packages/sql-semantics/tests/Unit/Core/Schema/ColumnGenerationTest.php

1<?php
2
3declare(strict_types=1);
4
5namespace Tests\Unit\Core\Schema;
6
7use PHPUnit\Framework\Attributes\CoversClass;
8use PHPUnit\Framework\Attributes\Medium;
9use PHPUnit\Framework\TestCase;
10use SqlSemantics\Core\Binder;
11use SqlSemantics\Core\SchemaBuilder;
12use SqlSemantics\Core\SemanticException;
13use SqlSemantics\Facade\Schema;
14use SqlSemantics\Platform\PostgreSql\Dialect as PostgreSqlDialect;
15use SqlSemantics\Platform\Sqlite\Dialect as SqliteDialect;
16use SqlSemantics\Statement\Writer;
17
18#[CoversClass(Binder::class)]
19#[CoversClass(SchemaBuilder::class)]
20#[CoversClass(\SqlSemantics\Core\Ast\DialectParser::class)]
21#[CoversClass(\SqlSemantics\Core\Binding\ExpressionBinder::class)]
22#[CoversClass(\SqlSemantics\Core\Binding\ExpressionRules::class)]
23#[CoversClass(\SqlSemantics\Core\Binding\FromBinder::class)]
24#[CoversClass(\SqlSemantics\Core\Binding\LiteralBinder::class)]
25#[CoversClass(\SqlSemantics\Core\Binding\NullFacts::class)]
26#[CoversClass(\SqlSemantics\Core\Binding\ProjectionBinder::class)]
27#[CoversClass(\SqlSemantics\Core\Binding\SelectBinder::class)]
28#[CoversClass(\SqlSemantics\Core\Binding\SyntaxGuard::class)]
29#[CoversClass(\SqlSemantics\Core\Binding\SelectModifiersBinder::class)]
30#[CoversClass(\SqlSemantics\Core\Binding\TypeResolution::class)]
31#[CoversClass(\SqlSemantics\Core\Ast\ColumnReader::class)]
32#[CoversClass(\SqlSemantics\Core\Ast\ConstraintReader::class)]
33#[CoversClass(\SqlSemantics\Core\Ast\Identifiers::class)]
34#[CoversClass(\SqlSemantics\Core\Ast\SchemaReader::class)]
35#[CoversClass(\SqlSemantics\Core\Ast\StatementList::class)]
36#[CoversClass(\SqlSemantics\Core\Ast\TokenGroups::class)]
37#[CoversClass(\SqlSemantics\Core\Ast\Tree::class)]
38#[CoversClass(\SqlSemantics\Core\Ast\TypeReader::class)]
39#[CoversClass(\SqlSemantics\Core\Binding\BoundRelation::class)]
40#[CoversClass(\SqlSemantics\Core\Binding\IdentitySequence::class)]
41#[CoversClass(\SqlSemantics\Core\Binding\Scope::class)]
42#[CoversClass(\SqlSemantics\Core\Binding\TableResolver::class)]
43#[CoversClass(\SqlSemantics\Core\Model\ColumnBinding::class)]
44#[CoversClass(\SqlSemantics\Core\Model\Expression::class)]
45#[CoversClass(\SqlSemantics\Core\Model\Join::class)]
46#[CoversClass(\SqlSemantics\Core\Model\Ordering::class)]
47#[CoversClass(\SqlSemantics\Core\Model\OutputColumn::class)]
48#[CoversClass(\SqlSemantics\Core\Model\BoundSelect::class)]
49#[CoversClass(\SqlSemantics\Core\Model\TableUse::class)]
50#[CoversClass(\SqlSemantics\Core\Schema::class)]
51#[CoversClass(\SqlSemantics\Core\Schema\ColumnDefinition::class)]
52#[CoversClass(\SqlSemantics\Core\Schema\TableConstraint::class)]
53#[CoversClass(\SqlSemantics\Core\Schema\TableDefinition::class)]
54#[CoversClass(SemanticException::class)]
55#[CoversClass(\SqlSemantics\Core\Type\TypeDescriptor::class)]
56#[\PHPUnit\Framework\Attributes\UsesClass(\SqlSemantics\Core\Policy\SyntaxRules::class)]
57#[\PHPUnit\Framework\Attributes\UsesClass(\SqlSemantics\Platform\PostgreSql\QueryRules::class)]
58#[\PHPUnit\Framework\Attributes\UsesClass(\SqlSemantics\Platform\PostgreSql\Platform::class)]
59#[\PHPUnit\Framework\Attributes\UsesClass(\SqlSemantics\Platform\PostgreSql\TypeRules::class)]
60#[\PHPUnit\Framework\Attributes\UsesClass(\SqlSemantics\Platform\PostgreSql\NameRules::class)]
61#[\PHPUnit\Framework\Attributes\UsesClass(\SqlSemantics\Platform\PostgreSql\SchemaRules::class)]
62#[\PHPUnit\Framework\Attributes\UsesClass(\SqlSemantics\Platform\Sqlite\QueryRules::class)]
63#[\PHPUnit\Framework\Attributes\UsesClass(\SqlSemantics\Platform\Sqlite\Platform::class)]
64#[\PHPUnit\Framework\Attributes\UsesClass(\SqlSemantics\Platform\Sqlite\TypeRules::class)]
65#[\PHPUnit\Framework\Attributes\UsesClass(\SqlSemantics\Platform\Sqlite\NameRules::class)]
66#[\PHPUnit\Framework\Attributes\UsesClass(\SqlSemantics\Platform\Sqlite\SchemaRules::class)]
67#[\PHPUnit\Framework\Attributes\UsesClass(\SqlSemantics\Platform\MySql\QueryRules::class)]
68#[\PHPUnit\Framework\Attributes\UsesClass(\SqlSemantics\Platform\MySql\Platform::class)]
69#[\PHPUnit\Framework\Attributes\UsesClass(\SqlSemantics\Platform\MySql\TypeRules::class)]
70#[\PHPUnit\Framework\Attributes\UsesClass(\SqlSemantics\Platform\MySql\NameRules::class)]
71#[\PHPUnit\Framework\Attributes\UsesClass(\SqlSemantics\Platform\MySql\SchemaRules::class)]
72#[Medium]
73#[CoversClass(\SqlSemantics\Core\Analysis\SchemaAnalyzer::class)]
74#[CoversClass(\SqlSemantics\Core\Analysis\ValueReader::class)]
75#[CoversClass(\SqlSemantics\Core\Ast\ColumnProperties::class)]
76#[CoversClass(\SqlSemantics\Core\Ast\SchemaChanges::class)]
77#[CoversClass(\SqlSemantics\Core\Schema\ColumnGeneration::class)]
78#[CoversClass(\SqlSemantics\Core\Schema\Invariant::class)]
79#[CoversClass(Schema::class)]
80#[CoversClass(\SqlSemantics\Statement\ImmutableGraph::class)]
81#[CoversClass(Writer::class)]
82#[CoversClass(\SqlSemantics\Statement\Assertion::class)]
83final class ColumnGenerationTest extends TestCase
84{
85    public function testIdentityKeepsItsOptionsWithoutAComputation(): void
86    {
87        $column = (new Schema(PostgreSqlDialect::PostgreSql))->analyze('CREATE TABLE t (id INT GENERATED ALWAYS AS IDENTITY (START WITH 10))')->tables[0]->columns[0];
88        self::assertNotNull($column->generation);
89        self::assertSame('identity', $column->generation->kind->value);
90        self::assertNull($column->generation->expression);
91        self::assertStringContainsString('START WITH 10', Writer::render($column->generation->clause));
92    }
93
94    public function testComputedGenerationKeepsAnIndependentExpression(): void
95    {
96        $column = (new Schema(SqliteDialect::Sqlite))->analyze('CREATE TABLE t (id INT, x INT AS (id * 2) STORED)')->tables[0]->columns[1];
97        self::assertNotNull($column->generation);
98        self::assertNotNull($column->generation->expression);
99        self::assertSame('id * 2', Writer::render($column->generation->expression));
100    }
101}
102