Initial SQLite development (#1)

Reviewed-on: #1

tests/integration/SubDocument.php

@@ -0,0 +1,11 @@
+<?php declare(strict_types=1);
+
+namespace Test\Integration;
+
+/**
+ * A sub-document for testing
+ */
+class SubDocument
+{
+    public function __construct(public string $foo = '', public string $bar = '') { }
+}

tests/integration/TestDocument.php

@@ -0,0 +1,9 @@
+<?php declare(strict_types=1);
+
+namespace Test\Integration;
+
+class TestDocument
+{
+    public function __construct(public string $id = '', public string $value = '', public int $num_value = 0,
+                                public ?SubDocument $sub = null) { }
+}

tests/integration/sqlite/CountTest.php

@@ -0,0 +1,47 @@
+<?php declare(strict_types=1);
+
+namespace Test\Integration\SQLite;
+
+use BitBadger\PDODocument\{Count, Field};
+use PHPUnit\Framework\Attributes\TestDox;
+use PHPUnit\Framework\TestCase;
+
+/**
+ * SQLite integration tests for the Count class
+ */
+#[TestDox('Count (SQLite integration)')]
+class CountTest extends TestCase
+{
+    /** @var string Database name for throwaway database */
+    private string $dbName;
+
+    protected function setUp(): void
+    {
+        parent::setUp();
+        $this->dbName = ThrowawayDb::create();
+    }
+
+    protected function tearDown(): void
+    {
+        ThrowawayDb::destroy($this->dbName);
+        parent::tearDown();
+    }
+
+    public function testAllSucceeds(): void
+    {
+        $count = Count::all(ThrowawayDb::TABLE);
+        $this->assertEquals(5, $count, 'There should have been 5 matching documents');
+    }
+
+    public function testByFieldsSucceedsForANumericRange(): void
+    {
+        $count = Count::byFields(ThrowawayDb::TABLE, [Field::BT('num_value', 10, 20)]);
+        $this->assertEquals(3, $count, 'There should have been 3 matching documents');
+    }
+
+    public function testByFieldsSucceedsForANonNumericRange(): void
+    {
+        $count = Count::byFields(ThrowawayDb::TABLE, [Field::BT('value', 'aardvark', 'apple')]);
+        $this->assertEquals(1, $count, 'There should have been 1 matching document');
+    }
+}

tests/integration/sqlite/CustomTest.php

@@ -0,0 +1,119 @@
+<?php declare(strict_types=1);
+
+namespace Test\Integration\SQLite;
+
+use BitBadger\PDODocument\{Count, Custom, DocumentException, Query};
+use BitBadger\PDODocument\Mapper\{CountMapper, DocumentMapper};
+use PHPUnit\Framework\Attributes\TestDox;
+use PHPUnit\Framework\TestCase;
+use Test\Integration\TestDocument;
+
+/**
+ * SQLite Integration tests for the Custom class
+ */
+#[TestDox('Custom (SQLite integration)')]
+class CustomTest extends TestCase
+{
+    /** @var string Database name for throwaway database */
+    private string $dbName;
+
+    public function setUp(): void
+    {
+        parent::setUp();
+        $this->dbName = ThrowawayDb::create();
+    }
+
+    public function tearDown(): void
+    {
+        ThrowawayDb::destroy($this->dbName);
+    }
+
+    public function testRunQuerySucceedsWithAValidQuery()
+    {
+        $stmt = &Custom::runQuery('SELECT data FROM ' . ThrowawayDb::TABLE . ' LIMIT 1', []);
+        try {
+            $this->assertNotNull($stmt, 'The statement should not have been null');
+        } finally {
+            $stmt = null;
+        }
+    }
+
+    public function testRunQueryFailsWithAnInvalidQuery()
+    {
+        $this->expectException(DocumentException::class);
+        $stmt = &Custom::runQuery('GRAB stuff FROM over_there UNTIL done', []);
+        try {
+            $this->assertTrue(false, 'This code should not be reached');
+        } finally {
+            $stmt = null;
+        }
+    }
+
+    public function testListSucceedsWhenDataIsFound()
+    {
+        $list = Custom::list(Query::selectFromTable(ThrowawayDb::TABLE), [], new DocumentMapper(TestDocument::class));
+        $this->assertNotNull($list, 'The document list should not be null');
+        $count = 0;
+        foreach ($list->items() as $ignored) $count++;
+        $this->assertEquals(5, $count, 'There should have been 5 documents in the list');
+    }
+
+    public function testListSucceedsWhenNoDataIsFound()
+    {
+        $list = Custom::list(Query::selectFromTable(ThrowawayDb::TABLE) . " WHERE data->>'num_value' > :value",
+            [':value' => 100], new DocumentMapper(TestDocument::class));
+        $this->assertNotNull($list, 'The document list should not be null');
+        $this->assertFalse($list->hasItems(), 'There should have been no documents in the list');
+    }
+
+    public function testArraySucceedsWhenDataIsFound()
+    {
+        $array = Custom::array(Query::selectFromTable(ThrowawayDb::TABLE) . " WHERE data->>'sub' IS NOT NULL", [],
+            new DocumentMapper(TestDocument::class));
+        $this->assertNotNull($array, 'The document array should not be null');
+        $this->assertCount(2, $array, 'There should have been 2 documents in the array');
+    }
+
+    public function testArraySucceedsWhenNoDataIsFound()
+    {
+        $array = Custom::array(Query::selectFromTable(ThrowawayDb::TABLE) . " WHERE data->>'value' = :value",
+            [':value' => 'not there'], new DocumentMapper(TestDocument::class));
+        $this->assertNotNull($array, 'The document array should not be null');
+        $this->assertCount(0, $array, 'There should have been no documents in the array');
+    }
+
+    public function testSingleSucceedsWhenARowIsFound(): void
+    {
+        $doc = Custom::single('SELECT data FROM ' . ThrowawayDb::TABLE . " WHERE data->>'id' = :id", [':id' => 'one'],
+            new DocumentMapper(TestDocument::class));
+        $this->assertNotNull($doc, 'There should have been a document returned');
+        $this->assertEquals('one', $doc->id, 'The incorrect document was returned');
+    }
+
+    public function testSingleSucceedsWhenARowIsNotFound(): void
+    {
+        $doc = Custom::single('SELECT data FROM ' . ThrowawayDb::TABLE . " WHERE data->>'id' = :id",
+            [':id' => 'eighty'], new DocumentMapper(TestDocument::class));
+        $this->assertFalse($doc, 'There should not have been a document returned');
+    }
+
+    public function testNonQuerySucceedsWhenOperatingOnData()
+    {
+        Custom::nonQuery('DELETE FROM ' . ThrowawayDb::TABLE, []);
+        $remaining = Count::all(ThrowawayDb::TABLE);
+        $this->assertEquals(0, $remaining, 'There should be no documents remaining in the table');
+    }
+
+    public function testNonQuerySucceedsWhenNoDataMatchesWhereClause()
+    {
+        Custom::nonQuery('DELETE FROM ' . ThrowawayDb::TABLE . " WHERE data->>'num_value' > :value", [':value' => 100]);
+        $remaining = Count::all(ThrowawayDb::TABLE);
+        $this->assertEquals(5, $remaining, 'There should be 5 documents remaining in the table');
+    }
+
+    public function testScalarSucceeds()
+    {
+        $value = Custom::scalar("SELECT 5 AS it", [], new CountMapper());
+        $this->assertEquals(5, $value, 'The scalar value was not returned correctly');
+    }
+}

tests/integration/sqlite/DefinitionTest.php

@@ -0,0 +1,60 @@
+<?php
+
+namespace Test\Integration\SQLite;
+
+use BitBadger\PDODocument\{Custom, Definition, DocumentException};
+use BitBadger\PDODocument\Mapper\ExistsMapper;
+use PHPUnit\Framework\Attributes\TestDox;
+use PHPUnit\Framework\TestCase;
+
+/**
+ * SQLite integration tests for the Definition class
+ */
+#[TestDox('Definition (SQLite integration)')]
+class DefinitionTest extends TestCase
+{
+    /** @var string Database name for throwaway database */
+    private string $dbName;
+
+    protected function setUp(): void
+    {
+        parent::setUp();
+        $this->dbName = ThrowawayDb::create(withData: false);
+    }
+
+    protected function tearDown(): void
+    {
+        ThrowawayDb::destroy($this->dbName);
+        parent::tearDown();
+    }
+
+    /**
+     * Does the given named object exist in the database?
+     *
+     * @param string $name The name of the object whose existence should be verified
+     * @return bool True if the object exists, false if not
+     * @throws DocumentException If any is encountered
+     */
+    private function itExists(string $name): bool
+    {
+        return Custom::scalar('SELECT EXISTS (SELECT 1 FROM sqlite_master WHERE name = :name)',
+            [':name' => $name], new ExistsMapper());
+    }
+
+    public function testEnsureTableSucceeds()
+    {
+        $this->assertFalse($this->itExists('ensured'), 'The table should not exist already');
+        $this->assertFalse($this->itExists('idx_ensured_key'), 'The key index should not exist already');
+        Definition::ensureTable('ensured');
+        $this->assertTrue($this->itExists('ensured'), 'The table should now exist');
+        $this->assertTrue($this->itExists('idx_ensured_key'), 'The key index should now exist');
+    }
+
+    public function testEnsureFieldIndexSucceeds()
+    {
+        $this->assertFalse($this->itExists('idx_ensured_test'), 'The index should not exist already');
+        Definition::ensureTable('ensured');
+        Definition::ensureFieldIndex('ensured', 'test', ['name', 'age']);
+        $this->assertTrue($this->itExists('idx_ensured_test'), 'The index should now exist');
+    }
+}

tests/integration/sqlite/DeleteTest.php

@@ -0,0 +1,59 @@
+<?php declare(strict_types=1);
+
+namespace Test\Integration\SQLite;
+
+use BitBadger\PDODocument\{Count, Delete, Field};
+use PHPUnit\Framework\Attributes\TestDox;
+use PHPUnit\Framework\TestCase;
+
+/**
+ * SQLite integration tests for the Delete class
+ */
+#[TestDox('Delete (SQLite integration)')]
+class DeleteTest extends TestCase
+{
+    /** @var string Database name for throwaway database */
+    private string $dbName;
+
+    protected function setUp(): void
+    {
+        parent::setUp();
+        $this->dbName = ThrowawayDb::create();
+    }
+
+    protected function tearDown(): void
+    {
+        ThrowawayDb::destroy($this->dbName);
+        parent::tearDown();
+    }
+
+    #[TestDox('By ID succeeds when a document is deleted')]
+    public function testByIdSucceedsWhenADocumentIsDeleted(): void
+    {
+        $this->assertEquals(5, Count::all(ThrowawayDb::TABLE), 'There should have been 5 documents to start');
+        Delete::byId(ThrowawayDb::TABLE, 'four');
+        $this->assertEquals(4, Count::all(ThrowawayDb::TABLE), 'There should have been 4 documents remaining');
+    }
+
+    #[TestDox('By ID succeeds when a document is not deleted')]
+    public function testByIdSucceedsWhenADocumentIsNotDeleted(): void
+    {
+        $this->assertEquals(5, Count::all(ThrowawayDb::TABLE), 'There should have been 5 documents to start');
+        Delete::byId(ThrowawayDb::TABLE, 'negative four');
+        $this->assertEquals(5, Count::all(ThrowawayDb::TABLE), 'There should have been 5 documents remaining');
+    }
+
+    public function testByFieldsSucceedsWhenDocumentsAreDeleted(): void
+    {
+        $this->assertEquals(5, Count::all(ThrowawayDb::TABLE), 'There should have been 5 documents to start');
+        Delete::byFields(ThrowawayDb::TABLE, [Field::NE('value', 'purple')]);
+        $this->assertEquals(2, Count::all(ThrowawayDb::TABLE), 'There should have been 2 documents remaining');
+    }
+
+    public function testByFieldsSucceedsWhenDocumentsAreNotDeleted(): void
+    {
+        $this->assertEquals(5, Count::all(ThrowawayDb::TABLE), 'There should have been 5 documents to start');
+        Delete::byFields(ThrowawayDb::TABLE, [Field::EQ('value', 'crimson')]);
+        $this->assertEquals(5, Count::all(ThrowawayDb::TABLE), 'There should have been 5 documents remaining');
+    }
+}

tests/integration/sqlite/DocumentListTest.php

@@ -0,0 +1,73 @@
+<?php declare(strict_types=1);
+
+namespace Test\Integration\SQLite;
+
+use BitBadger\PDODocument\{DocumentList, Query};
+use BitBadger\PDODocument\Mapper\DocumentMapper;
+use PHPUnit\Framework\Attributes\TestDox;
+use PHPUnit\Framework\TestCase;
+use Test\Integration\TestDocument;
+
+/**
+ * SQLite integration tests for the DocumentList class
+ */
+#[TestDox('DocumentList (SQLite integration)')]
+class DocumentListTest extends TestCase
+{
+    /** @var string Database name for throwaway database */
+    private string $dbName;
+
+    protected function setUp(): void
+    {
+        parent::setUp();
+        $this->dbName = ThrowawayDb::create();
+    }
+
+    protected function tearDown(): void
+    {
+        ThrowawayDb::destroy($this->dbName);
+        parent::tearDown();
+    }
+
+    public function testCreateSucceeds(): void
+    {
+        $list = DocumentList::create(Query::selectFromTable(ThrowawayDb::TABLE), [],
+            new DocumentMapper(TestDocument::class));
+        $this->assertNotNull($list, 'There should have been a document list created');
+        $list = null;
+    }
+
+    public function testItems(): void
+    {
+        $list = DocumentList::create(Query::selectFromTable(ThrowawayDb::TABLE), [],
+            new DocumentMapper(TestDocument::class));
+        $this->assertNotNull($list, 'There should have been a document list created');
+        $count = 0;
+        foreach ($list->items() as $item) {
+            $this->assertContains($item->id, ['one', 'two', 'three', 'four', 'five'],
+                'An unexpected document ID was returned');
+            $count++;
+        }
+        $this->assertEquals(5, $count, 'There should have been 5 documents returned');
+    }
+
+    public function testHasItemsSucceedsWithEmptyResults(): void
+    {
+        $list = DocumentList::create(Query::selectFromTable(ThrowawayDb::TABLE) . " WHERE data->>'num_value' < 0", [],
+            new DocumentMapper(TestDocument::class));
+        $this->assertNotNull($list, 'There should have been a document list created');
+        $this->assertFalse($list->hasItems(), 'There should be no items in the list');
+    }
+
+    public function testHasItemsSucceedsWithNonEmptyResults(): void
+    {
+        $list = DocumentList::create(Query::selectFromTable(ThrowawayDb::TABLE), [],
+            new DocumentMapper(TestDocument::class));
+        $this->assertNotNull($list, 'There should have been a document list created');
+        $this->assertTrue($list->hasItems(), 'There should be items in the list');
+        foreach ($list->items() as $ignored) {
+            $this->assertTrue($list->hasItems(), 'There should be items remaining in the list');
+        }
+        $this->assertFalse($list->hasItems(), 'There should be no remaining items in the list');
+    }
+}

tests/integration/sqlite/DocumentTest.php

@@ -0,0 +1,84 @@
+<?php declare(strict_types=1);
+
+namespace Test\Integration\SQLite;
+
+use BitBadger\PDODocument\{Document, DocumentException, Find};
+use PHPUnit\Framework\Attributes\TestDox;
+use PHPUnit\Framework\TestCase;
+use Test\Integration\{SubDocument, TestDocument};
+
+/**
+ * SQLite integration tests for the Document class
+ */
+#[TestDox('Document (SQLite integration)')]
+class DocumentTest extends TestCase
+{
+    /** @var string Database name for throwaway database */
+    private string $dbName;
+
+    protected function setUp(): void
+    {
+        parent::setUp();
+        $this->dbName = ThrowawayDb::create();
+    }
+
+    protected function tearDown(): void
+    {
+        ThrowawayDb::destroy($this->dbName);
+        parent::tearDown();
+    }
+
+    public function testInsertSucceeds(): void
+    {
+        Document::insert(ThrowawayDb::TABLE, new TestDocument('turkey', sub: new SubDocument('gobble', 'gobble')));
+        $doc = Find::byId(ThrowawayDb::TABLE, 'turkey', TestDocument::class);
+        $this->assertNotFalse($doc, 'There should have been a document inserted');
+        $this->assertEquals('turkey', $doc->id, 'The ID was incorrect');
+        $this->assertEquals('', $doc->value, 'The value was incorrect');
+        $this->assertEquals(0, $doc->num_value, 'The numeric value was incorrect');
+        $this->assertNotNull($doc->sub, 'The sub-document should not have been null');
+        $this->assertEquals('gobble', $doc->sub->foo, 'The sub-document foo property was incorrect');
+        $this->assertEquals('gobble', $doc->sub->bar, 'The sub-document bar property was incorrect');
+    }
+
+    public function testInsertFailsForDuplicateKey(): void
+    {
+        $this->expectException(DocumentException::class);
+        Document::insert(ThrowawayDb::TABLE, new TestDocument('one'));
+    }
+
+    public function testSaveSucceedsWhenADocumentIsInserted(): void
+    {
+        Document::save(ThrowawayDb::TABLE, new TestDocument('test', sub: new SubDocument('a', 'b')));
+        $doc = Find::byId(ThrowawayDb::TABLE, 'one', TestDocument::class);
+        $this->assertNotFalse($doc, 'There should have been a document returned');
+    }
+
+    public function testSaveSucceedsWhenADocumentIsUpdated(): void
+    {
+        Document::save(ThrowawayDb::TABLE, new TestDocument('two', num_value: 44));
+        $doc = Find::byId(ThrowawayDb::TABLE, 'two', TestDocument::class);
+        $this->assertNotFalse($doc, 'There should have been a document returned');
+        $this->assertEquals(44, $doc->num_value, 'The numeric value was not updated');
+        $this->assertNull($doc->sub, 'The sub-document should have been null');
+    }
+
+    public function testUpdateSucceedsWhenReplacingADocument(): void
+    {
+        Document::update(ThrowawayDb::TABLE, 'one', new TestDocument('one', 'howdy', 8, new SubDocument('y', 'z')));
+        $doc = Find::byId(ThrowawayDb::TABLE, 'one', TestDocument::class);
+        $this->assertNotFalse($doc, 'There should have been a document returned');
+        $this->assertEquals('howdy', $doc->value, 'The value was incorrect');
+        $this->assertEquals(8, $doc->num_value, 'The numeric value was incorrect');
+        $this->assertNotNull($doc->sub, 'The sub-document should not have been null');
+        $this->assertEquals('y', $doc->sub->foo, 'The sub-document foo property was incorrect');
+        $this->assertEquals('z', $doc->sub->bar, 'The sub-document bar property was incorrect');
+    }
+
+    public function testUpdateSucceedsWhenNoDocumentIsReplaced(): void
+    {
+        Document::update(ThrowawayDb::TABLE, 'two-hundred', new TestDocument('200'));
+        $doc = Find::byId(ThrowawayDb::TABLE, 'two-hundred', TestDocument::class);
+        $this->assertFalse($doc, 'There should not have been a document returned');
+    }
+}

tests/integration/sqlite/ExistsTest.php

@@ -0,0 +1,54 @@
+<?php declare(strict_types=1);
+
+namespace Test\Integration\SQLite;
+
+use BitBadger\PDODocument\{Exists, Field};
+use PHPUnit\Framework\Attributes\TestDox;
+use PHPUnit\Framework\TestCase;
+
+/**
+ * SQLite integration tests for the Exists class
+ */
+#[TestDox('Exists (SQLite integration)')]
+class ExistsTest extends TestCase
+{
+    /** @var string Database name for throwaway database */
+    private string $dbName;
+
+    protected function setUp(): void
+    {
+        parent::setUp();
+        $this->dbName = ThrowawayDb::create();
+    }
+
+    protected function tearDown(): void
+    {
+        ThrowawayDb::destroy($this->dbName);
+        parent::tearDown();
+    }
+
+    #[TestDox('By ID succeeds when a document exists')]
+    public function testByIdSucceedsWhenADocumentExists(): void
+    {
+        $this->assertTrue(Exists::byId(ThrowawayDb::TABLE, 'three'), 'There should have been an existing document');
+    }
+
+    #[TestDox('By ID succeeds when a document does not exist')]
+    public function testByIdSucceedsWhenADocumentDoesNotExist(): void
+    {
+        $this->assertFalse(Exists::byId(ThrowawayDb::TABLE, 'seven'),
+            'There should not have been an existing document');
+    }
+
+    public function testByFieldsSucceedsWhenDocumentsExist(): void
+    {
+        $this->assertTrue(Exists::byFields(ThrowawayDb::TABLE, [Field::EQ('num_value', 10)]),
+            'There should have been existing documents');
+    }
+
+    public function testByFieldsSucceedsWhenNoMatchingDocumentsExist(): void
+    {
+        $this->assertFalse(Exists::byFields(ThrowawayDb::TABLE, [Field::LT('nothing', 'none')]),
+            'There should not have been any existing documents');
+    }
+}

tests/integration/sqlite/FindTest.php

@@ -0,0 +1,109 @@
+<?php declare(strict_types=1);
+
+namespace Test\Integration\SQLite;
+
+use BitBadger\PDODocument\{Custom, Document, Field, Find};
+use PHPUnit\Framework\Attributes\TestDox;
+use PHPUnit\Framework\TestCase;
+use Test\Integration\TestDocument;
+
+/**
+ * SQLite integration tests for the Find class
+ */
+#[TestDox('Find (SQLite integration)')]
+class FindTest extends TestCase
+{
+    /** @var string Database name for throwaway database */
+    private string $dbName;
+
+    protected function setUp(): void
+    {
+        parent::setUp();
+        $this->dbName = ThrowawayDb::create();
+    }
+
+    protected function tearDown(): void
+    {
+        ThrowawayDb::destroy($this->dbName);
+        parent::tearDown();
+    }
+
+    public function testAllSucceedsWhenThereIsData(): void
+    {
+        $docs = Find::all(ThrowawayDb::TABLE, TestDocument::class);
+        $this->assertNotNull($docs, 'There should have been a document list returned');
+        $count = 0;
+        foreach ($docs->items() as $ignored) $count++;
+        $this->assertEquals(5, $count, 'There should have been 5 documents in the list');
+    }
+
+    public function testAllSucceedsWhenThereIsNoData(): void
+    {
+        Custom::nonQuery('DELETE FROM ' . ThrowawayDb::TABLE, []);
+        $docs = Find::all(ThrowawayDb::TABLE, TestDocument::class);
+        $this->assertNotNull($docs, 'There should have been a document list returned');
+        $this->assertFalse($docs->hasItems(), 'There should have been no documents in the list');
+    }
+
+    #[TestDox('By ID succeeds when a document is found')]
+    public function testByIdSucceedsWhenADocumentIsFound(): void
+    {
+        $doc = Find::byId(ThrowawayDb::TABLE, 'two', TestDocument::class);
+        $this->assertNotFalse($doc, 'There should have been a document returned');
+        $this->assertEquals('two', $doc->id, 'An incorrect document was returned');
+    }
+
+    #[TestDox('By ID succeeds when a document is found with numeric ID')]
+    public function testByIdSucceedsWhenADocumentIsFoundWithNumericId(): void
+    {
+        Document::insert(ThrowawayDb::TABLE, ['id' => 18, 'value' => 'howdy']);
+        $doc = Find::byId(ThrowawayDb::TABLE, 18, TestDocument::class);
+        $this->assertNotFalse($doc, 'There should have been a document returned');
+        $this->assertEquals('18', $doc->id, 'An incorrect document was returned');
+    }
+
+    #[TestDox('By ID succeeds when a document is not found')]
+    public function testByIdSucceedsWhenADocumentIsNotFound(): void
+    {
+        $doc = Find::byId(ThrowawayDb::TABLE, 'seventy-five', TestDocument::class);
+        $this->assertFalse($doc, 'There should not have been a document returned');
+    }
+
+    public function testByFieldsSucceedsWhenDocumentsAreFound(): void
+    {
+        $docs = Find::byFields(ThrowawayDb::TABLE, [Field::GT('num_value', 15)], TestDocument::class);
+        $this->assertNotNull($docs, 'There should have been a document list returned');
+        $count = 0;
+        foreach ($docs->items() as $ignored) $count++;
+        $this->assertEquals(2, $count, 'There should have been 2 documents in the list');
+    }
+
+    public function testByFieldsSucceedsWhenNoDocumentsAreFound(): void
+    {
+        $docs = Find::byFields(ThrowawayDb::TABLE, [Field::GT('num_value', 100)], TestDocument::class);
+        $this->assertNotNull($docs, 'There should have been a document list returned');
+        $count = 0;
+        foreach ($docs->items() as $ignored) $count++;
+        $this->assertFalse($docs->hasItems(), 'There should have been no documents in the list');
+    }
+
+    public function testFirstByFieldsSucceedsWhenADocumentIsFound(): void
+    {
+        $doc = Find::firstByFields(ThrowawayDb::TABLE, [Field::EQ('value', 'another')], TestDocument::class);
+        $this->assertNotFalse($doc, 'There should have been a document returned');
+        $this->assertEquals('two', $doc->id, 'The incorrect document was returned');
+    }
+
+    public function testFirstByFieldsSucceedsWhenMultipleDocumentsAreFound(): void
+    {
+        $doc = Find::firstByFields(ThrowawayDb::TABLE, [Field::EQ('sub.foo', 'green')], TestDocument::class);
+        $this->assertNotFalse($doc, 'There should have been a document returned');
+        $this->assertContains($doc->id, ['two', 'four'], 'An incorrect document was returned');
+    }
+
+    public function testFirstByFieldsSucceedsWhenADocumentIsNotFound(): void
+    {
+        $doc = Find::firstByFields(ThrowawayDb::TABLE, [Field::EQ('value', 'absent')], TestDocument::class);
+        $this->assertFalse($doc, 'There should not have been a document returned');
+    }
+}

tests/integration/sqlite/PatchTest.php

@@ -0,0 +1,60 @@
+<?php declare(strict_types=1);
+
+namespace Test\Integration\SQLite;
+
+use BitBadger\PDODocument\{Count, Field, Find, Patch};
+use PHPUnit\Framework\Attributes\TestDox;
+use PHPUnit\Framework\TestCase;
+use Test\Integration\TestDocument;
+
+/**
+ * SQLite integration tests for the Patch class
+ */
+#[TestDox('Patch (SQLite integration)')]
+class PatchTest extends TestCase
+{
+    /** @var string Database name for throwaway database */
+    private string $dbName;
+
+    protected function setUp(): void
+    {
+        parent::setUp();
+        $this->dbName = ThrowawayDb::create();
+    }
+
+    protected function tearDown(): void
+    {
+        ThrowawayDb::destroy($this->dbName);
+        parent::tearDown();
+    }
+
+    #[TestDox('By ID succeeds when a document is updated')]
+    public function testByIdSucceedsWhenADocumentIsUpdated(): void
+    {
+        Patch::byId(ThrowawayDb::TABLE, 'one', ['num_value' => 44]);
+        $doc = Find::byId(ThrowawayDb::TABLE, 'one', TestDocument::class);
+        $this->assertNotFalse($doc, 'There should have been a document returned');
+        $this->assertEquals(44, $doc->num_value, 'The updated document is not correct');
+    }
+
+    #[TestDox('By ID succeeds when no document is updated')]
+    public function testByIdSucceedsWhenNoDocumentIsUpdated(): void
+    {
+        Patch::byId(ThrowawayDb::TABLE, 'forty-seven', ['foo' => 'green']);
+        $this->assertTrue(true, 'The above not throwing an exception is the test');
+    }
+
+
+    public function testByFieldsSucceedsWhenADocumentIsUpdated(): void
+    {
+        Patch::byFields(ThrowawayDb::TABLE, [Field::EQ('value', 'purple')], ['num_value' => 77]);
+        $after = Count::byFields(ThrowawayDb::TABLE, [Field::EQ('num_value', 77)]);
+        $this->assertEquals(2, $after, 'There should have been 2 documents updated');
+    }
+
+    public function testByFieldsSucceedsWhenNoDocumentIsUpdated(): void
+    {
+        Patch::byFields(ThrowawayDb::TABLE, [Field::EQ('value', 'burgundy')], ['foo' => 'green']);
+        $this->assertTrue(true, 'The above not throwing an exception is the test');
+    }
+}

tests/integration/sqlite/RemoveFieldsTest.php

@@ -0,0 +1,74 @@
+<?php declare(strict_types=1);
+
+namespace Test\Integration\SQLite;
+
+use BitBadger\PDODocument\{Field, Find, RemoveFields};
+use PHPUnit\Framework\Attributes\TestDox;
+use PHPUnit\Framework\TestCase;
+use Test\Integration\TestDocument;
+
+/**
+ * SQLite integration tests for the RemoveFields class
+ */
+#[TestDox('Remove Fields (SQLite integration)')]
+class RemoveFieldsTest extends TestCase
+{
+    /** @var string Database name for throwaway database */
+    private string $dbName;
+
+    protected function setUp(): void
+    {
+        parent::setUp();
+        $this->dbName = ThrowawayDb::create();
+    }
+
+    protected function tearDown(): void
+    {
+        ThrowawayDb::destroy($this->dbName);
+        parent::tearDown();
+    }
+
+    #[TestDox('By ID succeeds when fields are removed')]
+    public function testByIdSucceedsWhenFieldsAreRemoved(): void
+    {
+        RemoveFields::byId(ThrowawayDb::TABLE, 'two', ['sub', 'value']);
+        $doc = Find::byId(ThrowawayDb::TABLE, 'two', TestDocument::class);
+        $this->assertNotFalse($doc, 'There should have been a document returned');
+        $this->assertEquals('', $doc->value, 'Value should have been blank (its default value)');
+        $this->assertNull($doc->sub, 'Sub-document should have been null');
+    }
+
+    #[TestDox('By ID succeeds when a field is not removed')]
+    public function testByIdSucceedsWhenAFieldIsNotRemoved(): void
+    {
+        RemoveFields::byId(ThrowawayDb::TABLE, 'one', ['a_field_that_does_not_exist']);
+        $this->assertTrue(true, 'The above not throwing an exception is the test');
+    }
+
+    #[TestDox('By ID succeeds when no document is matched')]
+    public function testByIdSucceedsWhenNoDocumentIsMatched(): void
+    {
+        RemoveFields::byId(ThrowawayDb::TABLE, 'fifty', ['sub']);
+        $this->assertTrue(true, 'The above not throwing an exception is the test');
+    }
+
+    public function testByFieldsSucceedsWhenAFieldIsRemoved(): void
+    {
+        RemoveFields::byFields(ThrowawayDb::TABLE, [Field::EQ('num_value', 17)], ['sub']);
+        $doc = Find::firstByFields(ThrowawayDb::TABLE, [Field::EQ('num_value', 17)], TestDocument::class);
+        $this->assertNotFalse($doc, 'There should have been a document returned');
+        $this->assertNull($doc->sub, 'Sub-document should have been null');
+    }
+
+    public function testByFieldsSucceedsWhenAFieldIsNotRemoved(): void
+    {
+        RemoveFields::byFields(ThrowawayDb::TABLE, [Field::EQ('num_value', 17)], ['nada']);
+        $this->assertTrue(true, 'The above not throwing an exception is the test');
+    }
+
+    public function testByFieldsSucceedsWhenNoDocumentIsMatched(): void
+    {
+        RemoveFields::byFields(ThrowawayDb::TABLE, [Field::NE('missing', 'nope')], ['value']);
+        $this->assertTrue(true, 'The above not throwing an exception is the test');
+    }
+}

tests/integration/sqlite/ThrowawayDb.php

@@ -0,0 +1,71 @@
+<?php
+
+namespace Test\Integration\SQLite;
+
+use BitBadger\PDODocument\Configuration;
+use BitBadger\PDODocument\Definition;
+use BitBadger\PDODocument\Document;
+use BitBadger\PDODocument\DocumentException;
+use BitBadger\PDODocument\Mode;
+use Test\Integration\SubDocument;
+use Test\Integration\TestDocument;
+
+/**
+ * Utilities to create and destroy a throwaway SQLite database to use for testing
+ */
+class ThrowawayDb
+{
+    /** @var string The table used for document manipulation */
+    public const string TABLE = "test_table";
+
+    /**
+     * Create a throwaway SQLite database
+     *
+     * @param bool $withData Whether to initialize this database with data (optional; defaults to `true`)
+     * @return string The name of the database (use to pass to `destroy` function at end of test)
+     * @throws DocumentException If any is encountered
+     */
+    public static function create(bool $withData = true): string
+    {
+        $fileName = sprintf('throwaway-%s-%d.db', date('His'), rand(10, 99));
+        Configuration::$pdoDSN = "sqlite:./$fileName";
+        Configuration::$mode   = Mode::SQLite;
+        Configuration::resetPDO();
+
+        if ($withData) {
+            Definition::ensureTable(self::TABLE);
+            Document::insert(self::TABLE, new TestDocument('one', 'FIRST!', 0));
+            Document::insert(self::TABLE, new TestDocument('two', 'another', 10, new SubDocument('green', 'blue')));
+            Document::insert(self::TABLE, new TestDocument('three', '', 4));
+            Document::insert(self::TABLE, new TestDocument('four', 'purple', 17, new SubDocument('green', 'red')));
+            Document::insert(self::TABLE, new TestDocument('five', 'purple', 18));
+        }
+
+        return $fileName;
+    }
+
+    /**
+     * Destroy a throwaway SQLite database
+     *
+     * @param string $fileName The name of the SQLite database to be deleted
+     */
+    public static function destroy(string $fileName): void
+    {
+        Configuration::resetPDO();
+        unlink("./$fileName");
+    }
+
+    /**
+     * Destroy the given throwaway database and create another
+     *
+     * @param string $fileName The name of the database to be destroyed
+     * @param bool $withData Whether to initialize the database with data (optional; defaults to `true`)
+     * @return string The name of the new database
+     * @throws DocumentException If any is encountered
+     */
+    public static function exchange(string $fileName, bool $withData = true): string
+    {
+        self::destroy($fileName);
+        return self::create($withData);
+    }
+}