1//
 2//  KWAsyncVerifier.m
 3//  iOSFalconCore
 4//
 5//  Created by Luke Redpath on 13/01/2011.
 6//  Copyright 2011 LJR Software Limited. All rights reserved.
 7//
 8
 9#import "KWAsyncVerifier.h"
10#import "KWFailure.h"
11#import "KWMatching.h"
12#import "KWReporting.h"
13#import "KWProbePoller.h"
14
15@implementation KWAsyncVerifier
16
17@synthesize timeout;
18
19+ (id)asyncVerifierWithExpectationType:(KWExpectationType)anExpectationType callSite:(KWCallSite *)aCallSite matcherFactory:(KWMatcherFactory *)aMatcherFactory reporter:(id<KWReporting>)aReporter probeTimeout:(NSTimeInterval)probeTimeout;
20{
21  KWAsyncVerifier *verifier = [[self alloc] initWithExpectationType:anExpectationType callSite:aCallSite matcherFactory:aMatcherFactory reporter:aReporter];
22  verifier.timeout = probeTimeout;
23  return [verifier autorelease];
24}
25
26- (id)initWithExpectationType:(KWExpectationType)anExpectationType callSite:(KWCallSite *)aCallSite matcherFactory:(KWMatcherFactory *)aMatcherFactory reporter:(id<KWReporting>)aReporter {
27  if ((self = [super initWithExpectationType:anExpectationType callSite:aCallSite matcherFactory:aMatcherFactory reporter:aReporter])) {
28    self.timeout = kKW_DEFAULT_PROBE_TIMEOUT;
29  }
30  return self;
31}
32
33- (void)verifyWithProbe:(KWAsyncMatcherProbe *)aProbe {
34  @try {
35    KWProbePoller *poller = [[KWProbePoller alloc] initWithTimeout:self.timeout delay:kKW_DEFAULT_PROBE_DELAY];
36
37    if (![poller check:aProbe]) {
38      if (self.expectationType == KWExpectationTypeShould) {
39        NSString *message = [aProbe.matcher failureMessageForShould];
40        KWFailure *failure = [KWFailure failureWithCallSite:self.callSite message:message];
41        [self.reporter reportFailure:failure];
42      } else if (self.expectationType == KWExpectationTypeShouldNot) {
43        NSString *message = [aProbe.matcher failureMessageForShouldNot];
44        KWFailure *failure = [KWFailure failureWithCallSite:self.callSite message:message];
45        [self.reporter reportFailure:failure];
46      } else if (self.expectationType == KWExpectationTypeMaybe) {
47        // don't do anything
48      }
49    }
50    [poller release];
51
52  } @catch (NSException *exception) {
53    KWFailure *failure = [KWFailure failureWithCallSite:self.callSite message:[exception description]];
54    [self.reporter reportFailure:failure];
55  }
56}
57
58- (void)verifyWithMatcher:(id<KWMatching>)aMatcher {
59  KWAsyncMatcherProbe *probe = [[[KWAsyncMatcherProbe alloc] initWithMatcher:aMatcher] autorelease];
60  [self verifyWithProbe:probe];
61}
62
63@end
64
65@implementation KWAsyncMatcherProbe
66
67@synthesize matcher;
68
69- (id)initWithMatcher:(id<KWMatching>)aMatcher;
70{
71  if ((self = [super init])) {
72    matcher = [aMatcher retain];
73
74    // make sure the matcher knows we are going to evaluate it multiple times
75    if ([aMatcher respondsToSelector:@selector(willEvaluateMultipleTimes)]) {
76      [aMatcher setWillEvaluateMultipleTimes:YES];
77    }
78  }
79  return self;
80}
81
82- (void)dealloc
83{
84  [matcher release];
85  [super dealloc];
86}
87
88- (BOOL)isSatisfied;
89{
90  return matchResult;
91}
92
93- (void)sample;
94{
95  matchResult = [matcher evaluate];
96}
97
98@end
99