The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | package junit.runner; |
| 2 | |
| 3 | import java.util.*; |
| 4 | import java.io.*; |
| 5 | |
| 6 | /** |
| 7 | * An implementation of a TestCollector that consults the |
| 8 | * class path. It considers all classes on the class path |
| 9 | * excluding classes in JARs. It leaves it up to subclasses |
| 10 | * to decide whether a class is a runnable Test. |
| 11 | * |
| 12 | * @see TestCollector |
| 13 | * {@hide} - Not needed for 1.0 SDK |
| 14 | */ |
| 15 | public abstract class ClassPathTestCollector implements TestCollector { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 16 | |
Brett Chabot | f1253cd | 2012-01-30 11:29:54 -0800 | [diff] [blame] | 17 | static final int SUFFIX_LENGTH= ".class".length(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 18 | |
Brett Chabot | f1253cd | 2012-01-30 11:29:54 -0800 | [diff] [blame] | 19 | public ClassPathTestCollector() { |
| 20 | } |
| 21 | |
| 22 | public Enumeration collectTests() { |
| 23 | String classPath= System.getProperty("java.class.path"); |
| 24 | Hashtable result = collectFilesInPath(classPath); |
| 25 | return result.elements(); |
| 26 | } |
| 27 | |
| 28 | public Hashtable collectFilesInPath(String classPath) { |
| 29 | Hashtable result= collectFilesInRoots(splitClassPath(classPath)); |
| 30 | return result; |
| 31 | } |
| 32 | |
| 33 | Hashtable collectFilesInRoots(Vector roots) { |
| 34 | Hashtable result= new Hashtable(100); |
| 35 | Enumeration e= roots.elements(); |
| 36 | while (e.hasMoreElements()) |
| 37 | gatherFiles(new File((String)e.nextElement()), "", result); |
| 38 | return result; |
| 39 | } |
| 40 | |
| 41 | void gatherFiles(File classRoot, String classFileName, Hashtable result) { |
| 42 | File thisRoot= new File(classRoot, classFileName); |
| 43 | if (thisRoot.isFile()) { |
| 44 | if (isTestClass(classFileName)) { |
| 45 | String className= classNameFromFile(classFileName); |
| 46 | result.put(className, className); |
| 47 | } |
| 48 | return; |
| 49 | } |
| 50 | String[] contents= thisRoot.list(); |
| 51 | if (contents != null) { |
| 52 | for (int i= 0; i < contents.length; i++) |
| 53 | gatherFiles(classRoot, classFileName+File.separatorChar+contents[i], result); |
| 54 | } |
| 55 | } |
| 56 | |
| 57 | Vector splitClassPath(String classPath) { |
| 58 | Vector result= new Vector(); |
| 59 | String separator= System.getProperty("path.separator"); |
| 60 | StringTokenizer tokenizer= new StringTokenizer(classPath, separator); |
| 61 | while (tokenizer.hasMoreTokens()) |
| 62 | result.addElement(tokenizer.nextToken()); |
| 63 | return result; |
| 64 | } |
| 65 | |
| 66 | protected boolean isTestClass(String classFileName) { |
| 67 | return |
| 68 | classFileName.endsWith(".class") && |
| 69 | classFileName.indexOf('$') < 0 && |
| 70 | classFileName.indexOf("Test") > 0; |
| 71 | } |
| 72 | |
| 73 | protected String classNameFromFile(String classFileName) { |
| 74 | // convert /a/b.class to a.b |
| 75 | String s= classFileName.substring(0, classFileName.length()-SUFFIX_LENGTH); |
| 76 | String s2= s.replace(File.separatorChar, '.'); |
| 77 | if (s2.startsWith(".")) |
| 78 | return s2.substring(1); |
| 79 | return s2; |
| 80 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 81 | } |