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Merge pull request #142 from krze/updating-network-speed-tracker
Updating network speed tracker
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137 changes: 137 additions & 0 deletions
137
ExampleiOS/ExampleiOSTests/TMNetworkSpeedTrackerTests.m
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| // | ||
| // TMNetworkSpeedTrackerTests.m | ||
| // Tests | ||
| // | ||
| // Created by Ken Krzeminski on 12/19/17. | ||
| // Copyright © 2017 Tumblr. All rights reserved. | ||
| // | ||
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| #import <XCTest/XCTest.h> | ||
| #import <TMTumblrSDK/TMNetworkSpeedTracker.h> | ||
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| // Testable tracker for receiving multiple events | ||
| @interface TestableTMNetworkSpeedTracker : TMNetworkSpeedTracker | ||
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| @end | ||
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| @implementation TestableTMNetworkSpeedTracker | ||
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| + (NSMutableArray *)sharedArray { | ||
| static dispatch_once_t once; | ||
| static NSMutableArray *sharedInstance; | ||
| dispatch_once(&once, ^{ | ||
| sharedInstance = [[NSMutableArray alloc] init]; | ||
| }); | ||
| return sharedInstance; | ||
| } | ||
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| @end | ||
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| // Testable tracker for testing the state before 10 events are reached | ||
| @interface TestableEmptyTMNetworkSpeedTracker : TMNetworkSpeedTracker | ||
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| @end | ||
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| @implementation TestableEmptyTMNetworkSpeedTracker | ||
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| + (NSMutableArray *)sharedArray { | ||
| static dispatch_once_t once; | ||
| static NSMutableArray *sharedInstance; | ||
| dispatch_once(&once, ^{ | ||
| sharedInstance = [[NSMutableArray alloc] init]; | ||
| }); | ||
| return sharedInstance; | ||
| } | ||
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| @end | ||
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| @interface TMNetworkSpeedTrackerTests : XCTestCase | ||
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| @end | ||
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| // Test constants | ||
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| // Number of bytes transferred in a mock response | ||
| const short tinyPayload = 10; | ||
| const short oneKBPayload = 1024; | ||
| const short badStatePayload = 18750; | ||
| const int moderateStatePayload = 68750; | ||
| const int goodStatePayload = 68751; | ||
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| // Time interval for transfers | ||
| const float timeInterval = 1.0; | ||
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| @implementation TMNetworkSpeedTrackerTests | ||
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| - (void)testUnknownQualityState { | ||
| TMNetworkSpeedTracker *testEmptyTracker = [[TestableEmptyTMNetworkSpeedTracker alloc] init]; | ||
| NSDate* start = [NSDate date]; | ||
| NSDate* endDate = [NSDate dateWithTimeInterval:timeInterval sinceDate:start]; | ||
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| XCTAssertEqual([TestableEmptyTMNetworkSpeedTracker quality], TMNetworkSpeedQualityUnkown, | ||
| "Received a network quality other than 'unknown' with no tracked network speed rates."); | ||
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| for (int i = 0; i < 20; i++) { | ||
| [testEmptyTracker track:start endDate:endDate bytes:tinyPayload]; | ||
| } | ||
| XCTAssertEqual([TestableEmptyTMNetworkSpeedTracker quality], TMNetworkSpeedQualityUnkown, | ||
| "Quality was tracked when a series of requests smaller than the trackable payload size were received."); | ||
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| [testEmptyTracker track:start endDate:endDate bytes:oneKBPayload]; | ||
| XCTAssertEqual([TestableEmptyTMNetworkSpeedTracker quality], TMNetworkSpeedQualityUnkown, | ||
| "Received a network quality other than 'unknown' with only one tracked network speed rate."); | ||
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| // The tracker should only send back a state other than "Unknown" when it receives 10 requests. | ||
| for (int i = 0; i < 8; i++) { | ||
| [testEmptyTracker track:start endDate:endDate bytes:oneKBPayload]; | ||
| } | ||
| XCTAssertEqual([TestableEmptyTMNetworkSpeedTracker quality], TMNetworkSpeedQualityUnkown, | ||
| "After receiving at 9 requests that are 1 KB in size, the tracker sending back a quality other than 'Unknown'."); | ||
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| [testEmptyTracker track:start endDate:endDate bytes:oneKBPayload]; | ||
| XCTAssertNotEqual([TestableEmptyTMNetworkSpeedTracker quality], TMNetworkSpeedQualityUnkown, | ||
| "After receiving at 10 requests that are 1 KB in size, the tracker sending back an 'Unknown' network quality."); | ||
| } | ||
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| - (void)testBadQualityState { | ||
| TMNetworkSpeedTracker *testTracker = [[TestableTMNetworkSpeedTracker alloc] init]; | ||
| NSDate* start = [NSDate date]; | ||
| NSDate* endDate = [NSDate dateWithTimeInterval:timeInterval sinceDate:start]; | ||
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| for (int i = 0; i < 10; i++) { | ||
| [testTracker track:start endDate:endDate bytes:badStatePayload]; | ||
| } | ||
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| XCTAssertEqual([TestableTMNetworkSpeedTracker quality], TMNetworkSpeedQualityBad, | ||
| "150 kbps was not rated as 'Bad'."); | ||
| } | ||
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| - (void)testModerateQualityState { | ||
| TMNetworkSpeedTracker *testTracker = [[TestableTMNetworkSpeedTracker alloc] init]; | ||
| NSDate* start = [NSDate date]; | ||
| NSDate* endDate = [NSDate dateWithTimeInterval:timeInterval sinceDate:start]; | ||
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| for (int i = 0; i < 10; i++) { | ||
| [testTracker track:start endDate:endDate bytes:moderateStatePayload]; | ||
| } | ||
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| XCTAssertEqual([TestableTMNetworkSpeedTracker quality], TMNetworkSpeedQualityModerate, | ||
| "550 kbps was not rated as 'Moderate'."); | ||
| } | ||
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| - (void)testGoodQualityState { | ||
| TMNetworkSpeedTracker *testTracker = [[TestableTMNetworkSpeedTracker alloc] init]; | ||
| NSDate* start = [NSDate date]; | ||
| NSDate* endDate = [NSDate dateWithTimeInterval:timeInterval sinceDate:start]; | ||
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| for (int i = 0; i < 10; i++) { | ||
| [testTracker track:start endDate:endDate bytes:goodStatePayload]; | ||
| } | ||
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| XCTAssertEqual([TestableTMNetworkSpeedTracker quality], TMNetworkSpeedQualityGood, | ||
| "> 550 kbps was not rated as 'Good'."); | ||
| } | ||
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| @end |