added tests for literal autodetection

Author: transistive

tests/Unit/Literals/LiteralTest.php

@@ -0,0 +1,82 @@
+<?php
+
+/*
+ * Cypher DSL
+ * Copyright (C) 2021  Wikibase Solutions
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+namespace WikibaseSolutions\CypherDSL\Tests\Unit\Literals;
+
+use PHPUnit\Framework\TestCase;
+use TypeError;
+use WikibaseSolutions\CypherDSL\Literals\Boolean;
+use WikibaseSolutions\CypherDSL\Literals\Decimal;
+use WikibaseSolutions\CypherDSL\Literals\Literal;
+use WikibaseSolutions\CypherDSL\Literals\StringLiteral;
+
+/**
+ * @covers \WikibaseSolutions\CypherDSL\Decimal
+ */
+class LiteralTest extends TestCase
+{
+    public function testInt(): void
+    {
+        $literal = Literal::fromLiteral(1);
+        self::assertInstanceOf(Decimal::class, $literal);
+        self::assertEquals('1', $literal->toQuery());
+    }
+
+    public function testFloat(): void
+    {
+        $literal = Literal::fromLiteral(1.2);
+        self::assertInstanceOf(Decimal::class, $literal);
+        self::assertEquals('1.2', $literal->toQuery());
+    }
+
+    public function testString(): void
+    {
+        $literal = Literal::fromLiteral('abc');
+        self::assertInstanceOf(StringLiteral::class, $literal);
+        self::assertEquals("'abc'", $literal->toQuery());
+    }
+
+    public function testStringAble(): void
+    {
+        $literal = Literal::fromLiteral(new class () {
+            public function __toString(): string
+            {
+                return 'stringable abc';
+            }
+        });
+        self::assertInstanceOf(StringLiteral::class, $literal);
+        self::assertEquals("'stringable abc'", $literal->toQuery());
+    }
+
+    public function testBool(): void
+    {
+        $literal = Literal::fromLiteral(true);
+        self::assertInstanceOf(Boolean::class, $literal);
+        self::assertEquals("true", $literal->toQuery());
+    }
+
+    public function testTypeError(): void
+    {
+        $literal = Literal::fromLiteral(true);
+        $this->expectException(TypeError::class);
+        Literal::fromLiteral($literal);
+    }
+}