summaryrefslogtreecommitdiff
path: root/platform/darwin/test/MGLOfflineStorageTests.m
blob: e44bd06e3dc96d5f534bd4ad01eb5b65e8389d9d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
#import <Mapbox/Mapbox.h>

#import <XCTest/XCTest.h>

@interface MGLOfflineStorageTests : XCTestCase

@end

@implementation MGLOfflineStorageTests

- (void)testSharedObject {
    XCTAssertEqual([MGLOfflineStorage sharedOfflineStorage], [MGLOfflineStorage sharedOfflineStorage], @"There should only be one shared offline storage object.");
}

// This test needs to come first so it can test the initial loading of packs.
- (void)testAAALoadPacks {
    [self keyValueObservingExpectationForObject:[MGLOfflineStorage sharedOfflineStorage] keyPath:@"packs" handler:^BOOL(id _Nonnull observedObject, NSDictionary * _Nonnull change) {
        NSKeyValueChange changeKind = [change[NSKeyValueChangeKindKey] unsignedIntegerValue];
        return changeKind = NSKeyValueChangeSetting;
    }];
    
    [self waitForExpectationsWithTimeout:1 handler:nil];
    
    XCTAssertNotNil([MGLOfflineStorage sharedOfflineStorage].packs, @"Shared offline storage object should have a non-nil collection of packs by this point.");
}

- (void)testAddPack {
    NSUInteger countOfPacks = [MGLOfflineStorage sharedOfflineStorage].packs.count;
    
    NSURL *styleURL = [MGLStyle lightStyleURLWithVersion:8];
    /// Somewhere near Grape Grove, Ohio, United States.
    MGLCoordinateBounds bounds = {
        { .latitude = 39.70358155855172, .longitude = -83.69506472545841 },
        { .latitude = 39.703818870225376, .longitude = -83.69420641857361 },
    };
    double zoomLevel = 20;
    MGLTilePyramidOfflineRegion *region = [[MGLTilePyramidOfflineRegion alloc] initWithStyleURL:styleURL bounds:bounds fromZoomLevel:zoomLevel toZoomLevel:zoomLevel];
    
    NSString *nameKey = @"Name";
    NSString *name = @"🍇 Grape Grove";
    
    NSData *context = [NSKeyedArchiver archivedDataWithRootObject:@{
        nameKey: name,
    }];
    
    __block MGLOfflinePack *pack;
    [self keyValueObservingExpectationForObject:[MGLOfflineStorage sharedOfflineStorage] keyPath:@"packs" handler:^BOOL(id _Nonnull observedObject, NSDictionary * _Nonnull change) {
        NSKeyValueChange changeKind = [change[NSKeyValueChangeKindKey] unsignedIntegerValue];
        NSIndexSet *indices = change[NSKeyValueChangeIndexesKey];
        return changeKind == NSKeyValueChangeInsertion && indices.count == 1;
    }];
    XCTestExpectation *additionCompletionHandlerExpectation = [self expectationWithDescription:@"add pack completion handler"];
    [[MGLOfflineStorage sharedOfflineStorage] addPackForRegion:region withContext:context completionHandler:^(MGLOfflinePack * _Nullable completionHandlerPack, NSError * _Nullable error) {
        XCTAssertNotNil(completionHandlerPack, @"Added pack should exist.");
        XCTAssertEqual(completionHandlerPack.state, MGLOfflinePackStateInactive, @"New pack should initially have inactive state.");
        pack = completionHandlerPack;
        [additionCompletionHandlerExpectation fulfill];
    }];
    [self waitForExpectationsWithTimeout:1 handler:nil];
    
    XCTAssertEqual([MGLOfflineStorage sharedOfflineStorage].packs.count, countOfPacks + 1, @"Added pack should have been added to the canonical collection of packs owned by the shared offline storage object. This assertion can fail if this test is run before -testAAALoadPacks.");
    
    XCTAssertEqual(pack, [MGLOfflineStorage sharedOfflineStorage].packs.lastObject, @"Pack should be appended to end of packs array.");
    
    XCTAssertEqualObjects(pack.region, region, @"Added pack’s region has changed.");
    
    NSDictionary *userInfo = [NSKeyedUnarchiver unarchiveObjectWithData:pack.context];
    XCTAssert([userInfo isKindOfClass:[NSDictionary class]], @"Context of offline pack isn’t a dictionary.");
    XCTAssert([userInfo[nameKey] isKindOfClass:[NSString class]], @"Name of offline pack isn’t a string.");
    XCTAssertEqualObjects(userInfo[nameKey], name, @"Name of offline pack has changed.");
    
    XCTAssertEqual(pack.state, MGLOfflinePackStateInactive, @"New pack should initially have inactive state.");
    
    [self keyValueObservingExpectationForObject:pack keyPath:@"state" handler:^BOOL(id _Nonnull observedObject, NSDictionary * _Nonnull change) {
        NSKeyValueChange changeKind = [change[NSKeyValueChangeKindKey] unsignedIntegerValue];
        MGLOfflinePackState state = [change[NSKeyValueChangeNewKey] integerValue];
        return changeKind == NSKeyValueChangeSetting && state == MGLOfflinePackStateInactive;
    }];
    [self expectationForNotification:MGLOfflinePackProgressChangedNotification object:pack handler:^BOOL(NSNotification * _Nonnull notification) {
        MGLOfflinePack *notificationPack = notification.object;
        XCTAssert([notificationPack isKindOfClass:[MGLOfflinePack class]], @"Object of notification should be an MGLOfflinePack.");
        
        NSDictionary *userInfo = notification.userInfo;
        XCTAssertNotNil(userInfo, @"Progress change notification should have a userInfo dictionary.");
        
        NSNumber *stateNumber = userInfo[MGLOfflinePackStateUserInfoKey];
        XCTAssert([stateNumber isKindOfClass:[NSNumber class]], @"Progress change notification’s state should be an NSNumber.");
        XCTAssertEqual(stateNumber.integerValue, pack.state, @"State in a progress change notification should match the pack’s state.");
        
        NSValue *progressValue = userInfo[MGLOfflinePackProgressUserInfoKey];
        XCTAssert([progressValue isKindOfClass:[NSValue class]], @"Progress change notification’s progress should be an NSValue.");
        XCTAssertEqualObjects(progressValue, [NSValue valueWithMGLOfflinePackProgress:pack.progress], @"Progress change notification’s progress should match pack’s progress.");
        
        return notificationPack == pack && pack.state == MGLOfflinePackStateInactive;
    }];
    [pack requestProgress];
    [self waitForExpectationsWithTimeout:1 handler:nil];
}

- (void)testBackupExclusion {
    NSURL *cacheDirectoryURL = [[NSFileManager defaultManager] URLForDirectory:NSApplicationSupportDirectory
                                                                      inDomain:NSUserDomainMask
                                                             appropriateForURL:nil
                                                                        create:NO
                                                                         error:nil];
    // Unit tests don't use the main bundle; use com.mapbox.ios.sdk instead.
    NSString *bundleIdentifier = [NSBundle bundleForClass:[MGLMapView class]].bundleIdentifier;
    cacheDirectoryURL = [cacheDirectoryURL URLByAppendingPathComponent:bundleIdentifier];
    cacheDirectoryURL = [cacheDirectoryURL URLByAppendingPathComponent:@".mapbox"];
    XCTAssertTrue([[NSFileManager defaultManager] fileExistsAtPath:cacheDirectoryURL.path], @"Cache subdirectory should exist.");

    NSURL *cacheURL = [cacheDirectoryURL URLByAppendingPathComponent:@"cache.db"];
    XCTAssertTrue([[NSFileManager defaultManager] fileExistsAtPath:cacheURL.path], @"Cache database should exist.");

    NSError *error = nil;
    NSNumber *exclusionFlag = nil;
    [cacheDirectoryURL getResourceValue:&exclusionFlag
                                 forKey:NSURLIsExcludedFromBackupKey
                                  error:&error];
    XCTAssertTrue(exclusionFlag && [exclusionFlag boolValue], @"Backup exclusion flag should be set for the directory containing the cache database.");
    XCTAssertNil(error, @"No errors should be returned when checking backup exclusion flag.");
}

- (void)testRemovePack {
    NSUInteger countOfPacks = [MGLOfflineStorage sharedOfflineStorage].packs.count;
    
    MGLOfflinePack *pack = [MGLOfflineStorage sharedOfflineStorage].packs.lastObject;
    XCTAssertNotNil(pack, @"Added pack should still exist.");
    
    [self keyValueObservingExpectationForObject:[MGLOfflineStorage sharedOfflineStorage] keyPath:@"packs" handler:^BOOL(id _Nonnull observedObject, NSDictionary * _Nonnull change) {
        NSKeyValueChange changeKind = [change[NSKeyValueChangeKindKey] unsignedIntegerValue];
        NSIndexSet *indices = change[NSKeyValueChangeIndexesKey];
        return changeKind = NSKeyValueChangeRemoval && indices.count == 1;
    }];
    XCTestExpectation *completionHandlerExpectation = [self expectationWithDescription:@"remove pack completion handler"];
    [[MGLOfflineStorage sharedOfflineStorage] removePack:pack withCompletionHandler:^(NSError * _Nullable error) {
        XCTAssertEqual(pack.state, MGLOfflinePackStateInvalid, @"Removed pack should be invalid in the completion handler.");
        [completionHandlerExpectation fulfill];
    }];
    [self waitForExpectationsWithTimeout:1 handler:nil];
    
    XCTAssertEqual(pack.state, MGLOfflinePackStateInvalid, @"Removed pack should have been invalidated synchronously.");
    
    XCTAssertEqual([MGLOfflineStorage sharedOfflineStorage].packs.count, countOfPacks - 1, @"Removed pack should have been removed from the canonical collection of packs owned by the shared offline storage object. This assertion can fail if this test is run before -testAAALoadPacks or -testAddPack.");
}

- (void)testCountOfBytesCompleted {
    XCTAssertGreaterThan([MGLOfflineStorage sharedOfflineStorage].countOfBytesCompleted, 0);
}

@end