/core/externals/update-engine/externals/google-toolbox-for-mac/UnitTesting/GTMUnitTestingBindingTest.m

  1//
  2//  GTMUnitTestingBindingTest.m
  3//
  4//  Copyright 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 "GTMUnitTestingTest.h"
 21#import "GTMNSObject+BindingUnitTesting.h"
 22
 23@interface GTMUnitTestingBindingTest : GTMTestCase {
 24  int expectedFailureCount_;
 25}
 26@end
 27
 28@interface GTMUnitTestingBindingBadClass : NSObject
 29@end
 30
 31@implementation GTMUnitTestingBindingTest
 32
 33// Iterates through all of our subviews testing the exposed bindings
 34- (void)doSubviewBindingTest:(NSView*)view {
 35  NSArray *subviews = [view subviews];
 36  NSView *subview;
 37  GTM_FOREACH_OBJECT(subview, subviews) {
 38    GTMTestExposedBindings(subview, @"testing %@", subview);
 39    [self doSubviewBindingTest:subview];
 40  }
 41}
 42
 43- (void)testBindings {
 44  // Get our window to work with and test it's bindings
 45  GTMUnitTestingTestController *testWindowController 
 46    = [[GTMUnitTestingTestController alloc] initWithWindowNibName:@"GTMUnitTestingTest"];
 47  NSWindow *window = [testWindowController window];
 48  GTMTestExposedBindings(window, @"Window failed binding test");
 49  [self doSubviewBindingTest:[window contentView]];
 50  [window close];
 51  [testWindowController release];
 52
 53  // Run a test against something with no bindings. 
 54  // We're expecting a failure here.
 55  expectedFailureCount_ = 1;
 56  GTMTestExposedBindings(@"foo", @"testing no bindings");
 57  STAssertEquals(expectedFailureCount_, 0, @"Didn't get expected failures testing bindings");
 58  
 59  // Run test against some with bad bindings.
 60  // We're expecting failures here.
 61  expectedFailureCount_ = 4;
 62  GTMUnitTestingBindingBadClass *bad = [[[GTMUnitTestingBindingBadClass alloc] init] autorelease];
 63  GTMTestExposedBindings(bad, @"testing bad bindings");
 64  STAssertEquals(expectedFailureCount_, 0, @"Didn't get expected failures testing bad bindings");
 65}
 66
 67- (void)failWithException:(NSException *)anException {
 68  if (expectedFailureCount_ > 0) {
 69    expectedFailureCount_ -= 1;
 70  } else {
 71    [super failWithException:anException];  // COV_NF_LINE - not expecting exception
 72  }
 73}
 74
 75@end
 76
 77// Forces several error cases in our binding tests to test them
 78@implementation GTMUnitTestingBindingBadClass
 79
 80NSString *const kGTMKeyWithNoClass = @"keyWithNoClass";
 81NSString *const kGTMKeyWithNoValue = @"keyWithNoValue";
 82NSString *const kGTMKeyWeCantSet = @"keyWeCantSet";
 83NSString *const kGTMKeyThatIsntEqual = @"keyThatIsntEqual";
 84
 85- (NSArray *)exposedBindings {
 86  return [NSArray arrayWithObjects:kGTMKeyWithNoClass, 
 87                                   kGTMKeyWithNoValue, 
 88                                   kGTMKeyWeCantSet, 
 89                                   kGTMKeyThatIsntEqual,
 90                                   nil];
 91}
 92
 93- (NSArray*)gtm_unitTestExposedBindingsTestValues:(NSString*)binding {
 94  GTMBindingUnitTestData *data 
 95    = [GTMBindingUnitTestData testWithIdentityValue:kGTMKeyThatIsntEqual];
 96  return [NSArray arrayWithObject:data];
 97}
 98
 99- (Class)valueClassForBinding:(NSString*)binding {
100  return [binding isEqualTo:kGTMKeyWithNoClass] ? nil : [NSString class];
101}
102
103- (id)valueForKey:(NSString*)binding {
104  if ([binding isEqualTo:kGTMKeyWithNoValue]) {
105    [NSException raise:NSUndefinedKeyException format:@""];
106  }
107  return @"foo";
108}
109
110- (void)setValue:(id)value forKey:(NSString*)binding {
111  if ([binding isEqualTo:kGTMKeyWeCantSet]) {
112    [NSException raise:NSUndefinedKeyException format:@""];
113  }
114}
115@end
116