Initial SQLite development (#1)

Reviewed-on: #1

tests/unit/DocumentExceptionTest.php

@@ -0,0 +1,46 @@
+<?php
+
+namespace Test\Unit;
+
+use BitBadger\PDODocument\DocumentException;
+use Exception;
+use PHPUnit\Framework\TestCase;
+
+/**
+ * Unit tests for the DocumentException class
+ */
+class DocumentExceptionTest extends TestCase
+{
+    public function testConstructorSucceedsWithCodeAndPriorException()
+    {
+        $priorEx = new Exception('Uh oh');
+        $ex = new DocumentException('Test Exception', 17, $priorEx);
+        $this->assertNotNull($ex, 'The exception should not have been null');
+        $this->assertEquals('Test Exception', $ex->getMessage(), 'Message not filled properly');
+        $this->assertEquals(17, $ex->getCode(), 'Code not filled properly');
+        $this->assertSame($priorEx, $ex->getPrevious(), 'Prior exception not filled properly');
+    }
+
+    public function testConstructorSucceedsWithoutCodeAndPriorException()
+    {
+        $ex = new DocumentException('Oops');
+        $this->assertNotNull($ex, 'The exception should not have been null');
+        $this->assertEquals('Oops', $ex->getMessage(), 'Message not filled properly');
+        $this->assertEquals(0, $ex->getCode(), 'Code not filled properly');
+        $this->assertNull($ex->getPrevious(), 'Prior exception should have been null');
+    }
+
+    public function testToStringSucceedsWithoutCode()
+    {
+        $ex = new DocumentException('Test failure');
+        $this->assertEquals("BitBadger\PDODocument\DocumentException: Test failure\n", "$ex",
+            'toString not generated correctly');
+    }
+
+    public function testToStringSucceedsWithCode()
+    {
+        $ex = new DocumentException('Oof', -6);
+        $this->assertEquals("BitBadger\PDODocument\DocumentException: [-6] Oof\n", "$ex",
+            'toString not generated correctly');
+    }
+}