         );
     }
 
@@ -92,6 +94,7 @@ public function testThirdPage(string $pageableGeneratorClass): void
             currentPageNumber: 3,
             previousPageNumbers: [2],
             nextPageNumbers: [4, 5],
+            currentCount: 5,
         );
     }
 
@@ -118,6 +121,7 @@ public function testFourthPage(string $pageableGeneratorClass): void
             currentPageNumber: 4,
             previousPageNumbers: [2, 3],
             nextPageNumbers: [5, 6],
+            currentCount: 5,
         );
     }
 
@@ -144,6 +148,7 @@ public function testFifthPage(string $pageableGeneratorClass): void
             currentPageNumber: 5,
             previousPageNumbers: [2, 3, 4],
             nextPageNumbers: [6, 7],
+            currentCount: 5,
         );
     }
 
@@ -170,6 +175,7 @@ public function testSixthPage(string $pageableGeneratorClass): void
             currentPageNumber: 6,
             previousPageNumbers: [4, 5],
             nextPageNumbers: [7, 8],
+            currentCount: 5,
         );
     }
 
@@ -196,6 +202,7 @@ public function testLastPage(string $pageableGeneratorClass): void
             currentPageNumber: -1,
             previousPageNumbers: [-5, -4, -3, -2],
             nextPageNumbers: [],
+            currentCount: 5,
         );
     }
 
@@ -222,6 +229,7 @@ public function testSecondLastPage(string $pageableGeneratorClass): void
             currentPageNumber: -2,
             previousPageNumbers: [-5, -4, -3,],
             nextPageNumbers: [],
+            currentCount: 5,
         );
     }
 
@@ -248,6 +256,7 @@ public function testThirdLastPage(string $pageableGeneratorClass): void
             currentPageNumber: -3,
             previousPageNumbers: [-5, -4],
             nextPageNumbers: [-2],
+            currentCount: 5,
         );
     }
 
@@ -274,6 +283,7 @@ public function testFourthLastPage(string $pageableGeneratorClass): void
             currentPageNumber: -4,
             previousPageNumbers: [-6, -5],
             nextPageNumbers: [-3, -2],
+            currentCount: 5,
         );
     }
 
@@ -300,6 +310,7 @@ public function testFifthLastPage(string $pageableGeneratorClass): void
             currentPageNumber: -5,
             previousPageNumbers: [-7, -6],
             nextPageNumbers: [-4, -3, -2],
+            currentCount: 5,
         );
     }
 
@@ -326,6 +337,7 @@ public function testSixthLastPage(string $pageableGeneratorClass): void
             currentPageNumber: -6,
             previousPageNumbers: [-8, -7],
             nextPageNumbers: [-5, -4],
+            currentCount: 5,
         );
     }
 }