Use path normalization instead of prefix matching to solve issue with failure to match path patterns with trailing slashes. Expand tests

Code/Support/RKPathMatcher.m

@@ -22,6 +22,7 @@
 #import "SOCKit.h"
 #import "RKLog.h"
 #import "RKDictionaryUtilities.h"
+#import "RKPathUtilities.h"
 
 static NSString *RKEncodeURLString(NSString *unencodedString);
 extern NSDictionary *RKQueryParametersFromStringWithEncoding(NSString *string, NSStringEncoding stringEncoding);
@@ -59,7 +60,6 @@ static NSString *RKEncodeURLString(NSString *unencodedString)
     return copy;
 }
 
-
 + (RKPathMatcher *)pathMatcherWithPattern:(NSString *)patternString
 {
     NSAssert(patternString != NULL, @"Pattern string must not be empty in order to perform pattern matching.");
@@ -77,11 +77,15 @@ static NSString *RKEncodeURLString(NSString *unencodedString)
     return matcher;
 }
 
+// Normalize our root path for matching cleanly with SOCKit
+- (void)setRootPath:(NSString *)rootPath
+{
+    _rootPath = RKPathNormalize(rootPath);
+}
+
 - (BOOL)matches
 {
     NSAssert((self.socPattern != NULL && self.rootPath != NULL), @"Matcher is insufficiently configured.  Before attempting pattern matching, you must provide a path string and a pattern to match it against.");
-    // If the pattern is an exact prefix of the matched string, we evaluate to YES
-    if ([self.rootPath hasPrefix:self.patternString]) return YES;
     return [self.socPattern stringMatches:self.rootPath];
 }
 

Code/Support/RKPathUtilities.h

@@ -51,6 +51,15 @@ NSString *RKPathFromPatternWithObject(NSString *pathPattern, id object);
  
  For example, given a string with the path `@"/Users/blake/Documents/monkey.json"` `@"application/json"` would be returned as the MIME Type.
  
+ @param path The path to return the MIME Type for.
  @return The expected MIME Type of the resource identified by the path or nil if unknown.
  */
 NSString *RKMIMETypeFromPathExtension(NSString *path);
+
+/**
+ Normalizes a given string into a path by ensuring that it includes a leading slash and does not include a trailing slash.
+ 
+ @param path The path to be normalized.
+ @return The given path, normalized with a leading slash and without a trailing sla
+ */
+NSString *RKPathNormalize(NSString *path);

Code/Support/RKPathUtilities.m

@@ -119,3 +119,12 @@ NSString *RKMIMETypeFromPathExtension(NSString *path)
     // Consult our internal dictionary of mappings if not found
     return [RKDictionaryOfFileExtensionsToMIMETypes() valueForKey:pathExtension];
 }
+
+NSString *RKPathNormalize(NSString *path)
+{
+    path = [path stringByReplacingOccurrencesOfString:@"//" withString:@"/"];
+    NSUInteger length = [path length];
+    if ([path characterAtIndex:length - 1] == '/') path = [path substringToIndex:length - 1];
+    if ([path characterAtIndex:0] != '/') path = [@"/" stringByAppendingString:path];
+    return path;
+}