supd/Tests/NSDate+SFAnalyticsTests.m

   1 //
   2 //  NSDate+SFAnalyticsTests.m
   3 //  KeychainAnalyticsTests
   4 //
   5
   6 #import <XCTest/XCTest.h>
   7
   8 #import "../Analytics/NSDate+SFAnalytics.h"
   9
  10 @interface NSDate_SFAnalyticsTests : XCTestCase
  11
  12 @end
  13
  14 @implementation NSDate_SFAnalyticsTests
  15
  16 - (void)testCurrentTimeSeconds
  17 {
  18     NSTimeInterval expectedTime = [[NSDate date] timeIntervalSince1970];
  19     NSTimeInterval actualTimeWithWiggle = [[NSDate date] timeIntervalSince1970];
  20     XCTAssertEqualWithAccuracy(actualTimeWithWiggle, expectedTime, 1, @"Expected to get roughly the same amount of seconds");
  21 }
  22
  23 - (void)testCurrentTimeSecondsWithRounding
  24 {
  25     NSTimeInterval factor = 3; // 3 seconds
  26
  27     // Round into the same bucket
  28     NSTimeInterval now = [[NSDate date] timeIntervalSince1970];
  29     NSTimeInterval expectedTime = now + factor;
  30     NSTimeInterval actualTimeWithWiggle = [[NSDate date] timeIntervalSince1970WithBucket:SFAnalyticsTimestampBucketSecond];
  31     XCTAssertEqualWithAccuracy(actualTimeWithWiggle, expectedTime, factor, @"Expected to get roughly the same rounded time within the rounding factor");
  32
  33     // Round into the next bucket
  34     now = [[NSDate date] timeIntervalSince1970];
  35     expectedTime = now + factor;
  36     sleep(factor);
  37     actualTimeWithWiggle = [[NSDate date] timeIntervalSince1970WithBucket:SFAnalyticsTimestampBucketSecond];
  38     XCTAssertEqualWithAccuracy(actualTimeWithWiggle, expectedTime, factor + 1, @"Expected to get roughly the same rounded time within the rounding factor");
  39 }
  40
  41 @end