Migrate tests to Pest

tests/Integration/PostgreSQL/DocumentListTest.php

@@ -0,0 +1,96 @@
+<?php
+/**
+ * @author Daniel J. Summers <daniel@bitbadger.solutions>
+ * @license MIT
+ */
+
+declare(strict_types=1);
+
+use BitBadger\PDODocument\{DocumentException, DocumentList, Query};
+use BitBadger\PDODocument\Mapper\DocumentMapper;
+use Test\Integration\PostgreSQL\ThrowawayDb;
+use Test\Integration\TestDocument;
+
+pest()->group('integration', 'postgresql');
+
+describe('::create()', function () {
+    test('creates a document list', function () {
+        $list = DocumentList::create(Query::selectFromTable(ThrowawayDb::TABLE), [],
+            new DocumentMapper(TestDocument::class));
+        expect($list)->not->toBeNull();
+        $list = null; // free database result
+    });
+});
+
+describe('->items', function () {
+    test('enumerates items in the list', function () {
+        $list = DocumentList::create(Query::selectFromTable(ThrowawayDb::TABLE), [],
+            new DocumentMapper(TestDocument::class));
+        expect($list)->not->toBeNull();
+        $count = 0;
+        foreach ($list->items as $item) {
+            expect(['one', 'two', 'three', 'four', 'five'])->toContain($item->id);
+            $count++;
+        }
+        expect($count)->toBe(5);
+    });
+    test('fails when the list is exhausted', function () {
+        $list = DocumentList::create(Query::selectFromTable(ThrowawayDb::TABLE), [],
+            new DocumentMapper(TestDocument::class));
+        expect($list)->not->toBeNull()->hasItems->toBeTrue();
+        $ignored = iterator_to_array($list->items);
+        expect($list)->hasItems->toBeFalse()
+            ->and(fn () => iterator_to_array($list->items))->toThrow(DocumentException::class);
+    });
+});
+
+describe('->hasItems', function () {
+    test('returns false when no items are in the list', function () {
+        expect(DocumentList::create(
+                Query::selectFromTable(ThrowawayDb::TABLE) . " WHERE (data->>'num_value')::numeric < 0", [],
+                new DocumentMapper(TestDocument::class)))
+            ->not->toBeNull()
+            ->hasItems->toBeFalse();
+    });
+    test('returns true when items are in the list', function () {
+        $list = DocumentList::create(Query::selectFromTable(ThrowawayDb::TABLE), [],
+            new DocumentMapper(TestDocument::class));
+        expect($list)->not->toBeNull()->hasItems->toBeTrue();
+        foreach ($list->items as $ignored) {
+            expect($list)->hasItems->toBeTrue();
+        }
+        expect($list)->hasItems->toBeFalse();
+    });
+});
+
+describe('->map()', function () {
+    test('transforms the list', function () {
+        $list = DocumentList::create(Query::selectFromTable(ThrowawayDb::TABLE), [],
+            new DocumentMapper(TestDocument::class));
+        expect($list)->not->toBeNull()->hasItems->toBeTrue();
+        foreach ($list->map(fn($doc) => strrev($doc->id)) as $mapped) {
+            expect(['eno', 'owt', 'eerht', 'ruof', 'evif'])->toContain($mapped);
+        }
+    });
+});
+
+describe('->iter()', function () {
+    test('walks the list', function () {
+        $list = DocumentList::create(Query::selectFromTable(ThrowawayDb::TABLE), [],
+            new DocumentMapper(TestDocument::class));
+        expect($list)->not->toBeNull()->hasItems->toBeTrue();
+        $splats = [];
+        $list->iter(function ($doc) use (&$splats) { $splats[] = str_repeat('*', strlen($doc->id)); });
+        expect(implode(' ', $splats))->toBe('*** *** ***** **** ****');
+    });
+});
+
+describe('->mapToArray()', function () {
+    test('creates an associative array', function () {
+        $list = DocumentList::create(Query::selectFromTable(ThrowawayDb::TABLE), [],
+            new DocumentMapper(TestDocument::class));
+        expect($list)->not->toBeNull()->hasItems->toBeTrue()
+            ->and($list->mapToArray(fn($it) => $it->id, fn($it) => $it->value))
+            ->toBe(['one' => 'FIRST!', 'two' => 'another', 'three' => '', 'four' => 'purple', 'five' => 'purple']);
+    });
+});