Added SQL and iterators tests.

tests/Record/IteratorTest.php

@@ -0,0 +1,63 @@
+<?php
+
+use Rarst\Laps\Record\Recursive_Record_Iterator;
+use Rarst\Laps\Record\Timeline_Iterator;
+use Rarst\Laps\Tests\LapsTestCase;
+use Rarst\Laps\Tests\Record\StubRecord;
+
+class IteratorTest extends LapsTestCase {
+
+	public function testRecord() {
+
+		$record_a = new StubRecord( 'Parent', 0, 100 );
+		$record_b = new StubRecord( 'Child', 50, 100 );
+
+		$records = [ $record_b, $record_a ];
+
+		$iterator = new Recursive_Record_Iterator( $records );
+
+		$this->assertCount( 1, $iterator->getArrayCopy() );
+
+		foreach ( $iterator as $record ) {
+			$this->assertEquals( 'Parent', $record->get_name() );
+		}
+
+		$this->assertTrue( $iterator->hasChildren() );
+		$children = $iterator->getChildren();
+		$this->assertCount( 1, $children );
+
+		foreach ( $children as $record ) {
+			$this->assertEquals( 'Child', $record->get_name() );
+		}
+
+		return $iterator;
+	}
+
+	/**
+	 * @depends testRecord
+	 */
+	public function testTimeline( Recursive_Record_Iterator $iterator ) {
+
+		$iterator = new Timeline_Iterator( $iterator );
+
+		$iterator->rewind();
+		$this->assertTrue( $iterator->valid() );
+
+		$records = $iterator->current();
+		$this->assertInternalType( 'array', $records );
+
+		$this->assertArrayHasKey( 'description', $records[0] );
+		$this->assertArrayHasKey( 'category', $records[0] );
+		$this->assertArrayHasKey( 'offset', $records[0] );
+		$this->assertArrayHasKey( 'width', $records[0] );
+
+		$iterator->next();
+		$this->assertTrue( $iterator->valid() );
+
+		$records = $iterator->current();
+		$this->assertInternalType( 'array', $records );
+
+		$iterator->next();
+		$this->assertFalse( $iterator->valid() );
+	}
+}