Migrate tests to Pest (#8)

Reviewed-on: #8

tests/Integration/PostgreSQL/CountTest.php

@@ -0,0 +1,45 @@
+<?php
+/**
+ * @author Daniel J. Summers <daniel@bitbadger.solutions>
+ * @license MIT
+ */
+
+declare(strict_types=1);
+
+use BitBadger\PDODocument\{Count, Field};
+use Test\Integration\PostgreSQL\ThrowawayDb;
+
+pest()->group('integration', 'postgresql');
+
+describe('::all()', function () {
+    test('counts all documents', function () {
+        expect(Count::all(ThrowawayDb::TABLE))->toBe(5);
+    });
+});
+
+describe('::byFields()', function () {
+    test('counts for numeric range correctly', function () {
+        expect(Count::byFields(ThrowawayDb::TABLE, [Field::between('num_value', 10, 20)]))->toBe(3);
+    });
+    test('counts for non-numeric range correctly', function () {
+        expect(Count::byFields(ThrowawayDb::TABLE, [Field::between('value', 'aardvark', 'apple')]))->toBe(1);
+    });
+});
+
+describe('::byContains()', function () {
+    test('counts matching documents', function () {
+        expect(Count::byContains(ThrowawayDb::TABLE, ['value' => 'purple']))->toBe(2);
+    });
+    test('returns 0 for no matching documents', function () {
+        expect(Count::byContains(ThrowawayDb::TABLE, ['value' => 'magenta']))->toBe(0);
+    });
+});
+
+describe('::byJsonPath()', function () {
+    test('counts matching documents', function () {
+        expect(Count::byJsonPath(ThrowawayDb::TABLE, '$.num_value ? (@ < 5)'))->toBe(2);
+    });
+    test('returns 0 for no matching documents', function () {
+        expect(Count::byJsonPath(ThrowawayDb::TABLE, '$.num_value ? (@ > 100)'))->toBe(0);
+    });
+});