make it possible to test for files that don't exist

lib/Cake/Console/Command/TestShell.php

@@ -337,10 +337,13 @@ class TestShell extends Shell {
  * Find the test case for the passed file. The file could itself be a test.
  *
  * @param mixed $file
+ * @param mixed $category 
+ * @param mixed $throwOnMissingFile 
  * @access protected
  * @return array(type, case)
+ * @throws Exception
  */
-	protected function _mapFileToCase($file, $category) {
+	protected function _mapFileToCase($file, $category, $throwOnMissingFile = true) {
 		if (!$category || (substr($file, -4) !== '.php')) {
 			return false;
 		}
@@ -381,12 +384,11 @@ class TestShell extends Shell {
 			$testCase[0] = strtoupper($testCase[0]);
 			$testFile = CAKE . 'Test/Case/' . $testCase . 'Test.php';
 
-			if (file_exists($testFile)) {
-				return $testCase;
+			if (!file_exists($testFile) && $throwOnMissingFile) {
+				throw new Exception(__d('cake_dev', 'Test case %s not found', $testFile));
 			}
-
-			throw new Exception(__d('cake_dev', 'Test case %s not found', $testFile));
-			return false;
+				
+			return $testCase;
 		}
 
 		if ($category === 'app') {
@@ -399,9 +401,8 @@ class TestShell extends Shell {
 			);
 		}
 
-		if (!file_exists($testFile)) {
+		if (!file_exists($testFile) && $throwOnMissingFile) {
 			throw new Exception(__d('cake_dev', 'Test case %s not found', $testFile));
-			return false;
 		}
 
 		$testCase = substr($file, 0, -8);

lib/Cake/Test/Case/Console/Command/TestShellTest.php

@@ -20,6 +20,17 @@
 App::uses('ShellDispatcher', 'Console');
 App::uses('TestShell', 'Console/Command');
 
+class TestTestShell extends TestShell {
+
+	public function mapFileToCase($file, $category, $throwOnMissingFile = true) {
+		return $this->_mapFileToCase($file, $category, $throwOnMissingFile);
+	}
+
+	public function mapFileToCategory($file) {
+		return $this->_mapFileToCategory($file);
+	}
+}
+
 class TestShellTest extends CakeTestCase {
 
 
@@ -33,7 +44,7 @@ class TestShellTest extends CakeTestCase {
 		$in = $this->getMock('ConsoleInput', array(), array(), '', false);
 
 		$this->Shell = $this->getMock(
-			'TestShell',
+			'TestTestShell',
 			array('in', 'out', 'hr', 'help', 'error', 'err', '_stop', 'initialize', '_run', 'clear'),
 			array($out, $out, $in)
 		);
@@ -50,6 +61,45 @@ class TestShellTest extends CakeTestCase {
 	}
 
 /**
+ * testMapCoreFileToCategory
+ *
+ * 
+ * @return void
+ */
+	public function testMapCoreFileToCategory() {
+		$this->Shell->startup();
+
+		$return = $this->Shell->mapFileToCategory('lib/Cake/basics.php');
+		$this->assertSame('core', $return);
+
+		$return = $this->Shell->mapFileToCategory('lib/Cake/Core/App.php');
+		$this->assertSame('core', $return);
+
+		$return = $this->Shell->mapFileToCategory('lib/Cake/Some/Deeply/Nested/Structure.php');
+		$this->assertSame('core', $return);
+	}
+
+/**
+ * testMapCoreFileToCase
+ *
+ * basics.php is a slightly special case - it's the only file in the core with a test that isn't Capitalized
+ * 
+ * @return void
+ */
+	public function testMapCoreFileToCase() {
+		$this->Shell->startup();
+
+		$return = $this->Shell->mapFileToCase('lib/Cake/basics.php', 'core');
+		$this->assertSame('Basics', $return);
+
+		$return = $this->Shell->mapFileToCase('lib/Cake/Core/App.php', 'core');
+		$this->assertSame('Core/App', $return);
+
+		$return = $this->Shell->mapFileToCase('lib/Cake/Some/Deeply/Nested/Structure.php', 'core', false);
+		$this->assertSame('Some/Deeply/Nested/Structure', $return);
+	}
+
+/**
  * test available list of test cases for an empty category
  *
  * @return void