/core/externals/google-toolbox-for-mac/Foundation/GTMNSDictionary+URLArgumentsTest.m

 1//
 2//  GTMNSDictionary+URLArgumentsTest.m
 3//
 4//  Copyright 2006-2008 Google Inc.
 5//
 6//  Licensed under the Apache License, Version 2.0 (the "License"); you may not
 7//  use this file except in compliance with the License.  You may obtain a copy
 8//  of the License at
 9// 
10//  http://www.apache.org/licenses/LICENSE-2.0
11// 
12//  Unless required by applicable law or agreed to in writing, software
13//  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
14//  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
15//  License for the specific language governing permissions and limitations under
16//  the License.
17//
18
19#import "GTMSenTestCase.h"
20#import "GTMNSDictionary+URLArguments.h"
21#import "GTMDefines.h"
22
23@interface GTMNSDictionary_URLArgumentsTest : GTMTestCase
24@end
25
26@implementation GTMNSDictionary_URLArgumentsTest
27
28- (void)testFromArgumentsString {
29  STAssertEqualObjects([NSDictionary gtm_dictionaryWithHttpArgumentsString:@""],
30                       [NSDictionary dictionary],
31                       @"- empty arguments string should give an empty dictionary");
32  STAssertEqualObjects([NSDictionary gtm_dictionaryWithHttpArgumentsString:@"a"],
33                       [NSDictionary dictionaryWithObject:@"" forKey:@"a"],
34                       @"- missing '=' should result in an empty string value");
35  STAssertEqualObjects([NSDictionary gtm_dictionaryWithHttpArgumentsString:@"a="],
36                       [NSDictionary dictionaryWithObject:@"" forKey:@"a"],
37                       @"- no value");
38  STAssertEqualObjects([NSDictionary gtm_dictionaryWithHttpArgumentsString:@"&a=1"],
39                       [NSDictionary dictionaryWithObject:@"1" forKey:@"a"],
40                       @"- empty segment should be skipped");
41  STAssertEqualObjects([NSDictionary gtm_dictionaryWithHttpArgumentsString:@"abc=123"],
42                       [NSDictionary dictionaryWithObject:@"123" forKey:@"abc"],
43                       @"- simple one-pair dictionary should work");
44  STAssertEqualObjects([NSDictionary gtm_dictionaryWithHttpArgumentsString:@"a=1&a=2&a=3"],
45                       [NSDictionary dictionaryWithObject:@"1" forKey:@"a"],
46                       @"- only first occurrence of a key is returned");
47  NSString* complex = @"a%2Bb=specialkey&complex=1%2B1%21%3D3%20%26%202%2A6%2F3%3D4&c";
48  NSDictionary* result = [NSDictionary dictionaryWithObjectsAndKeys:
49                          @"1+1!=3 & 2*6/3=4", @"complex",
50                                @"specialkey", @"a+b",
51                                          @"", @"c",
52                                               nil];
53  STAssertEqualObjects([NSDictionary gtm_dictionaryWithHttpArgumentsString:complex],
54                       result,
55                       @"- keys and values should be unescaped correctly");
56  STAssertEqualObjects([NSDictionary gtm_dictionaryWithHttpArgumentsString:@"a=%FC"],
57                       [NSDictionary dictionaryWithObject:@"" forKey:@"a"],
58                       @"- invalid UTF8 characters result in an empty value, not a crash");
59}
60
61- (void)testArgumentsString {
62  STAssertEqualObjects([[NSDictionary dictionary] gtm_httpArgumentsString], @"",
63                       @"- empty dictionary should give an empty string");
64  STAssertEqualObjects([[NSDictionary dictionaryWithObject:@"123" forKey:@"abc"] gtm_httpArgumentsString],
65                        @"abc=123",
66                        @"- simple one-pair dictionary should work");
67  NSDictionary* arguments = [NSDictionary dictionaryWithObjectsAndKeys:
68                             @"1+1!=3 & 2*6/3=4", @"complex",
69                                   @"specialkey", @"a+b",
70                                                  nil];
71  NSString* argumentString = [arguments gtm_httpArgumentsString];
72  // check for individual pieces since order is not guaranteed
73  NSString* component1 = @"a%2Bb=specialkey";
74  NSString* component2 = @"complex=1%2B1%21%3D3%20%26%202%2A6%2F3%3D4";
75  STAssertNotEquals([argumentString rangeOfString:component1].location, (NSUInteger)NSNotFound,
76                    @"- '%@' not found in '%@'", component1, argumentString);
77  STAssertNotEquals([argumentString rangeOfString:component2].location, (NSUInteger)NSNotFound,
78                    @"- '%@' not found in '%@'", component2, argumentString);
79  STAssertNotEquals([argumentString rangeOfString:@"&"].location, (NSUInteger)NSNotFound,
80                    @"- special characters should be escaped");
81  STAssertNotEquals([argumentString characterAtIndex:0], (unichar)'&',
82                    @"- there should be no & at the beginning of the string");
83  STAssertNotEquals([argumentString characterAtIndex:([argumentString length] - 1)], (unichar)'&',
84                    @"- there should be no & at the end of the string");
85}
86
87@end