Add test coverage for edge cases and exceptions.

test/MustacheExceptionTest.php

@@ -0,0 +1,97 @@
+<?php
+
+require_once '../Mustache.php';
+
+class MustacheExceptionTest extends PHPUnit_Framework_TestCase {
+
+	const TEST_CLASS = 'Mustache';
+
+	protected $pickyMustache;
+	protected $slackerMustache;
+	
+	public function setUp() {
+		$this->pickyMustache      = new PickyMustache();
+		$this->slackerMustache    = new SlackerMustache();
+	}
+
+	/**
+	 * @expectedException MustacheException
+	 */
+	public function testThrowsUnknownVariableException() {
+		$this->pickyMustache->render('{{not_a_variable}}');
+	}
+
+	/**
+	 * @expectedException MustacheException
+	 */
+	public function testThrowsUnclosedSectionException() {
+		$this->pickyMustache->render('{{#unclosed}}');
+	}
+
+	/**
+	 * @expectedException MustacheException
+	 */
+	public function testThrowsUnexpectedCloseSectionException() {
+		$this->pickyMustache->render('{{/unopened}}');
+	}
+
+	/**
+	 * @expectedException MustacheException
+	 */
+	public function testThrowsUnknownPartialException() {
+		$this->pickyMustache->render('{{>impartial}}');
+	}
+
+	/**
+	 * @expectedException MustacheException
+	 */
+	public function testThrowsUnknownPragmaException() {
+		$this->pickyMustache->render('{{%SWEET-MUSTACHE-BRO}}');
+	}
+
+	public function testDoesntThrowUnclosedSectionException() {
+		$this->assertEquals('', $this->slackerMustache->render('{{#unclosed}}'));
+	}
+
+	public function testDoesntThrowUnexpectedCloseSectionException() {
+		$this->assertEquals('', $this->slackerMustache->render('{{/unopened}}'));
+	}
+
+	public function testDoesntThrowUnknownPartialException() {
+		$this->assertEquals('', $this->slackerMustache->render('{{>impartial}}'));
+	}
+
+	/**
+	 * @expectedException MustacheException
+	 */
+	public function testGetPragmaOptionsThrowsExceptionsIfItThinksYouHaveAPragmaButItTurnsOutYouDont() {
+		$mustache = new TestableMustache();
+		$mustache->testableGetPragmaOptions('PRAGMATIC');
+	}
+}
+
+class PickyMustache extends Mustache {
+	protected $_throwsExceptions = array(
+		MustacheException::UNKNOWN_VARIABLE         => true,
+		MustacheException::UNCLOSED_SECTION         => true,
+		MustacheException::UNEXPECTED_CLOSE_SECTION => true,
+		MustacheException::UNKNOWN_PARTIAL          => true,
+		MustacheException::UNKNOWN_PRAGMA           => true,
+	);
+}
+
+class SlackerMustache extends Mustache {
+	protected $_throwsExceptions = array(
+		MustacheException::UNKNOWN_VARIABLE         => false,
+		MustacheException::UNCLOSED_SECTION         => false,
+		MustacheException::UNEXPECTED_CLOSE_SECTION => false,
+		MustacheException::UNKNOWN_PARTIAL          => false,
+		MustacheException::UNKNOWN_PRAGMA           => false,
+	);
+}
+
+class TestableMustache extends Mustache {
+	public function testableGetPragmaOptions($pragma_name) {
+		return $this->_getPragmaOptions($pragma_name);
+	}
+}